BLACKROCK
Rank #1
15.3%
- Shares
- 6.83M
- Change
- +113.17K
- Change %
- +1.68%
- Filing
- Mar 31, 2026
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · TECHNOLOGY · Holders
Ultra Clean Holdings Inc (UCTT) Institutional Ownership & Insider Trading History
Top UCTT institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jun 23, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT
Source timingDetailsHide
Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 hr
Provider checked •
Source: Market data provider
Analystevery 1 hr
Provider checked •
Source: Market data provider
Newsevery 4 hr
Latest item •
Source: Market data provider
Ownership read
UCTT insider sentiment: Net selling.
BLACKROCK is the largest institutional holder. 83 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
UCTT
Purchases—
Sales4.82M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
6.83M
BLACKROCK
Insider stance
Net selling
$417.50M sold / — bought
Latest filing
Jun 4, 2026
Most recent holder or insider filing date
Filings shown
240
120 holder / 120 insider
- Holder rows
- 120
- Market data source
- Latest filing
- Jun 4, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 88
- 29 decreased
- Insider rows
- 120
- Market data source
Top 120 institutional holders
Ultra Clean Holdings Inc (UCTT) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
VANGUARD GROUP INC
Rank #2
11.1%
- Shares
- 4.99M
- Change
- +293.05K
- Change %
- +6.24%
- Filing
- Dec 31, 2025
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #3
6.26%
- Shares
- 2.80M
- Change
- +2.80M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD CAPITAL MANAGEMENT LLC
Rank #4
4.28%
- Shares
- 1.92M
- Change
- +1.92M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #5
4.10%
- Shares
- 1.84M
- Change
- -14.66K
- Change %
- -79.00%
- Filing
- Mar 31, 2026
Decreased
FRONTIER CAPITAL MANAGEMENT CO LLC
Rank #6
3.99%
- Shares
- 1.79M
- Change
- -1.72M
- Change %
- -49.07%
- Filing
- Mar 31, 2026
Decreased
INVESCO LTD.
Rank #7
3.71%
- Shares
- 1.66M
- Change
- -1.74M
- Change %
- -51.18%
- Filing
- Mar 31, 2026
Decreased
BOSTON PARTNERS
Rank #8
3.28%
- Shares
- 1.47M
- Change
- +1.47M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
D. E. SHAW & CO.
Rank #9
2.64%
- Shares
- 1.18M
- Change
- +231.10K
- Change %
- +24.27%
- Filing
- Mar 31, 2026
Increased
GEODE CAPITAL MANAGEMENT
Rank #10
2.55%
- Shares
- 1.14M
- Change
- +51.35K
- Change %
- +4.71%
- Filing
- Mar 31, 2026
Increased
DRIEHAUS CAPITAL MANAGEMENT LLC
Rank #11
2.37%
- Shares
- 1.06M
- Change
- +608.75K
- Change %
- +134.19%
- Filing
- Mar 31, 2026
Increased
DIMENSIONAL FUND ADVISORS LP
Rank #12
2.26%
- Shares
- 1.01M
- Change
- -513.08K
- Change %
- -33.65%
- Filing
- Mar 31, 2026
Decreased
MORGAN STANLEY
Rank #13
2.04%
- Shares
- 911.70K
- Change
- +17.28K
- Change %
- +1.93%
- Filing
- Mar 31, 2026
Increased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #14
1.88%
- Shares
- 840.46K
- Change
- +19.37K
- Change %
- +2.36%
- Filing
- Mar 31, 2026
Increased
ROYCE & ASSOCIATES LP
Rank #15
1.70%
- Shares
- 759.50K
- Change
- -339.20K
- Change %
- -30.87%
- Filing
- Mar 31, 2026
Decreased
MILLENNIUM MANAGEMENT LLC
Rank #16
1.53%
- Shares
- 685.44K
- Change
- +125.48K
- Change %
- +22.41%
- Filing
- Mar 31, 2026
Increased
OBERWEIS ASSET MANAGEMENT INC
Rank #17
1.43%
- Shares
- 640.48K
- Change
- +11.98K
- Change %
- +1.91%
- Filing
- Mar 31, 2026
Increased
PARADIGM CAPITAL MANAGEMENT INC
Rank #18
1.36%
- Shares
- 608.20K
- Change
- —
- Change %
- 0.00%
- Filing
- Mar 31, 2026
Unchanged
COOPER CREEK PARTNERS MANAGEMENT LLC
Rank #19
1.31%
- Shares
- 586.77K
- Change
- +586.77K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
TWO SIGMA INVESTMENTS
Rank #20
1.30%
- Shares
- 581.13K
- Change
- +581.13K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
SG AMERICAS SECURITIES
Rank #21
1.26%
- Shares
- 565.57K
- Change
- +439.53K
- Change %
- +348.71%
- Filing
- Mar 31, 2026
Increased
GOLDMAN SACHS GROUP INC
Rank #22
1.12%
- Shares
- 503.33K
- Change
- -54.85K
- Change %
- -9.83%
- Filing
- Mar 31, 2026
Decreased
FULLER & THALER ASSET MANAGEMENT
Rank #23
1.06%
- Shares
- 475.07K
- Change
- +461.57K
- Change %
- +3417.76%
- Filing
- Mar 31, 2026
Increased
NORTHERN TRUST CORP
Rank #24
1.02%
- Shares
- 458.14K
- Change
- -5.12K
- Change %
- -110.00%
- Filing
