Conviction: Speculative-to-Low (high-asymmetry, high-volatility)
Status: Researching — not held in any account, not currently in any watchlist (coverage gap)
2026-07-31 tape note: AOSL $31.74 (+10.02% vs $28.85), RSI 43.1 (warmed from 35.5). 7D +2.88% (turned positive from -17.55%), 30D -27.07% (moderated from -36.19%), 3M -26.32% (moderated from -27.98%). From the 52-week high, the gap is -41.59% (narrowed from -46.91%). Per the tape: trend "weak-down", regime "pullback", golden cross intact. No new fundamentals re-researched. Per the full-scan summaries (2026-07-31 close).
2026-08-08 tape note: AOSL $36.08 (+13.67% vs $31.74), RSI 52.7 (warmed from 43.1). 7D +13.67% (accelerated from +2.88%), 30D -3.45% (moderated from -27.07%), 3M -4.80% (moderated from -26.32%). From the 52-week high, the gap is -40.12% (narrowed from -41.59%). Per the tape: trend "weak-down", regime "pullback", golden cross intact. Alpha & Omega's Q2 landed 2026-08-05 with only a muted -1.3% reaction across the print per the desk's earnings-event record — that does not explain today's move; news not pulled for this move (this file's news feed is stale, fetched 2026-07-09). Per the full-scan summaries (2026-08-07 close).
2026-08-14 tape note: AOSL $30.77 (-14.72% vs $36.08), RSI 43 (cooled from 52.7). 7D -14.72% (turned negative from +13.67%), 30D -12.96% (deepened from -3.45%), 3M -20.84% (deepened from -4.80%). From the 52-week high, the gap is -43.65% (widened from -40.12%). Per the tape: trend "weak-down", regime "pullback", golden cross intact. No new fundamentals re-researched. Per the full-scan summaries (2026-08-14 close).
Editorial Note
AOSL at $45.17 RSI 52.6 is showing controlled consolidation after the extraordinary 3M run. The stock is nearly flat vs the May 29 read ($45.35, RSI 58.5) — only -$0.18 in price over 18 days, while RSI has ticked down slightly from 58.5 to 52.6. The 7D return of +11.94% shows a recent bounce; the 30D return of +17.2% confirms continued positive drift since the prior read. The big story is the 3M return of +112.87% — the AOSL AI power thesis continues to compound. The stock is +0.5% above SMA20 ($44.93), essentially right at the moving average — a neutral, controlled setup. From 52wk high, AOSL is -16.88%, suggesting the stock has not reclaimed the prior peak despite the massive 3M run. RSI 52.6 is solidly neutral — neither overbought nor oversold. This is the continuation of the "time-based consolidation" pattern noted at the May 29 refresh: price holding near prior highs while RSI cools, setting up for the next leg. The $46 breakout entry thesis from the prior read remains relevant.
TAPE-VS-THESIS [2026-07-11]: The "consolidation setting up the next leg" read did not play out. AOSL is now $37.56, RSI 44 — down -16.8% from this 06/16 read, back below both SMA20 ($42.87, -12.4%) and SMA50 ($42.97, -12.6%), at -30.88% from 52wk high (deepest drawdown in this profile's history, vs -16.88% here). Trend "weak-down," regime "pullback." The $46+ breakout never triggered — the stock broke down instead. 3M is still +37.13% (positive, but far off the +112.87% cited above as the parabolic leg rolls out of the window). Thesis not killed (Vera Rubin socket disclosure still pending), but "controlled consolidation" has become real technical damage.
TAPE-VS-THESIS [2026-07-17]: The drawdown has deepened further — AOSL $31.27, RSI 36.9, now -21.8% below SMA20 and -25.7% below SMA50, a new deepest drawdown at -42.45% from 52wk high (vs -30.88% on 07-11). 7D -16.75%, 30D -34.91%, 3M has flipped negative to -21.63% (from +37.13%) — the parabolic move has now fully rolled out of the trailing window. Golden cross vs SMA200 still intact (+8%). No fundamentals re-researched this cycle; the Vera Rubin socket disclosure remains the pending catalyst that would resolve this.
TAPE-VS-THESIS [2026-07-25, Friday 2026-07-24 close]: The free-fall has stabilized rather than deepened. AOSL $30.85, RSI 38 (up slightly from 36.9) — 7D is now only -1.34% (vs -16.75% on 07/17), and 30D has moderated to -26.51% (from -34.91%). Still below both SMA20 (-16.1%, narrowed from -21.8%) and SMA50 (-25.4%, roughly unchanged), but the pace of decline has slowed. 3M has deepened further to -30.6% (from -21.63%) as more of the parabolic spring run rolls out of the trailing window — that metric is a base-effect artifact, not new weakness. -37.78% from 52wk high (improved from -42.45%). Golden cross vs SMA200 intact (+6.1%). No fundamentals re-researched; Vera Rubin socket disclosure remains the pending catalyst.
TAPE-VS-THESIS [2026-07-28]: The stabilization broke — a fresh leg down. AOSL $28.85, RSI 35.5 (down from 38), -6.39% in a single day and -17.55% 7D (reversing the prior read's calm). 30D has deepened again to -36.19% (from -26.51%), and -46.91% from 52wk high is the deepest drawdown yet in this file's history (vs -37.78% prior). Price is now marginally BELOW SMA200 (-0.9%, vs +6.1% above on 07/25) for the first time since this thesis was opened, though the golden cross (SMA50 > SMA200) itself remains structurally intact per the underlying data. 3M -27.98% (roughly flat vs -30.6% as the base-effect window continues to churn). Regime flag has moved to "collapse." No fundamentals re-researched; Vera Rubin socket disclosure remains the pending catalyst and the only thing that resolves this technical picture. Per the full-scan summaries (2026-07-28 close).
