Key facts
- FRONTIER CAPITAL MANAGEMENT CO LLC filed SCHEDULE 13G for Ultra Clean Holdings, Inc. Common stock, par value $0.001 per share (UCTT).
- Disclosed ownership: 6.1%.
- Date of event: 30 Jun 2025.
FRONTIER CAPITAL MANAGEMENT CO LLC - 30 Jun 2025 SCHEDULE 13G Report for Ultra Clean Holdings, Inc. Common stock, par value $0.001 per share (UCTT)
- Filing Manager
- FRONTIER CAPITAL MANAGEMENT CO LLC
- Reporting Manager
- FRONTIER CAPITAL MANAGEMENT CO.,LLC
- Symbol
- UCTT
- Shares outstanding
- 45,150,213 shares
- Disclosed Ownership
- 2,754,163 shares
- Ownership
- 6.1%
- Form type
- SCHEDULE 13G
- Filing time
- 14 Aug 2025, 09:23:48 UTC
- Date of event
- 30 Jun 2025
- Previous filing
- 16 Jan 2025
- SEC
- View on sec.gov
Key filing fact
FRONTIER CAPITAL MANAGEMENT CO LLC disclosed 6.1% ownership in Ultra Clean Holdings, Inc. Common stock, par value $0.001 per share (UCTT) on 30 Jun 2025.
Change
- Previous schedule filing date: 16 Jan 2025.
- Current filing was accepted on 14 Aug 2025, 09:23.
Research use
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (1)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| FRONTIER CAPITAL MANAGEMENT CO.,LLC | 6.1% | 2,754,163 | 0 | 1,615,497 | Robert E. Phay | Robert E. Phay, Chief Compliance Officer & General Counsel |
CIK / CUSIP context first