- Mar 31, 2026
Decreased
BANK OF AMERICA CORP
Rank #25
1.01%
- Shares
- 454.02K
- Change
- +378.65K
- Change %
- +502.37%
- Filing
- Mar 31, 2026
Increased
BANK OF NEW YORK MELLON CORP
Rank #26
0.99%
- Shares
- 443.65K
- Change
- -191.32K
- Change %
- -30.13%
- Filing
- Mar 31, 2026
Decreased
PINNACLE ASSOCIATES LTD
Rank #27
0.99%
- Shares
- 441.66K
- Change
- -20.47K
- Change %
- -4.43%
- Filing
- Mar 31, 2026
Decreased
FIRST EAGLE INVESTMENT MANAGEMENT
Rank #28
0.97%
- Shares
- 434.10K
- Change
- +23.53K
- Change %
- +5.73%
- Filing
- Mar 31, 2026
Increased
DIVISAR CAPITAL MANAGEMENT LLC
Rank #29
0.94%
- Shares
- 420.05K
- Change
- -529.28K
- Change %
- -55.75%
- Filing
- Mar 31, 2026
Decreased
NOMURA INVESTMENT MANAGEMENT BUSINESS TRUST
Rank #30
0.92%
- Shares
- 412.70K
- Change
- +412.70K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
RUSSELL INVESTMENTS GROUP
Rank #31
0.80%
- Shares
- 359.94K
- Change
- +295.26K
- Change %
- +456.49%
- Filing
- Mar 31, 2026
Increased
UBS GROUP AG
Rank #32
0.78%
- Shares
- 351.30K
- Change
- +118.85K
- Change %
- +51.13%
- Filing
- Mar 31, 2026
Increased
ION FUND MANAGEMENT LTD
Rank #33
0.78%
- Shares
- 349.85K
- Change
- +349.85K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
JPMORGAN CHASE & CO
Rank #34
0.75%
- Shares
- 336.36K
- Change
- -176.13K
- Change %
- -34.37%
- Filing
- Mar 31, 2026
Decreased
BNP PARIBAS FINANCIAL MARKETS
Rank #35
0.72%
- Shares
- 323.88K
- Change
- -102.69K
- Change %
- -24.07%
- Filing
- Mar 31, 2026
Decreased
GOODMAN FINANCIAL CORP
Rank #36
0.69%
- Shares
- 311.10K
- Change
- -246.91K
- Change %
- -44.25%
- Filing
- Mar 31, 2026
Decreased
JANE STREET GROUP
Rank #37
0.69%
- Shares
- 309.70K
- Change
- +208.15K
- Change %
- +204.96%
- Filing
- Mar 31, 2026
Increased
VANGUARD FIDUCIARY TRUST CO
Rank #38
0.65%
- Shares
- 292.79K
- Change
- +292.79K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
NEXT CENTURY GROWTH INVESTORS LLC
Rank #39
0.63%
- Shares
- 280.54K
- Change
- +280.54K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
PUBLIC SECTOR PENSION INVESTMENT BOARD
Rank #40
0.62%
- Shares
- 277.35K
- Change
- +120.17K
- Change %
- +76.46%
- Filing
- Mar 31, 2026
Increased
MARSHALL WACE
Rank #41
0.58%
- Shares
- 259.85K
- Change
- +146.38K
- Change %
- +128.99%
- Filing
- Mar 31, 2026
Increased
AMERIPRISE FINANCIAL INC
Rank #42
0.56%
- Shares
- 252.37K
- Change
- -13.16K
- Change %
- -4.96%
- Filing
- Mar 31, 2026
Decreased
DANA INVESTMENT ADVISORS
Rank #43
0.56%
- Shares
- 249.44K
- Change
- -140.08K
- Change %
- -35.96%
- Filing
- Mar 31, 2026
Decreased
LOOMIS SAYLES & CO L P
Rank #44
0.52%
- Shares
- 231.06K
- Change
- +231.06K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
CITIGROUP INC
Rank #45
0.51%
- Shares
- 227.50K
- Change
- +158.55K
- Change %
- +229.94%
- Filing
- Mar 31, 2026
Increased
PRUDENTIAL FINANCIAL INC
Rank #46
0.49%
- Shares
- 221.49K
- Change
- +145.97K
- Change %
- +193.29%
- Filing
- Mar 31, 2026
Increased
PRINCIPAL FINANCIAL GROUP INC
Rank #47
0.49%
- Shares
- 220.65K
- Change
- +4.34K
- Change %
- +2.00%
- Filing
- Mar 31, 2026
Increased
G2 INVESTMENT PARTNERS MANAGEMENT LLC
Rank #48
0.40%
- Shares
- 180.94K
- Change
- +180.94K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
AQR CAPITAL MANAGEMENT LLC
Rank #49
0.40%
- Shares
- 178.78K
- Change
- -39.88K
- Change %
- -18.24%
- Filing
- Mar 31, 2026
Decreased
COMERICA BANK
Rank #50
0.39%
- Shares
- 175.31K
- Change
- -1.57K
- Change %
- -89.00%
- Filing
- Dec 31, 2025
Decreased
FEDERATED HERMES
Rank #51
0.38%
- Shares
- 172.11K
- Change
- +172.11K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
WELLS FARGO & COMPANY
Rank #52
0.38%
- Shares
- 171.60K
- Change
- +90.20K
- Change %
- +110.81%
- Filing
- Mar 31, 2026
Increased
SG CAPITAL MANAGEMENT LLC
Rank #53
0.37%
- Shares
- 165.19K
- Change
- +165.19K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
REDWOOD GROVE CAPITAL
Rank #54
0.36%
- Shares
- 162.36K
- Change
- +162.36K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
ALLSPRING GLOBAL INVESTMENTS HOLDINGS
Rank #55
0.35%
- Shares
- 158.26K
- Change
- +142.91K
- Change %
- +930.98%
- Filing
- Mar 31, 2026
Increased
CUBIST SYSTEMATIC STRATEGIES
Rank #56
0.33%
- Shares
- 147.97K
- Change
- -44.62K
- Change %
- -23.17%
- Filing
- Sep 30, 2025
Decreased
ASSENAGON ASSET MANAGEMENT S.A.