The Story Right Now
AOSL is now at $45.17, RSI 52.6 — down slightly from the May 29 read ($45.35, RSI 58.5) but up +11.94% in 7 days, +17.2% in 30 days, and a remarkable +112.87% in 3M. The stock is +0.5% above SMA20 ($44.93) — essentially at the moving average, a neutral technical setup. The -16.88% from 52wk high suggests the stock has been unable to reclaim its prior peak, which is notable given the strong 3M momentum. RSI 52.6 is in neutral territory — the overbought blow-off at RSI 78.3 (May 1 read) has fully resolved.
The entry zone of $40-42 cited in the prior write-up was not reached — the pullback remained shallow, with price finding support above $44 and recovering. The $46+ breakout entry thesis remains the cleaner continuation setup. At $45.17 with RSI 52.6, a move through $46 with volume and RSI staying below 70 would be the continuation signal.
The fundamentals picture has not changed materially since the May 29 read: Power IC revenue mix-shift is the thesis driver, the GB300 DrMOS socket (~70% share per Ming-Chi Kuo) is the catalyst, and Vera Rubin socket disclosure remains the binary event. The 3M return of +112.87% reflects market pricing of the AI mix-shift ahead of Q3 FY2026 print confirmation.
Quick Snapshot
| Signal |
Reading |
| Overall |
🟡 Weak-down — RSI 43.1, -41.6% from 52wk high |
| Moat |
Narrow (vertical integration unusual for size; OpenVReg first-mover; standards-driven socket share is reversible) |
| Key insight |
World-first OpenVReg + GB300 ~70% DrMOS share emerged as a $900M company beat MPWR ($85B) into a NVIDIA standard. Reference position over scale. |
Action Matrix
| Action |
Level |
Why |
| Current |
RSI 43.1, weak-down |
pullback, -41.6% from 52wk high |
| Entry Zone |
$30.00 - $34.50 |
Price is now inside this zone |
| Stop-Loss |
$34.50 (-24%) |
Close below SMA20 + sub-50 RSI = thesis re-evaluation. |
| Profit Target |
$56 (+24%) |
Mid-2021 cycle resistance; 80% of the $70 ATH from March 2022. |
| Conditional add |
Q3 FY2026 print + Vera Rubin socket disclosure |
Only if AI mix > 45% of revenue and Vera Rubin socket retained. |
Price Data
| Metric |
Value |
| Price |
$30.77 |
| RSI (14) |
43 |
| SMA20 |
$32.52 (-5.4%) |
| SMA50 |
$37.81 (-18.6%) |
| SMA200 |
$29.29 (+5.1%) |
| Trend |
weak-down |
| Golden cross |
Yes |
| Regime |
pullback |
| 7D |
-14.72% |
| 30D |
-12.96% |
| 3M |
-20.84% |
| From 52wk High |
-43.65% |
Company Overview
One-Liner
Vertically integrated analog/discrete power semiconductor maker — MOSFETs, GaN/SiC FETs, multi-phase controllers, DrMOS, PMICs — that punched above its $1.3B market cap to win co-leader status on NVIDIA GB300 by being first into the OpenVReg standard.
Business Model
| Question |
Answer |
| What they sell |
Power MOSFETs (silicon + SiC + GaN), IGBTs, multi-phase PWM controllers, DrMOS, Power ICs, intelligent power modules (IPM) |
| Who pays |
Server/AI OEMs (Dell, NVIDIA partners), PC OEMs, smartphones, EVs, industrial motor controls, TVs/appliances, battery packs |
| Revenue model |
Component sales — short-cycle, design-win-based; some long-cycle on automotive/industrial qualification |
| How sticky |
Medium — design-in friction is real (qualifying a power IC into a GPU socket takes months), but no contractual lock-in like SaaS |
Key Segments (FY2025)
| Segment |
Revenue % |
Growth |
Notes |
| Computing (PC + AI server) |
~55% |
Mixed (PC down, AI up sharply) |
The mix-shift story — Power IC +37% YoY, +5.9% sequential to record high in Q1 FY26 |
| Consumer (TVs, appliances) |
~20% |
Soft |
Channel inventory pressure, the headwind in current numbers |
| Communications (5G, smartphone) |
~15% |
Stable |
Less narrative-relevant |
| Power Supply & Industrial |
~10% |
Soft |
Fab utilization drag |
Geographic Mix
| Region |
Revenue % |
Notes |
| China / Hong Kong |
~50%+ |
Headquartered Sunnyvale + Hong Kong; Shanghai JV (Chongqing fab); meaningful US-China supply-chain exposure |
| United States |
~25% |
NVIDIA, Dell, Apple, server OEMs |
| Korea / Taiwan |
~15% |
Samsung, TSMC ecosystem |
| Rest of world |
~10% |
EU industrial/automotive |
Company Facts
