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, Q1 2026
Institutional positions in Amprius Technologies, Inc. as of Mar 31, 2026. 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
- 245
- +44 vs. Q4 2025
- Shares held
- 84.6M
- +25.3M (+42.7%) vs. Q4 2025
- Total value
- $1.42B
- +$955.3M (+204.1%) vs. Q4 2025
- New holders
- 79
- 94 more added
- Sold out
- 35
- 57 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Amprius Technologies, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parallel Advisors, LLC | 4,002 | $67.5K | 0.00% | −1,119−21.9% | Reduced |
| KBC Group NV | 3,399 | $57.0K | 0.00% | +3,399 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,224 | $37.5K | 0.00% | +604+37.3% | Added |
| Farther Finance Advisors, LLC | 2,193 | $34.0K | 0.00% | +2,015+1,132.0% | Added |
| Eastern Bank | 2,000 | $33.7K | 0.00% | 00.0% | Unchanged |
| DHJJ Financial Advisors, Ltd. | 2,000 | $33.7K | 0.01% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,971 | $33.2K | 0.00% | +484+32.5% | Added |
| Bank of New Hampshire | 1,793 | $30.2K | 0.01% | +1,793 | New |
| Rockefeller Capital Management L.P. | 1,751 | $29.5K | 0.00% | +1,375+365.7% | Added |
| SRS Capital Advisors, Inc. | 1,735 | $29.5K | 0.00% | +1,729+28,816.7% | Added |
| Global X Japan Co., Ltd. | 1,533 | $25.8K | 0.00% | +46+3.1% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 900 | $15.2K | 0.01% | −1,600−64.0% | Reduced |
| GAMMA Investing LLC | 881 | $14.9K | 0.00% | +115+15.0% | Added |
| Strive Financial Group ,LLC | 775 | $13.0K | 0.01% | +775 | New |
| Kemnay Advisory Services Inc. | 765 | $12.9K | 0.00% | +765 | New |
| Sterling Capital Management LLC | 748 | $12.6K | 0.00% | +27+3.7% | Added |
| Golden State Equity Partners | 600 | $10.1K | 0.00% | +600 | New |
| US Bancorp | 489 | $8.24K | 0.00% | −37,438−98.7% | Reduced |
| TD Waterhouse Canada Inc. | 462 | $7.17K | 0.00% | +462 | New |
| Optiver Holding B.V. | 378 | $6.37K | 0.00% | +26+7.4% | Added |
| Allworth Financial LP | 362 | $6.10K | 0.00% | +292+417.1% | Added |
| Quarry LP | 344 | $5.80K | 0.00% | −2,565−88.2% | Reduced |
| Highline Wealth Partners LLC | 300 | $5.06K | 0.00% | +300 | New |
| Fifth Third Bancorp | 286 | $4.82K | 0.00% | +286 | New |
| Steward Partners Investment Advisory, LLC | 272 | $4.59K | 0.00% | 00.0% | Unchanged |
| NVWM, LLC | 264 | $4.45K | 0.00% | +40+17.9% | Added |
| CoreCap Advisors, LLC | 246 | $4.15K | 0.00% | +246 | New |
| Essential Partners LLC | 245 | $4.13K | 0.00% | −2−0.8% | Reduced |
| Smartleaf Asset Management LLC | 269 | $3.96K | 0.00% | +269 | New |
| SJS Investment Consulting Inc. | 205 | $3.46K | 0.00% | +205 | New |
| Cornerstone Financial Management LLC | 205 | $3.46K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 198 | $3.34K | 0.00% | +97+96.0% | Added |
| Avion Wealth | 200 | $3.00K | 0.00% | +200 | New |
| Armstrong Advisory Group, Inc | 148 | $2.50K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 74 | $1.25K | 0.00% | +74 | New |
| Root Financial Partners, LLC | 73 | $1.23K | 0.00% | +73 | New |
| Massmutual Trust Co FSB | 66 | $1.11K | 0.00% | +66 | New |
| True Wealth Design, LLC | 61 | $1.03K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 50 | $842 | 0.00% | +30+150.0% | Added |
| Hollencrest Capital Management | 40 | $674 | 0.00% | 00.0% | Unchanged |
| DecisionPoint Financial, LLC | 37 | $624 | 0.00% | +37 | New |
| Versant Capital Management, Inc | 18 | $303 | 0.00% | +18 | New |
| Aspect Partners, LLC | 17 | $287 | 0.00% | −458−96.4% | Reduced |
| Twin Peaks Wealth Advisors, LLC | 9 | $152 | 0.00% | +9 | New |
| Covestor Ltd | 12 | $0 | 0.00% | +12 | New |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −1,100,000−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −960,912−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −479,500−100.0% | Sold out |
| Artemis Investment Management LLP | 0 | $0 | 0.00% | −464,029−100.0% | Sold out |
| Osterweis Capital Management Inc | 0 | $0 | 0.00% | −454,830−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −269,406−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −116,624−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −109,020−100.0% | Sold out |
| Ambassador Advisors, LLC | 0 | $0 | 0.00% | −101,175−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −96,209−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −78,600−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −74,774−100.0% | Sold out |
| CoreCommodity Management, LLC | 0 | $0 | 0.00% | −74,022−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −71,885−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −64,382−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −55,100−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −42,991−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −26,560−100.0% | Sold out |
| Lombard Odier Asset Management (USA) Corp | 0 | $0 | 0.00% | −23,942−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −23,321−100.0% | Sold out |
| Abacus Wealth Partners, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| DMG Group, LLC | 0 | $0 | 0.00% | −13,204−100.0% | Sold out |
| AlphaGrep UK Ltd | 0 | $0 | 0.00% | −12,895−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −11,269−100.0% | Sold out |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −10,919−100.0% | Sold out |
| Worth Venture Partners, LLC | 0 | $0 | 0.00% | −10,875−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −10,381−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −6,850−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −3,468−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Delta Asset Management LLC | 0 | $0 | 0.00% | −205−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −172−100.0% | Sold out |
| Quattro Advisors LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| MidWestOne Financial Group, Inc. | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |