Stock Ownership/UCTT

ULTRA CLEAN HLDGS INC (UCTT): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in UCTT · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
21
13F filers
Aggregate Value
$406.3M
Across holders
Last Price
$72.78
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity14 increased7 reduced4 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, CAPSTONE INVESTMENT ADVISORS, LLC, Man Group plc, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Institutional Holders of UCTT
↗
21 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
SHAW D E & CO INC
CIK 0001009207
Hedge Fund620K$88.4M21.8%0.0%Reduced$-247.9MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund610K$87.0M21.4%0.1%Added+$4.1MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund388K$55.4M13.6%0.0%Reduced$-42.4MQ2 2026
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager348K$49.6M12.2%0.1%Reduced$-74.2MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund210K$30.0M7.4%0.0%Added+$29.1MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund144K$20.6M5.1%0.0%Reduced$-28.6MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund92K$13.1M3.2%0.0%Added—Q2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund85K$12.1M3.0%0.0%Reduced+$11.5MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund82K$11.8M2.9%0.0%Reduced+$5.7MQ2 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund69K$9.8M2.4%0.1%Added+$8.7MQ2 2026
SHAW D E & CO INCReduced
Hedge Fund
$88.4M· 21.8% of total· 0.0% port· 620K sh· $-247.9M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$87.0M· 21.4% of total· 0.1% port· 610K sh· +$4.1M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$55.4M· 13.6% of total· 0.0% port· 388K sh· $-42.4M QoQ· Q2 2026
First Eagle Investment Management, LLCReduced
Institutional Manager
$49.6M· 12.2% of total· 0.1% port· 348K sh· $-74.2M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$30.0M· 7.4% of total· 0.0% port· 210K sh· +$29.1M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$20.6M· 5.1% of total· 0.0% port· 144K sh· $-28.6M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$13.1M· 3.2% of total· 0.0% port· 92K sh· — QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$12.1M· 3.0% of total· 0.0% port· 85K sh· +$11.5M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$11.8M· 2.9% of total· 0.0% port· 82K sh· +$5.7M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$9.8M· 2.4% of total· 0.1% port· 69K sh· +$8.7M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$8.9M· 2.2% of total· 0.0% port· 62K sh· +$7.6M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$6.3M· 1.6% of total· 0.0% port· 44K sh· +$953K QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$6.0M· 1.5% of total· 0.0% port· 42K sh· — QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$3.7M· 0.9% of total· 0.1% port· 26K sh· +$279K QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDAdded
Hedge Fund
$1.9M· 0.5% of total· 0.0% port· 13K sh· — QoQ· Q2 2026
MAVERICK CAPITAL LTDReduced
Hedge Fund
$718K· 0.2% of total· 0.0% port· 5K sh· $-2.2M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$415K· 0.1% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$291K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
MOORE CAPITAL MANAGEMENT, LPAdded
Hedge Fund
$212K· 0.1% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$178K· 0.0% of total· 0.0% port· 1K sh· +$131K QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$129K· 0.0% of total· 0.0% port· 905 sh· — QoQ· Q2 2026
1–10 of 21
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