Ultra Clean Holdings, Inc.
UCTT- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001275014
In the last 90 days, Ultra Clean Holdings, Inc. insiders filed 0 open-market purchases and 1 sale; 438 institutions reported holding it in 13F filings for Q2 2026, worth $6.50B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Ultra Clean Holdings, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 438
- +113 vs. Q1 2026
- Shares held
- 46.1M
- +1.17M (+2.6%) vs. Q1 2026
- Total value
- $6.50B
- +$3.71B (+132.9%) vs. Q1 2026
- New holders
- 145
- 96 more added
- Sold out
- 32
- 163 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting UCTT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 438 | $6.50B |
| Q1 2026 | 331 | $2.80B |
| Q4 2025 | 238 | $1.08B |
| Q3 2025 | 242 | $1.15B |
| Q2 2025 | 231 | $950.2M |
| Q1 2025 | 228 | $893.9M |
| Q4 2024 | 233 | $1.49B |
| Q3 2024 | 250 | $1.61B |
| Q2 2024 | 217 | $2.01B |
| Q1 2024 | 204 | $1.88B |
| Q4 2023 | 195 | $1.38B |
| Q3 2023 | 205 | $1.19B |
| Q2 2023 | 200 | $1.54B |
| Q1 2023 | 204 | $1.33B |
| Q4 2022 | 221 | $1.33B |
| Q3 2022 | 213 | $1.01B |
| Q2 2022 | 235 | $1.15B |
| Q1 2022 | 264 | $1.60B |
| Q4 2021 | 275 | $2.16B |
| Q3 2021 | 239 | $1.59B |
| Q2 2021 | 263 | $2.05B |
| Q1 2021 | 240 | $2.05B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Ultra Clean Holdings, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 21,264 | $3.03M | 0.00% | −14,381−40.3% | Reduced |
| Vanguard Global Advisers, LLC | 21,518 | $3.07M | 0.00% | +2,325+12.1% | Added |
| New Age Alpha Advisors, LLC | 21,695 | $3.09M | 0.13% | +21,695 | New |
| Quantinno Capital Management LP | 22,186 | $3.16M | 0.00% | −1,948−8.1% | Reduced |
| Illinois Municipal Retirement Fund | 22,582 | $3.22M | 0.04% | −1,926−7.9% | Reduced |
| Manufacturers Life Insurance Company, The | 22,592 | $3.22M | 0.00% | +2,752+13.9% | Added |
| Weiss Asset Management LP | 22,854 | $3.26M | 0.04% | +22,854 | New |
| ProShare Advisors LLC | 22,857 | $3.26M | 0.00% | +11,111+94.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 23,119 | $3.30M | 0.01% | +2,558+12.4% | Added |
| IMC-Chicago, LLC | 23,709 | $3.38M | 0.03% | +23,709 | New |
| LPL Financial LLC | 24,169 | $3.45M | 0.00% | +5,309+28.1% | Added |
| Janney Montgomery Scott LLC | 24,289 | $3.46M | 0.01% | +6,908+39.7% | Added |
| Boothbay Fund Management, LLC | 24,398 | $3.48M | 0.07% | −20,186−45.3% | Reduced |
| Portolan Capital Management, LLC | 24,831 | $3.54M | 0.13% | −8,869−26.3% | Reduced |
| Lazard Asset Management LLC | 25,262 | $3.60M | 0.01% | +25,262 | New |
| Bleakley Financial Group, LLC | 25,769 | $3.67M | 0.05% | +25,769 | New |
| Caxton Associates LLP | 25,937 | $3.70M | 0.07% | +1,960+8.2% | Added |
| Envestnet Asset Management Inc | 26,029 | $3.71M | 0.00% | −1,945−7.0% | Reduced |
| Longaeva Partners L.P. | 26,305 | $3.75M | 0.11% | −18,699−41.5% | Reduced |
| Diker Management LLC | 27,000 | $3.85M | 2.96% | 00.0% | Unchanged |
| American Century Companies Inc | 28,675 | $4.09M | 0.00% | −94,496−76.7% | Reduced |
| Thrivent Financial for Lutherans | 29,437 | $4.20M | 0.01% | −858−2.8% | Reduced |
