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

watchlist

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

current roster plus event stream

symbols 10 events 510 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 510 events.

Cumulative return since Sep 21 — both lines start at 0%, so the gap between them IS the out/under-performance. Hover for daily values.
1D7D30D3M1Y
cohort -6.3%-6.7%-12.4%-15.6%+61.6%
SPY -1.2%-1.0%-1.2%+3.5%+14.4%
Δ -5.1%-5.7%-11.2%-19.1%+47.2%

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

30D breadth 2/10 up

trend: 2 up · 0 flat · 8 down · avg RSI 39 · 30% above SMA200 · covered 10/10

contributors

TXN+0.3pp+3.0%
TDY+0.1pp+1.3%
ON-0.1pp-0.5%
MCHP-0.2pp-1.7%
TSM-0.9pp-8.8%

detractors

COHR-3.3pp-33.0%
TSEM-2.9pp-29.1%
UMC-2.8pp-28.1%
STM-1.7pp-17.4%
GFS-1.0pp-9.6%

Holdings

TSM $412.35 -8.8% 30d coming into play TXN $279.50 +3.0% 30d coming into play COHR $207.82 -33.0% 30d retreating STM $44.09 -17.4% 30d retreating UMC $18.53 -28.1% 30d coming into play MCHP $74.52 -1.7% 30d coming into play ON $73.23 -0.5% 30d retreating TSEM $167.71 -29.1% 30d retreating TDY $620.47 +1.3% 30d coming into play GFS $43.37 -9.6% 30d retreating
TXN $279.50 -1.8% +3.0% -1.9% +63.7% 50 coming into play -16.3%
TDY $620.47 -1.5% +1.3% -4.7% +14.1% 52 coming into play -11.1%
ON $73.23 -4.8% -0.5% -18.8% +41.0% 45 retreating -45.7%
MCHP $74.52 -3.4% -1.7% -8.4% +15.5% 47 coming into play -29.6%
TSM $412.35 -4.5% -8.8% -0.8% +42.7% 38 coming into play -15.4%
GFS $43.37 -9.1% -9.6% -23.8% +25.8% 38 retreating -53.1%
STM $44.09 -7.0% -17.4% -17.6% +51.4% 33 retreating -45.9%
UMC $18.53 -6.5% -28.1% -11.2% +151.1% 30 coming into play -36.0%
TSEM $167.71 -11.5% -29.1% -35.6% +130.6% 32 retreating -47.6%
COHR $207.82 -12.5% -33.0% -33.6% +80.1% 30 retreating -52.8%

Feed generated 2026-10-23.