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, Q4 2025
Institutional positions in Amprius Technologies, Inc. as of Dec 31, 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
- 206
- +21 vs. Q3 2025
- Shares held
- 67.7M
- +4.31M (+6.8%) vs. Q3 2025
- Total value
- $534.7M
- −$132.7M (−19.9%) vs. Q3 2025
- New holders
- 49
- 86 more added
- Sold out
- 28
- 53 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Amprius Technologies, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,823,779 | $69.6M | 0.00% | +1,368,076+18.3% | Added |
| Vanguard Group Inc | 7,128,657 | $56.2M | 0.00% | +616,037+9.5% | Added |
| Morgan Stanley | 2,809,821 | $22.2M | 0.00% | +66,116+2.4% | Added |
| Geode Capital Management, LLC | 2,678,417 | $21.1M | 0.00% | +253,529+10.5% | Added |
| State Street Corp | 2,553,710 | $20.1M | 0.00% | +363,928+16.6% | Added |
| Driehaus Capital Management LLC | 2,393,212 | $18.9M | 0.13% | −697,457−22.6% | Reduced |
| Goldman Sachs Group Inc | 2,194,841 | $17.3M | 0.00% | +410,724+23.0% | Added |
| UBS Group AG | 2,098,946 | $16.6M | 0.00% | +550,938+35.6% | Added |
| Deutsche Bank AG | 1,955,018 | $15.4M | 0.01% | −111,522−5.4% | Reduced |
| Susquehanna International Group, LLP | 1,691,500 | $13.3M | 0.02% | +786,030+86.8% | Added |
| Voloridge Investment Management, LLC | 1,602,001 | $12.6M | 0.04% | −274,139−14.6% | Reduced |
| Stephens Investment Management Group LLC | 1,441,698 | $11.4M | 0.15% | +358,791+33.1% | Added |
| Two Sigma Investments, LP | 1,436,939 | $11.3M | 0.02% | −316,638−18.1% | Reduced |
| Invesco Ltd. | 1,311,915 | $10.4M | 0.00% | −1,067,469−44.9% | Reduced |
| Norges Bank | 1,304,838 | $10.3M | 0.00% | +1,304,838 | New |
| Hudson Bay Capital Management LP | 1,100,000 | $8.68M | 0.05% | +1,100,000 | New |
| Millennium Management LLC | 1,085,270 | $8.56M | 0.01% | +497,438+84.6% | Added |
| Charles Schwab Investment Management Inc | 1,036,891 | $8.18M | 0.00% | +62,406+6.4% | Added |
| William Blair Investment Management, LLC | 984,906 | $7.77M | 0.02% | +984,906 | New |
| Northern Trust Corp | 963,171 | $7.60M | 0.00% | +110,892+13.0% | Added |
| Jupiter Asset Management Ltd | 960,912 | $7.58M | 0.06% | +761,527+381.9% | Added |
| Qube Research & Technologies Ltd | 874,080 | $6.90M | 0.01% | +874,080 | New |
| Hood River Capital Management LLC | 809,744 | $6.39M | 0.07% | +809,744 | New |
| Baird Financial Group, Inc. | 773,428 | $6.10M | 0.01% | −103,499−11.8% | Reduced |
| Stifel Financial Corp | 771,509 | $6.09M | 0.01% | −24,282−3.1% | Reduced |
| BNP Paribas Arbitrage, SA | 707,079 | $5.58M | 0.00% | −1,236,826−63.6% | Reduced |
| Thames Capital Management LLC | 526,832 | $4.16M | 0.60% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 516,765 | $4.08M | 0.62% | −180,622−25.9% | Reduced |
| Point72 Asset Management, L.P. | 493,862 | $3.90M | 0.01% | +459,946+1,356.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 490,886 | $3.87M | 0.01% | −19,568−3.8% | Reduced |
| Two Sigma Advisers, LP | 479,500 | $3.78M | 0.01% | −332,500−40.9% | Reduced |
| Barclays PLC | 469,906 | $3.71M | 0.00% | +336,572+252.4% | Added |
| Artemis Investment Management LLP | 464,029 | $3.66M | 0.04% | −14,489−3.0% | Reduced |
| Citadel Advisors LLC | 454,854 | $3.59M | 0.00% | −2,051,945−81.9% | Reduced |
| Osterweis Capital Management Inc | 454,830 | $3.59M | 0.15% | +267,385+142.6% | Added |
| Oppenheimer & Co Inc | 442,090 | $3.49M | 0.05% | +142,751+47.7% | Added |
| SEI Investments Co | 431,786 | $3.41M | 0.00% | +353,066+448.5% | Added |
| Engineers Gate Manager LP | 360,401 | $2.84M | 0.03% | +171,577+90.9% | Added |
| Silvercrest Asset Management Group LLC | 359,386 | $2.84M | 0.02% | +359,386 | New |
| Bank of New York Mellon Corp | 309,714 | $2.44M | 0.00% | +17,810+6.1% | Added |
| Bank of America Corp | 299,926 | $2.37M | 0.00% | +9,485+3.3% | Added |
| Verition Fund Management LLC | 292,097 | $2.30M | 0.01% | −31,347−9.7% | Reduced |
| Polen Capital Management LLC | 288,290 | $2.27M | 0.01% | −51,137−15.1% | Reduced |
| Federated Hermes, Inc. | 286,658 | $2.26M | 0.00% | +194,855+212.3% | Added |
| Walleye Capital LLC | 269,406 | $2.13M | 0.01% | +138,631+106.0% | Added |
| SG Americas Securities, LLC | 255,252 | $2.01M | 0.00% | +255,252 | New |
| EAM Investors, LLC | 236,810 | $1.87M | 0.21% | −251,720−51.5% | Reduced |
| Russell Investments Group, Ltd. | 235,019 | $1.85M | 0.00% | −70,054−23.0% | Reduced |
| Nuveen, LLC | 233,159 | $1.84M | 0.00% | −9,113−3.8% | Reduced |
| Raymond James Financial Inc | 224,426 | $1.77M | 0.00% | −15,542−6.5% | Reduced |
| Swiss National Bank | 222,000 | $1.75M | 0.00% | +46,700+26.6% | Added |
| Squarepoint Ops LLC | 218,046 | $1.72M | 0.00% | +160,441+278.5% | Added |
| Jane Street Group, LLC | 213,425 | $1.68M | 0.00% | −463,239−68.5% | Reduced |
| Hussman Strategic Advisors, Inc. | 210,000 | $1.66M | 0.40% | +210,000 | New |
| Legato Capital Management LLC | 204,647 | $1.61M | 0.14% | −46,621−18.6% | Reduced |
| Lisanti Capital Growth, LLC | 198,890 | $1.57M | 0.37% | −66,835−25.2% | Reduced |
| Voleon Capital Management LP | 191,170 | $1.51M | 0.03% | +157,663+470.5% | Added |
| UBS Asset Management Americas Inc | 188,844 | $1.49M | 0.00% | +72,360+62.1% | Added |
| Janney Montgomery Scott LLC | 168,480 | $1.33M | 0.00% | −114,980−40.6% | Reduced |
| Huntleigh Advisors, Inc. | 160,599 | $1.27M | 0.21% | +4,533+2.9% | Added |
| Alps Advisors Inc | 147,062 | $1.16M | 0.01% | −1,718−1.2% | Reduced |
| Wells Fargo & Company | 142,355 | $1.12M | 0.00% | +83,595+142.3% | Added |
| Amundi | 140,306 | $1.11M | 0.00% | +140,306 | New |
| AQR Capital Management LLC | 136,099 | $1.07M | 0.00% | +4,588+3.5% | Added |
