Watchlist / thebuildout-package-substrate-interposer-ecosystem

watchlist

Watchlist / thebuildout-package-substrate-interposer-ecosystem

current roster plus event stream

symbols 15 events 618 latest

TheBuildout · Package Substrate & Interposer Ecosystem — their curated supply-chain list (https://thebuildout.ai/lists/package-substrate-interposer-ecosystem), imported 2026-08-19 as a brand-tagged watchlist. Our slice = US-listed/ADR lines of the free-tier visible head: 19 of 41 visible / 92 total (51 pro-gated; 22 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 618 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 -9.1%-10.6%-18.6%-18.5%+60.8%
SPY -1.2%-1.0%-1.2%+3.5%+14.4%
Δ -8.0%-9.6%-17.4%-22.0%+46.4%

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

30D breadth 3/15 up

trend: 1 up · 0 flat · 14 down · avg RSI 34 · 27% above SMA200 · covered 15/15

contributors

MMM+0.2pp+3.7%
SNPS+0.2pp+3.2%
CDNSE+0.1pp+2.2%
TSM-0.6pp-8.8%
Q-0.9pp-12.9%

detractors

TTMI-2.8pp-42.0%
INTC-2.1pp-31.0%
ONTO-2.0pp-30.0%
AMKRE-1.9pp-28.5%
UMC-1.9pp-28.1%

Holdings

TSM $412.35 -8.8% 30d coming into play INTC $85.49 -31.0% 30d coming into play LRCX $230.15 -26.0% 30d retreating AMAT $375.58 -20.5% 30d retreating KLAC $147.83 -21.5% 30d retreating GLW $123.99 -22.4% 30d retreating ASX $37.74 -16.5% 30d coming into play MMM $175.56 +3.7% 30d coming into play CDNS $309.65 +2.2% 30d coming into play SNPS $422.48 +3.2% 30d coming into play UMC $18.53 -28.1% 30d coming into play Q $108.78 -12.9% 30d retreating ONTO $198.67 -30.0% 30d retreating AMKR $39.05 -28.5% 30d retreating TTMI $73.89 -42.0% 30d retreating
MMM $175.56 +0.5% +3.7% +3.5% +5.0% 65 coming into play -5.0%
SNPS $422.48 -6.4% +3.2% +13.1% -7.0% 39 coming into play -21.7%
CDNSE $309.65 -5.0% +2.2% -6.3% -6.3% 41 coming into play -25.7%
TSM $412.35 -4.5% -8.8% -0.8% +42.7% 38 coming into play -15.4%
Q $108.78 -9.5% -12.9% -21.6% — 31 retreating -38.6%
ASX $37.74 -11.0% -16.5% -4.4% +202.9% 37 coming into play -21.3%
AMAT $375.58 -8.2% -20.5% -33.3% +70.3% 25 retreating -49.2%
KLAC $147.83 -9.6% -21.5% -32.4% +32.7% 24 retreating -51.9%
GLW $123.99 -8.1% -22.4% -20.6% +47.4% 33 retreating -54.4%
LRCX $230.15 -11.8% -26.0% -28.0% +62.9% 25 retreating -47.5%
UMC $18.53 -6.5% -28.1% -11.2% +151.1% 30 coming into play -36.0%
AMKRE $39.05 -10.7% -28.5% -40.2% +26.9% 30 retreating -59.6%
ONTO $198.67 -10.6% -30.0% -31.8% +58.3% 27 retreating -48.6%
INTC $85.49 -8.0% -31.0% -14.7% +131.6% 31 coming into play -39.9%
TTMI $73.89 -27.7% -42.0% -49.0% +32.7% 28 retreating -67.0%

Feed generated 2026-10-23.