- Market Cap: ~$1.3B ~$0.95B (correction 2026-08-03: 29.8M filed shares × the $31.74 price this file's own tape note carries — the ~$1.3B reconciled only at the ~$45 price from this file's original creation and was never refreshed as the stock fell)
- Employees: 2,428
- Founded: 2000; IPO'd 2010 on NASDAQ
- Headquartered: Sunnyvale, CA + Hong Kong (dual hub)
- Manufacturing: Oregon Fab (US, ~6") + Chongqing JV (China, 8" + 12" — 2024 deconsolidation, retained minority stake)
- Last 10-K filed: 2025-08-28
- Exchange: NASDAQ (XNAS)
Competitive Analysis
Industry Position
| Question |
Answer |
| Market share |
~2-3% of broad power semi market; ~70% of GB300 NVL72 DrMOS per Ming-Chi Kuo (the AI-relevant socket) |
| Market size (TAM) |
Power semis: ~$50B; AI power delivery (the carve-out): $5-15B and growing >25% CAGR |
| Position |
Niche specialist. Not a leader in scale, but co-leader on a single high-value socket (GB300). Reference-position holder under OpenVReg. |
| Key competitors |
MPWR (the giant), Infineon (IFNNY/IFX), Renesas (RNECY), Texas Instruments (TXN), Analog Devices (ADI), ON Semiconductor (ON), STMicroelectronics (STM), Power Integrations (POWI), Vicor (VICR), Navitas (NVTS) |
Competitor Map (the NuttyCLD VRM/PMIC cohort)
| Competitor |
Mkt Cap |
Threat |
Read |
| Monolithic Power Systems (MPWR) |
~$85B |
🔴 The incumbent |
Lost share on Blackwell, recovered ~50% B300 HGX (KeyBanc Sep 2025), projected ~70% Vera Rubin VRM share at +60% ASP. AOSL's structural opponent on every next-gen socket. |
| Infineon (IFNNY/IFX) |
~€50B |
🔴 The architecture disruptor |
Won early Blackwell with VPD (Vertical Power Delivery) + Delta Electronics. ~60-70% of GB200 PMIC. AOSL's threat in the vertical topology direction. |
| Vicor (VICR) |
~$13B |
🟡 Adjacent |
Factorized power architecture pioneer; finally inflecting (Q4 record backlog $176.9M, $200-400/XPU). Different topology than AOSL's multi-phase. |
| Power Integrations (POWI) |
~$4B |
🟡 IP rentier |
1250V/1700V PowiGaN handles 800V direct. Wins via topology IP, not socket. Different lane. |
| Navitas (NVTS) |
~$3B |
🟡 GaN focus |
800V→6V GaNFast; pushing radical direct conversion. AOSL's GaN/SiC integration competes here. |
| Renesas (RNECY) |
~$45B |
🟡 Lateral |
Picked up MPS Blackwell share; broader portfolio threat than direct socket fight. |
| Texas Instruments (TXN) |
~$170B |
🟢 Lateral |
800V→6V→sub-1V reference architecture; broad portfolio approach. Not directly fighting AOSL on AI sockets. |
| Analog Devices (ADI) |
~$120B |
🟢 Adjacent |
Maxim acquisition kept relevance; broader analog play. |
| ON Semiconductor (ON) |
~$50B |
🟢 Lateral |
Auto SiC focus, not GPU power. |
| STMicroelectronics (STM) |
~$45B |
🟢 Lateral |
Auto + industrial SiC; less GPU exposure. |
Competitive Moat
| Moat Type |
Present? |
Evidence |
| Network effects |
🔴 |
Component sales — no network effect |
| Switching costs |
🟢 (modest) |
Once a power IC is qualified into a GPU SKU, swap costs are real (months of redesign + validation) — but the qualification is per-generation, so socket can flip on the next GPU |
| Cost advantages |
🟡 |
Vertical integration (Discrete + IC + packaging in-house) is unusual at $1.3B scale; potentially structural cost edge but small absolute dollars |
| Intangible assets |
🟢 |
OpenVReg first-mover IP, NVIDIA reference design relationship, 14-vendor 800VDC partner status — the position is the asset |
| Efficient scale |
🔴 |
Sub-scale vs. MPWR/IFX/TXN; could be acquired |
Moat Assessment
Moat Width: Narrow
Moat Trend: Widening (on AI sockets) — but fragile (every GPU generation re-opens the socket)
Summary:
AOSL's moat is the OpenVReg reference-position relationship and unusual vertical integration for a $1.3B company. That's narrow but real. The vulnerability is that NVIDIA explicitly publishes a 14-vendor 800VDC partner list precisely because it doesn't want to depend on AOSL or anyone else. Standards diversification opens the door (let AOSL in) but also caps the moat (any of the other 13 can take share next gen). The asymmetry comes from being a $1.3B company holding a socket that an $85B company also wants — even modest revenue capture at NVIDIA scale moves the needle on AOSL's P&L the way it can't move MPWR's.