| Neo Ivy Capital Management | 30,113 | $4.29M | 0.99% | +30,113 | New |
| New York State Teachers Retirement System | 30,169 | $4.30M | 0.01% | +1,578+5.5% | Added |
| Royal Bank of Canada | 30,878 | $4.40M | 0.00% | +3,092+11.1% | Added |
| Vanguard Asset Management, Ltd | 34,319 | $4.89M | 0.00% | +4,600+15.5% | Added |
| Pathstone Holdings, LLC | 34,444 | $4.91M | 0.01% | −4,146−10.7% | Reduced |
| Teton Advisors, LLC | 36,700 | $5.23M | 3.02% | −5,300−12.6% | Reduced |
| Great West Life Assurance Co | 37,115 | $5.29M | 0.01% | −1,920−4.9% | Reduced |
| SEI Investments Co | 37,259 | $5.31M | 0.00% | −40,724−52.2% | Reduced |
| Victory Capital Management Inc | 40,296 | $5.75M | 0.00% | +11,617+40.5% | Added |
| Union Bancaire Privee, UBP SA | 55,316 | $5.85M | 0.09% | +55,316 | New |
| EAM Investors, LLC | 41,163 | $5.87M | 0.52% | −640−1.5% | Reduced |
| Bank of Montreal | 41,671 | $5.94M | 0.00% | −25,546−38.0% | Reduced |
| Legato Capital Management LLC | 41,719 | $5.95M | 0.49% | +2,808+7.2% | Added |
| ExodusPoint Capital Management, LP | 41,767 | $5.96M | 0.06% | −10,295−19.8% | Reduced |
| Ci Investments Inc. | 43,135 | $6.15M | 0.02% | +43,135 | New |
| Insight Wealth Strategies, LLC | 47,463 | $6.15M | 0.60% | +47,463 | New |
| Cramer Rosenthal McGlynn LLC | 43,347 | $6.18M | 0.31% | −50,918−54.0% | Reduced |
| Tudor Investment Corp Et Al | 44,249 | $6.31M | 0.03% | +6,680+17.8% | Added |
| G2 Investment Partners Management LLC | 44,700 | $6.37M | 1.16% | −136,241−75.3% | Reduced |
| Concurrent Investment Advisors, LLC | 44,828 | $6.39M | 0.05% | +38,515+610.1% | Added |
| Creative Planning | 44,967 | $6.41M | 0.00% | +6,648+17.3% | Added |
| Lisanti Capital Growth, LLC | 46,285 | $6.60M | 1.45% | −13,550−22.6% | Reduced |
| Grace & White Inc | 47,550 | $6.78M | 1.07% | −62,400−56.8% | Reduced |
| Credit Agricole S A | 48,000 | $6.84M | 0.02% | +20,000+71.4% | Added |
| Emerald Investment Advisers, LLC | 49,855 | $7.11M | 0.47% | +49,855 | New |
| Fifth Third Bancorp | 50,328 | $7.18M | 0.01% | −34,142−40.4% | Reduced |
| Bridge City Capital, LLC | 51,065 | $7.28M | 1.66% | −30,161−37.1% | Reduced |
| California State Teachers Retirement System | 51,292 | $7.31M | 0.01% | −351−0.7% | Reduced |
| Segall Bryant & Hamill, LLC | 52,578 | $7.50M | 0.09% | +52,578 | New |
| Wellington Management Group LLP | 53,796 | $7.67M | 0.00% | +53,796 | New |
| Nicholas Investment Partners, LP | 60,338 | $8.60M | 0.48% | +25,486+73.1% | Added |
| Price T Rowe Associates Inc | 60,820 | $8.67M | 0.00% | +8,735+16.8% | Added |
| Calamos Advisors LLC | 61,129 | $8.72M | 0.03% | −28,740−32.0% | Reduced |
| Point72 Asset Management, L.P. | 62,439 | $8.90M | 0.01% | +62,439 | New |
| New York State Common Retirement Fund | 63,811 | $9.10M | 0.01% | −2,078−3.2% | Reduced |
| KR Capital LP | 64,750 | $9.23M | 0.92% | +64,750 | New |
| Raymond James Financial Inc | 66,081 | $9.42M | 0.00% | −32,308−32.8% | Reduced |
| Brevan Howard Capital Management LP | 68,707 | $9.80M | 0.14% | +60,936+784.1% | Added |
| First Sabrepoint Capital Management LP | 70,000 | $9.98M | 4.27% | −55,000−44.0% | Reduced |