| Algert Global LLC | 132,650 | $1.05M | 0.02% | −250,369−65.4% | Reduced |
| Alberta Investment Management Corp | 126,900 | $1.00M | 0.01% | +126,900 | New |
| Rhumbline Advisers | 125,154 | $987.5K | 0.00% | −4,837−3.7% | Reduced |
| Foundations Investment Advisors, LLC | 124,134 | $979.4K | 0.01% | +3,000+2.5% | Added |
| Alliancebernstein L.P. | 123,860 | $977.3K | 0.00% | 00.0% | Unchanged |
| SLT Holdings LLC | 123,300 | $972.8K | 0.65% | +3,000+2.5% | Added |
| Calamos Advisors LLC | 119,033 | $939.2K | 0.00% | −52,019−30.4% | Reduced |
| Mangrove Partners | 116,624 | $920.2K | 0.07% | +116,624 | New |
| LPL Financial LLC | 114,706 | $905.0K | 0.00% | −50,687−30.6% | Reduced |
| Renaissance Technologies LLC | 112,825 | $890.2K | 0.00% | +100,425+809.9% | Added |
| Boothbay Fund Management, LLC | 112,324 | $886.2K | 0.02% | +96,210+597.1% | Added |
| Capital Fund Management S.A. | 109,020 | $860.2K | 0.01% | −22,391−17.0% | Reduced |
| California State Teachers Retirement System | 107,930 | $851.6K | 0.00% | +24,304+29.1% | Added |
| Legal & General Group Plc | 102,161 | $806.1K | 0.00% | +14,784+16.9% | Added |
| Ambassador Advisors, LLC | 101,175 | $798.3K | 0.12% | +101,175 | New |
| Gsa Capital Partners LLP | 96,695 | $763.0K | 0.07% | −4,358−4.3% | Reduced |
| Numerai GP LLC | 96,209 | $759.1K | 0.09% | +21,698+29.1% | Added |
| Royal Bank of Canada | 91,916 | $726.0K | 0.00% | −35,470−27.8% | Reduced |
| JPMorgan Chase & Co | 83,449 | $658.4K | 0.00% | −204,267−71.0% | Reduced |
| Price T Rowe Associates Inc | 80,578 | $636.0K | 0.00% | +31,463+64.1% | Added |
| Franklin Resources Inc | 78,837 | $622.0K | 0.00% | +78,837 | New |
| Polar Asset Management Partners Inc. | 78,600 | $620.2K | 0.01% | +78,600 | New |
| Ameriprise Financial Inc | 78,009 | $615.5K | 0.00% | +44,995+136.3% | Added |
| Fox Run Management, L.L.C. | 74,774 | $590.0K | 0.09% | +42,251+129.9% | Added |
| Citigroup Inc | 74,764 | $589.9K | 0.00% | −21,966−22.7% | Reduced |
| CoreCommodity Management, LLC | 74,022 | $584.0K | 0.12% | +35,252+90.9% | Added |
| Dark Forest Capital Management LP | 71,885 | $567.2K | 0.03% | +51,752+257.1% | Added |
| Granahan Investment Management Inc | 64,382 | $508.0K | 0.02% | +64,382 | New |
| MetLife Investment Management | 60,513 | $477.4K | 0.00% | +2,306+4.0% | Added |
| CWM Advisors, LLC | 60,242 | $475.3K | 0.04% | +16,412+37.4% | Added |
| Allspring Global Investments Holdings, LLC | 53,913 | $471.2K | 0.00% | +4,809+9.8% | Added |
| HITE Hedge Asset Management LLC | 57,802 | $456.1K | 0.03% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 56,092 | $442.6K | 0.00% | −2,341−4.0% | Reduced |
| Los Angeles Capital Management LLC | 35,693 | $438.7K | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 55,100 | $434.7K | 0.00% | +55,100 | New |
| Intech Investment Management LLC | 51,111 | $403.3K | 0.00% | +12,908+33.8% | Added |