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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 2025

Institutional positions in Amprius Technologies, Inc. as of Jun 30, 2025. 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
121
+22 vs. Q1 2025
Shares held
38.1M
+17.2M (+82.8%) vs. Q1 2025
Total value
$160.4M
+$104.5M (+187.3%) vs. Q1 2025
New holders
39
46 more added
Sold out
17
21 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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.

Institutional holdersQ2 2025: 121 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 13 institutionsQ4 2022: 22 institutionsQ1 2023: 26 institutionsQ2 2023: 41 institutionsQ3 2023: 46 institutionsQ4 2023: 49 institutionsQ1 2024: 50 institutionsQ2 2024: 65 institutionsQ3 2024: 66 institutionsQ4 2024: 91 institutionsQ1 2025: 100 institutionsQ2 2025: 121 institutionsQ3 2025: 187 institutionsQ4 2025: 206 institutionsQ1 2026: 245 institutionsQ2 2026: 261 institutions
Value heldQ2 2025: $160.4M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $11.7MQ4 2022: $14.8MQ1 2023: $17.1MQ2 2023: $19.5MQ3 2023: $20.0MQ4 2023: $23.5MQ1 2024: $13.1MQ2 2024: $9.71MQ3 2024: $9.17MQ4 2024: $46.6MQ1 2025: $55.8MQ2 2025: $160.4MQ3 2025: $669.4MQ4 2025: $534.7MQ1 2026: $1.42BQ2 2026: $1.35B
Institutions holding AMPX and their total value by quarter
QuarterHoldersValue
Q2 2026261$1.35B
Q1 2026245$1.42B
Q4 2025206$534.7M
Q3 2025187$669.4M
Q2 2025121$160.4M
Q1 2025100$55.8M
Q4 202491$46.6M
Q3 202466$9.17M
Q2 202465$9.71M
Q1 202450$13.1M
Q4 202349$23.5M
Q3 202346$20.0M
Q2 202341$19.5M
Q1 202326$17.1M
Q4 202222$14.8M
Q3 202213$11.7M
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Amprius Technologies, Inc.; share changes are against Q1 2025.

