Institutional Ownership
Amprius Technologies Inc
CUSIP 03214Q108COMMON STOCKAMPXQ1 2026
13D / 13G Filings
14
Schedule 13D/13G on record
Beneficial Filers
9
Distinct reporting persons
Largest Stake
77.8%
Max % of class reported
Institutional Holders
239
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
14 filings · latest Oct 30, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Oct 30, 2025 | The Vanguard Group | 13G | 5.2% | 6.51M | SEC |
| 2 | Oct 17, 2025 | Blackrock, Inc. | 13G | 5.8% | 7.30M | SEC |
| 3 | Aug 14, 2025 | Saif Partners IV L.P. | 13G/A | — | 913.30M | SEC |
| 4 | Aug 6, 2025 | Salzman Alan E | 13G/A | 2.6% | 3.11M | SEC |
| 5 | May 15, 2025 | Saif Partners IV L.P. | 13G/A | 6.3% | 7.61M | SEC |
| 6 | Oct 28, 2024 | Dixon Donald R | 13D | 6.5% | 6.91M | SEC |
| 7 | Oct 28, 2024 | Saif Partners IV L.P. | 13G | 7.6% | 8.01M | SEC |
| 8 | Oct 25, 2024 | Amprius, Inc. | 13D/A | 2.4% | 2.50M | SEC |
| 9 | Oct 25, 2024 | Salzman Alan E | 13G | 6.7% | 7.11M | SEC |
| 10 | Oct 25, 2024 | Sun Kang | 13D | 6.8% | 7.77M | SEC |
4 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Amprius Technologies Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 9.23M | $155.54M |
| 2 | Jane Street Group, LLC | 4.16M | $70.15M |
| 3 | Driehaus Capital Management LLC | 3.79M | $63.97M |
| 4 | Two Sigma Investments, LP | 3.51M | $59.11M |
| 5 | Morgan Stanley | 3.16M | $53.31M |
| 6 | Geode Capital Management, LLC | 2.81M | $47.46M |
| 7 | State Street Corp | 2.71M | $45.73M |
| 8 | Ubs Group AG | 2.31M | $38.97M |
| 9 | Goldman Sachs Group Inc | 2.23M | $37.53M |
| 10 | Massachusetts Financial Services Co /Ma/ | 2.02M | $34.14M |