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 |
|---|---|---|---|---|---|
| Ambassador Advisors, LLC | 102,448 | $1.42M | 0.17% | +102,448 | New |
| Citigroup Inc | 101,096 | $1.40M | 0.00% | +87,841+662.7% | Added |
| Bouvel Investment Partners, LLC | 99,308 | $1.38M | 0.31% | +99,308 | New |
| Calamos Advisors LLC | 94,158 | $1.31M | 0.00% | −270,348−74.2% | Reduced |
| Jain Global LLC | 91,325 | $1.27M | 0.01% | +71,639+363.9% | Added |
| Franklin Resources Inc | 84,909 | $1.18M | 0.00% | −9,087−9.7% | Reduced |
| Vanguard Asset Management, Ltd | 83,405 | $1.16M | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 80,714 | $1.12M | 0.01% | +17,869+28.4% | Added |
| Vanguard Global Advisers, LLC | 75,787 | $1.05M | 0.00% | +1,000+1.3% | Added |
| Hel Ved Capital Management Ltd | 71,850 | $995.8K | 0.14% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 69,727 | $966.4K | 0.00% | +10,937+18.6% | Added |
| Parallax Volatility Advisers, L.P. | 69,678 | $965.7K | 0.04% | +28,901+70.9% | Added |
| Squarepoint Ops LLC | 69,211 | $959.3K | 0.00% | −162,898−70.2% | Reduced |
| PEAK6 LLC | 66,766 | $925.4K | 0.02% | +66,766 | New |
| State of New Jersey Common Pension Fund D | 64,549 | $894.6K | 0.00% | +64,549 | New |
| Flputnam Investment Management Co | 64,411 | $892.7K | 0.01% | +7,807+13.8% | Added |
| Vident Advisory, LLC | 59,376 | $823.0K | 0.01% | +15,208+34.4% | Added |
| Wolverine Asset Management LLC | 58,914 | $816.5K | 0.01% | +58,914 | New |
| Qsemble Capital Management, LP | 57,226 | $793.2K | 0.10% | +9,893+20.9% | Added |
| Atom Investors LP | 56,596 | $784.4K | 0.07% | +56,596 | New |
| Caitong International Asset Management Co., Ltd | 55,373 | $767.5K | 0.11% | +31,564+132.6% | Added |
| Cambridge Investment Research Advisors, Inc. | 55,119 | $764.0K | 0.00% | +15,430+38.9% | Added |
| Dark Forest Capital Management LP | 54,128 | $750.2K | 0.05% | +54,128 | New |
| Ameriprise Financial Inc | 54,071 | $749.4K | 0.00% | −6,113−10.2% | Reduced |
| Hudson Bay Capital Management LP | 53,674 | $743.9K | 0.00% | +53,674 | New |
| Jupiter Topco LLC | 52,803 | $731.6K | 0.00% | +52,803 | New |
| Counterpoint Mutual Funds LLC | 50,485 | $699.7K | 0.07% | +17,995+55.4% | Added |
| AlphaCentric Advisors LLC | 50,000 | $693.0K | 0.59% | −10,000−16.7% | Reduced |
| CWM Advisors, LLC | 49,310 | $683.4K | 0.03% | +18,259+58.8% | Added |
| Advisor Group Holdings, Inc. | 49,208 | $682.0K | 0.00% | −120,284−71.0% | Reduced |
| Kingswood Wealth Advisors, LLC | 48,389 | $670.7K | 0.03% | −316−0.6% | Reduced |
| Natixis | 47,000 | $651.4K | 0.00% | +47,000 | New |
| Warberg Asset Management LLC | 47,000 | $651.4K | 0.19% | +47,000 | New |
| National Asset Management, Inc. | 48,100 | $650.3K | 0.04% | −2,100−4.2% | Reduced |
| Geneos Wealth Management Inc. | 45,313 | $628.0K | 0.01% | +28,173+164.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 44,721 | $619.8K | 0.00% | −2,785−5.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 43,121 | $597.7K | 0.00% | −7,012−14.0% | Reduced |
| Bessemer Group Inc | 41,333 | $573.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 40,546 | $562.0K | 0.00% | +8,958+28.4% | Added |
| Intech Investment Management LLC | 39,360 | $545.5K | 0.01% | +7,340+22.9% | Added |
| FNY Investment Advisers, LLC | 39,302 | $544.0K | 0.20% | +18,545+89.3% | Added |
| Gsa Capital Partners LLP | 38,751 | $537.0K | 0.03% | −13,813−26.3% | Reduced |
| Polymer Capital Management (US) LLC | 38,444 | $532.8K | 0.08% | +10,316+36.7% | Added |
| Creative Planning | 37,923 | $525.6K | 0.00% | +587+1.6% | Added |
| Envestnet Asset Management Inc | 36,721 | $509.0K | 0.00% | +8,626+30.7% | Added |
| Headlands Technologies LLC | 36,716 | $508.9K | 0.05% | +12,081+49.0% | Added |
| KLP Kapitalforvaltning AS | 35,900 | $497.6K | 0.00% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 34,028 | $472.0K | 0.00% | +34,028 | New |
| Arizona State Retirement System | 34,027 | $471.6K | 0.00% | +1,743+5.4% | Added |
