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UCTT

Ultra Clean Holdings

331 hedge funds and large institutions have $2.8B invested in Ultra Clean Holdings in 2026 Q1 according to their latest regulatory filings, with 118 funds opening new positions, 93 increasing their positions, 84 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,882% more call options, than puts

Call options by funds: $311M | Put options by funds: $15.7M

462% more first-time investments, than exits

New positions opened: 118 | Existing positions closed: 21

300% more funds holding in top 10

Funds holding in top 10: 14 (+3)

160% more capital invested

Capital invested by funds: $1.08B → $2.8B (+$1.72B)

39% more funds holding

Funds holding: 238331 (+93)

11% more repeat investments, than reductions

Existing positions increased: 93 | Existing positions reduced: 84

5.36% more ownership

Funds ownership: 93.62%98.98% (+5.4%)

Holders
331
Holders Change
+93
Holders Change %
+39.08%
% of All Funds
4.08%
Holding in Top 10
4
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+300%
% of All Funds
0.05%
New
118
Increased
93
Reduced
84
Closed
21
Calls
$311M
Puts
$15.7M
Net Calls
+$295M
Net Calls Change
+$296M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$425M +$5.8M +113,167 +2%
VPM
2
Vanguard Portfolio Management
Pennsylvania
$174M +$144M +2,802,250 New
VCM
3
Vanguard Capital Management
Pennsylvania
$119M +$98.2M +1,916,501 New
State Street
4
State Street
Massachusetts
$114M -$751K -14,658 -0.8%
FCM
5
Frontier Capital Management
Massachusetts
$111M -$88.3M -1,722,388 -49%
Invesco
6
Invesco
Georgia
$103M -$89.2M -1,739,885 -51%
Boston Partners
7
Boston Partners
Massachusetts
$91.4M +$75.3M +1,468,878 New
D.E. Shaw & Co
8
D.E. Shaw & Co
New York
$73.6M +$11.8M +231,103 +24%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$70.9M +$2.63M +51,351 +5%
DCM
10
Driehaus Capital Management
Illinois
$66.1M +$31.2M +608,746 +134%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$62.9M -$26.3M -513,079 -34%
Morgan Stanley
12
Morgan Stanley
New York
$56.7M +$885K +17,277 +2%
Charles Schwab
13
Charles Schwab
California
$52.3M +$993K +19,368 +2%
RA
14
Royce & Associates
New York
$47.2M -$17.4M -339,196 -31%
Millennium Management
15
Millennium Management
New York
$42.6M +$6.43M +125,481 +22%
OAM
16
Oberweis Asset Management
Illinois
$39.8M +$614K +11,976 +2%
PCMI
17
Paradigm Capital Management Inc
New York
$37.8M
CCPM
18
Cooper Creek Partners Management
New York
$36.5M +$30.1M +586,773 New
Two Sigma Investments
19
Two Sigma Investments
New York
$36.1M +$29.8M +581,131 New
SG Americas Securities
20
SG Americas Securities
New York
$35.2M +$22.5M +439,526 +349%
Goldman Sachs
21
Goldman Sachs
New York
$31.3M -$2.81M -54,848 -10%
Fuller & Thaler Asset Management
22
Fuller & Thaler Asset Management
California
$29.5M +$23.7M +461,568 +3,418%
Northern Trust
23
Northern Trust
Illinois
$28.5M -$262K -5,118 -1%
Bank of America
24
Bank of America
North Carolina
$28.2M +$19.4M +378,648 +502%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$27.6M -$9.81M -191,319 -30%