UCTT

Ultra Clean Holdings

239 hedge funds and large institutions have $1.15B invested in Ultra Clean Holdings in 2025 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 75 increasing their positions, 81 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

0.42% less ownership

Funds ownership: 93.29%92.86% (-0.42%)

4% less call options, than puts

Call options by funds: $2.37M | Put options by funds: $2.47M

7% less repeat investments, than reductions

Existing positions increased: 75 | Existing positions reduced: 81

Holders
239
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.37M
Puts
$2.47M
Net Calls
Net Calls Change

Top Sellers

1 -$12.4M
2 -$9.93M
3 -$9.22M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$5.38M
5
Renaissance Technologies
Renaissance Technologies
New York
-$4.57M
Name Holding Trade Value Shares
Change
Change in
Stake
B
151
Bailard
California
$223K
VOYA Investment Management
152
VOYA Investment Management
Georgia
$222K
SO
153
STRS Ohio
Ohio
$221K
SIP
154
Stoneridge Investment Partners
Pennsylvania
$218K
Zurich Cantonal Bank
155
Zurich Cantonal Bank
Switzerland
$215K
Pictet Asset Management
156
Pictet Asset Management
Switzerland
$213K
PCM
157
Palouse Capital Management
Washington
$204K
IB
158
Intrust Bank
Kansas
$202K
QT
159
Quantbot Technologies
New York
$194K
Public Employees Retirement Association of Colorado
160
Public Employees Retirement Association of Colorado
Colorado
$168K
A
161
AlphaQuest
New York
$156K
FFA
162
Farther Finance Advisors
California
$141K
GI
163
GAMMA Investing
California
$123K
US Bancorp
164
US Bancorp
Minnesota
$118K
Nisa Investment Advisors
165
Nisa Investment Advisors
Missouri
$111K
PNC Financial Services Group
166
PNC Financial Services Group
Pennsylvania
$105K
AIP
167
Ameritas Investment Partners
Nebraska
$102K
JFGIW
168
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$80.8K
SCM
169
Sterling Capital Management
North Carolina
$78.6K
HFS
170
Hantz Financial Services
Michigan
$75K
TC
171
Truvestments Capital
Florida
$65.1K
WC
172
Wexford Capital
Florida
$64.2K
TRCT
173
Tower Research Capital (TRC)
New York
$55.2K
SAM
174
Smartleaf Asset Management
Massachusetts
$48.4K
ASN
175
Advisory Services Network
Georgia
$44.6K