Rank #57
0.32%
- Shares
- 141.43K
- Change
- +52.21K
- Change %
- +58.52%
- Filing
- Mar 31, 2026
Increased
CITADEL ADVISORS LLC
Rank #58
0.31%
- Shares
- 139.22K
- Change
- +107.90K
- Change %
- +344.53%
- Filing
- Mar 31, 2026
Increased
TORONTO DOMINION BANK
Rank #59
0.29%
- Shares
- 129.86K
- Change
- +111.74K
- Change %
- +616.41%
- Filing
- Mar 31, 2026
Increased
RHUMBLINE ADVISERS
Rank #60
0.29%
- Shares
- 127.70K
- Change
- +1.25K
- Change %
- +98.00%
- Filing
- Mar 31, 2026
Increased
SILVERCREST ASSET MANAGEMENT GROUP LLC
Rank #61
0.28%
- Shares
- 125.92K
- Change
- +125.92K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
FIRST SABREPOINT CAPITAL MANAGEMENT LP
Rank #62
0.28%
- Shares
- 125.00K
- Change
- +125.00K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
AMERICAN CENTURY COMPANIES INC
Rank #63
0.28%
- Shares
- 123.17K
- Change
- +3.94K
- Change %
- +3.30%
- Filing
- Mar 31, 2026
Increased
TYRO CAPITAL MANAGEMENT LLC
Rank #64
0.27%
- Shares
- 119.13K
- Change
- +119.13K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
BARCLAYS PLC
Rank #65
0.25%
- Shares
- 112.68K
- Change
- +43.02K
- Change %
- +61.77%
- Filing
- Mar 31, 2026
Increased
GRACE & WHITE INC
Rank #66
0.25%
- Shares
- 109.95K
- Change
- -4.50K
- Change %
- -3.93%
- Filing
- Mar 31, 2026
Decreased
UNIVERSAL- BETEILIGUNGS- UND SERVICEGESELLSCHAFT MBH
Rank #67
0.24%
- Shares
- 106.21K
- Change
- +84.27K
- Change %
- +384.15%
- Filing
- Mar 31, 2026
Increased
UBS AM
Rank #68
0.23%
- Shares
- 104.58K
- Change
- +15.15K
- Change %
- +16.94%
- Filing
- Mar 31, 2026
Increased
WINTON GROUP LTD
Rank #69
0.23%
- Shares
- 104.24K
- Change
- +16.73K
- Change %
- +19.12%
- Filing
- Mar 31, 2026
Increased
LEGAL & GENERAL GROUP PLC
Rank #70
0.23%
- Shares
- 103.81K
- Change
- -10.89K
- Change %
- -9.50%
- Filing
- Mar 31, 2026
Decreased
CASTLEARK MANAGEMENT LLC
Rank #71
0.22%
- Shares
- 100.13K
- Change
- +100.13K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
DIVISADERO STREET CAPITAL MANAGEMENT
Rank #72
0.22%
- Shares
- 100.00K
- Change
- +100.00K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
RAYMOND JAMES FINANCIAL INC
Rank #73
0.22%
- Shares
- 98.39K
- Change
- +35.38K
- Change %
- +56.16%
- Filing
- Mar 31, 2026
Increased
DEUTSCHE BANK AG\
Rank #74
0.22%
- Shares
- 97.47K
- Change
- +5.87K
- Change %
- +6.41%
- Filing
- Mar 31, 2026
Increased
CRAMER ROSENTHAL MCGLYNN LLC
Rank #75
0.21%
- Shares
- 94.27K
- Change
- +94.27K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
NUVEEN
Rank #76
0.21%
- Shares
- 93.87K
- Change
- +3.68K
- Change %
- +4.08%
- Filing
- Mar 31, 2026
Increased
CALAMOS ADVISORS LLC
Rank #77
0.20%
- Shares
- 89.87K
- Change
- +89.87K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
SWISS NATIONAL BANK
Rank #78
0.20%
- Shares
- 89.80K
- Change
- +400
- Change %
- +45.00%
- Filing
- Mar 31, 2026
Increased
WALLEYE CAPITAL LLC
Rank #79
0.20%
- Shares
- 87.45K
- Change
- +65.21K
- Change %
- +293.10%
- Filing
- Mar 31, 2026
Increased
FIFTH THIRD BANCORP
Rank #80
0.19%
- Shares
- 84.47K
- Change
- +84.26K
- Change %
- +39557.28%
- Filing
- Mar 31, 2026
Increased
BRIDGE CITY CAPITAL
Rank #81
0.18%
- Shares
- 81.23K
- Change
- +109
- Change %
- +13.00%
- Filing
- Mar 31, 2026
Increased
SEI INVESTMENTS CO
Rank #82
0.17%
- Shares
- 77.98K
- Change
- +69.07K
- Change %
- +774.84%
- Filing
- Mar 31, 2026
Increased
4D ADVISORS
Rank #83
0.17%
- Shares
- 75.00K
- Change
- -60.00K
- Change %
- -44.44%
- Filing
- Mar 31, 2026
Decreased
BANK OF MONTREAL
Rank #84
0.15%
- Shares
- 67.22K
- Change
- +67.22K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
ATOM INVESTORS LP
Rank #85
0.15%
- Shares
- 66.45K
- Change
- +66.45K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
NEW YORK STATE COMMON RETIREMENT FUND
Rank #86
0.15%
- Shares
- 65.89K
- Change
- +29.66K
- Change %
- +81.89%
- Filing
- Mar 31, 2026
Increased
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
Rank #87
0.13%
- Shares
- 60.00K
- Change
- —
- Change %
- 0.00%
- Filing
- Mar 31, 2026
Unchanged
LISANTI CAPITAL GROWTH
Rank #88
0.13%
- Shares
- 59.84K
- Change
- +59.84K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
ALLIANCEBERNSTEIN L.P.
