Amprius TechnologiesAMPX
13F holders, Q4 2025 (December 31)206holders +19
43new positions
28sold out
5famous investors
$7.89avg. 13F price*
At the end of Q4 2025, 206 institutions reported holding Amprius Technologies Inc. (AMPX) in their 13F filings, up 19 from Q3 2025. 43 opened new positions and 28 sold out. The largest holders were BlackRock, Inc. ($69.6M), Vanguard Group Inc. ($56.2M) and Morgan Stanley ($22.2M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Amprius Technologies Inc.
- CUSIP
- 03214Q108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 43 | $44.5M |
| Exits | 28 | $35.9M |
All 13F filers, Q3 2025 → Q4 2025: 15,169,949 shares bought and 12,223,697 shares sold, net +2,946,252 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 206 holders
| BlackRock, Inc. | 0.00% | Add +18.4% | 8,823,779 | $69.6M |
| Vanguard Group Inc. | 0.00% | Add +9.5% | 7,128,657 | $56.2M |
| Morgan Stanley | 0.00% | Add +2.4% | 2,809,821 | $22.2M |
| Geode Capital Management, LLC | 0.00% | Add +10.5% | 2,678,417 | $21.1M |
| State Street Corp. | 0.00% | Add +16.6% | 2,553,710 | $20.1M |
| Driehaus Capital Management LLC | 0.13% | Reduce -22.6% | 2,393,212 | $18.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +23.0% | 2,194,841 | $17.3M |
| UBS Group AG | 0.00% | Add +35.6% | 2,098,946 | $16.6M |
| Deutsche Bank AG | 0.01% | Reduce -5.4% | 1,955,018 | $15.4M |
| Susquehanna International Group, LLP | 0.02% | Add +86.8% | 1,691,500 | $13.3M |
| Voloridge Investment Management, LLC | 0.04% | Reduce -14.6% | 1,602,001 | $12.6M |
| Stephens Investment Management Group LLC | 0.15% | Add +33.1% | 1,441,698 | $11.4M |
| Two Sigma Investments, LP | 0.02% | Reduce -18.1% | 1,436,939 | $11.3M |
| Invesco Ltd. | 0.00% | Reduce -44.9% | 1,311,915 | $10.4M |
| Norges Bank | 0.00% | — | 1,304,838 | $10.3M |
| Hudson Bay Capital Management LP | 0.05% | New | 1,100,000 | $8.7M |
| Millennium Management | 0.01% | Add +84.6% | 1,085,270 | $8.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +6.4% | 1,036,891 | $8.2M |
| William Blair Investment Management, LLC | 0.02% | New | 984,906 | $7.8M |
| Northern Trust Corp. | 0.00% | Add +13.0% | 963,171 | $7.6M |
| Jupiter Asset Management Ltd. | 0.06% | Add +381.9% | 960,912 | $7.6M |
| Qube Research & Technologies Ltd | 0.01% | New | 874,080 | $6.9M |
| Hood River Capital Management LLC | 0.07% | New | 809,744 | $6.4M |
| Baird Financial Group, Inc. | 0.01% | Reduce -11.8% | 773,428 | $6.1M |
| Stifel Financial Corp. | 0.01% | Reduce -3.0% | 771,509 | $6.1M |
| BNP Paribas Financial Markets | 0.00% | Reduce -63.6% | 707,079 | $5.6M |
| Thames Capital Management LLC | 0.60% | No change | 526,832 | $4.2M |
| Essex Investment Management Co. LLC | 0.62% | Reduce -25.9% | 516,765 | $4.1M |
| Point72 Asset Management | 0.01% | Add +1356.1% | 493,862 | $3.9M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | Reduce -3.8% | 490,886 | $3.9M |
| Two Sigma Advisers, LP | 0.01% | Reduce -41.0% | 479,500 | $3.8M |
| Barclays PLC | 0.00% | Add +252.4% | 469,906 | $3.7M |
| Artemis Investment Management LLP | 0.04% | Reduce -3.0% | 464,029 | $3.7M |
| Citadel Advisors | 0.00% | Reduce -81.9% | 454,854 | $3.6M |
| Osterweis Capital Management Inc. | 0.21% | Add +142.7% | 454,830 | $3.6M |
| Oppenheimer & Co. Inc. | 0.05% | Add +47.7% | 442,090 | $3.5M |
| Sei Investments Co. | 0.00% | Add +448.5% | 431,786 | $3.4M |
| Engineers Gate Manager LP | 0.03% | Add +90.9% | 360,401 | $2.8M |
| Silvercrest Asset Management Group LLC | 0.02% | New | 359,386 | $2.8M |
| Bank of New York Mellon Corp | 0.00% | Add +6.1% | 309,714 | $2.4M |
| Bank of America Corp. | 0.00% | Add +3.3% | 299,926 | $2.4M |
| Verition Fund Management LLC | 0.01% | Reduce -9.7% | 292,097 | $2.3M |
| Polen Capital Management LLC | 0.01% | Reduce -15.1% | 288,290 | $2.3M |
| Federated Hermes, Inc. | 0.00% | Add +212.3% | 286,658 | $2.3M |
| Walleye Capital LLC | 0.01% | Add +106.0% | 269,406 | $2.1M |
