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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,455,703 | $78.4M | 0.00% | +2,185,685+41.5% | Added |
| Vanguard Group Inc | 6,512,620 | $68.5M | 0.00% | +1,757,395+37.0% | Added |
| Driehaus Capital Management LLC | 3,090,669 | $32.5M | 0.23% | +3,090,669 | New |
| Morgan Stanley | 2,743,705 | $28.9M | 0.00% | +810,078+41.9% | Added |
| Citadel Advisors LLC | 2,506,799 | $26.4M | 0.02% | +2,227,142+796.4% | Added |
| Geode Capital Management, LLC | 2,424,888 | $25.5M | 0.00% | +831,281+52.2% | Added |
| Invesco Ltd. | 2,379,384 | $25.0M | 0.00% | +1,263,846+113.3% | Added |
| State Street Corp | 2,189,782 | $23.0M | 0.00% | +1,013,064+86.1% | Added |
| Deutsche Bank AG | 2,066,540 | $21.7M | 0.01% | +2,005,102+3,263.6% | Added |
| BNP Paribas Arbitrage, SA | 1,943,905 | $20.4M | 0.02% | +1,784,291+1,117.9% | Added |
| Voloridge Investment Management, LLC | 1,876,140 | $19.7M | 0.07% | +1,876,140 | New |
| Goldman Sachs Group Inc | 1,784,117 | $18.8M | 0.00% | +1,243,849+230.2% | Added |
| Two Sigma Investments, LP | 1,753,577 | $18.4M | 0.03% | +341,969+24.2% | Added |
| UBS Group AG | 1,548,008 | $16.3M | 0.00% | +816,475+111.6% | Added |
| Stephens Investment Management Group LLC | 1,082,907 | $11.4M | 0.15% | +1,082,907 | New |
| Charles Schwab Investment Management Inc | 974,485 | $10.3M | 0.00% | +477,586+96.1% | Added |
| Susquehanna International Group, LLP | 905,470 | $9.53M | 0.01% | +28,142+3.2% | Added |
| Baird Financial Group, Inc. | 876,927 | $9.23M | 0.01% | −123,784−12.4% | Reduced |
| Northern Trust Corp | 852,279 | $8.97M | 0.00% | +189,706+28.6% | Added |
| Two Sigma Advisers, LP | 812,000 | $8.54M | 0.02% | +409,600+101.8% | Added |
| Stifel Financial Corp | 795,791 | $8.37M | 0.01% | −100,434−11.2% | Reduced |
| Tudor Investment Corp Et Al | 715,736 | $7.53M | 0.05% | +715,736 | New |
| Essex Investment Management Co LLC | 697,387 | $7.34M | 1.12% | −327,970−32.0% | Reduced |
| Capitolis Liquid Global Markets LLC | 680,600 | $7.16M | 0.06% | +680,600 | New |
| Jane Street Group, LLC | 676,664 | $7.12M | 0.01% | +654,309+2,926.9% | Added |
| Millennium Management LLC | 587,832 | $6.18M | 0.00% | −3,028,548−83.7% | Reduced |
| Thames Capital Management LLC | 526,832 | $5.54M | 0.80% | +526,832 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 510,454 | $5.37M | 0.01% | +459,413+900.1% | Added |
| EAM Investors, LLC | 488,530 | $5.08M | 0.58% | +277,278+131.3% | Added |
| Artemis Investment Management LLP | 478,518 | $5.03M | 0.06% | +478,518 | New |
| Arrowstreet Capital, Limited Partnership | 471,791 | $4.96M | 0.00% | +471,791 | New |
| Algert Global LLC | 383,019 | $4.03M | 0.07% | +383,019 | New |
| Polen Capital Management LLC | 339,427 | $3.57M | 0.01% | +339,427 | New |
| Verition Fund Management LLC | 323,444 | $3.40M | 0.02% | +145,792+82.1% | Added |
| Russell Investments Group, Ltd. | 305,073 | $3.21M | 0.00% | +299,258+5,146.3% | Added |
| Oppenheimer & Co Inc | 299,339 | $3.15M | 0.04% | −149,858−33.4% | Reduced |
| Bank of New York Mellon Corp | 291,904 | $3.07M | 0.00% | +98,156+50.7% | Added |
| Bank of America Corp | 290,441 | $3.06M | 0.00% | +163,662+129.1% | Added |
| JPMorgan Chase & Co | 287,716 | $3.03M | 0.00% | −729,501−71.7% | Reduced |
| Janney Montgomery Scott LLC | 283,460 | $2.98M | 0.01% | +267,467+1,672.4% | Added |
| Lisanti Capital Growth, LLC | 265,725 | $2.80M | 0.68% | +265,725 | New |
| Legato Capital Management LLC | 251,268 | $2.64M | 0.29% | −25,606−9.2% | Reduced |
| Trexquant Investment LP | 249,288 | $2.62M | 0.03% | +249,288 | New |
| Jump Financial, LLC | 242,700 | $2.55M | 0.03% | +242,700 | New |
| Nuveen, LLC | 242,272 | $2.55M | 0.00% | +25,094+11.6% | Added |
| Raymond James Financial Inc | 239,968 | $2.52M | 0.00% | +229,143+2,116.8% | Added |
| Next Century Growth Investors LLC | 228,628 | $2.41M | 0.18% | +228,628 | New |
| Jupiter Asset Management Ltd | 199,385 | $2.10M | 0.02% | +199,385 | New |