Rank #89
0.13%
- Shares
- 57.18K
- Change
- -4.05K
- Change %
- -6.62%
- Filing
- Mar 31, 2026
Decreased
ARROWSTREET CAPITAL
Rank #90
0.13%
- Shares
- 56.43K
- Change
- +56.43K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
PRICE T ROWE ASSOCIATES INC
Rank #91
0.12%
- Shares
- 52.09K
- Change
- +9.00K
- Change %
- +20.88%
- Filing
- Mar 31, 2026
Increased
EXODUSPOINT CAPITAL MANAGEMENT
Rank #92
0.12%
- Shares
- 52.06K
- Change
- +18.13K
- Change %
- +53.44%
- Filing
- Mar 31, 2026
Increased
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
Rank #93
0.12%
- Shares
- 51.64K
- Change
- +10.08K
- Change %
- +24.26%
- Filing
- Mar 31, 2026
Increased
LOMBARD ODIER ASSET MANAGEMENT
Rank #94
0.11%
- Shares
- 51.41K
- Change
- +51.41K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
LONGAEVA PARTNERS L.P.
Rank #95
0.10%
- Shares
- 45.00K
- Change
- +45.00K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
BOOTHBAY FUND MANAGEMENT
Rank #96
0.10%
- Shares
- 44.58K
- Change
- +44.58K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
ALPHA G INVESTMENT MANAGEMENT
Rank #97
0.10%
- Shares
- 43.50K
- Change
- —
- Change %
- 0.00%
- Filing
- Jun 30, 2025
Unchanged
TETON ADVISORS
Rank #98
0.09%
- Shares
- 42.00K
- Change
- -1.00K
- Change %
- -2.33%
- Filing
- Mar 31, 2026
Decreased
INFORMED MOMENTUM CO LLC
Rank #99
0.09%
- Shares
- 41.80K
- Change
- +41.80K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
INTECH INVESTMENT MANAGEMENT LLC
Rank #100
0.09%
- Shares
- 41.50K
- Change
- +24.01K
- Change %
- +137.28%
- Filing
- Mar 31, 2026
Increased
ACADIAN ASSET MANAGEMENT LLC
Rank #101
0.09%
- Shares
- 41.19K
- Change
- +41.19K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
CANADA LIFE ASSURANCE CO
Rank #102
0.09%
- Shares
- 39.03K
- Change
- +2.03K
- Change %
- +5.48%
- Filing
- Mar 31, 2026
Increased
LEGATO CAPITAL MANAGEMENT LLC
Rank #103
0.09%
- Shares
- 38.91K
- Change
- +27.99K
- Change %
- +256.39%
- Filing
- Mar 31, 2026
Increased
LIONTRUST INVESTMENT PARTNERS LLP
Rank #104
0.09%
- Shares
- 38.77K
- Change
- +38.77K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
PATHSTONE HOLDINGS
Rank #105
0.09%
- Shares
- 38.59K
- Change
- -45.39K
- Change %
- -54.05%
- Filing
- Mar 31, 2026
Decreased
CREATIVE PLANNING
Rank #106
0.09%
- Shares
- 38.32K
- Change
- +9.19K
- Change %
- +31.53%
- Filing
- Mar 31, 2026
Increased
TUDOR INVESTMENT CORP ET AL
Rank #107
0.08%
- Shares
- 37.57K
- Change
- +37.57K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
SUSQUEHANNA INTERNATIONAL GROUP
Rank #108
0.08%
- Shares
- 35.65K
- Change
- +13.59K
- Change %
- +61.59%
- Filing
- Mar 31, 2026
Increased
NICHOLAS INVESTMENT PARTNERS
Rank #109
0.08%
- Shares
- 34.85K
- Change
- +34.85K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
PORTOLAN CAPITAL MANAGEMENT
Rank #110
0.08%
- Shares
- 33.70K
- Change
- +33.70K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
XTX TOPCO LTD
Rank #111
0.08%
- Shares
- 33.68K
- Change
- +13.80K
- Change %
- +69.39%
- Filing
- Mar 31, 2026
Increased
TREXQUANT INVESTMENT LP
Rank #112
0.07%
- Shares
- 33.54K
- Change
- -4.39K
- Change %
- -11.58%
- Filing
- Mar 31, 2026
Decreased
BROOKLYN INVESTMENT GROUP
Rank #113
0.07%
- Shares
- 32.81K
- Change
- +24.10K
- Change %
- +276.71%
- Filing
- Mar 31, 2026
Increased
MARTINGALE ASSET MANAGEMENT L P
Rank #114
0.07%
- Shares
- 31.12K
- Change
- -15.43K
- Change %
- -33.15%
- Filing
- Mar 31, 2026
Decreased
THRIVENT FINANCIAL FOR LUTHERANS
Rank #115
0.07%
- Shares
- 30.30K
- Change
- -892
- Change %
- -2.86%
- Filing
- Mar 31, 2026
Decreased
GABELLI FUNDS LLC
Rank #116
0.07%
- Shares
- 30.00K
- Change
- +4.15K
- Change %
- +16.07%
- Filing
- Mar 31, 2026
Increased
VANGUARD ASSET MANAGEMENT
Rank #117
0.07%
- Shares
- 29.72K
- Change
