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, Q1 2026
Institutional positions in Ultra Clean Holdings, Inc. as of Mar 31, 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
- 331
- +97 vs. Q4 2025
- Shares held
- 45.0M
- +7.70M (+20.6%) vs. Q4 2025
- Total value
- $2.80B
- +$1.85B (+195.5%) vs. Q4 2025
- New holders
- 118
- 93 more added
- Sold out
- 21
- 84 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Ultra Clean Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pathstone Holdings, LLC | 38,590 | $2.40M | 0.01% | −45,391−54.0% | Reduced |
| Creative Planning | 38,319 | $2.38M | 0.00% | +9,185+31.5% | Added |
| Tudor Investment Corp Et Al | 37,569 | $2.34M | 0.01% | +37,569 | New |
| Susquehanna International Group, LLP | 35,645 | $2.22M | 0.00% | +13,586+61.6% | Added |
| Nicholas Investment Partners, LP | 34,852 | $2.17M | 0.16% | +34,852 | New |
| Portolan Capital Management, LLC | 33,700 | $2.10M | 0.11% | +33,700 | New |
| XTX Topco Ltd | 33,677 | $2.09M | 0.04% | +13,796+69.4% | Added |
| Trexquant Investment LP | 33,540 | $2.09M | 0.02% | −4,392−11.6% | Reduced |
| Skopos Labs, Inc. | 32,815 | $2.04M | 0.06% | +24,104+276.7% | Added |
| Martingale Asset Management L P | 31,122 | $1.94M | 0.05% | −15,433−33.2% | Reduced |
| Thrivent Financial for Lutherans | 30,295 | $1.88M | 0.00% | −892−2.9% | Reduced |
| Gabelli Funds LLC | 30,000 | $1.87M | 0.01% | +4,153+16.1% | Added |
| Vanguard Asset Management, Ltd | 29,719 | $1.85M | 0.00% | +29,719 | New |
| Victory Capital Management Inc | 28,679 | $1.78M | 0.00% | −6,521−18.5% | Reduced |
| New York State Teachers Retirement System | 28,591 | $1.78M | 0.00% | −1,478−4.9% | Reduced |
| Credit Agricole S A | 28,000 | $1.74M | 0.01% | +28,000 | New |
| Envestnet Asset Management Inc | 27,974 | $1.74M | 0.00% | −14,907−34.8% | Reduced |
| Royal Bank of Canada | 27,786 | $1.73M | 0.00% | +14,818+114.3% | Added |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 27,300 | $1.70M | 0.37% | +27,300 | New |
| Diker Management LLC | 27,000 | $1.68M | 1.50% | +27,000 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 25,191 | $1.57M | 0.00% | +3,803+17.8% | Added |
| Illinois Municipal Retirement Fund | 24,508 | $1.52M | 0.02% | +2,333+10.5% | Added |
| State of Alaska, Department of Revenue | 24,282 | $1.51M | 0.02% | −811−3.2% | Reduced |
| Quantinno Capital Management LP | 24,134 | $1.50M | 0.00% | +1,178+5.1% | Added |
| Caxton Associates LLP | 23,977 | $1.49M | 0.03% | +5,922+32.8% | Added |
| Motley Fool Asset Management LLC | 23,400 | $1.46M | 0.06% | +23,400 | New |
| Alliancebernstein L.P. | 57,182 | $1.45M | 0.00% | −4,053−6.6% | Reduced |
| Man Group plc | 22,563 | $1.40M | 0.00% | −110,178−83.0% | Reduced |
| State of Tennessee, Treasury Department | 22,544 | $1.40M | 0.00% | −1,013−4.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 20,960 | $1.30M | 0.00% | +223+1.1% | Added |
| Gsa Capital Partners LLP | 20,923 | $1.30M | 0.08% | +20,923 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 20,561 | $1.28M | 0.00% | +12,678+160.8% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 20,309 | $1.26M | 0.01% | +20,309 | New |
| Louisiana State Employees Retirement System | 20,100 | $1.25M | 0.02% | −700−3.4% | Reduced |
| Manufacturers Life Insurance Company, The | 19,840 | $1.23M | 0.00% | +1,230+6.6% | Added |
| Janus Henderson Group PLC | 19,373 | $1.20M | 0.00% | −4,300−18.2% | Reduced |
| Vanguard Global Advisers, LLC | 19,193 | $1.19M | 0.00% | +19,193 | New |
| LPL Financial LLC | 18,860 | $1.17M | 0.00% | −7,938−29.6% | Reduced |
| Handelsbanken Fonder AB | 18,500 | $1.15M | 0.00% | +4,100+28.5% | Added |
| Alpine Global Management, LLC | 18,124 | $1.13M | 0.17% | +18,124 | New |
| Janney Montgomery Scott LLC | 17,381 | $1.08M | 0.00% | −14,840−46.1% | Reduced |
| Franklin Resources Inc | 16,944 | $1.05M | 0.00% | −7,966−32.0% | Reduced |
| Captrust Financial Advisors | 16,925 | $1.05M | 0.00% | +16,925 | New |
| CastleKnight Management LP | 16,200 | $1.01M | 0.05% | −30,900−65.6% | Reduced |
| Quadrature Capital Ltd | 15,925 | $990.2K | 0.01% | +15,925 | New |
| Catalyst Funds Management Pty Ltd | 15,700 | $976.2K | 0.17% | +15,700 | New |
