As of November 6, 2026, Ultra Clean Holdings, Inc. is a publicly traded company (Nasdaq: UCTT); its largest reported holder is Invesco, with 7% on Schedule 13G of August 13, 2026, then Vanguard (6.2%). The largest insider holding is Jinsong Xiao, the chief executive, with 129,935 shares (0.27% of shares outstanding), per Form 4 of October 2, 2026 (Schedule 13G, August 13, 2026).
Is this your company?
About to sign with, pay or invest in Ultra Clean Holdings Inc? See the free Snapshot first.
Free to see. No signup.
Is Ultra Clean Holdings, Inc. a real, registered company?
- Ultra Clean Holdings Inc files with the SEC under CIK 1275014 (its SEC filings).
- Its shares are listed under the ticker UCTT on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Hayward, California, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Ultra Clean Holdings Inc in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Alexander Davern, Director (Form 8-K filed 2026-09-30). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Invesco (filed 2026-08-13).
Who are Ultra Clean Holdings, Inc.'s owners and officers?
Ultra Clean Holdings, Inc.: incorporated in Delaware; business address in Hayward, California; industry Semiconductors & Related Devices (Form D, 2026-09-30).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-08-13 | Invesco LTD. | 7% |
| Schedule 13G, 2026-08-12 | Capital World Investors | 5.8% |
| Schedule 13G, 2026-07-31 | Vanguard Capital Management | 5.01% |
| Schedule 13G/A, 2026-05-15 | Frontier Capital Management Co.,LLC | 3.93% |
| Schedule 13G/A, 2026-05-08 | Invesco LTD. | 3.7% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 6.2% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-17 | Shapiro Capital Management LLC | 2.8% |
| Schedule 13G, 2026-02-17 | Frontier Capital Management Co.,LLC | 7.73% |
| Schedule 13G, 2026-02-12 | Invesco LTD. | 7.5% |
| Schedule 13G, 2025-08-14 | Frontier Capital Management Co.,LLC | 6.1% |
| Schedule 13G/A, 2025-07-15 | Dimensional Fund Advisors LP | 4.7% |
Questions about who owns Ultra Clean Holdings, Inc.
Who owns Ultra Clean Holdings, Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of Ultra Clean Holdings, Inc.: Invesco LTD. (7%, Schedule 13G, filed 2026-08-13), Vanguard Portfolio Management (6.2%, Schedule 13G, filed 2026-04-29), Capital World Investors (5.8%, Schedule 13G, filed 2026-08-12) and Vanguard Capital Management (5.01%, Schedule 13G, filed 2026-07-31).
Who are the largest shareholders of Ultra Clean Holdings, Inc.?
By the share each holder's latest filing reports, the largest holders of Ultra Clean Holdings, Inc. on this page are Invesco LTD. (7%), Vanguard Portfolio Management (6.2%) and Capital World Investors (5.8%).
When did Invesco LTD. buy into Ultra Clean Holdings, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Invesco LTD. on this page is the Schedule 13G, filed 2026-02-12, reporting 7.5%; its latest, Schedule 13G filed 2026-08-13, reports 7%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Want the whole picture on Ultra Clean Holdings Inc?
Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)
A Full Report on Ultra Clean Holdings Inc: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Ultra Clean Holdings Inc covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
21 cited sources found
Plus the sections for what you are deciding, which you pick after ordering.
A real finished report, first screen. Opens in a new tab.
| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-09-30 | Alexander Davern | Director | appointed | 2026-09-28 |
| Form 8-K, 2026-08-06 | Sheri Savage | Chief Financial Officer | departed | 2026-08-05 |
| Form 8-K, 2026-07-08 | Michael Keogh | Chief Financial Officer | appointed | 2026-08-05 |
Which insiders own Ultra Clean Holdings, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive: 129,935 shares (0.27% of shares outstanding) (Form 4, 2026-10-02).
- , the president and products division: 102,226 shares (0.21% of shares outstanding), 98,126 held directly and 4,100 indirectly (Form 4, 2026-09-02).
- , a director: 85,392 shares (0.18% of shares outstanding), 84,392 held directly and 1,000 indirectly (Form 4, 2026-05-27).
- , the chief operating officer: 76,693 shares (0.16% of shares outstanding) (Form 4, 2025-07-02).
- , the president and services business: 71,503 shares (0.15% of shares outstanding) (Form 4, 2025-05-02).
Shares outstanding: 47,960,159 as of 2026-10-21, from the company's latest SEC cover page.
How much has Ultra Clean Holdings, Inc. raised?
No fundraising or offering filing from Ultra Clean Holdings, Inc. is on file with us.
Keep reading
More on Ultra Clean Holdings Inc and the records around it.
Ultra Clean Holdings Inc elsewhere on the record
- 5%+ stake filings Aug 2026
- Leadership changes Aug 2026
Companies that share a holder
- SHAPIRO CAPITAL MANAGEMENT LLC also filed stake reports on 2 other companies: NCR Voyix Corp (Feb 2026), Topgolf Callaway Brands Corp. (Nov 2025)
- FRONTIER CAPITAL MANAGEMENT CO.,LLC also filed stake reports on 4 other companies: INDIE SEMICONDUCTOR, INC. (Aug 2025), Pagaya Technologies Ltd Class A (Aug 2025), Sun Country Airlines Holdings, Inc. (Aug 2025)
- FRONTIER CAPITAL MANAGEMENT CO.,LLC also filed stake reports on 4 other companies: Better Home & Finance Holding Co (Aug 2026), INDIE SEMICONDUCTOR, INC. (Aug 2026), FTAI Infrastructure Inc. (Feb 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
https://mentionfox.com/who-owns/ultra-clean