Ultra Clean (UCTT) relationships
Ultra Clean (UCTT) is connected to 40 named shareholders, 0 other companies and 17 officers and directors, each link from an SEC filing. Its largest named shareholder is BlackRock, with 15.3% of the company (13F, Jun 30, 2026).
Largest shareholders of Ultra Clean
| Holder | % of company | Filing | As of | Accession |
|---|---|---|---|---|
| BlackRock | 15.3% | 13F | Jun 30, 2026 | 0002012383-26-003238 |
| Vanguard | 11.1% | 13F | Jun 30, 2026 | 0002100121-26-001018 |
| Invesco | 6.9% | 13F | Jun 30, 2026 | 0000914208-26-000343 |
| Capital Group | 5.7% | 13F | Jun 30, 2026 | 0001422849-26-000113 |
| State Street | 4.0% | 13F | Jun 30, 2026 | 0000093751-26-000583 |
| Boston Partners | 3.0% | 13F | Jun 30, 2026 | 0001386060-26-000035 |
| Geode Capital | 2.9% | 13F | Jun 30, 2026 | 0001214717-26-000008 |
| Driehaus Capital Management LLC | 2.9% | 13F | Jun 30, 2026 | 0000938206-26-000048 |
| Dimensional | 2.1% | 13F | Jun 30, 2026 | 0000354204-26-000866 |
| ALLIANCEBERNSTEIN L.P. | 1.8% | 13F | Jun 30, 2026 | 0001109448-26-000261 |
| Charles Schwab | 1.6% | 13F | Jun 30, 2026 | 0001752724-26-000057 |
| FRONTIER CAPITAL MANAGEMENT CO.,LLC | 1.5% | 13F | Jun 30, 2026 | 0001172661-26-003509 |
| ROYCE & ASSOCIATES LP | 1.5% | 13F | Jun 30, 2026 | 0000906304-26-000154 |
| OBERWEIS ASSET MANAGEMENT INC/ | 1.4% | 13F | Jun 30, 2026 | 0001213900-26-089777 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.4% | 13F | Jun 30, 2026 | 0000905148-26-003671 |
Officers and directors of Ultra Clean
- Jinsong Xiao — Chief Executive Officer (Form 4, Oct 2, 2026)
- Christopher S. Cook — President, Products Division (Form 4, Sep 2, 2026)
- Clarence L. Granger — Director (Form 4, May 27, 2026)
- Ernest E. Maddock — Director (Form 4, May 27, 2026)
- Thomas T. Edman — Director (Form 4, May 27, 2026)
- David T. Ibnale — Director (Form 4, May 27, 2026)
- Emily M. Liggett — Director (Form 4, May 27, 2026)
- Brian E. Harding — Chief Accounting Officer (Form 4, Jul 7, 2026)
- Jacqueline A. Seto — Director (Form 4, May 27, 2026)
- Jamie J. Palfrey — SVP, Global Human Resources (Form 4, May 27, 2026)
- Paul Yoonku Cho — General Counsel and Secretary (Form 4, Jun 4, 2026)
- Michael Dennis Keogh — Chief Financial Officer (Form 4, Sep 4, 2026)
- Jeffrey L. McKibben — Chief Information Officer (Form 4, May 27, 2026)
- Samuel Williams Johnson — SVP, Services Business (Form 4, May 27, 2026)
- Joanne Solomon — Director (Form 4, May 27, 2026)
- Robert Anthony Wunar — Chief Operating Officer (Form 4, May 27, 2026)
- Alexander M. Davern — Director (Form 3, Oct 2, 2026)
Map of Ultra Clean's relationships · Who owns Ultra Clean