Management Assessment
Leadership
| Role |
Name |
Since |
Background |
Notes |
| Executive Chairman |
Dr. Mike F. Chang |
2000 (founder) |
Founder; PhD; semiconductor industry veteran (40+ years) |
Stepped from CEO to Exec Chairman March 1, 2023. 10% owner. Bought 33,727 shares March 9, 2026 (insider buy on top of breakout). |
| CEO |
Stephen Chang |
March 2023 |
Internal promotion; long-tenure at AOS |
Operating leadership during the AI pivot |
| CFO |
Yifan Liang |
(long-tenure) |
Veteran AOS finance |
Steered the 2024 Chongqing JV deconsolidation |
Founder Involvement
| Question |
Answer |
| Founder-led? |
Yes — founder is Executive Chairman + 10% owner |
| Founder ownership |
~10% (Mike Chang) |
| Skin in the game |
Strong. March 2026 buy of $1.5M+ at ~$45 into the breakout, not before — confirms conviction at current levels |
Capital Allocation
| Metric |
Track Record |
| M&A discipline |
Limited — small acquisitions, mostly organic |
| Buyback timing |
Modest buybacks; not a primary lever |
| R&D investment |
High for size — ~$25M/quarter on $160-180M rev = ~14-15% of sales. That's how a $1.3B company built SiC + GaN + controllers + DrMOS in-house. |
| Debt management |
Conservative — zero long-term debt, $818M total equity vs $183M total liabilities |
Red Flags
- Excessive exec compensation — not flagged; comp reasonable for size
- High turnover in key roles — no, founder still active, CEO transition handled cleanly
- Related party transactions — yes, the historical Chongqing JV ownership structure has had related-party complexity (now resolved by 2024 deconsolidation, but worth flagging on China exposure)
- China geopolitical exposure — the SEC 10-K explicitly lists "Geopolitical and economic conflicts between United States and China may adversely affect our business" as a risk factor. Real, not hypothetical.
Financials
Key Metrics (TTM ending Dec 2025)
| Metric |
Current (TTM) |
1Y Ago |
3Y Ago |
Trend |
| Revenue |
~$686M |
~$673M |
~$700M+ (FY2022 peak) |
➡️ Flat; mix-shifting |
| Revenue Growth YoY |
-6.3% (latest quarter; the TTM computes +2.9%) |
-2% |
+35% (cycle peak) |
📉 |
| Gross Margin |
~22.5% |
~25% |
~30% (cycle peak) |
📉 Cyclical compression |
| Operating Margin |
~-6% |
~-3% |
+10% (peak) |
📉 In losses |
| FCF Margin |
-9.6% |
mixed |
+5% (peak) |
📉 |
| Net Debt/EBITDA |
n/a (no debt) |
n/a |
n/a |
🟢 Clean balance sheet |
Quality Checks
| Check |
Status |
Notes |
| FCF positive? |
🔴 |
-$15.6M TTM; capex matching opex |
| Profitable? |
🔴 |
-$13.3M last quarter, -$77M FY25 Q4 (one-time JV deconsolidation hit) |
| Debt manageable? |
🟢 |
Zero long-term debt Minimal long-term debt — $14.9M against $819M equity per the FY2025 10-K (corrected 2026-08-03; the subsequent 10-Qs simply stop reporting the line) — rare for a small-cap semis maker |
| Cash runway |
5+ years |
$818M equity, modest cash burn — can fund AI mix-shift transition |
Revenue Quality
| Factor |
Assessment |
| Recurring % |
Low (component sales) |
| Customer concentration |
NVIDIA ecosystem now meaningful; pre-AI was diversified PC/consumer |
| Contract length |
Short-cycle |
| Power IC mix shift |
Power IC = nearly 40% of product revenue, +37.3% YoY — the leading indicator that matters |
Leading Indicators
| Indicator |
Value |
Signal |
| Revenue Acceleration |
-14.5% |
🔴 Bearish |
| YoY Growth |
-6.3% |
🔴 Bearish |
| Earnings Beat Rate |
75% |
🟢 Bullish |
| Insider Trading |
-$4.8M net (1 buy / 21 sells), but founder bought $1.5M+ March 2026 |
🟡 Mixed but trending positive on the founder buy |
| Composite |
-0.1 |
🟡 Neutral |
Valuation
Current Multiples (approximate, June 2026)
| Metric |
Current |
5Y Avg |
Industry Avg (Power Semi) |
| P/E (TTM) |
n/a (negative) |
~22 |
~25 |
| P/S (TTM) |
~~~1.9x~~ ~1.4x (corrected 2026-08-03 at the file's own $31.74 price on $686M TTM revenue; 1.9x was the stale creation-price multiple) |
~1.5x |
~5x (MPWR ~16x, IFX ~3x, ON ~4x) |
| EV/Revenue |
~1.5x |
~1.2x |
~5x |
| P/Book |
~1.6x |
~1.3x |
~4x |
Historical Range
| Metric |
Current |
5Y High |
5Y Low |
% of Range |
| P/S |
~1.9x |
~2.5x (2022) |
~0.7x (2025) |
75% |
| Stock Price |
$45.17 |
$69.99 (Mar 2022) |
$14.50 (2024 trough) |
~55% of all-time-high band |
Fair Value Estimate
| Method |
Fair Value |
Upside/Downside |
| Comps (peer P/S median 4x) |
$90 |
+99% (if market re-rates AOSL to peer multiple — but only if AI mix sustains) |
| Historical avg P/S 1.5x |
$34 |
-25% |
| Mid-cycle DCF (assume Power IC 50% of mix in 2 years, 25% GM, 5% op margin) |
$48 |
+6% |
My Fair Value: $45-50 base case (modest upside from here on inflection, with binary tails to $90+ if Vera Rubin socket holds or $25-30 if it doesn't and AI mix stalls)
Bull Case
Why This Could Work (5 Reasons)
Reference position over scale — the OpenVReg first-mover claim is durable
- Evidence: World-first OVR4-22 (Dec 2024), industry-first 16-phase OpenVReg16 (Jan 2025), official 14-vendor 800VDC partner (Oct 2025), Ming-Chi Kuo confirmed primary GB300 DrMOS supplier at ~70% share
- Implication: Standards-defined sockets reward the company that helped define them. AOSL has the relationship-level moat MPWR doesn't on this specific generation.
