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 $6.59B 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
- 46.8M
- +1.80M (+4.0%) vs. Q1 2026
- Total value
- $6.59B
- +$3.80B (+136.1%) vs. Q1 2026
- New holders
- 145
- 97 more added
- Sold out
- 32
- 162 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 | $6.59B |
| Q1 2026 | 331 | $2.80B |
| Q4 2025 | 238 | $1.08B |
| Q3 2025 | 242 | $1.16B |
| Q2 2025 | 231 | $956.3M |
| Q1 2025 | 228 | $894.2M |
| Q4 2024 | 233 | $1.49B |
| Q3 2024 | 250 | $1.63B |
| Q2 2024 | 217 | $2.03B |
| Q1 2024 | 204 | $1.94B |
| Q4 2023 | 195 | $1.41B |
| Q3 2023 | 205 | $1.19B |
| Q2 2023 | 200 | $1.54B |
| Q1 2023 | 204 | $1.33B |
| Q4 2022 | 221 | $1.33B |
| Q3 2022 | 213 | $1.03B |
| Q2 2022 | 235 | $1.15B |
| Q1 2022 | 264 | $1.60B |
| Q4 2021 | 275 | $2.16B |
| Q3 2021 | 239 | $1.59B |
| Q2 2021 | 263 | $2.06B |
| Q1 2021 | 240 | $2.07B |
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,919,992 | $986.7M | 0.01% | +87,373+1.3% | Added |
| Invesco Ltd. | 3,124,839 | $445.6M | 0.04% | +1,464,890+88.2% | Added |
| Vanguard Portfolio Management LLC | 2,757,438 | $393.2M | 0.02% | −44,812−1.6% | Reduced |
| Capital World Investors | 2,580,132 | $367.9M | 0.04% | +2,580,132 | New |
| Vanguard Capital Management LLC | 1,909,026 | $272.2M | 0.01% | −7,475−0.4% | Reduced |
| State Street Corp | 1,802,261 | $257.0M | 0.01% | −35,563−1.9% | Reduced |
| Boston Partners | 1,360,211 | $191.9M | 0.17% | −108,667−7.4% | Reduced |
| Geode Capital Management, LLC | 1,317,631 | $187.9M | 0.01% | +176,851+15.5% | Added |
| Driehaus Capital Management LLC | 1,309,202 | $186.7M | 1.08% | +246,826+23.2% | Added |
| Dimensional Fund Advisors LP | 949,354 | $135.3M | 0.02% | −62,424−6.2% | Reduced |
| Charles Schwab Investment Management Inc | 739,967 | $105.5M | 0.01% | −100,489−12.0% | Reduced |
| First Eagle Investment Management, LLC | 695,860 | $99.2M | 0.08% | +261,760+60.3% | Added |
| Frontier Capital Management Co LLC | 667,532 | $95.2M | 0.89% | −1,119,919−62.7% | Reduced |
| Royce & Associates LP | 666,496 | $95.0M | 0.77% | −93,001−12.2% | Reduced |
| Oberweis Asset Management Inc | 647,276 | $92.3M | 1.91% | +6,800+1.1% | Added |
| Nomura Asset Management International Inc. | 624,028 | $89.0M | 0.13% | +211,329+51.2% | Added |
| D. E. Shaw & Co., Inc. | 619,802 | $88.4M | 0.05% | −563,455−47.6% | Reduced |
| Two Sigma Investments, LP | 609,851 | $87.0M | 0.07% | +28,720+4.9% | Added |
| Paradigm Capital Management Inc | 608,200 | $86.7M | 2.36% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 556,332 | $79.3M | 0.05% | +414,898+293.4% | Added |
| Morgan Stanley | 549,240 | $78.3M | 0.00% | −362,460−39.8% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 492,608 | $70.2M | 0.19% | +17,535+3.7% | Added |
| Northern Trust Corp | 491,504 | $70.1M | 0.01% | +33,362+7.3% | Added |
| Bank of America Corp | 425,191 | $60.6M | 0.00% | −28,829−6.3% | Reduced |
| Pinnacle Associates Ltd | 399,934 | $57.0M | 0.62% | −41,725−9.4% | Reduced |
