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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 2024

Institutional positions in Amprius Technologies, Inc. as of Dec 31, 2024. 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
91
+25 vs. Q3 2024
Shares held
16.6M
+8.38M (+101.4%) vs. Q3 2024
Total value
$46.6M
+$37.4M (+407.8%) vs. Q3 2024
New holders
36
28 more added
Sold out
11
10 more reduced

Compare with Q3 2024: 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 2024: 91 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 2024: $46.6M
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 2024

Shares, value and share of portfolio for each institution holding Amprius Technologies, Inc.; share changes are against Q3 2024.

Institutions holding AMPX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,178,597$11.7M0.00%+3,200,950+327.4%Added
Invesco Ltd.2,484,662$6.96M0.00%+897,222+56.5%Added
Board of Trustees of The Leland Stanford Junior University1,457,557$4.08M0.35%+1,457,557New
Stifel Financial Corp895,760$2.51M0.00%+631,483+238.9%Added
Renaissance Technologies LLC765,100$2.14M0.00%+752,000+5,740.5%Added
Millennium Management LLC717,571$2.01M0.00%+717,571New
Susquehanna International Group, LLP667,921$1.87M0.00%+402,351+151.5%Added
Geode Capital Management, LLC580,819$1.63M0.00%+32,681+6.0%Added
BlackRock, Inc.571,583$1.60M0.00%−120,946−17.5%Reduced
Two Sigma Investments, LP443,311$1.24M0.00%+338,524+323.1%Added
State Street Corp383,485$1.07M0.00%+97,095+33.9%Added
XTX Topco Ltd280,094$784.3K0.07%+232,332+486.4%Added
Jane Street Group, LLC258,618$724.1K0.00%+258,618New
Blackstone Group Inc.257,923$722.2K0.00%+257,923New
Northern Trust Corp208,420$583.6K0.00%+52,370+33.6%Added
Charles Schwab Investment Management Inc198,442$555.6K0.00%−75,605−27.6%Reduced
Bridgeway Capital Management, LLC195,000$546.0K0.01%00.0%Unchanged
UBS Group AG175,468$491.3K0.00%+108,495+162.0%Added
Group One Trading, L.P.148,418$415.6K0.01%+148,418New
Morgan Stanley141,045$394.9K0.00%+16,911+13.6%Added
Oppenheimer & Co Inc117,150$328.0K0.00%+117,150New
LPL Financial LLC111,385$311.9K0.00%−2,000−1.8%Reduced
Goldman Sachs Group Inc107,006$299.6K0.00%+46,827+77.8%Added
Bosman Wealth Management, LLC102,550$287.1K0.28%+102,550New
Pathway Capital Management, LP87,510$245.0K0.24%+87,510New
Lexington Partners L.P.76,764$214.9K0.26%+76,764New
Centiva Capital, LP64,246$179.9K0.01%+64,246New
Caption Management, LLC64,000$179.2K0.01%00.0%Unchanged
Alliancebernstein L.P.58,460$163.7K0.00%00.0%Unchanged
Marshall Wace, LLP53,635$150.2K0.00%+53,635New
Hamilton Lane Advisors LLC46,058$129.0K0.12%+46,058New
Two Sigma Advisers, LP45,700$128.0K0.00%+45,700New
National Asset Management, Inc.45,500$127.4K0.00%+16,300+55.8%Added
Barclays PLC44,460$124.5K0.00%+20,111+82.6%Added
AQR Capital Management LLC41,648$116.6K0.00%+4,983+13.6%Added
Utah Retirement Systems36,846$103.2K0.00%+36,846New
Advisory Services Network, LLC35,349$99.0K0.00%+35,349New
Gsa Capital Partners LLP33,542$94.0K0.01%+33,542New
DRW Securities, LLC33,557$94.0K0.01%+33,557New
Deutsche Bank AG30,931$86.6K0.00%00.0%Unchanged
Spears Abacus Advisors LLC26,270$73.6K0.00%−11,130−29.8%Reduced
