Amprius Technologies, Inc.
AMPX- Exchange
- NYSE
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies
- SEC CIK
- 0001899287
In the last 90 days, Amprius Technologies, Inc. insiders filed 0 open-market purchases and 3 sales; 261 institutions reported holding it in 13F filings for Q2 2026, worth $1.35B in total; no superinvestor holds it.
Other share classesAMPX.WT
13F holders, Q3 2025
Institutional positions in Amprius Technologies, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 187
- +68 vs. Q2 2025
- Shares held
- 63.6M
- +25.6M (+67.2%) vs. Q2 2025
- Total value
- $669.4M
- +$509.1M (+317.7%) vs. Q2 2025
- New holders
- 86
- 63 more added
- Sold out
- 18
- 27 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMPX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 261 | $1.35B |
| Q1 2026 | 245 | $1.42B |
| Q4 2025 | 206 | $534.7M |
| Q3 2025 | 187 | $669.4M |
| Q2 2025 | 121 | $160.4M |
| Q1 2025 | 100 | $55.8M |
| Q4 2024 | 91 | $46.6M |
| Q3 2024 | 66 | $9.17M |
| Q2 2024 | 65 | $9.71M |
| Q1 2024 | 50 | $13.1M |
| Q4 2023 | 49 | $23.5M |
| Q3 2023 | 46 | $20.0M |
| Q2 2023 | 41 | $19.5M |
| Q1 2023 | 26 | $17.1M |
| Q4 2022 | 22 | $14.8M |
| Q3 2022 | 13 | $11.7M |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Amprius Technologies, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MetLife Investment Management | 58,207 | $612.3K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 58,433 | $614.7K | 0.00% | +58,433 | New |
| Wells Fargo & Company | 58,760 | $618.2K | 0.00% | +8,090+16.0% | Added |
| Omers Administration Corp | 64,400 | $677.5K | 0.00% | +14,800+29.8% | Added |
| Schonfeld Strategic Advisors LLC | 65,386 | $687.9K | 0.00% | +65,386 | New |
| Brevan Howard Capital Management LP | 69,792 | $734.2K | 0.01% | +69,792 | New |
| Picton Mahoney Asset Management | 70,981 | $746.0K | 0.01% | +70,981 | New |
| Numerai GP LLC | 74,511 | $783.9K | 0.11% | +74,511 | New |
| Kingswood Wealth Advisors, LLC | 77,705 | $817.5K | 0.05% | −7,703−9.0% | Reduced |
| SEI Investments Co | 78,720 | $828.1K | 0.00% | +68,491+669.6% | Added |
| California State Teachers Retirement System | 83,626 | $879.7K | 0.00% | +77,810+1,337.9% | Added |
| Legal & General Group Plc | 87,377 | $919.2K | 0.00% | +76,994+741.5% | Added |
| Entropy Technologies, LP | 90,101 | $947.9K | 0.07% | +90,101 | New |
| Federated Hermes, Inc. | 91,803 | $965.8K | 0.00% | +91,803 | New |
| Citigroup Inc | 96,730 | $1.02M | 0.00% | +62,374+181.6% | Added |
| Gsa Capital Partners LLP | 101,053 | $1.06M | 0.09% | +28,018+38.4% | Added |
| UBS Asset Management Americas Inc | 116,484 | $1.23M | 0.00% | +116,484 | New |
| SLT Holdings LLC | 120,300 | $1.27M | 0.83% | +28,550+31.1% | Added |
| Foundations Investment Advisors, LLC | 121,134 | $1.27M | 0.02% | +28,718+31.1% | Added |
| Alliancebernstein L.P. | 123,860 | $1.30M | 0.00% | −40,200−24.5% | Reduced |
| Royal Bank of Canada | 127,386 | $1.34M | 0.00% | +111,701+712.2% | Added |
| Rhumbline Advisers | 129,991 | $1.37M | 0.00% | +6,731+5.5% | Added |
| Walleye Capital LLC | 130,775 | $1.38M | 0.01% | +130,775 | New |
| Prudential Financial Inc | 131,220 | $1.38M | 0.00% | +120,445+1,117.8% | Added |
| Capital Fund Management S.A. | 131,411 | $1.38M | 0.01% | +131,411 | New |
| AQR Capital Management LLC | 131,511 | $1.38M | 0.00% | +51,509+64.4% | Added |
| Quantbot Technologies LP | 131,922 | $1.39M | 0.04% | +131,922 | New |
| Barclays PLC | 133,334 | $1.40M | 0.00% | −34,169−20.4% | Reduced |
| Alps Advisors Inc | 148,780 | $1.57M | 0.01% | +148,780 | New |
| HRT Financial LP | 150,564 | $1.58M | 0.01% | −65,069−30.2% | Reduced |
| Huntleigh Advisors, Inc. | 156,066 | $1.64M | 0.28% | +10,152+7.0% | Added |
| LPL Financial LLC | 165,393 | $1.74M | 0.00% | +39,687+31.6% | Added |
| Calamos Advisors LLC | 171,052 | $1.80M | 0.01% | +171,052 | New |
| XTX Topco Ltd | 173,005 | $1.82M | 0.09% | +162,585+1,560.3% | Added |
| Cubist Systematic Strategies, LLC | 174,759 | $1.84M | 0.03% | +4,354+2.6% | Added |
| Swiss National Bank | 175,300 | $1.84M | 0.00% | +175,300 | New |
| Quadrature Capital Ltd | 180,197 | $1.90M | 0.02% | +180,197 | New |
| Osterweis Capital Management Inc | 187,445 | $1.97M | 0.09% | +187,445 | New |
| Engineers Gate Manager LP | 188,824 | $1.99M | 0.02% | +188,824 | New |
| Jupiter Asset Management Ltd | 199,385 | $2.10M | 0.02% | +199,385 | New |
| Next Century Growth Investors LLC | 228,628 | $2.41M | 0.18% | +228,628 | New |
| Raymond James Financial Inc | 239,968 | $2.52M | 0.00% | +229,143+2,116.8% | Added |
| Nuveen, LLC | 242,272 | $2.55M | 0.00% | +25,094+11.6% | Added |
| Jump Financial, LLC | 242,700 | $2.55M | 0.03% | +242,700 | New |
| Trexquant Investment LP | 249,288 | $2.62M | 0.03% | +249,288 | New |
| Legato Capital Management LLC | 251,268 | $2.64M | 0.29% | −25,606−9.2% | Reduced |
| Lisanti Capital Growth, LLC | 265,725 | $2.80M | 0.68% | +265,725 | New |
| Janney Montgomery Scott LLC | 283,460 | $2.98M | 0.01% | +267,467+1,672.4% | Added |
| JPMorgan Chase & Co | 287,716 | $3.03M | 0.00% | −729,501−71.7% | Reduced |
| Bank of America Corp | 290,441 | $3.06M | 0.00% | +163,662+129.1% | Added |
| Bank of New York Mellon Corp | 291,904 | $3.07M | 0.00% | +98,156+50.7% | Added |
| Oppenheimer & Co Inc | 299,339 | $3.15M | 0.04% | −149,858−33.4% | Reduced |
| Russell Investments Group, Ltd. | 305,073 | $3.21M | 0.00% | +299,258+5,146.3% | Added |
| Verition Fund Management LLC | 323,444 | $3.40M | 0.02% | +145,792+82.1% | Added |
| Polen Capital Management LLC | 339,427 | $3.57M | 0.01% | +339,427 | New |
| Algert Global LLC | 383,019 | $4.03M | 0.07% | +383,019 | New |
| Arrowstreet Capital, Limited Partnership | 471,791 | $4.96M | 0.00% | +471,791 | New |
| Artemis Investment Management LLP | 478,518 | $5.03M | 0.06% | +478,518 | New |
| EAM Investors, LLC | 488,530 | $5.08M | 0.58% | +277,278+131.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 510,454 | $5.37M | 0.01% | +459,413+900.1% | Added |
| Thames Capital Management LLC | 526,832 | $5.54M | 0.80% | +526,832 | New |
