Amprius TechnologiesAMPX

13F holders, Q2 2024 (June 30)
65holders +15
21new positions
6sold out
3famous investors
$1.27avg. 13F price*

At the end of Q2 2024, 65 institutions reported holding Amprius Technologies Inc. (AMPX) in their 13F filings, up 15 from Q1 2024. 21 opened new positions and 6 sold out. The largest holders were Invesco Ltd. ($1.5M), Zazove Associates LLC ($1.4M) and Vanguard Group Inc. ($1.2M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Amprius Technologies Inc.
CUSIP
03214Q108
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300 Q1 2024: 50Q1 2024Q2 2024: 65Q2 2024Q3 2024: 66Q3 2024Q4 2024: 91Q4 2024Q1 2025: 100Q1 2025Q2 2025: 121Q2 2025Q3 2025: 187Q3 2025Q4 2025: 206Q4 2025Q1 2026: 245Q1 2026Q2 2026: 261Q2 2026

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions21$3.7M
Exits6$126K

All 13F filers, Q1 2024 → Q2 2024: 3,639,435 shares bought and 932,522 shares sold, net +2,706,913 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 65 holders

Invesco Ltd. 0.00% Reduce -34.7% 1,190,739 $1.5M
Zazove Associates LLC 2.48% New 1,104,409 $1.4M
Vanguard Group Inc. 0.00% Add +6.2% 970,732 $1.2M
BlackRock Inc. 0.00% Add +20.5% 629,725 $800K
Geode Capital Management, LLC 0.00% Add +55.7% 363,275 $461K
Walleye Capital LLC 0.00% New 316,130 $401K
State Street Corp. 0.00% Add +107.7% 273,490 $347K
Cowen and Company, LLC 0.01% New 250,000 $318K
Two Sigma Investments, LP 0.00% New 220,251 $280K
Bridgeway Capital Management, LLC 0.01% New 195,000 $248K
Millennium Management 0.00% Add +214.8% 179,585 $228K
LMR Partners LLP 0.01% New 165,407 $210K
Stifel Financial Corp. 0.00% Reduce -6.5% 161,030 $205K
Susquehanna International Group, LLP 0.00% New 150,648 $191K
Warberg Asset Management LLC 0.81% New 133,637 $170K
Kestra Advisory Services, LLC 0.00% No change 123,500 $157K
Charles Schwab Investment Management Inc. 0.00% Add +22.5% 121,945 $155K
LPL Financial LLC 0.00% Add +99.4% 120,385 $153K
Citadel Advisors 0.00% Reduce -18.2% 105,455 $134K
Northern Trust Corp. 0.00% Add +9.6% 101,465 $129K
Walleye Trading LLC 0.00% New 98,512 $125K
Morgan Stanley 0.00% Reduce -6.3% 87,317 $111K
AQR Capital Management 0.00% New 78,314 $99K
XTX Topco Ltd 0.01% New 56,369 $72K
Alliancebernstein L.P. 0.00% Add +339.7% 53,470 $68K
Squarepoint Ops LLC 0.00% Add +7.3% 52,199 $66K
Goldman Sachs Group Inc. 0.00% New 42,678 $54K
Deutsche Bank AG 0.00% New 30,931 $39K
Jane Street Group, LLC 0.00% Add +0.9% 22,643 $29K
B. Riley Wealth Advisors, Inc. 0.00% Add +84.4% 22,500 $29K
Bank of America Corp. 0.00% Add +604.0% 18,402 $23K
Buckingham Strategic Wealth, LLC 0.00% New 15,980 $20K
Two Sigma Securities, LLC 0.00% New 15,245 $19K
Simplex Trading, LLC 0.00% Reduce -37.6% 15,659 $19K
Bank of New York Mellon Corp 0.00% No change 13,531 $17K
Nuveen Asset Management, LLC 0.00% No change 13,071 $17K
Vanguard Personalized Indexing Management, LLC 0.00% New 12,709 $16K
Pathstone Holdings, LLC 0.00% No change 12,690 $16K
New York State Common Retirement Fund 0.00% No change 12,037 $15K
Integrated Wealth Concepts LLC 0.00% No change 11,000 $14K
UBS Group AG 0.00% Add +99.6% 10,862 $14K
Rhumbline Advisers 0.00% Add +46.4% 7,670 $10K
Corebridge Financial, Inc. 0.00% — 7,538 $10K
Wells Fargo & Company 0.00% Add +234.0% 6,736 $9K
Osaic Holdings, Inc. 0.00% No change 6,484 $8K
Tower Research Capital LLC (TRC) 0.00% Add +24.0% 6,461 $8K
JPMorgan Chase & Co. 0.00% Add +161.0% 6,102 $8K
Barclays PLC 0.00% Reduce -97.9% 4,413 $6K
Clear Street LLC 0.00% New 4,292 $5K
Caption Management, LLC 0.00% New 4,000 $5K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% — 3,254 $4K
Banque Cantonale Vaudoise 0.00% No change 2,800 $4K
Citigroup Inc. 0.00% Add +229.7% 3,050 $4K
DHJJ Financial Advisors, Ltd. 0.00% No change 2,000 $3K
Nordwand Advisors, LLC 0.00% New 2,000 $3K
Royal Bank of Canada 0.00% Add +929.7% 1,318 $2K
California State Teachers Retirement System 0.00% Add +59.8% 1,015 $1K
STRS Ohio 0.00% No change 1,000 $1K
Cwm, LLC 0.00% Add +8925.0% 722 $1K
Legal & General Group Plc 0.00% No change 699 $887
Ameritas Investment Partners, Inc. 0.00% No change 444 $564
FMR LLC 0.00% Reduce -72.3% 429 $545
Steward Partners Investment Advisory, LLC 0.00% New 222 $282
Arax Advisory Partners 0.00% New 204 $260
Amalgamated Bank 0.00% No change 181 $0

"% of holder's portfolio" is AMPX's weight in each manager's 13F, not the share of Amprius Technologies Inc. the manager owns.