$UCTT is held by 7 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.24%, with an average of 0.05% of portfolio. Largest holder: WINTON GROUP Ltd at 0.24%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.
ULTRA CLEAN HLDGS INC
13F holders
310
Net 13F flow · Q
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Insider buys · 90d
0
Insider net · 90d
—
Congress · 90d
0
Convergence
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Institutional holders
Top 10 of 310 · Source: 13F-HR01
Brightline Capital Management, LLC
—
—
02
Glynn Capital Management LLC
—
—
03
State Street
—
—
04
Axa S.a.
—
—
05
Cambridge Capital Management, LLC
—
—
06
Bahl & Gaynor Inc.
—
—
07
Evergreen Capital Management LLC
—
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08
Commerce Bank
—
—
09
Exor N.V.
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10
Wellington Management Group LLP
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Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.
Smart Money · top-200 alpha cohort
7 holders · Q1 202601
WINTON GROUP Ltd
0.24% NEW
α +27.0pts
02
RiverPark Advisors, LLC
0.05% held
α +21.5pts
03
Citigroup Inc.
0.01% held
α +26.3pts
04
Voloridge Investment Management, LLC
0.00% held
α +15.5pts
05
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.00% held
α +27.5pts
06
Nisa Investment Advisors, LLC
0.00% held
α +16.6pts
07
Knightsbridge Asset Management, LLC
0.00% held
α +24.2pts
Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.
Insider activity · last 90 days
No insider activity
No Form 4 filings on record for $UCTT in the recent window.
Congress trades · last 90 days
31 disclosures · STOCK ActConvergence · Pattern Engine ships in v1.1
30-day windowIn development
Convergence detection for $UCTT lands with the Pattern Engine.
Once the Pattern Engine ships, this section will surface every active convergence event involving $UCTT — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.
Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 12:04 UTC.