| Millennium Management LLC | 587,832 | $6.18M | 0.00% | −3,028,548−83.7% | Reduced |
| Jane Street Group, LLC | 676,664 | $7.12M | 0.01% | +654,309+2,926.9% | Added |
| Capitolis Liquid Global Markets LLC | 680,600 | $7.16M | 0.06% | +680,600 | New |
| Essex Investment Management Co LLC | 697,387 | $7.34M | 1.12% | −327,970−32.0% | Reduced |
| Tudor Investment Corp Et Al | 715,736 | $7.53M | 0.05% | +715,736 | New |
| Stifel Financial Corp | 795,791 | $8.37M | 0.01% | −100,434−11.2% | Reduced |
| Two Sigma Advisers, LP | 812,000 | $8.54M | 0.02% | +409,600+101.8% | Added |
| Northern Trust Corp | 852,279 | $8.97M | 0.00% | +189,706+28.6% | Added |
| Baird Financial Group, Inc. | 876,927 | $9.23M | 0.01% | −123,784−12.4% | Reduced |
| Susquehanna International Group, LLP | 905,470 | $9.53M | 0.01% | +28,142+3.2% | Added |
| Charles Schwab Investment Management Inc | 974,485 | $10.3M | 0.00% | +477,586+96.1% | Added |
| Stephens Investment Management Group LLC | 1,082,907 | $11.4M | 0.15% | +1,082,907 | New |
| UBS Group AG | 1,548,008 | $16.3M | 0.00% | +816,475+111.6% | Added |
| Two Sigma Investments, LP | 1,753,577 | $18.4M | 0.03% | +341,969+24.2% | Added |
| Goldman Sachs Group Inc | 1,784,117 | $18.8M | 0.00% | +1,243,849+230.2% | Added |
| Voloridge Investment Management, LLC | 1,876,140 | $19.7M | 0.07% | +1,876,140 | New |
| BNP Paribas Arbitrage, SA | 1,943,905 | $20.4M | 0.02% | +1,784,291+1,117.9% | Added |
| Deutsche Bank AG | 2,066,540 | $21.7M | 0.01% | +2,005,102+3,263.6% | Added |
| State Street Corp | 2,189,782 | $23.0M | 0.00% | +1,013,064+86.1% | Added |
| Invesco Ltd. | 2,379,384 | $25.0M | 0.00% | +1,263,846+113.3% | Added |
| Geode Capital Management, LLC | 2,424,888 | $25.5M | 0.00% | +831,281+52.2% | Added |
| Citadel Advisors LLC | 2,506,799 | $26.4M | 0.02% | +2,227,142+796.4% | Added |
| Morgan Stanley | 2,743,705 | $28.9M | 0.00% | +810,078+41.9% | Added |
| Driehaus Capital Management LLC | 3,090,669 | $32.5M | 0.23% | +3,090,669 | New |
| Vanguard Group Inc | 6,512,620 | $68.5M | 0.00% | +1,757,395+37.0% | Added |
| BlackRock, Inc. | 7,455,703 | $78.4M | 0.00% | +2,185,685+41.5% | Added |
| Board of Trustees of The Leland Stanford Junior University | 0 | $0 | 0.00% | −1,146,636−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −274,788−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −135,000−100.0% | Sold out |
| Apis Capital Advisors, LLC | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| Robertson Stephens Wealth Management, LLC | 0 | $0 | 0.00% | −31,094−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −15,373−100.0% | Sold out |
| Spears Abacus Advisors LLC | 0 | $0 | 0.00% | −15,055−100.0% | Sold out |
| Edmond de Rothschild Holding S.A. | 0 | $0 | 0.00% | −14,970−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −13,916−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −11,017−100.0% | Sold out |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −10,270−100.0% | Sold out |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −5,882−100.0% | Sold out |