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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,225,611 | $155.5M | 0.00% | +401,832+4.6% | Added |
| Vanguard Capital Management LLC | 4,908,875 | $82.8M | 0.00% | +4,908,875 | New |
| Jane Street Group, LLC | 4,160,656 | $70.1M | 0.08% | +3,947,231+1,849.5% | Added |
| Driehaus Capital Management LLC | 3,794,178 | $64.0M | 0.47% | +1,400,966+58.5% | Added |
| Two Sigma Investments, LP | 3,506,075 | $59.1M | 0.05% | +2,069,136+144.0% | Added |
| Morgan Stanley | 3,162,167 | $53.3M | 0.00% | +352,346+12.5% | Added |
| Geode Capital Management, LLC | 2,814,530 | $47.5M | 0.00% | +136,113+5.1% | Added |
| State Street Corp | 2,712,630 | $45.7M | 0.00% | +158,920+6.2% | Added |
| UBS Group AG | 2,311,554 | $39.0M | 0.01% | +212,608+10.1% | Added |
| Goldman Sachs Group Inc | 2,226,181 | $37.5M | 0.00% | +31,340+1.4% | Added |
| Massachusetts Financial Services Co | 2,024,760 | $34.1M | 0.01% | +2,024,760 | New |
| Price T Rowe Associates Inc | 1,897,420 | $32.0M | 0.00% | +1,816,842+2,254.8% | Added |
| Baird Financial Group, Inc. | 1,585,098 | $26.7M | 0.04% | +811,670+104.9% | Added |
| Citadel Advisors LLC | 1,438,660 | $24.3M | 0.02% | +983,806+216.3% | Added |
| Marshall Wace, LLP | 1,227,599 | $20.7M | 0.02% | +1,227,599 | New |
| Qube Research & Technologies Ltd | 1,227,570 | $20.7M | 0.03% | +353,490+40.4% | Added |
| William Blair Investment Management, LLC | 1,170,131 | $19.7M | 0.07% | +185,225+18.8% | Added |
| D. E. Shaw & Co., Inc. | 1,075,386 | $18.1M | 0.01% | +1,075,386 | New |
| Vanguard Portfolio Management LLC | 1,073,396 | $18.1M | 0.00% | +1,073,396 | New |
| JPMorgan Chase & Co | 1,216,185 | $17.9M | 0.00% | +1,132,736+1,357.4% | Added |
| Barclays PLC | 1,054,927 | $17.8M | 0.01% | +585,021+124.5% | Added |
| Charles Schwab Investment Management Inc | 1,039,394 | $17.5M | 0.00% | +2,503+0.2% | Added |
| Millennium Management LLC | 1,035,238 | $17.5M | 0.01% | −50,032−4.6% | Reduced |
| Northern Trust Corp | 1,022,625 | $17.2M | 0.00% | +59,454+6.2% | Added |
| HRT Financial LP | 1,002,658 | $16.9M | 0.04% | +1,002,658 | New |
| Hood River Capital Management LLC | 949,147 | $16.0M | 0.16% | +139,403+17.2% | Added |
| Stephens Investment Management Group LLC | 893,108 | $15.1M | 0.21% | −548,590−38.1% | Reduced |
| Deutsche Bank AG | 875,031 | $14.8M | 0.00% | −1,079,987−55.2% | Reduced |
| Vanguard Fiduciary Trust Co | 872,582 | $14.7M | 0.00% | +872,582 | New |
| Wolf Hill Capital Management, LP | 802,925 | $13.5M | 1.92% | +802,925 | New |
| MYDA Advisors LLC | 735,000 | $12.4M | 2.93% | +735,000 | New |
| Stifel Financial Corp | 733,172 | $12.4M | 0.01% | −38,337−5.0% | Reduced |
| Trexquant Investment LP | 716,257 | $12.1M | 0.09% | +685,247+2,209.8% | Added |
| Science & Technology Partners, L.P. | 635,106 | $10.7M | 2.80% | +635,106 | New |
| Oberweis Asset Management Inc | 585,000 | $9.86M | 0.29% | +585,000 | New |
| SEI Investments Co | 579,161 | $9.76M | 0.01% | +147,375+34.1% | Added |
| Russell Investments Group, Ltd. | 543,463 | $9.16M | 0.01% | +308,444+131.2% | Added |
| Voloridge Investment Management, LLC | 531,998 | $8.97M | 0.04% | −1,070,003−66.8% | Reduced |
| Thames Capital Management LLC | 526,832 | $8.88M | 1.59% | 00.0% | Unchanged |
| Invesco Ltd. | 498,804 | $8.41M | 0.00% | −813,111−62.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 489,652 | $8.26M | 0.01% | −1,234−0.3% | Reduced |
| Essex Investment Management Co LLC | 445,441 | $7.51M | 1.19% | −71,324−13.8% | Reduced |
| SG Americas Securities, LLC | 423,037 | $7.13M | 0.01% | +167,785+65.7% | Added |
| Polen Capital Management LLC | 422,145 | $7.12M | 0.05% | +133,855+46.4% | Added |
| Tudor Investment Corp Et Al | 419,661 | $7.08M | 0.04% | +419,661 | New |
| Oppenheimer & Co Inc | 412,509 | $6.95M | 0.08% | −29,581−6.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 431,398 | $6.70M | 0.01% | +377,485+700.2% | Added |
| First Trust Advisors LP | 394,569 | $6.65M | 0.00% | +361,825+1,105.0% | Added |
| Palisades Investment Partners, LLC | 369,476 | $6.23M | 2.44% | +369,476 | New |
