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 |
|---|---|---|---|---|---|
| Bank of New York Mellon Corp | 270,278 | $38.5M | 0.01% | −173,375−39.1% | Reduced |
| Assenagon Asset Management S.A. | 278,166 | $39.7M | 0.05% | +136,732+96.7% | Added |
| T. Rowe Price Investment Management, Inc. | 283,667 | $40.4M | 0.03% | +283,667 | New |
| Allspring Global Investments Holdings, LLC | 315,916 | $40.9M | 0.06% | +157,660+99.6% | Added |
| UBS Group AG | 293,674 | $41.9M | 0.01% | −57,622−16.4% | Reduced |
| ION Fund Management Ltd | 298,000 | $42.5M | 5.03% | −51,852−14.8% | Reduced |
| Russell Investments Group, Ltd. | 303,078 | $43.2M | 0.04% | −56,867−15.8% | Reduced |
| Vanguard Fiduciary Trust Co | 318,922 | $45.5M | 0.01% | +26,132+8.9% | Added |
| Goldman Sachs Group Inc | 345,842 | $49.3M | 0.01% | −157,486−31.3% | Reduced |
| Alliancebernstein L.P. | 793,936 | $49.4M | 0.02% | +736,754+1,288.4% | Added |
| First Eagle Investment Management, LLC | 347,930 | $49.6M | 0.08% | −86,170−19.9% | Reduced |
| Wells Fargo & Company | 348,875 | $49.7M | 0.01% | +177,273+103.3% | Added |
| Franklin Resources Inc | 356,678 | $50.9M | 0.01% | +339,734+2,005.0% | Added |
| BNP Paribas Arbitrage, SA | 373,497 | $53.3M | 0.03% | +49,621+15.3% | Added |
| Millennium Management LLC | 388,205 | $55.4M | 0.04% | −297,231−43.4% | Reduced |
| Pinnacle Associates Ltd | 399,934 | $57.0M | 0.62% | −41,725−9.4% | Reduced |
| Bank of America Corp | 425,191 | $60.6M | 0.00% | −28,829−6.3% | Reduced |
| Northern Trust Corp | 491,504 | $70.1M | 0.01% | +33,362+7.3% | Added |
| Fuller & Thaler Asset Management, Inc. | 492,608 | $70.2M | 0.19% | +17,535+3.7% | Added |
| Morgan Stanley | 549,240 | $78.3M | 0.00% | −362,460−39.8% | Reduced |
| Paradigm Capital Management Inc | 608,200 | $86.7M | 2.36% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 609,851 | $87.0M | 0.07% | +28,720+4.9% | Added |
| D. E. Shaw & Co., Inc. | 619,802 | $88.4M | 0.05% | −563,455−47.6% | Reduced |
| Nomura Asset Management International Inc. | 624,028 | $89.0M | 0.13% | +211,329+51.2% | Added |
| Oberweis Asset Management Inc | 647,276 | $92.3M | 1.91% | +6,800+1.1% | Added |
| Royce & Associates LP | 666,496 | $95.0M | 0.77% | −93,001−12.2% | Reduced |
| Frontier Capital Management Co LLC | 667,532 | $95.2M | 0.89% | −1,119,919−62.7% | Reduced |
| Charles Schwab Investment Management Inc | 739,967 | $105.5M | 0.01% | −100,489−12.0% | Reduced |
| Dimensional Fund Advisors LP | 949,354 | $135.3M | 0.02% | −62,424−6.2% | Reduced |
| Driehaus Capital Management LLC | 1,309,202 | $186.7M | 1.08% | +246,826+23.2% | Added |
| Geode Capital Management, LLC | 1,317,631 | $187.9M | 0.01% | +176,851+15.5% | Added |
| Boston Partners | 1,360,211 | $191.9M | 0.17% | −108,667−7.4% | Reduced |
| State Street Corp | 1,802,261 | $257.0M | 0.01% | −35,563−1.9% | Reduced |
| Vanguard Capital Management LLC | 1,909,026 | $272.2M | 0.01% | −7,475−0.4% | Reduced |
| Capital World Investors | 2,580,132 | $367.9M | 0.04% | +2,580,132 | New |
| Vanguard Portfolio Management LLC | 2,757,438 | $393.2M | 0.02% | −44,812−1.6% | Reduced |
| Invesco Ltd. | 3,124,839 | $445.6M | 0.04% | +1,464,890+88.2% | Added |
| BlackRock, Inc. | 6,919,992 | $986.7M | 0.01% | +87,373+1.3% | Added |
| Cooper Creek Partners Management LLC | 0 | $0 | 0.00% | −586,773−100.0% | Sold out |
| SG Capital Management LLC | 0 | $0 | 0.00% | −165,185−100.0% | Sold out |
| Tyro Capital Management LLC | 0 | $0 | 0.00% | −119,133−100.0% | Sold out |
| Divisadero Street Capital Management, LP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| 4D Advisors, LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −66,453−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −56,429−100.0% | Sold out |
| Liontrust Investment Partners LLP | 0 | $0 | 0.00% | −38,773−100.0% | Sold out |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −27,300−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −22,563−100.0% | Sold out |
| Alpine Global Management, LLC | 0 | $0 | 0.00% | −18,124−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −15,700−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −15,379−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −11,760−100.0% | Sold out |
| AWM Investment Company, Inc. | 0 | $0 | 0.00% | −11,442−100.0% | Sold out |
| Prescott Group Capital Management, L.L.C. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Pacific Ridge Capital Partners, LLC | 0 | $0 | 0.00% | −9,172−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −8,584−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −6,700−100.0% | Sold out |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −6,315−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −6,312−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −5,200−100.0% | Sold out |
| Needham Investment Management LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −4,114−100.0% | Sold out |
| Moran Wealth Management, LLC | 0 | $0 | 0.00% | −3,997−100.0% | Sold out |
| Absolute Gestao de Investimentos Ltda. | 0 | $0 | 0.00% | −3,450−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −3,136−100.0% | Sold out |
| Nomura Asset Management Co Ltd | 0 | $0 | 0.00% | −490−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −286−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Anfield Capital Management, LLC | – | – | – | – | Not filed |
| Sapience Investments, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |