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, Q4 2025
Institutional positions in Ultra Clean Holdings, Inc. as of Dec 31, 2025. 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
- 238
- −2 vs. Q3 2025
- Shares held
- 42.5M
- +525.9K (+1.3%) vs. Q3 2025
- Total value
- $1.08B
- −$66.4M (−5.8%) vs. Q3 2025
- New holders
- 29
- 81 more added
- Sold out
- 31
- 85 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Ultra Clean Holdings, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Dempsey Capital Management LLC | 11,075 | $280.5K | 0.14% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,236 | $284.6K | 0.00% | −312−2.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,346 | $287.0K | 0.00% | −1,644−12.7% | Reduced |
| Numerai GP LLC | 12,301 | $311.6K | 0.04% | −37,244−75.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 12,336 | $312.5K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 12,646 | $320.3K | 0.00% | −697−5.2% | Reduced |
| State Board of Administration of Florida Retirement System | 12,698 | $321.6K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 12,768 | $323.4K | 0.02% | +7,028+122.4% | Added |
| Royal Bank of Canada | 12,968 | $329.0K | 0.00% | −184,857−93.4% | Reduced |
| Amalgamated Bank | 13,183 | $334.0K | 0.00% | −129−1.0% | Reduced |
| FMR LLC | 13,300 | $336.9K | 0.00% | +484+3.8% | Added |
| ProShare Advisors LLC | 13,491 | $341.7K | 0.00% | +350+2.7% | Added |
| Fuller & Thaler Asset Management, Inc. | 13,505 | $342.1K | 0.00% | −750−5.3% | Reduced |
| Jump Financial, LLC | 13,663 | $346.1K | 0.00% | −14,337−51.2% | Reduced |
| VARCOV Co. | 14,266 | $361.4K | 0.14% | +14,266 | New |
| Handelsbanken Fonder AB | 14,400 | $365.0K | 0.00% | 00.0% | Unchanged |
| Amundi | 15,343 | $388.6K | 0.00% | +15,343 | New |
| Stifel Financial Corp | 15,422 | $390.6K | 0.00% | +1,413+10.1% | Added |
| Gallagher Fiduciary Advisors, LLC | 16,004 | $405.4K | 0.01% | +1,649+11.5% | Added |
| Atria Investments LLC | 16,190 | $410.1K | 0.00% | +1,590+10.9% | Added |
| Allspring Global Investments Holdings, LLC | 15,350 | $419.4K | 0.00% | −9,457−38.1% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 13,225 | $419.9K | 0.00% | −1,897−12.5% | Reduced |
| Intech Investment Management LLC | 17,491 | $443.0K | 0.00% | +1,606+10.1% | Added |
| Brevan Howard Capital Management LP | 17,982 | $455.5K | 0.01% | +17,982 | New |
| Caxton Associates LLP | 18,055 | $457.3K | 0.01% | +18,055 | New |
| Toronto Dominion Bank | 18,127 | $459.2K | 0.00% | +3,034+20.1% | Added |
| CWM Advisors, LLC | 18,421 | $466.6K | 0.04% | +1,380+8.1% | Added |
| Manufacturers Life Insurance Company, The | 18,610 | $471.4K | 0.00% | −1,381−6.9% | Reduced |
| XTX Topco Ltd | 19,881 | $503.6K | 0.01% | +19,881 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 20,737 | $525.3K | 0.00% | −17−0.1% | Reduced |
| Louisiana State Employees Retirement System | 20,800 | $526.9K | 0.01% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 12,190 | $539.5K | 0.01% | −1,820−13.0% | Reduced |
| Advisor Group Holdings, Inc. | 21,685 | $549.3K | 0.00% | −3,816−15.0% | Reduced |
| Susquehanna International Group, LLP | 22,059 | $558.8K | 0.00% | +13,531+158.7% | Added |
| Illinois Municipal Retirement Fund | 22,175 | $561.7K | 0.01% | −894−3.9% | Reduced |
| Walleye Capital LLC | 22,247 | $563.5K | 0.00% | +22,243+556,075.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 21,937 | $564.5K | 0.00% | +21,937 | New |
| Quantinno Capital Management LP | 22,956 | $581.5K | 0.00% | +5,456+31.2% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 21,388 | $584.3K | 0.00% | +3,686+20.8% | Added |
| Quantbot Technologies LP | 23,658 | $599.3K | 0.02% | +16,537+232.2% | Added |
| Janus Henderson Group PLC | 23,673 | $599.9K | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 24,910 | $631.0K | 0.00% | +8,874+55.3% | Added |
| State of Alaska, Department of Revenue | 25,093 | $635.0K | 0.01% | +400+1.6% | Added |
| Gabelli Funds LLC | 25,847 | $654.7K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 26,200 | $663.6K | 0.00% | 00.0% | Unchanged |
| Headlands Technologies LLC | 26,429 | $669.4K | 0.06% | +1,416+5.7% | Added |
| LPL Financial LLC | 26,798 | $678.8K | 0.00% | +1,147+4.5% | Added |
