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 |
|---|---|---|---|---|---|
| Intech Investment Management LLC | 38,203 | $401.9K | 0.00% | −6,569−14.7% | Reduced |
| KLP Kapitalforvaltning AS | 35,900 | $377.7K | 0.00% | +35,900 | New |
| Los Angeles Capital Management LLC | 35,693 | $375.5K | 0.00% | −34,884−49.4% | Reduced |
| Point72 Asset Management, L.P. | 33,916 | $356.8K | 0.00% | +33,916 | New |
| Voleon Capital Management LP | 33,507 | $352.5K | 0.01% | +33,507 | New |
| Ameriprise Financial Inc | 33,014 | $347.3K | 0.00% | +33,014 | New |
| Fox Run Management, L.L.C. | 32,523 | $342.1K | 0.05% | +32,523 | New |
| State of Wisconsin Investment Board | 31,944 | $336.1K | 0.00% | +31,944 | New |
| Diametric Capital, LP | 31,740 | $333.9K | 0.12% | +31,740 | New |
| Manufacturers Life Insurance Company, The | 31,659 | $333.1K | 0.00% | −2,642−7.7% | Reduced |
| Cornerstone Partners Capital Management, LLC | 30,706 | $323.0K | 0.94% | 00.0% | Unchanged |
| First Trust Advisors LP | 30,678 | $322.7K | 0.00% | +30,678 | New |
| Advisory Services Network, LLC | 30,466 | $320.5K | 0.00% | −308−1.0% | Reduced |
| Marshall Wace, LLP | 30,368 | $319.5K | 0.00% | −1,075,045−97.3% | Reduced |
| New York State Common Retirement Fund | 29,637 | $311.8K | 0.00% | +17,600+146.2% | Added |
| Group One Trading, L.P. | 28,891 | $303.9K | 0.01% | +17,387+151.1% | Added |
| Aigen Investment Management, LP | 27,190 | $286.0K | 0.04% | +9,379+52.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 26,911 | $283.1K | 0.00% | +5,777+27.3% | Added |
| Arizona State Retirement System | 26,753 | $281.4K | 0.00% | +26,753 | New |
| PharVision Advisers, LLC | 26,558 | $279.4K | 0.16% | +26,558 | New |
| Colony Group, LLC | 26,484 | $275.5K | 0.00% | +2,245+9.3% | Added |
| Blair William & Co | 24,788 | $260.8K | 0.00% | +24,788 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,680 | $259.6K | 0.00% | +24,680 | New |
| Creative Planning | 22,826 | $240.1K | 0.00% | +8,573+60.1% | Added |
| Envestnet Asset Management Inc | 22,095 | $232.4K | 0.00% | +22,095 | New |
| Toroso Investments, LLC | 21,064 | $221.6K | 0.00% | +21,064 | New |
| Stephens Inc | 20,331 | $213.9K | 0.00% | +20,331 | New |
| Dark Forest Capital Management LP | 20,133 | $211.8K | 0.01% | +20,133 | New |
| Abacus Wealth Partners, LLC | 20,000 | $210.4K | 0.03% | +20,000 | New |
| JustInvest LLC | 19,638 | $206.6K | 0.00% | +504+2.6% | Added |
| Ewa, LLC | 19,235 | $202.4K | 0.06% | +222+1.2% | Added |
| MidWestOne Financial Group, Inc. | 18,308 | $192.6K | 0.02% | −238−1.3% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 17,544 | $185.0K | 0.00% | +17,544 | New |
| Axq Capital, LP | 17,376 | $182.8K | 0.07% | +17,376 | New |
| Voya Investment Management LLC | 16,876 | $177.5K | 0.00% | −9,016−34.8% | Reduced |
| HighTower Advisors, LLC | 16,834 | $177.1K | 0.00% | +16,834 | New |
| DRW Securities, LLC | 16,424 | $173.4K | 0.01% | +16,424 | New |
| Boothbay Fund Management, LLC | 16,114 | $169.5K | 0.00% | +16,114 | New |
| Pictet Asset Management Holding SA | 16,099 | $169.4K | 0.00% | +16,099 | New |
| ProShare Advisors LLC | 15,937 | $167.7K | 0.00% | −3,175−16.6% | Reduced |
| Caitong International Asset Management Co., Ltd | 15,220 | $160.1K | 0.11% | +13,454+761.8% | Added |