| Dynamic Technology Lab Private Ltd | 15,379 | $956.3K | 0.16% | +15,379 | New |
| Counterpoint Mutual Funds LLC | 14,750 | $917.2K | 0.14% | +14,750 | New |
| FMR LLC | 13,919 | $865.5K | 0.00% | +619+4.7% | Added |
| Amalgamated Bank | 13,045 | $811.0K | 0.01% | −138−1.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 12,681 | $800.9K | 0.00% | −544−4.1% | Reduced |
| State Board of Administration of Florida Retirement System | 12,698 | $789.6K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 12,466 | $775.1K | 0.00% | −180−1.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 12,336 | $767.1K | 0.01% | 00.0% | Unchanged |
| Vinva Investment Management Ltd | 9,263 | $755.2K | 0.01% | +9,263 | New |
| Yousif Capital Management, LLC | 12,102 | $752.5K | 0.01% | −88−0.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 12,067 | $750.3K | 0.00% | +12,067 | New |
| Toroso Investments, LLC | 11,829 | $735.5K | 0.00% | +11,829 | New |
| Voloridge Investment Management, LLC | 11,760 | $731.2K | 0.00% | −153,805−92.9% | Reduced |
| ProShare Advisors LLC | 11,746 | $730.4K | 0.00% | −1,745−12.9% | Reduced |
| AWM Investment Company, Inc. | 11,442 | $711.5K | 0.08% | −128,998−91.9% | Reduced |
| Pinnacle Wealth Management Advisory Group, LLC | 11,422 | $710.2K | 0.05% | +11,422 | New |
| Teachers Retirement System of the State of Kentucky | 11,346 | $706.0K | 0.01% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,224 | $697.9K | 0.00% | −12−0.1% | Reduced |
| Stifel Financial Corp | 11,207 | $696.9K | 0.00% | −4,215−27.3% | Reduced |
| CWM, LLC | 10,474 | $651.3K | 0.00% | +95+0.9% | Added |
| Oregon Public Employees Retirement Fund | 10,339 | $642.9K | 0.01% | −40−0.4% | Reduced |
| AE Wealth Management LLC | 10,257 | $637.8K | 0.00% | +10,257 | New |
| Cresset Asset Management, LLC | 10,061 | $625.6K | 0.00% | +20.0% | Added |
| Prescott Group Capital Management, L.L.C. | 10,000 | $621.8K | 0.06% | +10,000 | New |
| KLP Kapitalforvaltning AS | 9,900 | $615.6K | 0.00% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 9,741 | $605.7K | 0.00% | −815−7.7% | Reduced |
| State of Wisconsin Investment Board | 9,723 | $604.6K | 0.00% | −55,696−85.1% | Reduced |
| STRS Ohio | 9,400 | $584.5K | 0.00% | +5,900+168.6% | Added |
| Pacific Ridge Capital Partners, LLC | 9,172 | $570.3K | 0.12% | −26,968−74.6% | Reduced |
| Cerity Partners LLC | 9,152 | $569.1K | 0.00% | +947+11.5% | Added |
| Atria Investments LLC | 9,149 | $568.9K | 0.01% | −7,041−43.5% | Reduced |
| Entropy Technologies, LP | 9,126 | $567.5K | 0.03% | +9,126 | New |
| Gallagher Fiduciary Advisors, LLC | 8,921 | $554.7K | 0.02% | −7,083−44.3% | Reduced |
| Engineers Gate Manager LP | 8,900 | $553.4K | 0.01% | −56,619−86.4% | Reduced |
| Ethic Inc. | 8,869 | $551.5K | 0.01% | +136+1.6% | Added |
| Cetera Investment Advisers | 8,837 | $549.5K | 0.00% | +8,837 | New |
| Quantbot Technologies LP | 8,643 | $537.4K | 0.02% | −15,015−63.5% | Reduced |
| Mirabella Financial Services LLP | 8,584 | $533.8K | 0.05% | +8,584 | New |
| CWM Advisors, LLC | 8,509 | $529.1K | 0.03% | −9,912−53.8% | Reduced |
| Summit Global Investments | 8,315 | $517.0K | 0.03% | +23+0.3% | Added |
| Vident Advisory, LLC | 8,198 | $509.8K | 0.00% | +8,198 | New |
| Numerai GP LLC | 8,162 | $507.5K | 0.05% | −4,139−33.6% | Reduced |
| Mercer Global Advisors Inc | 8,068 | $501.7K | 0.00% | +8,068 | New |
| Hancock Whitney Corp | 6,335 | $495.1K | 0.01% | +6,335 | New |
| Brevan Howard Capital Management LP | 7,771 | $483.2K | 0.00% | −10,211−56.8% | Reduced |
| Voya Investment Management LLC | 7,705 | $479.1K | 0.00% | −430−5.3% | Reduced |
| JustInvest LLC | 7,490 | $465.7K | 0.00% | +7,490 | New |
| Pictet Asset Management Holding SA | 7,306 | $454.3K | 0.00% | +7,306 | New |
| Oppenheimer & Co Inc | 7,300 | $453.9K | 0.01% | −46,669−86.5% | Reduced |
| Intrust Bank NA | 7,191 | $447.1K | 0.04% | +7,191 | New |
| GAMMA Investing LLC | 7,051 | $438.4K | 0.02% | +404+6.1% | Added |
| Jump Financial, LLC | 6,700 | $416.6K | 0.01% | −6,963−51.0% | Reduced |
| Advisor Group Holdings, Inc. | 6,699 | $416.5K | 0.00% | −14,986−69.1% | Reduced |
| ARGA Investment Management, LP | 6,694 | $416.2K | 0.01% | +6,694 | New |