| Calamos Advisors LLC | 364,506 | $6.15M | 0.02% | +245,473+206.2% | Added |
| Renaissance Technologies LLC | 359,525 | $6.06M | 0.01% | +246,700+218.7% | Added |
| Lisanti Capital Growth, LLC | 352,375 | $5.94M | 1.50% | +153,485+77.2% | Added |
| Public Sector Pension Investment Board | 332,000 | $5.60M | 0.02% | +332,000 | New |
| Silvercrest Asset Management Group LLC | 319,879 | $5.39M | 0.04% | −39,507−11.0% | Reduced |
| Bank of New York Mellon Corp | 298,865 | $5.04M | 0.00% | −10,849−3.5% | Reduced |
| Voleon Capital Management LP | 298,354 | $5.03M | 0.11% | +107,184+56.1% | Added |
| BNP Paribas Arbitrage, SA | 286,546 | $4.83M | 0.00% | −420,533−59.5% | Reduced |
| Aquatic Capital Management LLC | 282,663 | $4.77M | 0.14% | +256,445+978.1% | Added |
| Bank of America Corp | 265,418 | $4.47M | 0.00% | −34,508−11.5% | Reduced |
| EAM Investors, LLC | 262,036 | $4.42M | 0.51% | +25,226+10.7% | Added |
| Nuveen, LLC | 243,895 | $4.11M | 0.00% | +10,736+4.6% | Added |
| Zevenbergen Capital Investments LLC | 236,875 | $3.99M | 0.11% | +236,875 | New |
| Swiss National Bank | 232,400 | $3.92M | 0.00% | +10,400+4.7% | Added |
| Squarepoint Ops LLC | 232,109 | $3.91M | 0.01% | +14,063+6.4% | Added |
| Legato Capital Management LLC | 228,498 | $3.85M | 0.35% | +23,851+11.7% | Added |
| Arrowstreet Capital, Limited Partnership | 227,132 | $3.83M | 0.00% | +227,132 | New |
| UBS Asset Management Americas Inc | 225,224 | $3.80M | 0.00% | +36,380+19.3% | Added |
| Algert Global LLC | 215,315 | $3.63M | 0.05% | +82,665+62.3% | Added |
| Sender Co & Partners, Inc. | 179,243 | $3.02M | 2.21% | +179,243 | New |
| Federated Hermes, Inc. | 169,753 | $2.86M | 0.00% | −116,905−40.8% | Reduced |
| Advisor Group Holdings, Inc. | 169,492 | $2.86M | 0.00% | +160,822+1,854.9% | Added |
| Alps Advisors Inc | 167,420 | $2.82M | 0.01% | +20,358+13.8% | Added |
| New York State Common Retirement Fund | 165,627 | $2.79M | 0.00% | +135,990+458.9% | Added |
| Amundi | 164,589 | $2.77M | 0.00% | +24,283+17.3% | Added |
| Y-Intercept (Hong Kong) Ltd | 164,224 | $2.77M | 0.05% | +164,224 | New |
| Huntleigh Advisors, Inc. | 162,905 | $2.75M | 0.47% | +2,306+1.4% | Added |
| California State Teachers Retirement System | 159,903 | $2.70M | 0.00% | +51,973+48.2% | Added |
| DnB Asset Management AS | 153,032 | $2.58M | 0.01% | +153,032 | New |
| Hussman Strategic Advisors, Inc. | 147,000 | $2.48M | 0.54% | −63,000−30.0% | Reduced |
| Janney Montgomery Scott LLC | 145,246 | $2.45M | 0.01% | −23,234−13.8% | Reduced |
| AQR Capital Management LLC | 137,726 | $2.32M | 0.00% | +1,627+1.2% | Added |
| Schonfeld Strategic Advisors LLC | 135,774 | $2.29M | 0.02% | +135,774 | New |
| LPL Financial LLC | 134,781 | $2.27M | 0.00% | +20,075+17.5% | Added |
| Rhumbline Advisers | 132,093 | $2.23M | 0.00% | +6,939+5.5% | Added |
| Blair William & Co | 126,622 | $2.13M | 0.01% | +86,470+215.4% | Added |
| Ardsley Advisory Partners LP | 125,000 | $2.11M | 0.32% | +125,000 | New |
| Raymond James Financial Inc | 122,294 | $2.06M | 0.00% | −102,132−45.5% | Reduced |
| CenterBook Partners LP | 118,257 | $1.99M | 0.11% | +118,257 | New |
| Apis Capital Advisors, LLC | 108,000 | $1.82M | 0.28% | +108,000 | New |
| Royal Bank of Canada | 101,914 | $1.72M | 0.00% | +9,998+10.9% | Added |
| Foundations Investment Advisors, LLC | 101,893 | $1.72M | 0.02% | −22,241−17.9% | Reduced |
| SLT Holdings LLC | 101,050 | $1.70M | 1.20% | −22,250−18.0% | Reduced |
| XTX Topco Ltd | 99,351 | $1.68M | 0.03% | +99,351 | New |
| Quantbot Technologies LP | 96,604 | $1.63M | 0.07% | +96,604 | New |
| Franklin Resources Inc | 93,996 | $1.58M | 0.00% | +15,159+19.2% | Added |
| Wells Fargo & Company | 91,913 | $1.55M | 0.00% | −50,442−35.4% | Reduced |
| Susquehanna International Group, LLP | 89,170 | $1.50M | 0.00% | −1,602,330−94.7% | Reduced |
| Legal & General Group Plc | 86,857 | $1.46M | 0.00% | −15,304−15.0% | Reduced |
| Vanguard Asset Management, Ltd | 83,405 | $1.41M | 0.00% | +83,405 | New |
| Alberta Investment Management Corp | 82,000 | $1.38M | 0.01% | −44,900−35.4% | Reduced |