Amprius TechnologiesAMPX
13F holders, Q2 2025 (June 30)121holders +21
38new positions
17sold out
4famous investors
$4.21avg. 13F price*
At the end of Q2 2025, 121 institutions reported holding Amprius Technologies Inc. (AMPX) in their 13F filings, up 21 from Q1 2025. 38 opened new positions and 17 sold out. The largest holders were BlackRock, Inc. ($22.2M), Vanguard Group Inc. ($20.0M) and Millennium Management ($15.2M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Amprius Technologies Inc.
- CUSIP
- 03214Q108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 38 | $9.7M |
| Exits | 17 | $1.9M |
All 13F filers, Q1 2025 → Q2 2025: 19,264,758 shares bought and 2,023,267 shares sold, net +17,241,491 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 121 holders
| BlackRock, Inc. | 0.00% | Add +390.7% | 5,270,018 | $22.2M |
| Vanguard Group Inc. | 0.00% | Reduce -2.2% | 4,755,225 | $20.0M |
| Millennium Management | 0.01% | Add +159.1% | 3,616,380 | $15.2M |
| Morgan Stanley | 0.00% | Add +953.0% | 1,933,627 | $8.1M |
| Geode Capital Management, LLC | 0.00% | Add +167.8% | 1,593,607 | $6.7M |
| Two Sigma Investments, LP | 0.01% | Add +243.1% | 1,411,608 | $5.9M |
| Renaissance Technologies | 0.01% | Add +9251.4% | 1,346,600 | $5.7M |
| State Street Corp. | 0.00% | Add +182.6% | 1,176,718 | $5.0M |
| Board of Trustees of The Leland Stanford Junior University | 0.52% | Reduce -21.3% | 1,146,636 | $4.8M |
| Invesco Ltd. | 0.00% | Reduce -4.4% | 1,115,538 | $4.7M |
| Marshall Wace, LLP | 0.01% | Add +16.1% | 1,105,413 | $4.7M |
| Essex Investment Management Co. LLC | 0.78% | Add +9.6% | 1,025,357 | $4.3M |
| JPMorgan Chase & Co. | 0.00% | Add +12063.3% | 1,017,217 | $4.3M |
| Baird Financial Group, Inc. | 0.01% | Add +99.9% | 1,000,711 | $4.2M |
| Stifel Financial Corp. | 0.00% | Reduce -0.5% | 896,225 | $3.8M |
| Susquehanna International Group, LLP | 0.01% | Add +6.6% | 877,328 | $3.7M |
| UBS Group AG | 0.00% | Reduce -34.1% | 731,533 | $3.1M |
| Northern Trust Corp. | 0.00% | Add +209.0% | 662,573 | $2.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +120.8% | 540,268 | $2.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +92.6% | 496,899 | $2.1M |
| Oppenheimer & Co. Inc. | 0.03% | Reduce -8.6% | 449,197 | $1.9M |
| Two Sigma Advisers, LP | 0.00% | Add +812.5% | 402,400 | $1.7M |
| T. Rowe Price Associates Inc. | 0.00% | New | 323,007 | $1.4M |
| Citadel Advisors | 0.00% | Add +851.0% | 279,657 | $1.2M |
| Legato Capital Management LLC | 0.14% | Reduce -0.2% | 276,874 | $1.2M |
| Polar Asset Management Partners Inc. | 0.04% | New | 274,788 | $1.2M |
| Nuveen, LLC | 0.00% | Add +832.1% | 217,178 | $914K |
| HRT Financial LP | 0.00% | Add +124.6% | 215,633 | $907K |
| Informed Momentum Co LLC | 0.13% | New | 211,252 | $889K |
| Bank of New York Mellon Corp | 0.00% | Add +514.0% | 193,748 | $816K |
| Verition Fund Management LLC | 0.00% | Add +160.1% | 177,652 | $748K |
| Cubist Systematic Strategies, LLC | 0.01% | New | 170,405 | $717K |
| Barclays PLC | 0.00% | Add +363.0% | 167,503 | $705K |
| Alliancebernstein L.P. | 0.00% | Add +180.6% | 164,060 | $691K |
| HITE Hedge Asset Management LLC | 0.04% | No change | 161,444 | $680K |
| BNP Paribas Financial Markets | 0.00% | Add +2677.3% | 159,614 | $672K |
| Huntleigh Advisors, Inc. | 0.12% | New | 145,914 | $614K |
| Graham Capital Management, L.P. | 0.02% | New | 141,545 | $596K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -30.8% | 135,000 | $568K |
| Bank of America Corp. | 0.00% | Add +50.6% | 126,779 | $534K |
| LPL Financial LLC | 0.00% | Add +2.3% | 125,706 | $529K |
| Rhumbline Advisers | 0.00% | Add +685.6% | 123,260 | $519K |
| Foundations Investment Advisors, LLC | 0.01% | New | 92,416 | $389K |
| SLT Holdings LLC | 0.30% | New | 91,750 | $386K |