NVIDIA wants multi-source — the 14-vendor 800VDC list is permanent policy, not bridge solution
- Evidence: NVIDIA explicitly publishes the partner list to advertise non-dependence on any single vendor
- Implication: AOSL's seat at the table doesn't go away in Vera Rubin or Feynman, even if MPWR retakes lead share. The socket gets fractioned across vendors, not concentrated. AOSL's ~$1.3B-cap base means even 10% share of a $5-10B AI power TAM is transformative.
Vertical integration is genuine moat at this size
- Evidence: SiC MOSFETs + GaN FETs + multi-phase controllers + DrMOS + IPMs all under one roof at a ~$1.3B company. R&D ~14-15% of sales. Owns Oregon fab.
- Implication: When NVIDIA needs a quick custom design at the standard, AOSL can spin it across the full power stack in-house. Most competitors at this scale source one or two of those layers externally.
Power IC mix shift is the inflection — already at 40% of product revenue
- Evidence: Power IC revenue +37.3% YoY in Q1 FY2026, record quarterly high, ~40% of product mix vs ~25% pre-AI
- Implication: Mix-shift compounds: Power IC carries higher margins than discrete MOSFETs. Get to 50%+ Power IC and gross margins inflect from 22% toward 28-30% — that's a 50-100% earnings expansion at flat revenue.
Founder buy at the breakout is the strongest signal in the table
- Evidence: Mike Chang (Exec Chairman, 10% owner) bought 33,727 shares on March 9, 2026 — AT the breakout, not before
- Implication: Insiders typically sell the breakout. A founder buying into RSI 70 with $1.5M+ of his own money says "I think we're going higher from here, even at this level." That's the highest-quality insider signal in semis right now.
Upside Scenario
| If This Happens |
Stock Could |
| Q3 FY2026 print confirms AI mix > 45%, Vera Rubin socket retained |
$56-65 (+24-44%) |
| NVIDIA Feynman 800VDC win + GaN ramp |
$70-90 (+55-99%) |
| Acquired by MPWR / ON / IFX at strategic premium |
$60-75 (+33-66%) |
Bear Case
What Could Go Wrong (5 Risks)
MPWR retakes share in Vera Rubin — the 70% projected MPWR socket share leaves little room for AOSL
- How it plays out: KeyBanc + Morgan Stanley sell-side already model MPWR ~70% Vera Rubin VRM at +60% ASP. If that's right, AOSL's GB300 share doesn't transfer. Reference position evaporates next generation.
- Probability: Medium-high — this is the consensus view among the analysts who matter.
Standards diversification is a ceiling, not a floor
- How it plays out: The same NVIDIA policy that opened the door for AOSL on GB300 means AOSL has 13 other approved competitors. Pricing power compresses; AOSL becomes a commodity supplier behind the leader.
- Probability: Medium — happens slowly across multiple generations.
China supply-chain exposure becomes acute
- How it plays out: ~50%+ revenue exposure to China + Chongqing JV history + escalating US-China semi restrictions. SEC 10-K explicitly flags this. A new Section 301 / chip export rule that targets China-fabbed power semis hits AOSL specifically.
- Probability: Medium — depends on policy direction; not zero.
Acquired before getting to scale — could be the bear case dressed as a bull case
- How it plays out: A ~$1.3B company with a hot AI socket gets bought at $60 by ON or Renesas before the multi-quarter inflection plays out. Shareholders win short-term but lose the multi-bagger optionality.
- Probability: Medium — the math is plausible at strategic premiums of 30-50%.
PC/consumer segment drag persists — current numbers don't support the multiple
- How it plays out: Q2 FY2026 guide of $160M (-12% sequential) shows the non-AI book is still soft. If AI ramp doesn't outpace consumer/PC decline through 2026, revenue stays flat YoY and the parabolic move retraces hard.
- Probability: Medium-high — leading indicators (revenue accel -14.5%, YoY -6.3%) say this is happening NOW.