| HRT Financial LP | 26,837 | $679.0K | 0.00% | −8,911−24.9% | Reduced |
| Creative Planning | 29,134 | $738.0K | 0.00% | +136+0.5% | Added |
| Romano Brothers and Company | 29,250 | $740.9K | 0.08% | −17,100−36.9% | Reduced |
| New York State Teachers Retirement System | 30,069 | $762.0K | 0.00% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 31,187 | $790.0K | 0.00% | −1,526−4.7% | Reduced |
| Citadel Advisors LLC | 31,319 | $793.3K | 0.00% | −90,067−74.2% | Reduced |
| Janney Montgomery Scott LLC | 32,221 | $816.0K | 0.00% | +3,725+13.1% | Added |
| ExodusPoint Capital Management, LP | 33,930 | $859.4K | 0.01% | +33,930 | New |
| Victory Capital Management Inc | 35,200 | $891.6K | 0.00% | +35,200 | New |
| Pacific Ridge Capital Partners, LLC | 36,140 | $915.4K | 0.20% | +1,600+4.6% | Added |
| New York State Common Retirement Fund | 36,225 | $917.6K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 37,007 | $937.0K | 0.00% | −13,035−26.0% | Reduced |
| Trexquant Investment LP | 37,932 | $960.8K | 0.01% | +37,932 | New |
| State of Tennessee, Treasury Department | 23,557 | $1.03M | 0.00% | +4,732+25.1% | Added |
| California State Teachers Retirement System | 41,559 | $1.05M | 0.00% | −32−0.1% | Reduced |
| Envestnet Asset Management Inc | 42,881 | $1.09M | 0.00% | −5,527−11.4% | Reduced |
| Teton Advisors, LLC | 43,000 | $1.09M | 0.76% | −500−1.1% | Reduced |
| Price T Rowe Associates Inc | 43,089 | $1.09M | 0.00% | +2,737+6.8% | Added |
| Martingale Asset Management L P | 46,555 | $1.18M | 0.03% | +46,555 | New |
| CastleKnight Management LP | 47,100 | $1.19M | 0.07% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 53,969 | $1.37M | 0.02% | +1,068+2.0% | Added |
| Optimize Financial Inc | 57,359 | $1.45M | 0.73% | +824+1.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 60,000 | $1.52M | 0.00% | 00.0% | Unchanged |
| Needham Investment Management LLC | 60,000 | $1.52M | 0.10% | +15,000+33.3% | Added |
| Alliancebernstein L.P. | 61,235 | $1.55M | 0.00% | +1,843+3.1% | Added |
| Raymond James Financial Inc | 63,006 | $1.60M | 0.00% | +44,246+235.9% | Added |
| Russell Investments Group, Ltd. | 64,681 | $1.64M | 0.00% | −2,329−3.5% | Reduced |
| State of Wisconsin Investment Board | 65,419 | $1.66M | 0.00% | −4,086−5.9% | Reduced |
| Engineers Gate Manager LP | 65,519 | $1.66M | 0.02% | −19,590−23.0% | Reduced |
| Citigroup Inc | 68,954 | $1.75M | 0.00% | +24,768+56.1% | Added |
| Barclays PLC | 69,655 | $1.76M | 0.00% | +6,579+10.4% | Added |
| Penn Capital Management Co Inc | 69,813 | $1.77M | 0.14% | +69,813 | New |
| Bank of America Corp | 75,372 | $1.91M | 0.00% | −8,269−9.9% | Reduced |
| Prudential Financial Inc | 75,518 | $1.91M | 0.00% | +29,385+63.7% | Added |
| Harbor Capital Advisors, Inc. | 77,553 | $1.96M | 0.15% | −34,786−31.0% | Reduced |
| Bridge City Capital, LLC | 81,117 | $2.05M | 0.60% | −12,818−13.6% | Reduced |
| Wells Fargo & Company | 81,401 | $2.06M | 0.00% | +44,636+121.4% | Added |
| Pathstone Holdings, LLC | 83,981 | $2.13M | 0.01% | −1,409−1.7% | Reduced |
| Winton Group Ltd | 87,510 | $2.22M | 0.08% | +59,388+211.2% | Added |
| Assenagon Asset Management S.A. | 89,220 | $2.26M | 0.00% | 00.0% | Unchanged |
| Swiss National Bank | 89,400 | $2.26M | 0.00% | +1,900+2.2% | Added |
| UBS Asset Management Americas Inc | 89,437 | $2.27M | 0.00% | +1,655+1.9% | Added |
| Nuveen, LLC | 90,189 | $2.28M | 0.00% | −3,215−3.4% | Reduced |
| Deutsche Bank AG | 91,595 | $2.32M | 0.00% | −10,395−10.2% | Reduced |
| Jane Street Group, LLC | 101,554 | $2.57M | 0.00% | +30,673+43.3% | Added |
| Renaissance Technologies LLC | 106,400 | $2.70M | 0.00% | +16,900+18.9% | Added |
| Wedge Capital Management L L P | 111,441 | $2.82M | 0.05% | −5,049−4.3% | Reduced |
| Marshall Wace, LLP | 113,476 | $2.87M | 0.00% | +95,091+517.2% | Added |
| Grace & White Inc | 114,450 | $2.90M | 0.52% | 00.0% | Unchanged |
| Legal & General Group Plc | 114,703 | $2.91M | 0.00% | −7,118−5.8% | Reduced |
| American Century Companies Inc | 119,236 | $3.02M | 0.00% | −7,779−6.1% | Reduced |
| Canada Pension Plan Investment Board | 123,800 | $3.14M | 0.00% | +16,500+15.4% | Added |
| SG Americas Securities, LLC | 126,043 | $3.19M | 0.00% | +113,475+902.9% | Added |