- +29.72K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VICTORY CAPITAL MANAGEMENT INC
Rank #118
0.06%
- Shares
- 28.68K
- Change
- -6.52K
- Change %
- -18.53%
- Filing
- Mar 31, 2026
Decreased
NEW YORK STATE TEACHERS RETIREMENT SYSTEM
Rank #119
0.06%
- Shares
- 28.59K
- Change
- -1.48K
- Change %
- -4.92%
- Filing
- Mar 31, 2026
Decreased
CREDIT AGRICOLE S A
Rank #120
0.06%
- Shares
- 28.00K
- Change
- +28.00K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 15.3% | 6.83M | +113.17K Increased | +1.68% | Mar 31, 2026 | |
| 2 | 11.1% | 4.99M | +293.05K Increased | +6.24% | Dec 31, 2025 | |
| 3 | 6.26% | 2.80M | +2.80M Initiated | — | Mar 31, 2026 | |
| 4 | 4.28% | 1.92M | +1.92M Initiated | — | Mar 31, 2026 | |
| 5 | 4.10% | 1.84M | -14.66K Decreased | -79.00% | Mar 31, 2026 | |
| 6 | FRONTIER CAPITAL MANAGEMENT CO LLC | 3.99% | 1.79M | -1.72M Decreased | -49.07% | Mar 31, 2026 |
| 7 | 3.71% | 1.66M | -1.74M Decreased | -51.18% | Mar 31, 2026 | |
| 8 | BOSTON PARTNERS | 3.28% | 1.47M | +1.47M Initiated | — | Mar 31, 2026 |
| 9 | 2.64% | 1.18M | +231.10K Increased | +24.27% | Mar 31, 2026 | |
| 10 | 2.55% | 1.14M | +51.35K Increased | +4.71% | Mar 31, 2026 | |
| 11 | DRIEHAUS CAPITAL MANAGEMENT LLC | 2.37% | 1.06M | +608.75K Increased | +134.19% | Mar 31, 2026 |
| 12 | 2.26% | 1.01M | -513.08K Decreased | -33.65% | Mar 31, 2026 | |
| 13 | 2.04% | 911.70K | +17.28K Increased | +1.93% | Mar 31, 2026 | |
| 14 | 1.88% | 840.46K | +19.37K Increased | +2.36% | Mar 31, 2026 | |
| 15 | ROYCE & ASSOCIATES LP | 1.70% | 759.50K | -339.20K Decreased | -30.87% | Mar 31, 2026 |
| 16 | MILLENNIUM MANAGEMENT LLC | 1.53% | 685.44K | +125.48K Increased | +22.41% | Mar 31, 2026 |
| 17 | OBERWEIS ASSET MANAGEMENT INC | 1.43% | 640.48K | +11.98K Increased | +1.91% | Mar 31, 2026 |
| 18 | PARADIGM CAPITAL MANAGEMENT INC | 1.36% | 608.20K | — Unchanged | 0.00% | Mar 31, 2026 |
| 19 | COOPER CREEK PARTNERS MANAGEMENT LLC | 1.31% | 586.77K | +586.77K Initiated | — | Mar 31, 2026 |
| 20 | TWO SIGMA INVESTMENTS | 1.30% | 581.13K | +581.13K Initiated | — | Mar 31, 2026 |
| 21 | SG AMERICAS SECURITIES | 1.26% | 565.57K | +439.53K Increased | +348.71% | Mar 31, 2026 |
| 22 | 1.12% | 503.33K | -54.85K Decreased | -9.83% | Mar 31, 2026 | |
| 23 | FULLER & THALER ASSET MANAGEMENT | 1.06% | 475.07K | +461.57K Increased | +3417.76% | Mar 31, 2026 |
| 24 | 1.02% | 458.14K | -5.12K Decreased | -110.00% | Mar 31, 2026 | |
| 25 | 1.01% | 454.02K | +378.65K Increased | +502.37% | Mar 31, 2026 | |
| 26 | BANK OF NEW YORK MELLON CORP | 0.99% | 443.65K | -191.32K Decreased | -30.13% | Mar 31, 2026 |
| 27 | PINNACLE ASSOCIATES LTD | 0.99% | 441.66K | -20.47K Decreased | -4.43% | Mar 31, 2026 |
| 28 | FIRST EAGLE INVESTMENT MANAGEMENT | 0.97% | 434.10K | +23.53K Increased | +5.73% | Mar 31, 2026 |
| 29 | DIVISAR CAPITAL MANAGEMENT LLC | 0.94% | 420.05K | -529.28K Decreased | -55.75% | Mar 31, 2026 |
| 30 | NOMURA INVESTMENT MANAGEMENT BUSINESS TRUST | 0.92% | 412.70K | +412.70K Initiated | — | Mar 31, 2026 |
| 31 | RUSSELL INVESTMENTS GROUP | 0.80% | 359.94K | +295.26K Increased | +456.49% | Mar 31, 2026 |
| 32 | 0.78% | 351.30K | +118.85K Increased | +51.13% | Mar 31, 2026 | |
| 33 | ION FUND MANAGEMENT LTD | 0.78% | 349.85K | +349.85K Initiated | — | Mar 31, 2026 |
| 34 | 0.75% | 336.36K | -176.13K Decreased | -34.37% | Mar 31, 2026 | |
| 35 | BNP PARIBAS FINANCIAL MARKETS | 0.72% | 323.88K | -102.69K Decreased | -24.07% | Mar 31, 2026 |
| 36 | GOODMAN FINANCIAL CORP | 0.69% | 311.10K | -246.91K Decreased | -44.25% | Mar 31, 2026 |
| 37 | JANE STREET GROUP | 0.69% | 309.70K | +208.15K Increased | +204.96% | Mar 31, 2026 |
| 38 | 0.65% | 292.79K | +292.79K Initiated | — | Mar 31, 2026 | |
| 39 | NEXT CENTURY GROWTH INVESTORS LLC | 0.63% | 280.54K | +280.54K Initiated | — | Mar 31, 2026 |