| Richmond Investment Services, LLC | 14,796 | $155.7K | 0.03% | +14,796 | New |
| Prelude Capital Management, LLC | 14,018 | $147.5K | 0.01% | +14,018 | New |
| FORA Capital, LLC | 13,391 | $140.9K | 0.02% | +13,391 | New |
| DMG Group, LLC | 12,944 | $136.2K | 0.09% | +12,944 | New |
| Renaissance Technologies LLC | 12,400 | $130.4K | 0.00% | −1,334,200−99.1% | Reduced |
| Victory Capital Management Inc | 11,817 | $124.3K | 0.00% | +1,516+14.7% | Added |
| Cetera Investment Advisers | 11,612 | $122.2K | 0.00% | +11,612 | New |
| Teacher Retirement System of Texas | 11,563 | $121.6K | 0.00% | +11,563 | New |
| Bryce Point Capital, LLC | 11,146 | $117.3K | 0.14% | +11,146 | New |
| IPG Investment Advisors LLC | 10,950 | $115.2K | 0.02% | +10,950 | New |
| Atom Investors LP | 10,472 | $110.2K | 0.01% | +10,472 | New |
| NBC Securities, Inc. | 8,438 | $88.8K | 0.01% | +8,438 | New |
| FMR LLC | 8,221 | $86.5K | 0.00% | +265+3.3% | Added |
| Ameritas Investment Partners, Inc. | 7,787 | $81.9K | 0.00% | −1,729−18.2% | Reduced |
| Tower Research Capital LLC (TRC) | 7,539 | $79.3K | 0.00% | +2,126+39.3% | Added |
| Geneos Wealth Management Inc. | 7,045 | $74.1K | 0.00% | +7,045 | New |
| Parallel Advisors, LLC | 5,121 | $53.9K | 0.00% | +5,121 | New |
| Jones Financial Companies LLLP | 4,532 | $49.5K | 0.00% | +3,532+353.2% | Added |
| Advisor Group Holdings, Inc. | 4,602 | $47.4K | 0.00% | +3,402+283.5% | Added |
| CWM, LLC | 4,462 | $47.0K | 0.00% | −19−0.4% | Reduced |
| Quarry LP | 3,990 | $42.0K | 0.01% | +3,990 | New |
| Eastern Bank | 2,000 | $21.0K | 0.00% | 00.0% | Unchanged |
| DHJJ Financial Advisors, Ltd. | 2,000 | $21.0K | 0.01% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,639 | $17.2K | 0.00% | +1,200+273.3% | Added |
| The PNC Financial Services Group, Inc. | 1,428 | $15.0K | 0.00% | +14+1.0% | Added |
| Optiver Holding B.V. | 610 | $6.42K | 0.00% | +610 | New |
| Harbour Investments, Inc. | 600 | $6.31K | 0.00% | +600 | New |
| Amalgamated Bank | 566 | $6.00K | 0.00% | 00.0% | Unchanged |
| Aspect Partners, LLC | 555 | $5.84K | 0.00% | +555 | New |
| SRS Capital Advisors, Inc. | 400 | $4.21K | 0.00% | +400 | New |
| US Bancorp | 361 | $3.80K | 0.00% | +361 | New |
| MCF Advisors LLC | 292 | $3.07K | 0.00% | +292 | New |
| Essential Partners LLC | 245 | $2.58K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 226 | $2.38K | 0.00% | +1+0.4% | Added |
| Steward Partners Investment Advisory, LLC | 222 | $2.33K | 0.00% | 00.0% | Unchanged |
| Delta Asset Management LLC | 200 | $2.10K | 0.00% | −150−42.9% | Reduced |
| NVWM, LLC | 150 | $1.58K | 0.00% | +150 | New |
| Fortitude Family Office, LLC | 101 | $1.06K | 0.00% | +101 | New |
| Farther Finance Advisors, LLC | 77 | $810 | 0.00% | +76+7,600.0% | Added |
| GAMMA Investing LLC | 77 | $810 | 0.00% | +77 | New |
| True Wealth Design, LLC | 61 | $642 | 0.00% | 00.0% | Unchanged |
| Hollencrest Capital Management | 40 | $421 | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 30 | $316 | 0.00% | +30 | New |
| SWAN Capital LLC | 29 | $305 | 0.00% | +29 | New |
| Allworth Financial LP | 28 | $295 | 0.00% | +28 | New |
| EverSource Wealth Advisors, LLC | 20 | $210 | 0.00% | 00.0% | Unchanged |
| 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 |