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, Q2 2026
Institutional positions in Amprius Technologies, Inc. as of Jun 30, 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
- 261
- +18 vs. Q1 2026
- Shares held
- 97.2M
- +12.6M (+14.9%) vs. Q1 2026
- Total value
- $1.35B
- −$74.7M (−5.3%) vs. Q1 2026
- New holders
- 63
- 111 more added
- Sold out
- 45
- 64 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Amprius Technologies, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Holocene Advisors, LP | 27,189 | $376.8K | 0.00% | +27,189 | New |
| Quantinno Capital Management LP | 27,201 | $377.0K | 0.00% | +13,152+93.6% | Added |
| State of Wisconsin Investment Board | 29,589 | $410.1K | 0.00% | +18,127+158.1% | Added |
| Abu Dhabi Investment Council Co P.J.S.C | 29,912 | $414.6K | 0.06% | +29,912 | New |
| Cetera Investment Advisers | 30,651 | $424.8K | 0.00% | +7,876+34.6% | Added |
| Vanguard Investments Australia, Ltd. | 30,685 | $425.3K | 0.00% | 00.0% | Unchanged |
| Cornerstone Partners Capital Management, LLC | 30,706 | $425.6K | 1.24% | 00.0% | Unchanged |
| Toroso Investments, LLC | 30,975 | $429.3K | 0.00% | +10,343+50.1% | Added |
| Quantbot Technologies LP | 31,212 | $432.6K | 0.02% | −65,392−67.7% | Reduced |
| Capstone Investment Advisors, LLC | 32,390 | $448.9K | 0.00% | +32,390 | New |
| Raymond James Financial Inc | 32,672 | $452.8K | 0.00% | −89,622−73.3% | Reduced |
| Arizona State Retirement System | 34,027 | $471.6K | 0.00% | +1,743+5.4% | Added |
| Teachers Retirement System of the State of Kentucky | 34,028 | $472.0K | 0.00% | +34,028 | New |
| KLP Kapitalforvaltning AS | 35,900 | $497.6K | 0.00% | 00.0% | Unchanged |
| Headlands Technologies LLC | 36,716 | $508.9K | 0.05% | +12,081+49.0% | Added |
| Envestnet Asset Management Inc | 36,721 | $509.0K | 0.00% | +8,626+30.7% | Added |
| Creative Planning | 37,923 | $525.6K | 0.00% | +587+1.6% | Added |
| Polymer Capital Management (US) LLC | 38,444 | $532.8K | 0.08% | +10,316+36.7% | Added |
| Gsa Capital Partners LLP | 38,751 | $537.0K | 0.03% | −13,813−26.3% | Reduced |
| FNY Investment Advisers, LLC | 39,302 | $544.0K | 0.20% | +18,545+89.3% | Added |
| Intech Investment Management LLC | 39,360 | $545.5K | 0.01% | +7,340+22.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 40,546 | $562.0K | 0.00% | +8,958+28.4% | Added |
| Bessemer Group Inc | 41,333 | $573.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 43,121 | $597.7K | 0.00% | −7,012−14.0% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 44,721 | $619.8K | 0.00% | −2,785−5.9% | Reduced |
| Geneos Wealth Management Inc. | 45,313 | $628.0K | 0.01% | +28,173+164.4% | Added |
| National Asset Management, Inc. | 48,100 | $650.3K | 0.04% | −2,100−4.2% | Reduced |
| Natixis | 47,000 | $651.4K | 0.00% | +47,000 | New |
| Warberg Asset Management LLC | 47,000 | $651.4K | 0.19% | +47,000 | New |
| Kingswood Wealth Advisors, LLC | 48,389 | $670.7K | 0.03% | −316−0.6% | Reduced |
| Advisor Group Holdings, Inc. | 49,208 | $682.0K | 0.00% | −120,284−71.0% | Reduced |
| CWM Advisors, LLC | 49,310 | $683.4K | 0.03% | +18,259+58.8% | Added |
| AlphaCentric Advisors LLC | 50,000 | $693.0K | 0.59% | −10,000−16.7% | Reduced |
| Counterpoint Mutual Funds LLC | 50,485 | $699.7K | 0.07% | +17,995+55.4% | Added |
| Jupiter Topco LLC | 52,803 | $731.6K | 0.00% | +52,803 | New |
| Hudson Bay Capital Management LP | 53,674 | $743.9K | 0.00% | +53,674 | New |
| Ameriprise Financial Inc | 54,071 | $749.4K | 0.00% | −6,113−10.2% | Reduced |
| Dark Forest Capital Management LP | 54,128 | $750.2K | 0.05% | +54,128 | New |
| Cambridge Investment Research Advisors, Inc. | 55,119 | $764.0K | 0.00% | +15,430+38.9% | Added |
| Caitong International Asset Management Co., Ltd | 55,373 | $767.5K | 0.11% | +31,564+132.6% | Added |
| Atom Investors LP | 56,596 | $784.4K | 0.07% | +56,596 | New |
| Qsemble Capital Management, LP | 57,226 | $793.2K | 0.10% | +9,893+20.9% | Added |
| Wolverine Asset Management LLC | 58,914 | $816.5K | 0.01% | +58,914 | New |
| Vident Advisory, LLC | 59,376 | $823.0K | 0.01% | +15,208+34.4% | Added |
| Flputnam Investment Management Co | 64,411 | $892.7K | 0.01% | +7,807+13.8% | Added |
| State of New Jersey Common Pension Fund D | 64,549 | $894.6K | 0.00% | +64,549 | New |
| PEAK6 LLC | 66,766 | $925.4K | 0.02% | +66,766 | New |
| Squarepoint Ops LLC | 69,211 | $959.3K | 0.00% | −162,898−70.2% | Reduced |
| Parallax Volatility Advisers, L.P. | 69,678 | $965.7K | 0.04% | +28,901+70.9% | Added |
| Manufacturers Life Insurance Company, The | 69,727 | $966.4K | 0.00% | +10,937+18.6% | Added |
| Hel Ved Capital Management Ltd | 71,850 | $995.8K | 0.14% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 75,787 | $1.05M | 0.00% | +1,000+1.3% | Added |
| MetLife Investment Management | 80,714 | $1.12M | 0.01% | +17,869+28.4% | Added |
| Vanguard Asset Management, Ltd | 83,405 | $1.16M | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 84,909 | $1.18M | 0.00% | −9,087−9.7% | Reduced |
| Jain Global LLC | 91,325 | $1.27M | 0.01% | +71,639+363.9% | Added |
| Calamos Advisors LLC | 94,158 | $1.31M | 0.00% | −270,348−74.2% | Reduced |
| Bouvel Investment Partners, LLC | 99,308 | $1.38M | 0.31% | +99,308 | New |
| Citigroup Inc | 101,096 | $1.40M | 0.00% | +87,841+662.7% | Added |
| Ambassador Advisors, LLC | 102,448 | $1.42M | 0.17% | +102,448 | New |
| Hussman Strategic Advisors, Inc. | 105,000 | $1.46M | 0.34% | −42,000−28.6% | Reduced |
| Legal & General Group Plc | 107,923 | $1.50M | 0.00% | +21,066+24.3% | Added |
| Nomura Holdings Inc | 109,808 | $1.52M | 0.01% | +109,808 | New |
| Lisanti Capital Growth, LLC | 113,710 | $1.58M | 0.35% | −238,665−67.7% | Reduced |
| Royal Bank of Canada | 115,322 | $1.60M | 0.00% | +13,408+13.2% | Added |
| SLT Holdings LLC | 117,750 | $1.63M | 1.04% | +16,700+16.5% | Added |
| Legato Capital Management LLC | 118,793 | $1.65M | 0.14% | −109,705−48.0% | Reduced |
| Foundations Investment Advisors, LLC | 119,465 | $1.66M | 0.02% | +17,572+17.2% | Added |
| Canada Pension Plan Investment Board | 119,600 | $1.66M | 0.00% | +119,600 | New |
| Clear Street Group Inc. | 122,474 | $1.70M | 0.01% | +122,474 | New |
| JPMorgan Chase & Co | 123,377 | $1.74M | 0.00% | −1,092,808−89.9% | Reduced |
| Marex Group plc | 126,930 | $1.76M | 0.01% | +87,222+219.7% | Added |
| Marshall Wace, LLP | 131,200 | $1.82M | 0.00% | −1,096,399−89.3% | Reduced |
| California State Teachers Retirement System | 141,264 | $1.96M | 0.00% | −18,639−11.7% | Reduced |
| LPL Financial LLC | 147,233 | $2.04M | 0.00% | +12,452+9.2% | Added |
| Cantor Fitzgerald, L. P. | 147,909 | $2.05M | 0.04% | +147,909 | New |
| Janney Montgomery Scott LLC | 150,646 | $2.09M | 0.00% | +5,400+3.7% | Added |
| Voya Investment Management LLC | 158,658 | $2.20M | 0.00% | +113,326+250.0% | Added |
| Rhumbline Advisers | 167,963 | $2.33M | 0.00% | +35,870+27.2% | Added |
| Huntleigh Advisors, Inc. | 171,028 | $2.37M | 0.33% | +8,123+5.0% | Added |
| AQR Capital Management LLC | 173,155 | $2.40M | 0.00% | +35,429+25.7% | Added |
| ExodusPoint Capital Management, LP | 179,272 | $2.48M | 0.02% | +179,272 | New |
| XTX Topco Ltd | 180,174 | $2.50M | 0.03% | +80,823+81.4% | Added |
| BNP Paribas Arbitrage, SA | 183,631 | $2.55M | 0.00% | −102,915−35.9% | Reduced |
| New York State Common Retirement Fund | 184,227 | $2.55M | 0.00% | +18,600+11.2% | Added |
| Alps Advisors Inc | 184,483 | $2.56M | 0.01% | +17,063+10.2% | Added |
| Alliancebernstein L.P. | 152,060 | $2.56M | 0.00% | +43,800+40.5% | Added |
| HITE Hedge Asset Management LLC | 186,393 | $2.58M | 0.14% | +151,080+427.8% | Added |
| Aquatic Capital Management LLC | 189,235 | $2.62M | 0.09% | −93,428−33.1% | Reduced |
| Blair William & Co | 194,712 | $2.70M | 0.01% | +68,090+53.8% | Added |
| Amundi | 196,767 | $2.73M | 0.00% | +32,178+19.6% | Added |
| Wells Fargo & Company | 197,771 | $2.74M | 0.00% | +105,858+115.2% | Added |
| Russell Investments Group, Ltd. | 202,959 | $2.81M | 0.00% | −340,504−62.7% | Reduced |
| Voleon Capital Management LP | 205,345 | $2.85M | 0.05% | −93,009−31.2% | Reduced |
| Group One Trading, L.P. | 213,312 | $2.96M | 0.09% | +213,312 | New |
| UBS Asset Management Americas Inc | 220,103 | $3.05M | 0.00% | −5,121−2.3% | Reduced |
| Swiss National Bank | 247,500 | $3.43M | 0.00% | +15,100+6.5% | Added |
| HSBC Holdings PLC | 259,508 | $3.62M | 0.00% | +259,508 | New |
| Credit Agricole S A | 265,189 | $3.68M | 0.01% | +265,189 | New |
| Essex Investment Management Co LLC | 284,595 | $3.94M | 0.52% | −160,846−36.1% | Reduced |