| 40 | PUBLIC SECTOR PENSION INVESTMENT BOARD | 0.62% | 277.35K | +120.17K Increased | +76.46% | Mar 31, 2026 |
| 41 | MARSHALL WACE | 0.58% | 259.85K | +146.38K Increased | +128.99% | Mar 31, 2026 |
| 42 | AMERIPRISE FINANCIAL INC | 0.56% | 252.37K | -13.16K Decreased | -4.96% | Mar 31, 2026 |
| 43 | DANA INVESTMENT ADVISORS | 0.56% | 249.44K | -140.08K Decreased | -35.96% | Mar 31, 2026 |
| 44 | LOOMIS SAYLES & CO L P | 0.52% | 231.06K | +231.06K Initiated | — | Mar 31, 2026 |
| 45 | CITIGROUP INC | 0.51% | 227.50K | +158.55K Increased | +229.94% | Mar 31, 2026 |
| 46 | PRUDENTIAL FINANCIAL INC | 0.49% | 221.49K | +145.97K Increased | +193.29% | Mar 31, 2026 |
| 47 | PRINCIPAL FINANCIAL GROUP INC | 0.49% | 220.65K | +4.34K Increased | +2.00% | Mar 31, 2026 |
| 48 | G2 INVESTMENT PARTNERS MANAGEMENT LLC | 0.40% | 180.94K | +180.94K Initiated | — | Mar 31, 2026 |
| 49 | AQR CAPITAL MANAGEMENT LLC | 0.40% | 178.78K | -39.88K Decreased | -18.24% | Mar 31, 2026 |
| 50 | COMERICA BANK | 0.39% | 175.31K | -1.57K Decreased | -89.00% | Dec 31, 2025 |
| 51 | FEDERATED HERMES | 0.38% | 172.11K | +172.11K Initiated | — | Mar 31, 2026 |
| 52 | WELLS FARGO & COMPANY | 0.38% | 171.60K | +90.20K Increased | +110.81% | Mar 31, 2026 |
| 53 | SG CAPITAL MANAGEMENT LLC | 0.37% | 165.19K | +165.19K Initiated | — | Mar 31, 2026 |
| 54 | REDWOOD GROVE CAPITAL | 0.36% | 162.36K | +162.36K Initiated | — | Mar 31, 2026 |
| 55 | ALLSPRING GLOBAL INVESTMENTS HOLDINGS | 0.35% | 158.26K | +142.91K Increased | +930.98% | Mar 31, 2026 |
| 56 | CUBIST SYSTEMATIC STRATEGIES | 0.33% | 147.97K | -44.62K Decreased | -23.17% | Sep 30, 2025 |
| 57 | ASSENAGON ASSET MANAGEMENT S.A. | 0.32% | 141.43K | +52.21K Increased | +58.52% | Mar 31, 2026 |
| 58 | CITADEL ADVISORS LLC | 0.31% | 139.22K | +107.90K Increased | +344.53% | Mar 31, 2026 |
| 59 | TORONTO DOMINION BANK | 0.29% | 129.86K | +111.74K Increased | +616.41% | Mar 31, 2026 |
| 60 | RHUMBLINE ADVISERS | 0.29% | 127.70K | +1.25K Increased | +98.00% | Mar 31, 2026 |
| 61 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 0.28% | 125.92K | +125.92K Initiated | — | Mar 31, 2026 |
| 62 | FIRST SABREPOINT CAPITAL MANAGEMENT LP | 0.28% | 125.00K | +125.00K Initiated | — | Mar 31, 2026 |
| 63 | AMERICAN CENTURY COMPANIES INC | 0.28% | 123.17K | +3.94K Increased | +3.30% | Mar 31, 2026 |
| 64 | TYRO CAPITAL MANAGEMENT LLC | 0.27% | 119.13K | +119.13K Initiated | — | Mar 31, 2026 |
| 65 | BARCLAYS PLC | 0.25% | 112.68K | +43.02K Increased | +61.77% | Mar 31, 2026 |
| 66 | GRACE & WHITE INC | 0.25% | 109.95K | -4.50K Decreased | -3.93% | Mar 31, 2026 |
| 67 | UNIVERSAL- BETEILIGUNGS- UND SERVICEGESELLSCHAFT MBH | 0.24% | 106.21K | +84.27K Increased | +384.15% | Mar 31, 2026 |
| 68 | 0.23% | 104.58K | +15.15K Increased | +16.94% | Mar 31, 2026 | |
| 69 | WINTON GROUP LTD | 0.23% | 104.24K | +16.73K Increased | +19.12% | Mar 31, 2026 |
| 70 | 0.23% | 103.81K | -10.89K Decreased | -9.50% | Mar 31, 2026 | |
| 71 | CASTLEARK MANAGEMENT LLC | 0.22% | 100.13K | +100.13K Initiated | — | Mar 31, 2026 |
| 72 | DIVISADERO STREET CAPITAL MANAGEMENT | 0.22% | 100.00K | +100.00K Initiated | — | Mar 31, 2026 |
| 73 | RAYMOND JAMES FINANCIAL INC | 0.22% | 98.39K | +35.38K Increased | +56.16% | Mar 31, 2026 |
| 74 | DEUTSCHE BANK AG\ | 0.22% | 97.47K | +5.87K Increased | +6.41% | Mar 31, 2026 |
| 75 | CRAMER ROSENTHAL MCGLYNN LLC | 0.21% | 94.27K | +94.27K Initiated | — | Mar 31, 2026 |
| 76 | NUVEEN | 0.21% | 93.87K | +3.68K Increased | +4.08% | Mar 31, 2026 |
| 77 | CALAMOS ADVISORS LLC | 0.20% | 89.87K | +89.87K Initiated | — | Mar 31, 2026 |
| 78 | SWISS NATIONAL BANK | 0.20% | 89.80K | +400 Increased | +45.00% | Mar 31, 2026 |
| 79 | WALLEYE CAPITAL LLC | 0.20% | 87.45K | +65.21K Increased | +293.10% | Mar 31, 2026 |
| 80 | FIFTH THIRD BANCORP | 0.19% | 84.47K | +84.26K Increased | +39557.28% | Mar 31, 2026 |
