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 |
|---|---|---|---|---|---|
| Insight Wealth Strategies, LLC | 47,463 | $6.15M | 0.60% | +47,463 | New |
| Ci Investments Inc. | 43,135 | $6.15M | 0.02% | +43,135 | New |
| ExodusPoint Capital Management, LP | 41,767 | $5.96M | 0.06% | −10,295−19.8% | Reduced |
| Legato Capital Management LLC | 41,719 | $5.95M | 0.49% | +2,808+7.2% | Added |
| Bank of Montreal | 41,671 | $5.94M | 0.00% | −25,546−38.0% | Reduced |
| EAM Investors, LLC | 41,163 | $5.87M | 0.52% | −640−1.5% | Reduced |
| Union Bancaire Privee, UBP SA | 55,316 | $5.85M | 0.09% | +55,316 | New |
| Victory Capital Management Inc | 40,296 | $5.75M | 0.00% | +11,617+40.5% | Added |
| SEI Investments Co | 37,259 | $5.31M | 0.00% | −40,724−52.2% | Reduced |
| Great West Life Assurance Co | 37,115 | $5.29M | 0.01% | −1,920−4.9% | Reduced |
| Teton Advisors, LLC | 36,700 | $5.23M | 3.02% | −5,300−12.6% | Reduced |
| Pathstone Holdings, LLC | 34,444 | $4.91M | 0.01% | −4,146−10.7% | Reduced |
| Vanguard Asset Management, Ltd | 34,319 | $4.89M | 0.00% | +4,600+15.5% | Added |
| Royal Bank of Canada | 30,878 | $4.40M | 0.00% | +3,092+11.1% | Added |
| New York State Teachers Retirement System | 30,169 | $4.30M | 0.01% | +1,578+5.5% | Added |
| Neo Ivy Capital Management | 30,113 | $4.29M | 0.99% | +30,113 | New |
| Thrivent Financial for Lutherans | 29,437 | $4.20M | 0.01% | −858−2.8% | Reduced |
| American Century Companies Inc | 28,675 | $4.09M | 0.00% | −94,496−76.7% | Reduced |
| Diker Management LLC | 27,000 | $3.85M | 2.96% | 00.0% | Unchanged |
| Longaeva Partners L.P. | 26,305 | $3.75M | 0.11% | −18,699−41.5% | Reduced |
| Envestnet Asset Management Inc | 26,029 | $3.71M | 0.00% | −1,945−7.0% | Reduced |
| Caxton Associates LLP | 25,937 | $3.70M | 0.07% | +1,960+8.2% | Added |
| Bleakley Financial Group, LLC | 25,769 | $3.67M | 0.05% | +25,769 | New |
| Lazard Asset Management LLC | 25,262 | $3.60M | 0.01% | +25,262 | New |
| Portolan Capital Management, LLC | 24,831 | $3.54M | 0.13% | −8,869−26.3% | Reduced |
| Boothbay Fund Management, LLC | 24,398 | $3.48M | 0.07% | −20,186−45.3% | Reduced |
| Janney Montgomery Scott LLC | 24,289 | $3.46M | 0.01% | +6,908+39.7% | Added |
| LPL Financial LLC | 24,169 | $3.45M | 0.00% | +5,309+28.1% | Added |
| IMC-Chicago, LLC | 23,709 | $3.38M | 0.03% | +23,709 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 23,119 | $3.30M | 0.01% | +2,558+12.4% | Added |
| ProShare Advisors LLC | 22,857 | $3.26M | 0.00% | +11,111+94.6% | Added |
| Weiss Asset Management LP | 22,854 | $3.26M | 0.04% | +22,854 | New |
| Manufacturers Life Insurance Company, The | 22,592 | $3.22M | 0.00% | +2,752+13.9% | Added |
| Illinois Municipal Retirement Fund | 22,582 | $3.22M | 0.04% | −1,926−7.9% | Reduced |
| Quantinno Capital Management LP | 22,186 | $3.16M | 0.00% | −1,948−8.1% | Reduced |
| New Age Alpha Advisors, LLC | 21,695 | $3.09M | 0.13% | +21,695 | New |
| Vanguard Global Advisers, LLC | 21,518 | $3.07M | 0.00% | +2,325+12.1% | Added |
| Susquehanna International Group, LLP | 21,264 | $3.03M | 0.00% | −14,381−40.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 20,632 | $2.94M | 0.00% | −328−1.6% | Reduced |
| Trexquant Investment LP | 20,081 | $2.86M | 0.02% | −13,459−40.1% | Reduced |
| Gabelli Funds LLC | 20,000 | $2.85M | 0.02% | −10,000−33.3% | Reduced |
| Louisiana State Employees Retirement System | 19,600 | $2.79M | 0.04% | −500−2.5% | Reduced |
| Jupiter Topco LLC | 19,373 | $2.76M | 0.00% | +19,373 | New |
| XTX Topco Ltd | 19,322 | $2.76M | 0.04% | −14,355−42.6% | Reduced |
| State of Tennessee, Treasury Department | 18,859 | $2.69M | 0.01% | −3,685−16.3% | Reduced |
| CastleKnight Management LP | 18,700 | $2.67M | 0.10% | +2,500+15.4% | Added |
| Toroso Investments, LLC | 17,373 | $2.48M | 0.01% | +5,544+46.9% | Added |
| Massar Capital Management, LP | 17,298 | $2.47M | 0.85% | +17,298 | New |
| State of Alaska, Department of Revenue | 16,640 | $2.37M | 0.02% | −7,642−31.5% | Reduced |
