Filing Flows › Ultra Clean Holdings (UCTT) › Who owns the stock
Who owns Ultra Clean Holdings (UCTT) stock
383 funds reported Ultra Clean Holdings (UCTT) shares in their latest 13F filings, worth $6.4B in all. The largest holder is BlackRock ($987M). Last quarter 206 funds added to their stakes and 178 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| BlackRock | 6,919,992 | $987M | increase | 2026-06-30 |
| Invesco | 3,124,839 | $446M | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 2,757,438 | $393M | decrease | 2026-06-30 |
| Capital World Investors | 2,580,132 | $368M | new | 2026-06-30 |
| Vanguard Capital Management LLC | 1,909,026 | $272M | decrease | 2026-06-30 |
| State Street | 1,802,261 | $257M | decrease | 2026-06-30 |
| Boston Partners | 1,360,211 | $192M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 1,317,631 | $188M | increase | 2026-06-30 |
| Driehaus Capital Management LLC | 1,309,202 | $187M | increase | 2026-06-30 |
| Dimensional Fund Advisors LP | 949,354 | $135M | decrease | 2026-06-30 |
| Vanguard Group | 4,990,724 | $126M | increase | 2025-12-31 |
| Charles Schwab Investment Management | 739,967 | $106M | decrease | 2026-06-30 |
| First Eagle Investment Management, LLC | 695,860 | $99.2M | increase | 2026-06-30 |
| Frontier Capital Management Co LLC | 667,532 | $95.2M | decrease | 2026-06-30 |
| Royce & Associates LP | 666,496 | $95.0M | decrease | 2026-06-30 |
Ultra Clean Holdings' latest quarter
Ultra Clean Holdings, Q3 2026: revenue $759M (+49% year over year), operating margin 7.1%, net earnings $39.1M, operating cash flow −$42.3M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most UCTT stock?
By the latest 13F filings: BlackRock ($987M); Invesco ($446M); Vanguard Portfolio Management LLC ($393M); Capital World Investors ($368M); Vanguard Capital Management LLC ($272M).
What is the short interest in UCTT?
3,254,534 shares were sold short at the 2026-10-15 settlement, -12.37% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.