| Millennium Management LLC | 388,205 | $55.4M | 0.04% | −297,231−43.4% | Reduced |
| BNP Paribas Arbitrage, SA | 373,497 | $53.3M | 0.03% | +49,621+15.3% | Added |
| Franklin Resources Inc | 356,678 | $50.9M | 0.01% | +339,734+2,005.0% | Added |
| Wells Fargo & Company | 348,875 | $49.7M | 0.01% | +177,273+103.3% | Added |
| Alliancebernstein L.P. | 793,936 | $49.4M | 0.02% | +736,754+1,288.4% | Added |
| Goldman Sachs Group Inc | 345,842 | $49.3M | 0.01% | −157,486−31.3% | Reduced |
| Vanguard Fiduciary Trust Co | 318,922 | $45.5M | 0.01% | +26,132+8.9% | Added |
| Russell Investments Group, Ltd. | 303,078 | $43.2M | 0.04% | −56,867−15.8% | Reduced |
| ION Fund Management Ltd | 298,000 | $42.5M | 5.03% | −51,852−14.8% | Reduced |
| UBS Group AG | 293,674 | $41.9M | 0.01% | −57,622−16.4% | Reduced |
| Allspring Global Investments Holdings, LLC | 315,916 | $40.9M | 0.06% | +157,660+99.6% | Added |
| T. Rowe Price Investment Management, Inc. | 283,667 | $40.4M | 0.03% | +283,667 | New |
| Bank of New York Mellon Corp | 270,278 | $38.5M | 0.01% | −173,375−39.1% | Reduced |
| Goodman Financial Corp | 223,163 | $31.8M | 4.92% | −87,941−28.3% | Reduced |
| Next Century Growth Investors LLC | 220,115 | $31.4M | 1.66% | −60,428−21.5% | Reduced |
| Prudential Financial Inc | 219,241 | $31.3M | 0.03% | −2,245−1.0% | Reduced |
| Principal Financial Group Inc | 219,149 | $31.2M | 0.02% | −1,501−0.7% | Reduced |
| Nuveen, LLC | 217,849 | $31.1M | 0.01% | +123,978+132.1% | Added |
| Wealth High Governance Asset Management Ltda. | 217,157 | $31.0M | 3.30% | +217,157 | New |
| Public Sector Pension Investment Board | 212,256 | $30.3M | 0.08% | −65,095−23.5% | Reduced |
| AQR Capital Management LLC | 210,149 | $30.0M | 0.01% | +31,367+17.5% | Added |
| Loomis Sayles & Co L P | 203,538 | $29.0M | 0.04% | −27,520−11.9% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 193,365 | $27.6M | 0.04% | +133,365+222.3% | Added |
| JPMorgan Chase & Co | 208,456 | $27.5M | 0.00% | −127,907−38.0% | Reduced |
| Munro Partners | 183,547 | $26.2M | 0.59% | +183,547 | New |
| Federated Hermes, Inc. | 167,006 | $23.8M | 0.03% | −5,100−3.0% | Reduced |
| Divisar Capital Management LLC | 155,653 | $22.2M | 5.11% | −264,396−62.9% | Reduced |
| Marshall Wace, LLP | 144,176 | $20.6M | 0.02% | −115,676−44.5% | Reduced |
| Dana Investment Advisors, Inc. | 142,420 | $20.3M | 0.53% | −107,016−42.9% | Reduced |
| MetLife Investment Management | 141,753 | $20.2M | 0.09% | −126,118−47.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 133,205 | $19.0M | 0.03% | +26,996+25.4% | Added |
| Newbrook Capital Advisors LP | 127,881 | $18.2M | 2.46% | +127,881 | New |
| Bessemer Group Inc | 122,561 | $17.5M | 0.02% | +122,054+24,073.8% | Added |
| Silvercrest Asset Management Group LLC | 120,066 | $17.1M | 0.11% | −5,858−4.7% | Reduced |
| Toronto Dominion Bank | 118,065 | $16.8M | 0.03% | −11,798−9.1% | Reduced |
| Rhumbline Advisers | 110,452 | $15.7M | 0.01% | −17,251−13.5% | Reduced |