Institutions holding AMPX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Farther Finance Advisors, LLC1$40.00%−3,984−100.0%Reduced
Twin Peaks Wealth Advisors, LLC7$540.00%+7New
EverSource Wealth Advisors, LLC20$840.00%−67−77.0%Reduced
Hollencrest Capital Management40$1680.00%00.0%Unchanged
True Wealth Design, LLC61$2570.00%+48+369.2%Added
WealthTrak Capital Management LLC130$5480.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC222$9350.00%00.0%Unchanged
Sterling Capital Management LLC225$9470.00%+211+1,507.1%Added
Essential Partners LLC245$1.03K0.00%+245New
Delta Asset Management LLC350$1.47K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC439$1.85K0.00%+215+96.0%Added
Amalgamated Bank566$2.00K0.00%00.0%Unchanged
Point72 (DIFC) Ltd738$3.11K0.00%+738New
Ameriflex Group, Inc.900$3.84K0.00%−100−10.0%Reduced
Jones Financial Companies LLLP1,000$4.07K0.00%+1,000New
STRS Ohio1,000$4.21K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,200$5.05K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,414$5.95K0.00%−2,814−66.6%Reduced
Caitong International Asset Management Co., Ltd1,766$7.43K0.01%+1,766New
Eastern Bank2,000$8.42K0.00%00.0%Unchanged
DHJJ Financial Advisors, Ltd.2,000$8.42K0.00%00.0%Unchanged
CWM, LLC4,481$19.0K0.00%−453−9.2%Reduced
Tower Research Capital LLC (TRC)5,413$22.8K0.00%−10,015−64.9%Reduced
Russell Investments Group, Ltd.5,815$24.5K0.00%+4,514+347.0%Added
California State Teachers Retirement System5,816$24.5K0.00%+4,801+473.0%Added
Clear Street Markets LLC5,882$24.8K0.01%+3,403+137.3%Added
FMR LLC7,956$33.5K0.00%−917−10.3%Reduced
Ameritas Investment Partners, Inc.9,516$40.1K0.00%+9,072+2,043.2%Added
Clear Street LLC10,000$42.1K0.00%00.0%Unchanged
Thurston, Springer, Miller, Herd & Titak, Inc.10,000$42.1K0.01%+10,000New
SEI Investments Co10,229$43.1K0.00%00.0%Unchanged
Brinker Capital Investments, LLC10,270$43.2K0.00%+31+0.3%Added
Victory Capital Management Inc10,301$43.4K0.00%+10,301New
Legal & General Group Plc10,383$43.7K0.00%+9,684+1,385.4%Added
XTX Topco Ltd10,420$43.9K0.00%+10,420New
Prudential Financial Inc10,775$45.4K0.00%+10,775New
Raymond James Financial Inc10,825$45.6K0.00%−4,504−29.4%Reduced
Bank of Montreal11,017$46.4K0.00%+11,017New
CIBC World Markets Corp11,484$48.3K0.00%+11,484New
Group One Trading, L.P.11,504$48.4K0.00%−78,397−87.2%Reduced
New York State Common Retirement Fund12,037$50.7K0.00%00.0%Unchanged
Simplex Trading, LLC13,916$58.0K0.00%−32,187−69.8%Reduced
Creative Planning14,253$60.0K0.00%+14,253New
Edmond de Rothschild Holding S.A.14,970$63.0K0.00%00.0%Unchanged
Spears Abacus Advisors LLC15,055$63.4K0.00%00.0%Unchanged
SG Americas Securities, LLC15,373$65.0K0.00%+15,373New
Royal Bank of Canada15,685$66.0K0.00%−49,774−76.0%Reduced
Janney Montgomery Scott LLC15,993$67.0K0.00%+15,993New
Aigen Investment Management, LP17,811$75.0K0.01%+17,811New
MidWestOne Financial Group, Inc.18,546$78.1K0.01%+953+5.4%Added
Ewa, LLC19,013$80.0K0.03%+19,013New
ProShare Advisors LLC19,112$80.5K0.00%+19,112New
JustInvest LLC19,134$80.6K0.00%+2,873+17.7%Added
Police & Firemen's Retirement System of New Jersey21,134$89.0K0.00%+21,134New
Jane Street Group, LLC22,355$94.1K0.00%−83,628−78.9%Reduced
Colony Group, LLC24,239$102.0K0.00%+8,255+51.6%Added
Voya Investment Management LLC25,892$109.0K0.00%+25,892New
Dynamic Technology Lab Private Ltd30,229$127.0K0.02%+30,229New
Cornerstone Partners Capital Management, LLC30,706$129.3K0.39%+15,353+100.0%Added
Robertson Stephens Wealth Management, LLC31,094$130.9K0.00%+31,094New
Manufacturers Life Insurance Company, The34,301$144.4K0.00%+34,301New
Citigroup Inc34,356$144.6K0.00%+22,199+182.6%Added
Bessemer Group Inc41,333$174.0K0.00%+41,333New
Intech Investment Management LLC44,772$188.5K0.00%+44,772New
Omers Administration Corp49,600$208.8K0.00%+49,600New
National Asset Management, Inc.50,500$212.6K0.01%+4,000+8.6%Added
Advisory Services Network, LLC30,774$213.3K0.00%+30,774New
Wells Fargo & Company50,670$213.3K0.00%+39,328+346.7%Added
Mirae Asset Global ETFs Holdings Ltd.51,041$214.9K0.00%+41,208+419.1%Added
MetLife Investment Management58,207$245.1K0.00%+58,207New
Apis Capital Advisors, LLC60,000$252.6K0.09%−106,000−63.9%Reduced
Deutsche Bank AG61,438$258.7K0.00%+30,507+98.6%Added
Squarepoint Ops LLC65,382$275.3K0.00%+65,382New
Los Angeles Capital Management LLC70,577$297.1K0.00%+70,577New
Gsa Capital Partners LLP73,035$307.0K0.02%+73,035New
AQR Capital Management LLC80,002$336.8K0.00%+2,238+2.9%Added
Kingswood Wealth Advisors, LLC85,408$359.6K0.03%+85,408New
SLT Holdings LLC91,750$386.3K0.29%+91,750New
Foundations Investment Advisors, LLC92,416$389.1K0.01%+92,416New
Rhumbline Advisers123,260$518.9K0.00%+107,570+685.6%Added
LPL Financial LLC125,706$529.2K0.00%+2,847+2.3%Added
Bank of America Corp126,779$533.7K0.00%+42,625+50.7%Added
Bridgeway Capital Management, LLC135,000$568.4K0.01%−60,000−30.8%Reduced
Graham Capital Management, L.P.141,545$595.9K0.02%+141,545New
Huntleigh Advisors, Inc.145,914$614.3K0.12%+145,914New
BNP Paribas Arbitrage, SA159,614$672.0K0.00%+153,867+2,677.3%Added
HITE Hedge Asset Management LLC161,444$679.7K0.04%00.0%Unchanged
Alliancebernstein L.P.164,060$690.7K0.00%+105,600+180.6%Added
Barclays PLC167,503$705.2K0.00%+131,328+363.0%Added
Cubist Systematic Strategies, LLC170,405$717.4K0.01%+170,405New
Verition Fund Management LLC177,652$747.9K0.00%+109,354+160.1%Added
Bank of New York Mellon Corp193,748$815.7K0.00%+162,194+514.0%Added
EAM Investors, LLC211,252$889.4K0.13%+211,252New
HRT Financial LP215,633$907.0K0.00%+119,622+124.6%Added
Nuveen, LLC217,178$914.3K0.00%+193,878+832.1%Added
Polar Asset Management Partners Inc.274,788$1.16M0.03%+274,788New
Legato Capital Management LLC276,874$1.17M0.14%−679−0.2%Reduced
Citadel Advisors LLC279,657$1.18M0.00%+250,250+851.0%Added
Price T Rowe Associates Inc323,007$1.36M0.00%+323,007New
Two Sigma Advisers, LP402,400$1.69M0.00%+358,300+812.5%Added