Royal Bank of Canada25,646$71.0K0.00%+23,196+946.8%Added
Diametric Capital, LP24,445$68.4K0.05%+24,445New
American Century Companies Inc24,207$67.8K0.00%+24,207New
Nuveen Asset Management, LLC23,300$65.2K0.00%−55,854−70.6%Reduced
Wolverine Trading, LLC15,958$47.6K0.00%+15,958New
Colony Group, LLC15,980$44.7K0.00%00.0%Unchanged
Axq Capital, LP15,655$43.8K0.02%+15,655New
Citigroup Inc15,508$43.4K0.00%+3,565+29.9%Added
HighTower Advisors, LLC15,500$43.4K0.00%+15,500New
Clear Street LLC14,942$41.8K0.00%00.0%Unchanged
JustInvest LLC13,439$37.6K0.00%+13,439New
Bank of America Corp12,890$36.1K0.00%+3,055+31.1%Added
O'Dell Group, LLC12,410$34.7K0.01%+12,410New
Wells Fargo & Company12,340$34.6K0.00%+2,263+22.5%Added
New York State Common Retirement Fund12,037$33.7K0.00%00.0%Unchanged
Bank of New York Mellon Corp10,894$30.5K0.00%00.0%Unchanged
Kingswood Wealth Advisors, LLC10,554$29.6K0.00%+10,554New
SEI Investments Co10,229$28.6K0.00%−55,854−84.5%Reduced
Rhumbline Advisers9,739$27.3K0.00%+3,222+49.4%Added
Mirae Asset Global ETFs Holdings Ltd.9,443$26.4K0.00%+1,079+12.9%Added
BNP Paribas Arbitrage, SA8,377$23.5K0.00%+8,377New
Corebridge Financial, Inc.7,811$21.9K0.00%−1,004−11.4%Reduced
JPMorgan Chase & Co7,510$21.0K0.00%−19,531−72.2%Reduced
FMR LLC5,256$14.7K0.00%+2,274+76.3%Added
Tower Research Capital LLC (TRC)4,760$13.3K0.00%−5,291−52.6%Reduced
The PNC Financial Services Group, Inc.4,454$12.5K0.00%+4,454New
Eastern Bank2,000$5.60K0.00%00.0%Unchanged
DHJJ Financial Advisors, Ltd.2,000$5.60K0.00%00.0%Unchanged
CWM, LLC1,801$5.00K0.00%+1,071+146.7%Added
Russell Investments Group, Ltd.1,411$3.95K0.00%+1,197+559.3%Added
Ameriflex Group, Inc.1,000$3.33K0.00%+1,000New
California State Teachers Retirement System1,015$2.84K0.00%00.0%Unchanged
STRS Ohio1,000$2.80K0.00%00.0%Unchanged
CoreCap Advisors, LLC1,000$2.80K0.00%+500+100.0%Added
Legal & General Group Plc699$1.95K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.485$1.36K0.00%−5,999−92.5%Reduced
Ameritas Investment Partners, Inc.444$1.24K0.00%00.0%Unchanged
Amalgamated Bank181$1.00K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC278$7780.00%+228+456.0%Added
Steward Partners Investment Advisory, LLC222$6220.00%00.0%Unchanged
Delta Asset Management LLC200$5600.00%+200New
Mercer Global Advisors Inc10,000$5000.00%+10,000New
Clearstead Advisors, LLC150$4200.00%+150New
WealthTrak Capital Management LLC130$3640.00%+130New
Caitong International Asset Management Co., Ltd125$3500.00%+125New
Hollencrest Capital Management40$1120.00%+40New
Farther Finance Advisors, LLC23$640.00%+22+2,200.0%Added
Sterling Capital Management LLC14$390.00%00.0%Unchanged
Kestra Investment Management, LLC10$280.00%+10New
IFP Advisors, Inc9$250.00%+9New
Zazove Associates LLC0$00.00%−969,931−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−423,500−100.0%Sold out
LMR Partners LLP0$00.00%−165,407−100.0%Sold out
Walleye Capital LLC0$00.00%−163,610−100.0%Sold out
Walleye Trading LLC0$00.00%−92,032−100.0%Sold out
Cowen and Company, LLC0$00.00%−60,000−100.0%Sold out
Simplex Trading, LLC0$00.00%−14,867−100.0%Sold out
Nordwand Advisors, LLC0$00.00%−2,000−100.0%Sold out
Reuter James Wealth Management, LLC0$00.00%−490−100.0%Sold out