| Barclays PLC | 110,426 | $15.7M | 0.00% | −2,253−2.0% | Reduced |
| UBS Asset Management Americas Inc | 105,799 | $15.1M | 0.00% | +1,214+1.2% | Added |
| Deutsche Bank AG | 105,312 | $15.0M | 0.00% | +7,846+8.0% | Added |
| Legal & General Group Plc | 105,062 | $15.0M | 0.00% | +1,252+1.2% | Added |
| Redwood Grove Capital, LLC | 101,458 | $14.5M | 3.67% | −60,900−37.5% | Reduced |
| Winton Group Ltd | 97,320 | $13.9M | 0.45% | −6,920−6.6% | Reduced |
| Castleark Management LLC | 95,770 | $13.7M | 0.37% | −4,360−4.4% | Reduced |
| CloudAlpha Capital Management Limited/Hong Kong | 91,971 | $13.1M | 1.29% | +91,971 | New |
| Renaissance Technologies LLC | 91,900 | $13.1M | 0.02% | +91,900 | New |
| Swiss National Bank | 89,000 | $12.7M | 0.01% | −800−0.9% | Reduced |
| Citigroup Inc | 87,844 | $12.5M | 0.01% | −139,660−61.4% | Reduced |
| Walleye Capital LLC | 85,088 | $12.1M | 0.06% | −2,365−2.7% | 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 |
| Citadel Advisors LLC | 82,499 | $11.8M | 0.01% | −56,724−40.7% | Reduced |
| Ameriprise Financial Inc | 74,103 | $10.6M | 0.00% | −178,264−70.6% | Reduced |
| First Sabrepoint Capital Management LP | 70,000 | $9.98M | 4.27% | −55,000−44.0% | Reduced |
| Brevan Howard Capital Management LP | 68,707 | $9.80M | 0.14% | +60,936+784.1% | Added |
| Raymond James Financial Inc | 66,081 | $9.42M | 0.00% | −32,308−32.8% | Reduced |
| KR Capital LP | 64,750 | $9.23M | 0.92% | +64,750 | New |
| New York State Common Retirement Fund | 63,811 | $9.10M | 0.01% | −2,078−3.2% | Reduced |
| Point72 Asset Management, L.P. | 62,439 | $8.90M | 0.01% | +62,439 | New |
| Calamos Advisors LLC | 61,129 | $8.72M | 0.03% | −28,740−32.0% | Reduced |
| Price T Rowe Associates Inc | 60,820 | $8.67M | 0.00% | +8,735+16.8% | Added |
| Nicholas Investment Partners, LP | 60,338 | $8.60M | 0.48% | +25,486+73.1% | Added |
| Wellington Management Group LLP | 53,796 | $7.67M | 0.00% | +53,796 | New |
| Segall Bryant & Hamill, LLC | 52,578 | $7.50M | 0.09% | +52,578 | New |
| California State Teachers Retirement System | 51,292 | $7.31M | 0.01% | −351−0.7% | Reduced |
| Bridge City Capital, LLC | 51,065 | $7.28M | 1.66% | −30,161−37.1% | Reduced |
| Fifth Third Bancorp | 50,328 | $7.18M | 0.01% | −34,142−40.4% | Reduced |
| Emerald Investment Advisers, LLC | 49,855 | $7.11M | 0.47% | +49,855 | New |
| Credit Agricole S A | 48,000 | $6.84M | 0.02% | +20,000+71.4% | Added |
| Grace & White Inc | 47,550 | $6.78M | 1.07% | −62,400−56.8% | Reduced |
| Lisanti Capital Growth, LLC | 46,285 | $6.60M | 1.45% | −13,550−22.6% | Reduced |
| Creative Planning | 44,967 | $6.41M | 0.00% | +6,648+17.3% | Added |
| Concurrent Investment Advisors, LLC | 44,828 | $6.39M | 0.05% | +38,515+610.1% | Added |
| G2 Investment Partners Management LLC | 44,700 | $6.37M | 1.16% | −136,241−75.3% | Reduced |
| Tudor Investment Corp Et Al | 44,249 | $6.31M | 0.03% | +6,680+17.8% | Added |
| Cramer Rosenthal McGlynn LLC | 43,347 | $6.18M | 0.31% | −50,918−54.0% | Reduced |