| SG Americas Securities, LLC | 0.00% | New | 255,252 | $2.0M |
| Informed Momentum Co LLC | 0.21% | Reduce -51.5% | 236,810 | $1.9M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -23.0% | 235,019 | $1.9M |
| Nuveen, LLC | 0.00% | Reduce -3.8% | 233,159 | $1.8M |
| Raymond James Financial Inc. | 0.00% | Reduce -6.5% | 224,426 | $1.8M |
| Swiss National Bank | 0.00% | Add +26.6% | 222,000 | $1.8M |
| Squarepoint Ops LLC | 0.00% | Add +278.5% | 218,046 | $1.7M |
| Jane Street Group, LLC | 0.00% | Reduce -68.5% | 213,425 | $1.7M |
| Hussman Strategic Advisors, Inc. | 0.40% | New | 210,000 | $1.7M |
| Legato Capital Management LLC | 0.14% | Reduce -18.6% | 204,647 | $1.6M |
| Lisanti Capital Growth, LLC | 0.37% | Reduce -25.1% | 198,890 | $1.6M |
| Voleon Capital Management LP | 0.03% | Add +470.5% | 191,170 | $1.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +62.1% | 188,844 | $1.5M |
| Janney Montgomery Scott LLC | 0.00% | Reduce -40.6% | 168,480 | $1.3M |
| Huntleigh Advisors, Inc. | 0.21% | Add +2.9% | 160,599 | $1.3M |
| Alps Advisors Inc. | 0.01% | Reduce -1.1% | 147,062 | $1.2M |
| Wells Fargo & Company | 0.00% | Add +142.3% | 142,355 | $1.1M |
| Amundi | 0.00% | New | 140,306 | $1.1M |
| AQR Capital Management | 0.00% | Add +3.5% | 136,099 | $1.1M |
| Algert Global LLC | 0.02% | Reduce -65.4% | 132,650 | $1.0M |
| Alberta Investment Management Corp | 0.01% | New | 126,900 | $1.0M |
| Rhumbline Advisers | 0.00% | Reduce -3.7% | 125,154 | $987K |
| Foundations Investment Advisors, LLC | 0.01% | Add +2.5% | 124,134 | $979K |
| Alliancebernstein L.P. | 0.00% | No change | 123,860 | $977K |
| SLT Holdings LLC | 0.65% | Add +2.5% | 123,300 | $973K |
| Calamos Advisors LLC | 0.01% | Reduce -30.4% | 119,033 | $939K |
| Mangrove Partners Im, LLC | 0.08% | New | 116,624 | $920K |
| LPL Financial LLC | 0.00% | Reduce -30.6% | 114,706 | $905K |
| Renaissance Technologies | 0.00% | Add +809.9% | 112,825 | $890K |
| Boothbay Fund Management, LLC | 0.02% | Add +597.1% | 112,324 | $886K |
| Capital Fund Management S.A. | 0.01% | Reduce -17.0% | 109,020 | $860K |
| California State Teachers Retirement System | 0.00% | Add +29.1% | 107,930 | $852K |
| Legal & General Group Plc | 0.00% | Add +16.9% | 102,161 | $806K |
| Faithward Advisors, LLC | 0.12% | New | 101,175 | $798K |
| Gsa Capital Partners LLP | 0.07% | Reduce -4.3% | 96,695 | $763K |
| Numerai GP LLC | 0.09% | Add +29.1% | 96,209 | $759K |
| Royal Bank of Canada | 0.00% | Reduce -27.8% | 91,916 | $726K |
| JPMorgan Chase & Co. | 0.00% | Reduce -71.0% | 83,449 | $658K |
| T. Rowe Price Associates Inc. | 0.00% | Add +64.1% | 80,578 | $636K |
| Franklin Resources Inc. | 0.00% | New | 78,837 | $622K |
| Polar Asset Management Partners Inc. | 0.02% | New | 78,600 | $620K |
| Ameriprise Financial Inc. | 0.00% | Add +136.3% | 78,009 | $615K |
| Fox Run Management, L.L.C. | 0.09% | Add +129.9% | 74,774 | $590K |
| Citigroup Inc. | 0.00% | Reduce -22.7% | 74,764 | $590K |
| CoreCommodity Management, LLC | 0.12% | Add +90.9% | 74,022 | $584K |
| Dark Forest Capital Management LP | 0.03% | Add +257.1% | 71,885 | $567K |
| Granahan Investment Management, LLC | 0.02% | New | 64,382 | $508K |
| MetLife Investment Management, LLC | 0.00% | Add +4.0% | 60,513 | $477K |
| Inspire Investing, LLC | 0.04% | Add +37.4% | 60,242 | $475K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +9.8% | 53,913 | $471K |
| HITE Hedge Asset Management LLC | 0.03% | No change | 57,802 | $456K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -4.0% | 56,092 | $443K |
| Los Angeles Capital Management LLC | 0.00% | No change | 35,693 | $439K |
| Canada Pension Plan Investment Board | 0.00% | New | 55,100 | $435K |
| Intech Investment Management LLC | 0.00% | Add +33.8% | 51,111 | $403K |
"% of holder's portfolio" is AMPX's weight in each manager's 13F, not the share of Amprius Technologies Inc. the manager owns.