| Raymond James Financial Inc | 32,672 | $452.8K | 0.00% | −89,622−73.3% | Reduced |
| Capstone Investment Advisors, LLC | 32,390 | $448.9K | 0.00% | +32,390 | New |
| Quantbot Technologies LP | 31,212 | $432.6K | 0.02% | −65,392−67.7% | Reduced |
| Toroso Investments, LLC | 30,975 | $429.3K | 0.00% | +10,343+50.1% | Added |
| Cornerstone Partners Capital Management, LLC | 30,706 | $425.6K | 1.24% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 30,685 | $425.3K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 30,651 | $424.8K | 0.00% | +7,876+34.6% | Added |
| Abu Dhabi Investment Council Co P.J.S.C | 29,912 | $414.6K | 0.06% | +29,912 | New |
| State of Wisconsin Investment Board | 29,589 | $410.1K | 0.00% | +18,127+158.1% | Added |
| Quantinno Capital Management LP | 27,201 | $377.0K | 0.00% | +13,152+93.6% | Added |
| Holocene Advisors, LP | 27,189 | $376.8K | 0.00% | +27,189 | New |
| Brevan Howard Capital Management LP | 26,955 | $373.6K | 0.01% | −4,353−13.9% | Reduced |
| National Bank of Canada | 25,000 | $346.5K | 0.00% | +25,000 | New |
| Stephens Inc | 24,369 | $337.8K | 0.00% | −4,526−15.7% | Reduced |
| NBC Securities, Inc. | 23,360 | $323.8K | 0.02% | +5,725+32.5% | Added |
| Prudential Financial Inc | 22,320 | $309.4K | 0.00% | +4,430+24.8% | Added |
| Wealthfront Advisers LLC | 21,743 | $301.4K | 0.00% | +10,682+96.6% | Added |
| State Board of Administration of Florida Retirement System | 21,040 | $291.6K | 0.00% | 00.0% | Unchanged |
| Freestone Grove Partners LP | 20,864 | $289.2K | 0.00% | +20,864 | New |
| Vanderbilt University | 19,941 | $276.4K | 0.04% | +19,941 | New |
| CI Private Wealth, LLC | 19,573 | $271.3K | 0.00% | +3,574+22.3% | Added |
| Ewa, LLC | 19,240 | $266.7K | 0.05% | −311−1.6% | Reduced |
| JustInvest LLC | 19,133 | $265.2K | 0.00% | −4,000−17.3% | Reduced |
| Commonwealth Equity Services, LLC | 19,045 | $264.0K | 0.00% | −8,629−31.2% | Reduced |
| Mercer Global Advisors Inc | 18,889 | $261.8K | 0.00% | +18,889 | New |
| Advisory Services Network, LLC | 18,408 | $255.1K | 0.00% | −9,512−34.1% | Reduced |
| ProShare Advisors LLC | 18,000 | $249.5K | 0.00% | +1,305+7.8% | Added |
| Hidden Cove Wealth Management, LLC | 17,628 | $244.3K | 0.13% | +3,934+28.7% | Added |
| Midwest Trust Co | 17,500 | $242.6K | 0.00% | +17,500 | New |
| Los Angeles Capital Management LLC | 17,464 | $242.1K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 16,099 | $223.1K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 15,857 | $219.8K | 0.00% | −54,795−77.6% | Reduced |
| FMR LLC | 15,403 | $213.5K | 0.00% | +3,053+24.7% | Added |
| Inspire Advisors, LLC | 15,322 | $212.4K | 0.01% | +15,322 | New |
| Kestra Advisory Services, LLC | 14,709 | $203.9K | 0.00% | +14,709 | New |
| Victory Capital Management Inc | 14,569 | $201.9K | 0.00% | +1,208+9.0% | Added |
| Xponance, Inc. | 13,185 | $182.7K | 0.00% | +2,483+23.2% | Added |
| Wiley Bros.-Aintree Capital, LLC | 13,064 | $181.1K | 0.00% | +52+0.4% | Added |
| B. Riley Financial, Inc. | 12,919 | $179.1K | 0.04% | +12,919 | New |
| Ameritas Investment Partners, Inc. | 12,476 | $172.9K | 0.00% | +3,051+32.4% | Added |
| Titleist Asset Management, LLC | 12,447 | $172.5K | 0.01% | +12,447 | New |
| Capital Performance Advisors LLP | 12,416 | $172.1K | 0.01% | −818−6.2% | Reduced |
| Alpine Woods Capital Investors, LLC | 12,061 | $167.2K | 0.04% | +12,061 | New |
| Nicolet Bankshares Inc | 11,903 | $165.0K | 0.01% | −1,402−10.5% | Reduced |
| Axq Capital, LP | 11,102 | $153.9K | 0.02% | −49,763−81.8% | Reduced |
| Trustees of the University of Pennsylvania | 10,929 | $151.5K | 0.15% | +10,929 | New |
| Worth Venture Partners, LLC | 10,620 | $147.2K | 0.33% | +10,620 | New |
| Principal Financial Group Inc | 10,511 | $145.7K | 0.00% | −14,871−58.6% | Reduced |
| Graham Capital Management, L.P. | 10,362 | $143.6K | 0.00% | −3,406−24.7% | Reduced |
| Thrivent Financial for Lutherans | 10,358 | $142.0K | 0.00% | +10,358 | New |
| Jones Financial Companies LLLP | 10,888 | $140.6K | 0.00% | +1,196+12.3% | Added |