| 81 | BRIDGE CITY CAPITAL | 0.18% | 81.23K | +109 Increased | +13.00% | Mar 31, 2026 |
| 82 | SEI INVESTMENTS CO | 0.17% | 77.98K | +69.07K Increased | +774.84% | Mar 31, 2026 |
| 83 | 4D ADVISORS | 0.17% | 75.00K | -60.00K Decreased | -44.44% | Mar 31, 2026 |
| 84 | BANK OF MONTREAL | 0.15% | 67.22K | +67.22K Initiated | — | Mar 31, 2026 |
| 85 | ATOM INVESTORS LP | 0.15% | 66.45K | +66.45K Initiated | — | Mar 31, 2026 |
| 86 | NEW YORK STATE COMMON RETIREMENT FUND | 0.15% | 65.89K | +29.66K Increased | +81.89% | Mar 31, 2026 |
| 87 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 0.13% | 60.00K | — Unchanged | 0.00% | Mar 31, 2026 |
| 88 | LISANTI CAPITAL GROWTH | 0.13% | 59.84K | +59.84K Initiated | — | Mar 31, 2026 |
| 89 | 0.13% | 57.18K | -4.05K Decreased | -6.62% | Mar 31, 2026 | |
| 90 | ARROWSTREET CAPITAL | 0.13% | 56.43K | +56.43K Initiated | — | Mar 31, 2026 |
| 91 | 0.12% | 52.09K | +9.00K Increased | +20.88% | Mar 31, 2026 | |
| 92 | EXODUSPOINT CAPITAL MANAGEMENT | 0.12% | 52.06K | +18.13K Increased | +53.44% | Mar 31, 2026 |
| 93 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 0.12% | 51.64K | +10.08K Increased | +24.26% | Mar 31, 2026 |
| 94 | LOMBARD ODIER ASSET MANAGEMENT | 0.11% | 51.41K | +51.41K Initiated | — | Mar 31, 2026 |
| 95 | LONGAEVA PARTNERS L.P. | 0.10% | 45.00K | +45.00K Initiated | — | Mar 31, 2026 |
| 96 | BOOTHBAY FUND MANAGEMENT | 0.10% | 44.58K | +44.58K Initiated | — | Mar 31, 2026 |
| 97 | ALPHA G INVESTMENT MANAGEMENT | 0.10% | 43.50K | — Unchanged | 0.00% | Jun 30, 2025 |
| 98 | TETON ADVISORS | 0.09% | 42.00K | -1.00K Decreased | -2.33% | Mar 31, 2026 |
| 99 | INFORMED MOMENTUM CO LLC | 0.09% | 41.80K | +41.80K Initiated | — | Mar 31, 2026 |
| 100 | INTECH INVESTMENT MANAGEMENT LLC | 0.09% | 41.50K | +24.01K Increased | +137.28% | Mar 31, 2026 |
| 101 | ACADIAN ASSET MANAGEMENT LLC | 0.09% | 41.19K | +41.19K Initiated | — | Mar 31, 2026 |
| 102 | CANADA LIFE ASSURANCE CO | 0.09% | 39.03K | +2.03K Increased | +5.48% | Mar 31, 2026 |
| 103 | LEGATO CAPITAL MANAGEMENT LLC | 0.09% | 38.91K | +27.99K Increased | +256.39% | Mar 31, 2026 |
| 104 | LIONTRUST INVESTMENT PARTNERS LLP | 0.09% | 38.77K | +38.77K Initiated | — | Mar 31, 2026 |
| 105 | PATHSTONE HOLDINGS | 0.09% | 38.59K | -45.39K Decreased | -54.05% | Mar 31, 2026 |
| 106 | CREATIVE PLANNING | 0.09% | 38.32K | +9.19K Increased | +31.53% | Mar 31, 2026 |
| 107 | TUDOR INVESTMENT CORP ET AL | 0.08% | 37.57K | +37.57K Initiated | — | Mar 31, 2026 |
| 108 | SUSQUEHANNA INTERNATIONAL GROUP | 0.08% | 35.65K | +13.59K Increased | +61.59% | Mar 31, 2026 |
| 109 | NICHOLAS INVESTMENT PARTNERS | 0.08% | 34.85K | +34.85K Initiated | — | Mar 31, 2026 |
| 110 | PORTOLAN CAPITAL MANAGEMENT | 0.08% | 33.70K | +33.70K Initiated | — | Mar 31, 2026 |
| 111 | XTX TOPCO LTD | 0.08% | 33.68K | +13.80K Increased | +69.39% | Mar 31, 2026 |
| 112 | TREXQUANT INVESTMENT LP | 0.07% | 33.54K | -4.39K Decreased | -11.58% | Mar 31, 2026 |
| 113 | BROOKLYN INVESTMENT GROUP | 0.07% | 32.81K | +24.10K Increased | +276.71% | Mar 31, 2026 |
| 114 | MARTINGALE ASSET MANAGEMENT L P | 0.07% | 31.12K | -15.43K Decreased | -33.15% | Mar 31, 2026 |
| 115 | THRIVENT FINANCIAL FOR LUTHERANS | 0.07% | 30.30K | -892 Decreased | -2.86% | Mar 31, 2026 |
| 116 | GABELLI FUNDS LLC | 0.07% | 30.00K | +4.15K Increased | +16.07% | Mar 31, 2026 |
| 117 | 0.07% | 29.72K | +29.72K Initiated | — | Mar 31, 2026 | |
| 118 | VICTORY CAPITAL MANAGEMENT INC | 0.06% | 28.68K | -6.52K Decreased | -18.53% | Mar 31, 2026 |
| 119 | NEW YORK STATE TEACHERS RETIREMENT SYSTEM | 0.06% | 28.59K | -1.48K Decreased | -4.92% | Mar 31, 2026 |
| 120 | CREDIT AGRICOLE S A | 0.06% | 28.00K | +28.00K Initiated | — | Mar 31, 2026 |
Showing 120 of 120 matching institutional rows.
