Ultra Clean Holdings, Inc. (UCTT) ownership: Top institutional holder: BlackRock, Inc. ($424.85M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 6832619.00 | $424.85M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2802250.00 | $174.24M | 2026-03-31 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2106800.00 | $131.00M | 2026-03-31 |
| VANGUARD GROUP INC | 4990724.00 | $126.42M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1916501.00 | $119.17M | 2026-03-31 |
| TORONTO DOMINION BANK | 1900000.00 | $118.14M | 2026-03-31 |
| STATE STREET CORP | 1837824.00 | $114.28M | 2026-03-31 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 1787451.00 | $111.14M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-27 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.