| Kingswood Wealth Advisors, LLC | 0.03% | New | 85,408 | $360K |
| AQR Capital Management | 0.00% | Add +2.9% | 80,002 | $337K |
| Gsa Capital Partners LLP | 0.02% | New | 73,035 | $307K |
| Los Angeles Capital Management LLC | 0.00% | New | 70,577 | $297K |
| Squarepoint Ops LLC | 0.00% | New | 65,382 | $275K |
| Deutsche Bank AG | 0.00% | Add +98.6% | 61,438 | $259K |
| Apis Capital Advisors, LLC | 0.09% | Reduce -63.9% | 60,000 | $253K |
| MetLife Investment Management, LLC | 0.00% | New | 58,207 | $245K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +419.1% | 51,041 | $215K |
| Wells Fargo & Company | 0.00% | Add +346.8% | 50,670 | $213K |
| Advisory Services Network, LLC | 0.00% | New | 30,774 | $213K |
| B. Riley Wealth Advisors, Inc. | 0.01% | Add +8.6% | 50,500 | $213K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 49,600 | $209K |
| Intech Investment Management LLC | 0.00% | New | 44,772 | $188K |
| Bessemer Group Inc. | 0.00% | New | 41,333 | $174K |
| Citigroup Inc. | 0.00% | Add +182.6% | 34,356 | $145K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 34,301 | $144K |
| Robertson Stephens Wealth Management, LLC | 0.00% | New | 31,094 | $131K |
| Cornerstone Partners Capital Management, LLC | 0.39% | Add +100.0% | 30,706 | $129K |
| Dynamic Technology Lab Private Ltd | 0.02% | New | 30,229 | $127K |
| Voya Investment Management LLC | 0.00% | New | 25,892 | $109K |
| Focus Partners Wealth | 0.00% | Add +51.6% | 24,239 | $102K |
| Jane Street Group, LLC | 0.00% | Reduce -78.9% | 22,355 | $94K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 21,134 | $89K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Add +17.7% | 19,134 | $81K |
| ProShare Advisors LLC | 0.00% | New | 19,112 | $80K |
| Ewa, LLC | 0.03% | New | 19,013 | $80K |
| MIdWestOne Financial Group, Inc. | 0.01% | Add +5.4% | 18,546 | $78K |
| Aigen Investment Management, LP | 0.01% | New | 17,811 | $75K |
| Janney Montgomery Scott LLC | 0.00% | New | 15,993 | $67K |
| Royal Bank of Canada | 0.00% | Reduce -76.0% | 15,685 | $66K |
| SG Americas Securities, LLC | 0.00% | New | 15,373 | $65K |
| Cannell & Spears LLC | 0.00% | No change | 15,055 | $63K |
| Edmond DE Rothschild Holding S.A. | 0.00% | No change | 14,970 | $63K |
| Creative Planning | 0.00% | New | 14,253 | $60K |
| Simplex Trading, LLC | 0.00% | Reduce -69.8% | 13,916 | $58K |
| New York State Common Retirement Fund | 0.00% | No change | 12,037 | $51K |
| Group One Trading LLC | 0.00% | Reduce -87.2% | 11,504 | $48K |
| Cibc World Markets Corp. | 0.00% | New | 11,484 | $48K |
| Bank of Montreal | 0.00% | New | 11,017 | $46K |
| Raymond James Financial Inc. | 0.00% | Reduce -29.4% | 10,825 | $46K |
| Prudential Financial Inc. | 0.00% | New | 10,775 | $45K |
| XTX Topco Ltd | 0.00% | New | 10,420 | $44K |
| Legal & General Group Plc | 0.00% | Add +1385.4% | 10,383 | $44K |
| Victory Capital Management Inc. | 0.00% | New | 10,301 | $43K |
| Orion Porfolio Solutions, LLC | 0.00% | Add +0.3% | 10,270 | $43K |
| Sei Investments Co. | 0.00% | No change | 10,229 | $43K |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0.01% | New | 10,000 | $42K |
| Clear Street LLC | 0.00% | No change | 10,000 | $42K |
| Ameritas Investment Partners, Inc. | 0.00% | Add +2043.2% | 9,516 | $40K |
| FMR LLC | 0.00% | Reduce -10.3% | 7,956 | $33K |
| Summit Securities Group LLC | 0.01% | Add +137.3% | 5,882 | $25K |
| California State Teachers Retirement System | 0.00% | Add +473.0% | 5,816 | $24K |
| Russell Investments Group, Ltd. | 0.00% | Add +347.0% | 5,815 | $24K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -64.9% | 5,413 | $23K |
| Cwm, LLC | 0.00% | Reduce -9.2% | 4,481 | $19K |
"% of holder's portfolio" is AMPX's weight in each manager's 13F, not the share of Amprius Technologies Inc. the manager owns.