| Stifel Financial Corp | 16,541 | $2.36M | 0.00% | +5,334+47.6% | Added |
| Cookson Peirce & Co Inc | 16,257 | $2.32M | 0.08% | +16,257 | New |
| Handelsbanken Fonder AB | 16,100 | $2.30M | 0.01% | −2,400−13.0% | Reduced |
| Voya Investment Management LLC | 15,833 | $2.26M | 0.00% | +8,128+105.5% | Added |
| Advisor Group Holdings, Inc. | 15,401 | $2.20M | 0.00% | +8,702+129.9% | Added |
| Intech Investment Management LLC | 15,150 | $2.16M | 0.02% | −26,353−63.5% | Reduced |
| Captrust Financial Advisors | 14,453 | $2.06M | 0.00% | −2,472−14.6% | Reduced |
| State of New Jersey Common Pension Fund D | 14,341 | $2.04M | 0.01% | +14,341 | New |
| Vident Advisory, LLC | 14,325 | $2.04M | 0.02% | +6,127+74.7% | Added |
| Thoroughbred Financial Services, LLC | 14,055 | $2.00M | 0.10% | +14,055 | New |
| GTS Securities LLC | 14,046 | $2.00M | 0.04% | +14,046 | New |
| HRT Financial LP | 14,010 | $2.00M | 0.00% | +8,571+157.6% | Added |
| FMR LLC | 13,448 | $1.92M | 0.00% | −471−3.4% | Reduced |
| Jupiter Asset Management Ltd | 13,300 | $1.90M | 0.01% | +13,300 | New |
| Police & Firemen's Retirement System of New Jersey | 13,271 | $1.89M | 0.01% | +935+7.6% | Added |
| Fourier Capital Management Ltd | 12,956 | $1.85M | 2.89% | +12,956 | New |
| Lombard Odier Asset Management (Europe) Ltd | 12,851 | $1.83M | 0.08% | −38,564−75.0% | Reduced |
| State Board of Administration of Florida Retirement System | 12,698 | $1.81M | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 12,567 | $1.79M | 0.01% | +12,567 | New |
| Arizona State Retirement System | 12,238 | $1.75M | 0.01% | −228−1.8% | Reduced |
| Yousif Capital Management, LLC | 12,103 | $1.73M | 0.02% | +10.0% | Added |
| Amalgamated Bank | 12,045 | $1.72M | 0.01% | −1,000−7.7% | Reduced |
| Formula Growth Ltd | 11,900 | $1.70M | 0.60% | +11,900 | New |
| Martingale Asset Management L P | 11,729 | $1.67M | 0.04% | −19,393−62.3% | Reduced |
| Vanguard Investments Australia, Ltd. | 11,688 | $1.67M | 0.00% | −379−3.1% | Reduced |
| Engineers Gate Manager LP | 11,556 | $1.65M | 0.02% | +2,656+29.8% | Added |
| Teachers Retirement System of the State of Kentucky | 11,346 | $1.62M | 0.01% | 00.0% | Unchanged |
| Motley Fool Asset Management LLC | 11,288 | $1.61M | 0.06% | −12,112−51.8% | Reduced |
| Entropy Technologies, LP | 11,110 | $1.58M | 0.06% | +1,984+21.7% | Added |
| Vinva Investment Management Ltd | 8,117 | $1.54M | 0.01% | −1,146−12.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 10,630 | $1.52M | 0.01% | −594−5.3% | Reduced |
| Argent Capital Management LLC | 10,304 | $1.47M | 0.05% | +10,304 | New |
| Atria Investments LLC | 10,163 | $1.45M | 0.01% | +1,014+11.1% | Added |
| Oregon Public Employees Retirement Fund | 10,139 | $1.45M | 0.02% | −200−1.9% | Reduced |
| Cresset Asset Management, LLC | 10,060 | $1.43M | 0.01% | −10.0% | Reduced |
| KLP Kapitalforvaltning AS | 9,900 | $1.41M | 0.00% | 00.0% | Unchanged |
| Lido Advisors, LLC | 9,750 | $1.39M | 0.00% | +9,750 | New |
| First Trust Advisors LP | 9,693 | $1.38M | 0.00% | +3,627+59.8% | Added |
| TD Asset Management Inc | 9,518 | $1.36M | 0.00% | +9,518 | New |
| Counterpoint Mutual Funds LLC | 9,055 | $1.29M | 0.13% | −5,695−38.6% | Reduced |
| Jain Global LLC | 8,962 | $1.28M | 0.02% | +8,962 | New |
| Gallagher Fiduciary Advisors, LLC | 8,779 | $1.25M | 0.04% | −142−1.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 8,771 | $1.25M | 0.00% | −16,420−65.2% | Reduced |
| Simplex Trading, LLC | 8,705 | $1.24M | 0.03% | +3,495+67.1% | Added |
| JustInvest LLC | 8,616 | $1.23M | 0.01% | +1,126+15.0% | Added |
| Sona Asset Management (US) LLC | 8,548 | $1.22M | 0.05% | +8,548 | New |
| Cerity Partners LLC | 8,511 | $1.21M | 0.00% | −641−7.0% | Reduced |
| Summit Global Investments | 8,487 | $1.21M | 0.07% | +172+2.1% | Added |
| Ethic Inc. | 8,293 | $1.18M | 0.01% | −576−6.5% | Reduced |
| Quantbot Technologies LP | 8,237 | $1.17M | 0.05% | −406−4.7% | Reduced |
| Mercer Global Advisors Inc | 7,847 | $1.12M | 0.00% | −221−2.7% | Reduced |