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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, Q4 2023

Institutional positions in Amprius Technologies, Inc. as of Dec 31, 2023. 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
49
+5 vs. Q3 2023
Shares held
4.44M
+348.1K (+8.5%) vs. Q3 2023
Total value
$23.5M
+$4.09M (+21.1%) vs. Q3 2023
New holders
8
22 more added
Sold out
3
8 more reduced

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 49 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 heldQ4 2023: $23.5M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Amprius Technologies, Inc.; share changes are against Q3 2023.

Institutions holding AMPX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Invesco Ltd.1,669,812$8.83M0.00%−19,312−1.1%Reduced
Vanguard Group Inc911,510$4.82M0.00%+52,746+6.1%Added
BlackRock Inc.544,617$2.88M0.00%+88,562+19.4%Added
Geode Capital Management, LLC229,441$1.21M0.00%+28,772+14.3%Added
Stifel Financial Corp149,540$791.1K0.00%+413+0.3%Added
State Street Corp131,690$696.6K0.00%+39,450+42.8%Added
Kestra Advisory Services, LLC123,000$650.7K0.01%+20,950+20.5%Added
Charles Schwab Investment Management Inc96,964$512.9K0.00%+1,540+1.6%Added
Northern Trust Corp92,445$489.0K0.00%+19,403+26.6%Added
Morgan Stanley89,782$474.9K0.00%+41,955+87.7%Added
LPL Financial LLC58,430$309.1K0.00%+42,459+265.9%Added
Belvedere Trading LLC56,913$301.1K0.03%+32,947+137.5%Added
Pathstone Holdings, LLC32,690$172.9K0.00%+32,690New
Jane Street Group, LLC27,911$147.6K0.00%+27,911New
Barclays PLC23,985$126.9K0.00%−5,178−17.8%Reduced
Susquehanna International Group, LLP18,586$98.3K0.00%+29+0.2%Added
FNY Investment Advisers, LLC16,000$84.0K0.09%+16,000New
National Asset Management, Inc.15,775$83.5K0.00%+3,575+29.3%Added
Group One Trading, L.P.15,619$82.6K0.00%+15,619New
Bank of New York Mellon Corp15,418$81.6K0.00%+20.0%Added
Millennium Management LLC13,616$72.0K0.00%−89,870−86.8%Reduced
Nuveen Asset Management, LLC13,071$69.1K0.00%+13,071New
Alliancebernstein L.P.12,160$64.3K0.00%00.0%Unchanged
New York State Common Retirement Fund12,037$63.7K0.00%00.0%Unchanged
Integrated Wealth Concepts LLC11,000$58.2K0.00%00.0%Unchanged
Bank of America Corp9,224$48.8K0.00%+4,945+115.6%Added
Tower Research Capital LLC (TRC)8,252$43.7K0.00%+2,597+45.9%Added
JPMorgan Chase & Co6,311$33.4K0.00%+2,826+81.1%Added
UBS Group AG5,898$31.2K0.00%+3,251+122.8%Added
Advisor Group Holdings, Inc.5,450$28.8K0.00%+4,950+990.0%Added
Rhumbline Advisers5,343$28.3K0.00%00.0%Unchanged
Banque Cantonale Vaudoise2,800$15.0K0.00%00.0%Unchanged
American International Group, Inc.2,719$14.4K0.00%+35+1.3%Added
Cutler Group LP2,786$14.0K0.00%−8,404−75.1%Reduced
Cambridge Trust Co2,000$10.6K0.00%00.0%Unchanged
DHJJ Financial Advisors, Ltd.2,000$10.6K0.00%+2,000New
Wells Fargo & Company1,759$9.31K0.00%+425+31.9%Added
Royal Bank of Canada1,167$6.00K0.00%−3,206−73.3%Reduced
STRS Ohio1,100$5.00K0.00%00.0%Unchanged
California State Teachers Retirement System900$4.76K0.00%−286−24.1%Reduced
Amalgamated Bank761$4.00K0.00%−54−6.6%Reduced
Clear Street Markets LLC672$4.00K0.00%+672New
FMR LLC726$3.84K0.00%−1,366−65.3%Reduced
Legal & General Group Plc699$3.69K0.00%00.0%Unchanged
Citigroup Inc610$3.23K0.00%+606+15,150.0%Added
TD Waterhouse Canada Inc.670$3.19K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.444$2.35K0.00%00.0%Unchanged
AdvisorNet Financial, Inc300$1.59K0.00%00.0%Unchanged
Farther Finance Advisors, LLC2$110.00%+2New
DRW Securities, LLC0$00.00%−16,700−100.0%Sold out
Simplex Trading, LLC0$00.00%−4,497−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−3,471−100.0%Sold out
KPCB XIV Associates, LLC––––Not filed
Pathstone Family Office, LLC––––Not filed