Thesis Killers
- Vera Rubin socket disclosure (Q3-Q4 FY2026 calls) confirms MPWR took >65% share with AOSL <10%
- Q3 FY2026 prints below $155M (vs $160M guide) AND Power IC growth decelerates below +20% YoY
- Loss of OpenVReg-related design wins at Quantum-X / Spectrum-X / Feynman platforms
- US-China semiconductor escalation that specifically targets China-fabbed power components
Downside Scenario
| If This Happens |
Stock Could |
| MPWR confirms 70% Vera Rubin share, AOSL share <10% |
$25-30 (-45 to -34%) |
| Q2 FY2026 misses $160M guide |
$32-36 (-29 to -21%) |
| China export-control event |
$20-25 (-56 to -45%) |
Market-Moving News
Historical (What Moved This Stock Before)
| Date |
Event |
Impact |
Market Reaction |
Lesson |
| 2010 |
IPO (NASDAQ:AOSL) |
New listing |
$19 IPO; settled around $15 |
Founded 2000, IPO'd to fund Oregon fab |
| 2018-2019 |
US-China trade war Round 1 |
-40% peak-to-trough |
Justified |
Headline-driven; recovered within 18 months |
| 2020-2021 |
COVID PC/consumer boom |
+400% from $10 → $50+ |
Cycle |
Power semi cycle peaked early 2022 |
| Mar 2022 |
All-time high $69.99 |
Cycle blow-off |
Front-ran the 2022-2024 semi correction |
Cyclical name, not secular before AI |
| 2022-2024 |
PC/consumer/PMIC channel correction |
-78% drawdown ($69 → $14.50) |
Justified |
Reminder that AOSL's base business is cyclical |
| Nov 2024 → Jan 2025 |
Cumulative OpenVReg wins (OVR4-22 + OpenVReg16) |
+30% but consensus didn't notice |
Underreaction |
The deep-research community priced this 6-12 months before the broad market |
| Oct 2025 |
NVIDIA 14-vendor 800VDC partner list |
Modest pop |
Underreaction |
Took until Q1 2026 for sell-side to put it together |
| Dec 2025-Apr 2026 |
Ming-Chi Kuo "primary GB300 DrMOS at ~70%" |
+95% in 30 days |
Front-running Q1 FY2026 print + Vera Rubin reveal |
The market re-rated when a tier-1 analyst stamped the consensus |
Recent News
| Date |
Headline |
Source |
Impact |
Relevance |
| Mar 11, 2026 |
APEC 2026 — AI Core Power, AI Factory, Industrial Power solutions showcased |
BusinessWire |
🟢 |
First public unveiling of post-GB300 roadmap including 800VDC ecosystem |
| Mar 9, 2026 |
Mike Chang (Exec Chairman) buys 33,727 shares |
SEC Form 4 |
🟢 |
Insider buy at the breakout — strongest signal |
| Q1 FY2026 (Sep 30, 2025) earnings |
Rev $182.5M, Power IC +37.3% YoY, NonGAAP EPS $0.13, Q2 guide $160M |
AOSL IR |
🟢 (mix) / 🟡 (guide) |
Power IC inflection real; near-term consumer drag continues |
| Oct 2025 |
Included on NVIDIA 14-vendor 800VDC official partner list |
NVIDIA blog |
🟢 |
The "permanence" signal — partner status is multi-generation |
| Aug 28, 2025 |
10-K filed |
SEC |
🟡 |
Risk factors flag China exposure, PC market decline, JV operations |
| Jan 2025 |
World-first OpenVReg16 16-phase production controller |
AOSL IR |
🟢 |
Industry first — second OpenVReg lead release |
| Dec 2024 |
World-first OVR4-22 PWM controller for NVIDIA Blackwell |
AOSL IR |
🟢 |
The original breakthrough that started the AI rerating |
News Patterns
Pre-AI, AOSL was a pure semis-cycle name — moves with PC/consumer demand. The OpenVReg sequence is the structural story that decoupled it from the PC cycle. Watch for: (1) every NVIDIA architecture reveal with named partners, (2) Ming-Chi Kuo / supply-chain analyst notes, (3) quarterly Power IC growth disclosures. The market historically underreacts to the structural news (took 6+ months for the OVR4-22 win to price in) and overreacts to PC/consumer slowdowns. That's the pattern.
| Symbol |
Name |
Relationship |
30D |
Status |
Notes |
| SOXX |
iShares Semiconductor ETF |
Broad exposure (likely <0.5% weight) |
— |
🟢 |
Small weight given size |
| SMH |
VanEck Semiconductor ETF |
Likely top-50 not top-25 |
— |
🟢 |
|
| PSI |
Invesco Dynamic Semiconductors |
Mid-cap weighted; AOSL likely meaningful weight |
n/a |
🟡 |
Better small-cap exposure vehicle |
| XSD |
SPDR S&P Semiconductor (equal-weight) |
Equal-weight = AOSL gets full slot |
n/a |
🟢 |
Best ETF expression of AOSL exposure |
| FTXL |
First Trust Nasdaq Semiconductor |
Mid/small cap focus |
n/a |
🟡 |
Modest weight |
Sector Context
The whole VRM/PMIC cohort is moving (MPWR, VICR, POWI, NVTS, ON all RSI 68+). AOSL is the most parabolic of the group on a percentage basis because it had the smallest float and the biggest positive structural surprise. This is sector-led plus stock-specific. Distinguishing the two: if SMH cools 10%, AOSL likely drops 20-25%; if AOSL keeps the GB300 socket through Vera Rubin, it can decouple to the upside even on a sector pullback.
