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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, Q1 2023

Institutional positions in Amprius Technologies, Inc. as of Mar 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
26
+4 vs. Q4 2022
Shares held
2.20M
+336.2K (+18.1%) vs. Q4 2022
Total value
$17.1M
+$2.33M (+15.8%) vs. Q4 2022
New holders
9
8 more added
Sold out
5
6 more reduced

Compare with Q4 2022: 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 holdersQ1 2023: 26 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 heldQ1 2023: $17.1M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Amprius Technologies, Inc.; share changes are against Q4 2022.

Institutions holding AMPX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Janus Henderson Group PLC1,024,580$8.92M0.01%−4,847−0.5%Reduced
Vanguard Group Inc191,367$1.67M0.00%−11,100−5.5%Reduced
BlackRock Inc.167,336$1.46M0.00%+780.0%Added
Geode Capital Management, LLC111,614$972.2K0.00%+22,030+24.6%Added
KPCB XIV Associates, LLC100,000$871.0K0.91%00.0%Unchanged
Charles Schwab Investment Management Inc65,883$573.8K0.00%−888−1.3%Reduced
HRT Financial LP51,515$448.0K0.01%+51,515New
State Street Corp38,857$338.4K0.00%+20,657+113.5%Added
Stifel Financial Corp33,670$293.3K0.00%00.0%Unchanged
Simplex Trading, LLC32,071$279.0K0.01%+32,071New
Belvedere Trading LLC30,378$264.6K0.12%+30,378New
Jane Street Group, LLC25,938$225.9K0.00%+25,938New
Northern Trust Corp23,474$204.5K0.00%+1,039+4.6%Added
Balyasny Asset Management LLC250,080$125.7K0.00%+250,080New
LPL Financial LLC14,000$121.9K0.00%+4,000+40.0%Added
Morgan Stanley6,667$58.1K0.00%−12,889−65.9%Reduced
Royal Bank of Canada6,449$56.0K0.00%+6,449New
JPMorgan Chase & Co6,190$54.0K0.00%+684+12.4%Added
Belpointe Asset Management LLC4,996$43.5K0.00%+4,996New
State of Wyoming4,834$42.1K0.01%+4,834New
AdvisorShares Investments LLC2,126$18.5K0.01%+426+25.1%Added
Bank of America Corp2,089$18.2K0.00%−20,133−90.6%Reduced
Cutler Group LP2,130$18.0K0.00%−421−16.5%Reduced
TD Waterhouse Canada Inc.670$5.70K0.00%+670New
Steward Partners Investment Advisory, LLC100$8710.00%00.0%Unchanged
Wells Fargo & Company88$7660.00%+2+2.3%Added
Millennium Management LLC0$00.00%−27,645−100.0%Sold out
Verition Fund Management LLC0$00.00%−20,965−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−20,582−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−155−100.0%Sold out
Investors Research Corp0$00.00%−45−100.0%Sold out