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Ultra Clean Holdings
UCTT

Overview Fund Activity

227 hedge funds and large institutions have $894M invested in Ultra Clean Holdings in 2025 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 71 increasing their positions, 78 reducing their positions, and 45 closing their positions.

Holders
227
Holders Change
-4
Holders Change %
-1.73%
% of All Funds
3.08%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
44
Increased
71
Reduced
78
Closed
45
Calls
$1.8M
Puts
$3.03M
Net Calls
-$1.23M
Net Calls Change
-$1.72M

Top Buyers

1
SCM
1
Shapiro Capital Management
Georgia
$87.4M
2
Invesco
2
Invesco
Georgia
$36M
3
NL
3
Nuveen LLC
North Carolina
$6.89M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$11.9M
5
Jane Street
5
Jane Street
New York
$3.17M

Top Sellers

1
Fisher Asset Management
1
Fisher Asset Management
Washington
$0
2
BlackRock
2
BlackRock
New York
$149M
3
CSS
3
Cubist Systematic Strategies
Connecticut
$0
4
FCM
4
Frontier Capital Management
Massachusetts
$41.7M
5
Qube Research & Technologies (QRT)
5
Qube Research & Technologies (QRT)
United Kingdom
$1.73M
Name Market Value Shares Shares
Change 		Shares
Change %
UBS AM
51
UBS AM
Illinois
$1.82M 85,094 +13,005 +18%
BCC
52
Bridge City Capital
Oregon
$1.78M 83,273 -798 -0.9%
Qube Research & Technologies (QRT)
53
Qube Research & Technologies (QRT)
United Kingdom
$1.73M 80,796 -155,333 -66%
Comerica Bank
54
Comerica Bank
Texas
$1.65M 77,219 -30,467 -28%
T. Rowe Price Associates
55
T. Rowe Price Associates
Maryland
$1.61M 75,209 +2,772 +4%
State of Wisconsin Investment Board
56
State of Wisconsin Investment Board
Wisconsin
$1.54M 72,047 +17,300 +32%
Citigroup
57
Citigroup
New York
$1.52M 71,201 -1,694 -2%
Man Group
58
Man Group
United Kingdom
$1.36M 63,657 +1,000 +2%
SI
59
Sapience Investments
California
$1.36M 63,489 -7,846 -11%
Renaissance Technologies
60
Renaissance Technologies
New York
$1.28M 59,800 -102,689 -63%
AllianceBernstein
61
AllianceBernstein
Tennessee
$1.27M 59,455 -360 -0.6%
BNP Paribas Financial Markets
62
BNP Paribas Financial Markets
France
$1.26M 59,052 +32,381 +121%
GWI
63
Grace & White Inc
New York
$1.26M 58,700 +58,700 New
Federated Hermes
64
Federated Hermes
Pennsylvania
$1.25M 58,470 +29,925 +105%
Canada Life
65
Canada Life
Manitoba, Canada
$1.13M 52,918 -3,791 -7%
AAF
66
Andra AP-fonden
Sweden
$1.07M 50,105 +50,105 New
OC
67
Oppenheimer & Co
New York
$1.04M 48,548 +9,169 +23%
RBC
68
Romano Brothers & Co
Illinois
$941K 43,950 +43,950 New
TA
69
Teton Advisors
New York
$931K 43,500 -2,700 -6%
California State Teachers Retirement System (CalSTRS)
70
California State Teachers Retirement System (CalSTRS)
California
$900K 42,046 – –
Citadel Advisors
71
Citadel Advisors
Florida
$828K 38,686 +26,387 +215%
Envestnet Asset Management
72
Envestnet Asset Management
Illinois
$808K 37,743 +6,408 +20%
CM
73
CastleKnight Management
New York
$803K 37,500 – –
KIA
74
Knollwood Investment Advisory
Maryland
$792K 37,000 – –
Tudor Investment Corp
75
Tudor Investment Corp
Connecticut
$787K 36,749 +29,982 +443%
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