Quick Takeaways
- VANGUARD GROUP INC filed SCHEDULE 13G for Amprius Technologies Inc Common Stock (AMPX).
- Disclosed ownership: 5.2%.
- Date of event: 30 Sep 2025.
VANGUARD GROUP INC - 30 Sep 2025 SCHEDULE 13G Report for Amprius Technologies Inc Common Stock (AMPX)
- Filing Manager
- VANGUARD GROUP INC
- Reporting Manager
- The Vanguard Group
- Symbol
- AMPX
- Shares outstanding
- 125,242,692 shares
- Disclosed Ownership
- 6,512,620 shares
- Ownership
- 5.2%
- Form type
- SCHEDULE 13G
- Filing time
- 30 Oct 2025, 14:04:16 UTC
- Date of event
- 30 Sep 2025
- Next filing
- 26 Mar 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"VANGUARD GROUP INC disclosed 5.2% ownership in Amprius Technologies Inc Common Stock (AMPX) on 30 Sep 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 30 Oct 2025, 14:04.
Why This Matters
- 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.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| The Vanguard Group | 5.2% | 6,512,620 | 0 | 823,477 | Ashley Grim | Head of Global Fund Administration |