| Engineers Gate Manager LP | 188,824 | $1.99M | 0.02% | +188,824 | New |
| Osterweis Capital Management Inc | 187,445 | $1.97M | 0.09% | +187,445 | New |
| Quadrature Capital Ltd | 180,197 | $1.90M | 0.02% | +180,197 | New |
| Swiss National Bank | 175,300 | $1.84M | 0.00% | +175,300 | New |
| Cubist Systematic Strategies, LLC | 174,759 | $1.84M | 0.03% | +4,354+2.6% | Added |
| XTX Topco Ltd | 173,005 | $1.82M | 0.09% | +162,585+1,560.3% | Added |
| Calamos Advisors LLC | 171,052 | $1.80M | 0.01% | +171,052 | New |
| LPL Financial LLC | 165,393 | $1.74M | 0.00% | +39,687+31.6% | Added |
| Huntleigh Advisors, Inc. | 156,066 | $1.64M | 0.28% | +10,152+7.0% | Added |
| HRT Financial LP | 150,564 | $1.58M | 0.01% | −65,069−30.2% | Reduced |
| Alps Advisors Inc | 148,780 | $1.57M | 0.01% | +148,780 | New |
| Barclays PLC | 133,334 | $1.40M | 0.00% | −34,169−20.4% | Reduced |
| Quantbot Technologies LP | 131,922 | $1.39M | 0.04% | +131,922 | New |
| AQR Capital Management LLC | 131,511 | $1.38M | 0.00% | +51,509+64.4% | Added |
| Capital Fund Management S.A. | 131,411 | $1.38M | 0.01% | +131,411 | New |
| Prudential Financial Inc | 131,220 | $1.38M | 0.00% | +120,445+1,117.8% | Added |
| Walleye Capital LLC | 130,775 | $1.38M | 0.01% | +130,775 | New |
| Rhumbline Advisers | 129,991 | $1.37M | 0.00% | +6,731+5.5% | Added |
| Royal Bank of Canada | 127,386 | $1.34M | 0.00% | +111,701+712.2% | Added |
| Alliancebernstein L.P. | 123,860 | $1.30M | 0.00% | −40,200−24.5% | Reduced |
| Foundations Investment Advisors, LLC | 121,134 | $1.27M | 0.02% | +28,718+31.1% | Added |
| SLT Holdings LLC | 120,300 | $1.27M | 0.83% | +28,550+31.1% | Added |
| UBS Asset Management Americas Inc | 116,484 | $1.23M | 0.00% | +116,484 | New |
| Gsa Capital Partners LLP | 101,053 | $1.06M | 0.09% | +28,018+38.4% | Added |
| Citigroup Inc | 96,730 | $1.02M | 0.00% | +62,374+181.6% | Added |
| Federated Hermes, Inc. | 91,803 | $965.8K | 0.00% | +91,803 | New |
| Entropy Technologies, LP | 90,101 | $947.9K | 0.07% | +90,101 | New |
| Legal & General Group Plc | 87,377 | $919.2K | 0.00% | +76,994+741.5% | Added |
| California State Teachers Retirement System | 83,626 | $879.7K | 0.00% | +77,810+1,337.9% | Added |
| SEI Investments Co | 78,720 | $828.1K | 0.00% | +68,491+669.6% | Added |
| Kingswood Wealth Advisors, LLC | 77,705 | $817.5K | 0.05% | −7,703−9.0% | Reduced |
| Numerai GP LLC | 74,511 | $783.9K | 0.11% | +74,511 | New |
| Picton Mahoney Asset Management | 70,981 | $746.0K | 0.01% | +70,981 | New |
| Brevan Howard Capital Management LP | 69,792 | $734.2K | 0.01% | +69,792 | New |
| Schonfeld Strategic Advisors LLC | 65,386 | $687.9K | 0.00% | +65,386 | New |
| Omers Administration Corp | 64,400 | $677.5K | 0.00% | +14,800+29.8% | Added |
| Wells Fargo & Company | 58,760 | $618.2K | 0.00% | +8,090+16.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 58,433 | $614.7K | 0.00% | +58,433 | New |
| MetLife Investment Management | 58,207 | $612.3K | 0.00% | 00.0% | Unchanged |
| HITE Hedge Asset Management LLC | 57,802 | $608.1K | 0.03% | −103,642−64.2% | Reduced |
| Squarepoint Ops LLC | 57,605 | $606.0K | 0.00% | −7,777−11.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 49,104 | $591.2K | 0.00% | +49,104 | New |
| Dynamic Technology Lab Private Ltd | 51,550 | $542.0K | 0.09% | +21,321+70.5% | Added |
| National Asset Management, Inc. | 50,700 | $533.4K | 0.03% | +200+0.4% | Added |
| Price T Rowe Associates Inc | 49,115 | $517.0K | 0.00% | −273,892−84.8% | Reduced |
| Harbour Capital Advisors, LLC | 40,315 | $510.8K | 0.10% | +40,315 | New |
| Graham Capital Management, L.P. | 48,045 | $505.4K | 0.02% | −93,500−66.1% | Reduced |
| Counterpoint Mutual Funds LLC | 47,639 | $501.2K | 0.04% | +47,639 | New |
| CWM Advisors, LLC | 43,830 | $461.1K | 0.04% | +43,830 | New |
| Bessemer Group Inc | 41,333 | $435.0K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 39,053 | $411.0K | 0.00% | +39,053 | New |
| CoreCommodity Management, LLC | 38,770 | $407.9K | 0.07% | +38,770 | New |