Amprius TechnologiesAMPX.WSPreferred / convertible

13F holders, Q2 2024 (June 30)
12holders −6
1new positions
7sold out
$0.17avg. 13F price*

At the end of Q2 2024, 12 institutions reported holding Amprius Technologies Inc. (AMPX.WS) in their 13F filings, down 6 from Q1 2024. 1 opened new positions and 7 sold out. The largest holders were Walleye Capital LLC ($293K), Cowen and Company, LLC ($219K) and LMR Partners LLP ($158K).

Company
Amprius Technologies Inc.
CUSIP
03214Q116
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q1 2024: 18Q1 2024Q2 2024: 12Q2 2024Q3 2024: 11Q3 2024Q4 2024: 10Q4 2024Q1 2025: 9Q1 2025Q2 2025: 11Q2 2025Q3 2025: 18Q3 2025Q4 2025: 14Q4 2025Q1 2026: 13Q1 2026Q2 2026: 10Q2 2026

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions1$1K
Exits7$548K

All 13F filers, Q1 2024 → Q2 2024: 1,174,435 shares bought and 4,617,576 shares sold, net −3,443,141 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 12 holders

Walleye Capital LLC — Reduce -47.0% 1,722,141 $293K
Cowen and Company, LLC — Add +743.8% 1,285,816 $219K
LMR Partners LLP — Reduce -19.1% 928,974 $158K
Dryden Capital, LLC — No change 644,581 $110K
Westchester Capital Management, LLC — No change 393,327 $67K
Stifel Financial Corp. — Reduce -8.3% 299,660 $51K
Kim, LLC — Reduce -6.5% 280,200 $48K
Wolverine Asset Management LLC — Add +24.6% 173,105 $29K
Walleye Trading LLC — Reduce -74.5% 148,430 $25K
Skaana Management L.P. — Reduce -70.7% 64,447 $11K
Avantax Advisory Services, Inc. — No change 10,000 $2K
UBS Group AG — New 6,820 $1K

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