Cross-References (Where This Appears in Our System)
| Location |
File |
Context |
| Perspective |
The May 1 ai-power-delivery perspective |
Named explicitly; "highest asymmetry pick" framing |
| Article (capture) |
inputs/articles/2026-04-19-nuttycld-ai-power-crisis-part-3-last-few-centimeters.md |
Scene 2 — "AOSL's GB300 surprise — when reference position beats scale" |
| Article (capture) |
inputs/articles/2026-04-28-nuttycld-economics-of-the-last-1cm.md |
Five-companies metaphor — AOSL = "first into the newly standardized lane" |
| Market Brief |
The May 1 full-scan market brief |
Named in coverage-gap section + AI Power Delivery perspective announcement |
| Watchlists |
(NONE — coverage gap) |
Should be added to a new vrm-pmic watchlist alongside MPWR, VICR, POWI, NVTS, IFNNY, RNECY |
| Holdings |
NOT HELD |
Not in any paper or real account |
| Targets |
New entry being added |
This deep-dive triggers the targets log |
| Ticker |
Why Related |
Suggested Placement |
Priority |
Notes |
| MPWR |
The incumbent — the structural opponent in every next-gen socket |
vrm-pmic (NEW), ai-power |
🟢 |
Already in deep-dive queue per market brief |
| VICR |
VPD philosophy origin; backlog inflection |
vrm-pmic (NEW) |
🟢 |
Already in deep-dive queue |
| IFNNY (IFX) |
Vertical Power Delivery early Blackwell winner |
vrm-pmic (NEW), ai-power |
🟢 |
Deep-dive queued |
| POWI |
1250V/1700V GaN direct conversion path |
vrm-pmic (NEW) |
🟢 |
Deep-dive queued |
| NVTS |
GaN-focused 800V→6V; competes on AOSL's GaN angle |
vrm-pmic (NEW), ai-power |
🟢 |
Deep-dive queued |
| BESI |
Hybrid bonding cross-thesis convergence |
supply-chain-traces (already in) |
🟢 |
Deep-dive queued |
| ON |
Auto SiC scale leader — comparable but lateral |
vrm-pmic (NEW), semis |
🟡 |
Already RSI 87, may be late |
| STM |
Auto + industrial SiC; less GPU exposure |
vrm-pmic (NEW), semis |
🟡 |
|
| RNECY (Renesas) |
Picked up MPS Blackwell share |
vrm-pmic (NEW) |
🟡 |
OpenVReg vendor |
| EPC |
Pure-play GaN; on NVIDIA 800VDC partner list |
vrm-pmic (NEW) |
🟡 |
Ultra-small cap, speculative |
| 2308.TW (Delta) |
System anchor; passed Foxconn Jan 2026 |
International note |
🟢 |
Not directly tradeable on US markets via common ETF |
| MRAAY (Murata) |
MLCC bottleneck — 30K MLCCs per GB300 |
ai-power (consider) |
🟢 |
Coverage gap noted in perspective |
Catalysts & Timing
Upcoming Catalysts
| Date |
Event |
Impact |
Watch For |
| Early-to-mid May 2026 |
Q3 FY2026 earnings (March 2026 quarter) |
🟢/🔴 |
Power IC growth %, AI mix %, FY26 Q4 guide. Need Power IC > +30% YoY and guide > $170M to confirm inflection |
| Q3 2026 (calendar) |
NVIDIA Vera Rubin platform GA + supply-chain partner disclosures |
🟢/🔴 binary |
AOSL VRM/DrMOS socket-share disclosure. THE catalyst. |
| Q4 2026 |
NVIDIA GTC 2026 / 800VDC ecosystem updates |
🟢 |
Multi-vendor partner reaffirmation |
| 2H 2026-2027 |
Feynman roadmap signaling |
🟢/🔴 |
Whether AOSL gets in early on the next architecture |
Key Dates
| Event |
Frequency |
Next Date |
| Earnings |
Quarterly |
~Early May 2026 (Q3 FY2026) |
| Investor presentations |
Conferences |
APEC (March), Hot Chips (Aug), CES (Jan) |
| Fiscal year-end |
Annual |
June 30 |
Entry Strategy
Position Sizing
| Conviction |
Allocation |
| Speculative |
0.5-1% |
| Low |
1-2% |
| Medium |
3-4% |
| High |
5%+ |
My conviction: Speculative-to-Low — RSI 52.6 neutral; near SMA20; 3M +112.87% still compelling
Target allocation: 0.5-1% on $40-42 SMA20 test or $46+ breakout with RSI < 70; 1-2% on Q3 print confirmation
Entry Approach
| Strategy |
Details |
| Entry zone |
$40 - $42 (SMA20 area) |
| Alternative entry |
$46+ breakout with volume and RSI < 70 |
| Starter position |
25% of target on first re-test of $42 with RSI < 55 |
| Add on |
50% on next pullback to $40 with confirmed Power IC growth in next print |
| Full position at |
After Q3 FY2026 print confirms AI mix and Vera Rubin socket signal |
Technical Levels
| Level |
Price |
Notes |
| Resistance |
$46 |
52-week / 30D high |
| Resistance 2 |
$50 |
Round number + measured-move target |
| Support 1 |
$40-$42 |
SMA20 zone — entry target |
| Support 2 |
$36-$38 |
Mid-April consolidation shelf |
| 52-week low |
$17.34 |
Nov 17 2025 |
| All-time high |
$69.99 |
Mar 28 2022 (cycle peak) |
Sources
| Type |
Link |
Notes |
| Investor Relations |
https://investor.aosmd.com/ |
Earnings, press releases |
| SEC Filings |
https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001387467 |
10-K, 10-Q, Form 4 |
| Q1 FY26 Transcript |
Seeking Alpha — Q1 FY2026 transcript |
Power IC mix, Q2 guide |
| Ming-Chi Kuo analysis |
Medium @mingchikuo |
"Primary GB300 DrMOS supplier ~70% share" framing |
| Deep-dive cache |
2026-05-02 |
Full data file |
| OpenVReg press releases |
AOSL IR Dec 2024, Jan 2025 |
OVR4-22 + OpenVReg16 first-mover wins |
| NVIDIA 800VDC partner blog |
NVIDIA Tech Blog Jan 2026 / Oct 2025 |
14-vendor list confirmation |
Research Log
| Date |
Update |
| 2026-05-01 |
