Watchlist / thebuildout-trailing-edge-logic-specialty-foundries

watchlist

Watchlist / thebuildout-trailing-edge-logic-specialty-foundries

current roster plus event stream

symbols 10 events 477 latest

TheBuildout · Trailing-Edge Logic & Specialty Foundries — their curated supply-chain list (https://thebuildout.ai/lists/trailing-edge-logic-specialty-foundries), imported 2026-08-19 as a brand-tagged watchlist. Our slice = US-listed/ADR lines of the free-tier visible head: 10 of 18 visible / 63 total (45 pro-gated; 8 foreign primaries without a US line omitted — see experiments/gloomberg/thebuildout-lists-vs-watchlists.md). Membership and 'aiCriticality' tags are theirs; refresh via deno task market -- scrape-thebuildout --lists.

Showing 120 of 477 events.

Cumulative return since Sep 8 — both lines start at 0%, so the gap between them IS the out/under-performance. Hover for daily values.
1D7D30D3M1Y
cohort -0.3%-6.2%+4.4%-10.6%+87.5%
SPY +0.6%+1.2%+2.1%+3.1%+16.0%
Δ -0.9%-7.3%+2.3%-13.7%+71.5%

equal-weight · buy-and-hold from window start, no rebalancing · 3M+ windows are a current-roster backcast.

30D breadth 10/10 up

trend: 7 up · 0 flat · 3 down · avg RSI 50 · 60% above SMA200 · covered 10/10

contributors

ON+0.9pp+9.2%
TXN+0.8pp+8.5%
TSEM+0.6pp+5.6%
GFS+0.5pp+5.0%
TSM+0.4pp+4.1%

detractors

STM+0.1pp+1.0%
UMC+0.1pp+1.2%
COHR+0.3pp+3.0%
TDY+0.3pp+3.1%
MCHP+0.3pp+3.5%

Holdings

TSM $453.31 +4.1% 30d in trend TXN $283.74 +8.5% 30d coming into play COHR $312.62 +3.0% 30d coming into play STM $52.06 +1.0% 30d coming into play UMC $22.96 +1.2% 30d coming into play MCHP $75.55 +3.5% 30d coming into play ON $77.53 +9.2% 30d coming into play TSEM $228.71 +5.6% 30d coming into play TDY $613.66 +3.1% 30d coming into play GFS $48.24 +5.0% 30d retreating
ON $77.53 -2.4% +9.2% -19.2% +55.1% 50 coming into play -42.5%
TXN $283.74 -1.6% +8.5% -8.9% +58.5% 56 coming into play -15.1%
TSEM $228.71 +0.0% +5.6% +2.7% +208.3% 49 coming into play -28.5%
GFS $48.24 -2.3% +5.0% -30.1% +36.5% 51 retreating -47.9%
TSM $453.31 -1.0% +4.1% +4.4% +51.2% 52 in trend -7.0%
MCHP $75.55 +0.0% +3.5% -14.7% +14.7% 47 coming into play -28.7%
TDY $613.66 +1.5% +3.1% -3.3% +6.5% 49 coming into play -12.0%
COHR $312.62 +3.4% +3.0% -3.7% +155.5% 52 coming into play -28.9%
UMC $22.96 +0.6% +1.2% -5.7% +206.9% 49 coming into play -20.7%
STM $52.06 -1.2% +1.0% -27.1% +81.4% 46 coming into play -36.1%

Feed generated 2026-10-09.