UCTT

Ultra Clean Holdings

329 hedge funds and large institutions have $2.8B invested in Ultra Clean Holdings in 2026 Q1 according to their latest regulatory filings, with 117 funds opening new positions, 93 increasing their positions, 84 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

39% more funds holding

Funds holding: 237329 (+92)

11% more repeat investments, than reductions

Existing positions increased: 93 | Existing positions reduced: 84

5.35% more ownership

Funds ownership: 93.62%98.97% (+5.4%)

Holders
329
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$311M
Puts
$15.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Swiss National Bank
76
Swiss National Bank
Switzerland
$5.58M
Walleye Capital
77
Walleye Capital
New York
$5.44M
Fifth Third Bancorp
78
Fifth Third Bancorp
Ohio
$5.25M
BCC
79
Bridge City Capital
Oregon
$5.05M
SEI Investments
80
SEI Investments
Pennsylvania
$4.85M
4A
81
4D Advisors
California
$4.66M
Bank of Montreal
82
Bank of Montreal
Ontario, Canada
$4.18M
AI
83
Atom Investors
Texas
$4.13M
New York State Common Retirement Fund
84
New York State Common Retirement Fund
New York
$4.1M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
85
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$3.73M
LCG
86
Lisanti Capital Growth
New York
$3.72M
Arrowstreet Capital
87
Arrowstreet Capital
Massachusetts
$3.51M
T. Rowe Price Associates
88
T. Rowe Price Associates
Maryland
$3.24M
ECM
89
ExodusPoint Capital Management
New York
$3.24M
California State Teachers Retirement System (CalSTRS)
90
California State Teachers Retirement System (CalSTRS)
California
$3.21M
LOAME
91
Lombard Odier Asset Management (Europe)
United Kingdom
$3.2M
LP
92
Longaeva Partners
Illinois
$2.8M
BFM
93
Boothbay Fund Management
New York
$2.77M
TA
94
Teton Advisors
New York
$2.61M
EI
95
EAM Investors
California
$2.6M
IIM
96
INTECH Investment Management
Florida
$2.58M
Acadian Asset Management
97
Acadian Asset Management
Massachusetts
$2.55M
Canada Life
98
Canada Life
Manitoba, Canada
$2.43M
LCM
99
Legato Capital Management
California
$2.42M
LIP
100
Liontrust Investment Partners
United Kingdom
$2.41M