Created deep dive. AOSL surfaced via NuttyCLD AI Power Crisis series (Parts 3 + Economics of Last 1cm); not previously held, not in any watchlist — pure coverage gap. Editorial: "$900M-cap David that beat MPWR to GB300 by being first to OpenVReg." Conviction: Speculative-to-Low at RSI 78; pullback entry $34-37. |
| 2026-05-29 |
AOSL $45.35, RSI 58.5, strong-up; +4.42% in 30D vs +95.7% on May 1. RSI reset from 78 overbought to 58.5 — more actionable. Price $34-37 entry never reached; revised entry to $40-42 SMA20 zone or $46+ breakout. 3M return +110.15%. No new fundamentals re-researched. |
| 2026-06-16 |
AOSL $45.17, RSI 52.6, near SMA20; +17.2% in 30D vs +4.42% on May 29. 7D +11.94% bounce confirms buyers re-emerging at SMA20. RSI continued to cool from 58.5 → 52.6 while price held — time-based consolidation intact. 3M +112.87%. -16.88% from 52wk high suggests prior peak not yet reclaimed. Neutral setup; $46+ breakout entry thesis unchanged. No new fundamentals re-researched. |
| 2026-07-11 |
AOSL $37.56, RSI 44, weak-down; -5.35% 7D, -13.32% 30D, +37.13% 3M, -30.88% from 52wk high (deepest drawdown in profile history). The "time-based consolidation" read from 06/16 broke down instead of resolving into the $46+ breakout — price fell below both SMA20 ($42.87) and SMA50 ($42.97), which have now converged and flipped to overhead resistance. Golden cross vs SMA200 still intact (+30.3%). Thesis not killed (Vera Rubin socket disclosure still pending), but tape has deteriorated materially — flagged as tape-vs-thesis divergence. No new fundamentals re-researched. |
| 2026-07-17 |
AOSL $31.27, RSI 36.9, weak-down; -16.75% 7D, -34.91% 30D, -21.63% 3M (flipped negative as the parabolic move rolls out of window), -42.45% from 52wk high (new deepest drawdown). Golden cross vs SMA200 still intact (+8%). Thesis not killed (Vera Rubin socket disclosure still pending). No new fundamentals re-researched. |
| 2026-07-25 |
AOSL $30.85, RSI 38, weak-down; -1.34% 7D (free-fall stabilizing), -26.51% 30D (moderated), -30.6% 3M (deepened further on base effects), -37.78% from 52wk high (improved from -42.45%). Golden cross vs SMA200 intact (+6.1%). Thesis not killed (Vera Rubin socket disclosure still pending). No new fundamentals re-researched. |
| 2026-07-28 |
AOSL $28.85, RSI 35.5, down; -6.39% 1D, -17.55% 7D, -36.19% 30D, -27.98% 3M, -46.91% from 52wk high (deepest drawdown yet). Stabilization broke — fresh leg down; price now marginally below SMA200 (-0.9%) though golden cross (SMA50>SMA200) still structurally intact. Regime flag now "collapse." Thesis not killed (Vera Rubin socket disclosure still pending). No new fundamentals re-researched. |
| 2026-07-31 |
AOSL $31.74, RSI 43.1, weak-down; 7D +2.88%; 30D -27.07%; 3M -26.32%; -41.59% from 52wk high. No new fundamentals re-researched. |
| 2026-08-08 |
AOSL $36.08, RSI 52.7, weak-down; 7D +13.67%; 30D -3.45%; 3M -4.80%; -40.12% from 52wk high. Q2 print 08-05 reacted only -1.3%; does not explain today's move. News not pulled for this move. |
The Gold
Key Discoveries
| Discovery |
Implication |
| Founder Mike Chang bought $1.5M+ of shares March 9, 2026 into the breakout |
Highest-quality insider signal in semis right now — signals confidence at $45, not $20 |
| Power IC = nearly 40% of product revenue, +37.3% YoY |
The mix-shift inflection is REAL, just not yet visible in headline revenue |
| Zero long-term debt, $818M equity vs $183M liabilities |
Can fund the AI mix-shift transition without dilution or distress — defensive characteristic at this size |
| Q2 FY2026 guide $160M (-12% sequential) |
The PC/consumer drag is still acute; the parabolic run is paying for future mix, not current |
| AOSL is on every OpenVReg / 800VDC NVIDIA partner list since Dec 2024 |
Reference-position relationship is multi-year, not single-product — but it's also shared with 13 other vendors |
Open Questions
- Does Vera Rubin socket disclosure (likely Q3-Q4 2026) confirm AOSL retains material share, or does MPWR take ~70% as sell-side projects?
- What's AOSL's gross margin trajectory if Power IC reaches 50%+ of product mix? (The DCF answer hinges on this.)
- How exposed is AOSL specifically to escalating US-China semiconductor restrictions vs. peers?
- Is the 30K MLCC count per GB300 (Murata story in adjacent perspective) a tailwind or competitive constraint for AOSL's discrete + IC bundle pitch?
- Why was the Mike Chang March 9 buy timed AT the breakout instead of months earlier? (Possible: he was in a blackout window earlier; possible: conviction crystallized on the Q1 print.)
Mistakes (If Applicable)
| Mistake |
Lesson |
| Coverage gap — AOSL ran 96% in 30 days while we were not tracking it |
The NuttyCLD series, captured today, was published over 6 weeks (Mar 30 → May 1). The OVR4-22 press release was Dec 2024. Our supply-chain-trace and ai-infra paradigms didn't catch this name. Process improvement: cross-reference NVIDIA's published partner lists against our watchlists every quarter. Add the 13 other 800VDC partners to coverage too. |
| 2026-08-14 |
AOSL $30.77, RSI 43, weak-down; 7D -14.72%; 30D -12.96%; 3M -20.84%; -43.65% from 52wk high. No new fundamentals re-researched. |