| Ameriprise Financial Inc | 74,103 | $10.6M | 0.00% | −178,264−70.6% | Reduced |
| Citadel Advisors LLC | 82,499 | $11.8M | 0.01% | −56,724−40.7% | Reduced |
| BW Gestao de Investimentos Ltda. | 82,843 | $11.8M | 0.28% | +82,843 | New |
| Wealth High Governance Capital Ltda | 82,843 | $11.8M | 3.53% | +82,843 | New |
| Walleye Capital LLC | 85,088 | $12.1M | 0.06% | −2,365−2.7% | Reduced |
| Citigroup Inc | 87,844 | $12.5M | 0.01% | −139,660−61.4% | Reduced |
| Swiss National Bank | 89,000 | $12.7M | 0.01% | −800−0.9% | Reduced |
| Renaissance Technologies LLC | 91,900 | $13.1M | 0.02% | +91,900 | New |
| CloudAlpha Capital Management Limited/Hong Kong | 91,971 | $13.1M | 1.29% | +91,971 | New |
| Castleark Management LLC | 95,770 | $13.7M | 0.37% | −4,360−4.4% | Reduced |
| Winton Group Ltd | 97,320 | $13.9M | 0.45% | −6,920−6.6% | Reduced |
| Redwood Grove Capital, LLC | 101,458 | $14.5M | 3.67% | −60,900−37.5% | Reduced |
| Legal & General Group Plc | 105,062 | $15.0M | 0.00% | +1,252+1.2% | Added |
| Deutsche Bank AG | 105,312 | $15.0M | 0.00% | +7,846+8.0% | Added |
| UBS Asset Management Americas Inc | 105,799 | $15.1M | 0.00% | +1,214+1.2% | Added |
| Barclays PLC | 110,426 | $15.7M | 0.00% | −2,253−2.0% | Reduced |
| Rhumbline Advisers | 110,452 | $15.7M | 0.01% | −17,251−13.5% | Reduced |
| Toronto Dominion Bank | 118,065 | $16.8M | 0.03% | −11,798−9.1% | Reduced |
| Silvercrest Asset Management Group LLC | 120,066 | $17.1M | 0.11% | −5,858−4.7% | Reduced |
| Bessemer Group Inc | 122,561 | $17.5M | 0.02% | +122,054+24,073.8% | Added |
| Newbrook Capital Advisors LP | 127,881 | $18.2M | 2.46% | +127,881 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 133,205 | $19.0M | 0.03% | +26,996+25.4% | Added |
| MetLife Investment Management | 141,753 | $20.2M | 0.09% | −126,118−47.1% | Reduced |
| Dana Investment Advisors, Inc. | 142,420 | $20.3M | 0.53% | −107,016−42.9% | Reduced |
| Marshall Wace, LLP | 144,176 | $20.6M | 0.02% | −115,676−44.5% | Reduced |
| Divisar Capital Management LLC | 155,653 | $22.2M | 5.11% | −264,396−62.9% | Reduced |
| Federated Hermes, Inc. | 167,006 | $23.8M | 0.03% | −5,100−3.0% | Reduced |
| Munro Partners | 183,547 | $26.2M | 0.59% | +183,547 | New |
| JPMorgan Chase & Co | 208,456 | $27.5M | 0.00% | −127,907−38.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 193,365 | $27.6M | 0.04% | +133,365+222.3% | Added |
| Loomis Sayles & Co L P | 203,538 | $29.0M | 0.04% | −27,520−11.9% | Reduced |
| AQR Capital Management LLC | 210,149 | $30.0M | 0.01% | +31,367+17.5% | Added |
| Public Sector Pension Investment Board | 212,256 | $30.3M | 0.08% | −65,095−23.5% | Reduced |
| Wealth High Governance Asset Management Ltda. | 217,157 | $31.0M | 3.30% | +217,157 | New |
| Nuveen, LLC | 217,849 | $31.1M | 0.01% | +123,978+132.1% | Added |
| Principal Financial Group Inc | 219,149 | $31.2M | 0.02% | −1,501−0.7% | Reduced |
| Prudential Financial Inc | 219,241 | $31.3M | 0.03% | −2,245−1.0% | Reduced |
| Next Century Growth Investors LLC | 220,115 | $31.4M | 1.66% | −60,428−21.5% | Reduced |
| Goodman Financial Corp | 223,163 | $31.8M | 4.92% | −87,941−28.3% | Reduced |