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 |
|---|---|---|---|---|---|
| Stephens Inc | 28,895 | $487.2K | 0.01% | −332−1.1% | Reduced |
| Sigma Planning Corp | 30,285 | $510.6K | 0.01% | +30,285 | New |
| Vanguard Investments Australia, Ltd. | 30,685 | $517.3K | 0.00% | +30,685 | New |
| Cornerstone Partners Capital Management, LLC | 30,706 | $517.7K | 1.29% | 00.0% | Unchanged |
| CWM Advisors, LLC | 31,051 | $523.5K | 0.03% | −29,191−48.5% | Reduced |
| Brevan Howard Capital Management LP | 31,308 | $527.9K | 0.01% | +31,308 | New |
| Police & Firemen's Retirement System of New Jersey | 31,588 | $532.6K | 0.00% | +1,982+6.7% | Added |
| Intech Investment Management LLC | 32,020 | $539.9K | 0.01% | −19,091−37.4% | Reduced |
| Arizona State Retirement System | 32,284 | $544.3K | 0.00% | +1,222+3.9% | Added |
| Counterpoint Mutual Funds LLC | 32,490 | $547.8K | 0.08% | −550−1.7% | Reduced |
| HITE Hedge Asset Management LLC | 35,313 | $595.4K | 0.03% | −22,489−38.9% | Reduced |
| KLP Kapitalforvaltning AS | 35,900 | $605.3K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 37,336 | $629.5K | 0.00% | +12,575+50.8% | Added |
| Gotham Asset Management, LLC | 39,517 | $666.3K | 0.00% | +39,517 | New |
| Cambridge Investment Research Advisors, Inc. | 39,689 | $669.0K | 0.00% | +39,689 | New |
| Marex Group plc | 39,708 | $669.5K | 0.01% | +39,708 | New |
| Richmond Investment Services, LLC | 39,994 | $674.3K | 0.11% | +29,136+268.3% | Added |
| Bessemer Group Inc | 41,333 | $697.0K | 0.00% | 00.0% | Unchanged |
| FORA Capital, LLC | 41,598 | $700.3K | 0.05% | +2,670+6.9% | Added |
| Harbour Capital Advisors, LLC | 31,480 | $714.3K | 0.14% | +31,480 | New |
| National Asset Management, Inc. | 50,200 | $738.9K | 0.05% | 00.0% | Unchanged |
| Vident Advisory, LLC | 44,168 | $744.7K | 0.01% | +30,604+225.6% | Added |
| Voya Investment Management LLC | 45,332 | $764.3K | 0.00% | +25,962+134.0% | Added |
| Colony Group, LLC | 45,474 | $766.7K | 0.00% | +23,432+106.3% | Added |
| Qsemble Capital Management, LP | 47,333 | $798.0K | 0.06% | +47,333 | New |
| Mirae Asset Global Investments Co., Ltd. | 47,506 | $801.0K | 0.00% | −8,586−15.3% | Reduced |
| Kingswood Wealth Advisors, LLC | 48,705 | $821.2K | 0.04% | +1,000+2.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 50,133 | $845.2K | 0.00% | +7,646+18.0% | Added |
| Alliancebernstein L.P. | 108,260 | $854.2K | 0.00% | −15,600−12.6% | Reduced |
| Parallax Volatility Advisers, L.P. | 40,777 | $873.9K | 0.04% | +40,777 | New |
| Gsa Capital Partners LLP | 52,564 | $886.0K | 0.06% | −44,131−45.6% | Reduced |
| Janus Henderson Group PLC | 52,803 | $889.5K | 0.00% | +13,750+35.2% | Added |
| Flputnam Investment Management Co | 56,604 | $954.3K | 0.01% | +56,604 | New |
| Manufacturers Life Insurance Company, The | 58,790 | $991.2K | 0.00% | +25,510+76.7% | Added |
| Ameriprise Financial Inc | 60,184 | $993.1K | 0.00% | −17,825−22.8% | Reduced |
| AlphaCentric Advisors LLC | 60,000 | $1.01M | 1.01% | +10,000+20.0% | Added |
| Axq Capital, LP | 60,865 | $1.03M | 0.13% | +39,691+187.5% | Added |
| IMC-Chicago, LLC | 62,679 | $1.06M | 0.02% | +62,679 | New |
| MetLife Investment Management | 62,845 | $1.06M | 0.01% | +2,332+3.9% | Added |
| Engineers Gate Manager LP | 70,652 | $1.19M | 0.01% | −289,749−80.4% | Reduced |
| Hel Ved Capital Management Ltd | 71,850 | $1.21M | 0.21% | +71,850 | New |
| Boothbay Fund Management, LLC | 73,064 | $1.23M | 0.03% | −39,260−35.0% | Reduced |
| Vanguard Global Advisers, LLC | 74,787 | $1.26M | 0.00% | +74,787 | New |
| Twinbeech Capital LP | 76,000 | $1.28M | 0.13% | +76,000 | New |
| Occudo Quantitative Strategies LP | 65,508 | $1.38M | 0.08% | +65,508 | New |
| Alberta Investment Management Corp | 82,000 | $1.38M | 0.01% | −44,900−35.4% | Reduced |
| Vanguard Asset Management, Ltd | 83,405 | $1.41M | 0.00% | +83,405 | New |
| Legal & General Group Plc | 86,857 | $1.46M | 0.00% | −15,304−15.0% | Reduced |
| Susquehanna International Group, LLP | 89,170 | $1.50M | 0.00% | −1,602,330−94.7% | Reduced |
| Wells Fargo & Company | 91,913 | $1.55M | 0.00% | −50,442−35.4% | Reduced |
| Franklin Resources Inc | 93,996 | $1.58M | 0.00% | +15,159+19.2% | Added |
| Quantbot Technologies LP | 96,604 | $1.63M | 0.07% | +96,604 | New |
| XTX Topco Ltd | 99,351 | $1.68M | 0.03% | +99,351 | New |
| SLT Holdings LLC | 101,050 | $1.70M | 1.20% | −22,250−18.0% | Reduced |
| Foundations Investment Advisors, LLC | 101,893 | $1.72M | 0.02% | −22,241−17.9% | Reduced |
| Royal Bank of Canada | 101,914 | $1.72M | 0.00% | +9,998+10.9% | Added |
| Apis Capital Advisors, LLC | 108,000 | $1.82M | 0.28% | +108,000 | New |
| CenterBook Partners LP | 118,257 | $1.99M | 0.11% | +118,257 | New |
| Raymond James Financial Inc | 122,294 | $2.06M | 0.00% | −102,132−45.5% | Reduced |
| Ardsley Advisory Partners LP | 125,000 | $2.11M | 0.32% | +125,000 | New |
| Blair William & Co | 126,622 | $2.13M | 0.01% | +86,470+215.4% | Added |
| Rhumbline Advisers | 132,093 | $2.23M | 0.00% | +6,939+5.5% | Added |
| LPL Financial LLC | 134,781 | $2.27M | 0.00% | +20,075+17.5% | Added |
| Schonfeld Strategic Advisors LLC | 135,774 | $2.29M | 0.02% | +135,774 | New |
| AQR Capital Management LLC | 137,726 | $2.32M | 0.00% | +1,627+1.2% | Added |
| Janney Montgomery Scott LLC | 145,246 | $2.45M | 0.01% | −23,234−13.8% | Reduced |
| Hussman Strategic Advisors, Inc. | 147,000 | $2.48M | 0.54% | −63,000−30.0% | Reduced |
| DnB Asset Management AS | 153,032 | $2.58M | 0.01% | +153,032 | New |
| California State Teachers Retirement System | 159,903 | $2.70M | 0.00% | +51,973+48.2% | Added |
| Huntleigh Advisors, Inc. | 162,905 | $2.75M | 0.47% | +2,306+1.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 164,224 | $2.77M | 0.05% | +164,224 | New |
| Amundi | 164,589 | $2.77M | 0.00% | +24,283+17.3% | Added |
| New York State Common Retirement Fund | 165,627 | $2.79M | 0.00% | +135,990+458.9% | Added |
| Alps Advisors Inc | 167,420 | $2.82M | 0.01% | +20,358+13.8% | Added |
| Advisor Group Holdings, Inc. | 169,492 | $2.86M | 0.00% | +160,822+1,854.9% | Added |
| Federated Hermes, Inc. | 169,753 | $2.86M | 0.00% | −116,905−40.8% | Reduced |
| Sender Co & Partners, Inc. | 179,243 | $3.02M | 2.21% | +179,243 | New |
| Algert Global LLC | 215,315 | $3.63M | 0.05% | +82,665+62.3% | Added |
| UBS Asset Management Americas Inc | 225,224 | $3.80M | 0.00% | +36,380+19.3% | Added |
| Arrowstreet Capital, Limited Partnership | 227,132 | $3.83M | 0.00% | +227,132 | New |
| Legato Capital Management LLC | 228,498 | $3.85M | 0.35% | +23,851+11.7% | Added |
| Squarepoint Ops LLC | 232,109 | $3.91M | 0.01% | +14,063+6.4% | Added |
| Swiss National Bank | 232,400 | $3.92M | 0.00% | +10,400+4.7% | Added |
| Zevenbergen Capital Investments LLC | 236,875 | $3.99M | 0.11% | +236,875 | New |
| Nuveen, LLC | 243,895 | $4.11M | 0.00% | +10,736+4.6% | Added |
| EAM Investors, LLC | 262,036 | $4.42M | 0.51% | +25,226+10.7% | Added |
| Bank of America Corp | 265,418 | $4.47M | 0.00% | −34,508−11.5% | Reduced |
| Aquatic Capital Management LLC | 282,663 | $4.77M | 0.14% | +256,445+978.1% | Added |
| BNP Paribas Arbitrage, SA | 286,546 | $4.83M | 0.00% | −420,533−59.5% | Reduced |
| Voleon Capital Management LP | 298,354 | $5.03M | 0.11% | +107,184+56.1% | Added |
| Bank of New York Mellon Corp | 298,865 | $5.04M | 0.00% | −10,849−3.5% | Reduced |
| Silvercrest Asset Management Group LLC | 319,879 | $5.39M | 0.04% | −39,507−11.0% | Reduced |
| Public Sector Pension Investment Board | 332,000 | $5.60M | 0.02% | +332,000 | New |
| Lisanti Capital Growth, LLC | 352,375 | $5.94M | 1.50% | +153,485+77.2% | Added |
| Renaissance Technologies LLC | 359,525 | $6.06M | 0.01% | +246,700+218.7% | Added |
| Calamos Advisors LLC | 364,506 | $6.15M | 0.02% | +245,473+206.2% | Added |
| Palisades Investment Partners, LLC | 369,476 | $6.23M | 2.44% | +369,476 | New |
| First Trust Advisors LP | 394,569 | $6.65M | 0.00% | +361,825+1,105.0% | Added |
| Allspring Global Investments Holdings, LLC | 431,398 | $6.70M | 0.01% | +377,485+700.2% | Added |
| Oppenheimer & Co Inc | 412,509 | $6.95M | 0.08% | −29,581−6.7% | Reduced |