Recent insider transactions
Ultra Clean Holdings Inc (UCTT) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Savage Sheri
- Shares
- 66.48K
- % company
- 0.15%
- Price
- $91.75
- Value
- $6,099,173
Filed Jun 4, 2026
Savage Sheri
- Shares
- 66.74K
- % company
- 0.15%
- Price
- $90.99
- Value
- $6,072,309
Filed Jun 4, 2026
Savage Sheri
- Shares
- 68.44K
- % company
- 0.15%
- Price
- $89.95
- Value
- $6,156,358
Filed Jun 4, 2026
Savage Sheri
- Shares
- 69.29K
- % company
- 0.15%
- Price
- $89.10
- Value
- $6,174,095
Filed Jun 4, 2026
Savage Sheri
- Shares
- 70.72K
- % company
- 0.16%
- Price
- $88.16
- Value
- $6,234,940
Filed Jun 4, 2026
Savage Sheri
- Shares
- 72.15K
- % company
- 0.16%
- Price
- $87.07
- Value
- $6,282,275
Filed Jun 4, 2026
Savage Sheri
- Shares
- 72.64K
- % company
- 0.16%
- Price
- $91.68
- Value
- $6,659,635
Filed Jun 4, 2026
Savage Sheri
- Shares
- 72.81K
- % company
- 0.16%
- Price
- $90.86
- Value
- $6,615,607
Filed Jun 4, 2026
Savage Sheri
- Shares
- 73.57K
- % company
- 0.16%
- Price
- $89.73
- Value
- $6,601,795
Filed Jun 4, 2026
Savage Sheri
- Shares
- 74.02K
- % company
- 0.17%
- Price
- $88.75
- Value
- $6,569,275
Filed Jun 4, 2026
Savage Sheri
- Shares
- 74.93K
- % company
- 0.17%
- Price
- $87.72
- Value
- $6,572,596
Filed Jun 4, 2026
Savage Sheri
- Shares
- 75.32K
- % company
- 0.17%
- Price
- $85.54
- Value
- $6,442,787
Filed Jun 4, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 66.48K | $91.75 | $6,099,173 | Jun 4, 2026 |
| 2 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 66.74K | $90.99 | $6,072,309 | Jun 4, 2026 |
| 3 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 68.44K | $89.95 | $6,156,358 | Jun 4, 2026 |
| 4 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 69.29K | $89.10 | $6,174,095 | Jun 4, 2026 |
| 5 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 70.72K | $88.16 | $6,234,940 | Jun 4, 2026 |
| 6 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 72.15K | $87.07 | $6,282,275 | Jun 4, 2026 |
| 7 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 72.64K | $91.68 | $6,659,635 | Jun 4, 2026 |
| 8 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 72.81K | $90.86 | $6,615,607 | Jun 4, 2026 |
| 9 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 73.57K | $89.73 | $6,601,795 | Jun 4, 2026 |
| 10 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 74.02K | $88.75 | $6,569,275 | Jun 4, 2026 |
| 11 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 74.93K | $87.72 | $6,572,596 | Jun 4, 2026 |
| 12 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 75.32K | $85.54 | $6,442,787 | Jun 4, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest UCTT shareholders?
BLACKROCK is the largest institutional holder of UCTT, with 6.83 million shares, or about 15.26% of shares outstanding. Additional institutions are ranked by reported share count.
What is institutional ownership of UCTT?
Ultra Clean Holdings Inc (UCTT) has 120 institutional holders on file — 88 that increased or initiated positions and 29 that reduced them, as of the latest filing on Mar 31, 2026.
Where can I see Ultra Clean Holdings Inc insider transactions?
Ultra Clean Holdings Inc (UCTT) has 120 Form 4 insider transactions on file, most recently on Jun 4, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are UCTT insiders buying or selling?
Recent UCTT insider activity reads Net selling: 83 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active UCTT insider?
Savage Sheri is the most active UCTT insider by absolute share movement, with 3.45 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.