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UCTT

Ultra Clean Holdings

241 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 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

43% more first-time investments, than exits

New positions opened: 40 | Existing positions closed: 28

21% more capital invested

Capital invested by funds: $950M → $1.15B (+$197M)

5% more funds holding

Funds holding: 230241 (+11)

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

0.36% less ownership

Funds ownership: 93.22%92.86% (-0.36%)

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
241
Holders Change
+11
Holders Change %
+4.78%
% of All Funds
3.16%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
40
Increased
75
Reduced
81
Closed
28
Calls
$2.37M
Puts
$2.47M
Net Calls
-$101K
Net Calls Change
+$774K
Name Holding Trade Value Shares
Change
Change in
Stake
UBS AM
51
UBS AM
Illinois
$2.39M -$1.07M -43,474 -33%
Swiss National Bank
52
Swiss National Bank
Switzerland
$2.38M +$32K +1,300 +2%
Pathstone Holdings
53
Pathstone Holdings
New Jersey
$2.33M +$99.3K +4,038 +5%
EGM
54
Engineers Gate Manager
New York
$2.32M +$1.27M +51,780 +155%
Bank of America
55
Bank of America
North Carolina
$2.28M -$707K -28,762 -26%
Jane Street
56
Jane Street
New York
$1.93M -$2.65M -107,863 -60%
State of Wisconsin Investment Board
57
State of Wisconsin Investment Board
Wisconsin
$1.89M -$813K -33,050 -32%
Russell Investments Group
58
Russell Investments Group
United Kingdom
$1.83M +$1.47M +59,750 +823%
Barclays
59
Barclays
United Kingdom
$1.72M -$3.88M -157,639 -71%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
60
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.64M +$1.48M +60,000 New
AllianceBernstein
61
AllianceBernstein
Tennessee
$1.62M -$688 -28 -0%
OF
62
Optimize Financial
California
$1.54M +$1.39M +56,535 New
Millennium Management
63
Millennium Management
New York
$1.46M -$698K -28,396 -35%
OC
64
Oppenheimer & Co
New York
$1.44M -$95.4K -3,881 -7%
Balyasny Asset Management
65
Balyasny Asset Management
Illinois
$1.42M +$1.28M +52,130 New
AAF
66
Andra AP-fonden
Sweden
$1.37M
N
67
Numerai
California
$1.35M +$279K +11,334 +30%
Canada Life
68
Canada Life
Manitoba, Canada
$1.34M
Envestnet Asset Management
69
Envestnet Asset Management
Illinois
$1.32M +$90.5K +3,681 +8%
CM
70
CastleKnight Management
New York
$1.28M -$197K -8,000 -15%
RBC
71
Romano Brothers & Co
Illinois
$1.27M +$73.8K +3,000 +7%
Prudential Financial
72
Prudential Financial
New Jersey
$1.26M -$2.66M -108,390 -70%
NIM
73
Needham Investment Management
New York
$1.23M +$246K +10,000 +29%
Citigroup
74
Citigroup
New York
$1.2M -$1.15M -46,604 -51%
TA
75
Teton Advisors
New York
$1.19M

UCTT Hedge Fund Activity: Q3 2025 in Review

241 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Ultra Clean Holdings (UCTT) for Q3 2025, worth a combined $1.15B — up 21% from $950M a quarter earlier.

Buyers outnumbered sellers: 40 funds opened new UCTT positions and 28 closed out — a net gain of 12 holders — while 75 added to existing stakes and 81 trimmed.

The largest buyer was Goldman Sachs, adding an estimated $8.78M. The largest seller was Shapiro Capital Management, cutting an estimated $11.2M.

  • 241 institutional investors held Ultra Clean Holdings (UCTT) as of Q3 2025, up from 230 in Q2 2025.
  • Funds reported $1.15B of Ultra Clean Holdings stock for Q3 2025, up 21% quarter-over-quarter.
  • 40 funds opened new Ultra Clean Holdings positions in Q3 2025 and 28 closed out, a net change of +12 holders.
  • The largest Ultra Clean Holdings buyer in Q3 2025 was Goldman Sachs, an estimated $8.78M added.
  • The largest Ultra Clean Holdings seller in Q3 2025 was Shapiro Capital Management, an estimated $11.2M sold.

Based on aggregated 13F filings for Q3 2025.