Vault-13

AMPRIUS TECHNOLOGIES INC AMPX.WS

*W EXP 09/14/202 · Equity WRT · CUSIP 03214Q116

10 institutional holders -3 vs Q1 2026
4,158,2034.2m shares reported held*
$24.7mreported value*
2 new 3 added 4 reduced 5 sold out net sold ≈ $32.2m (-5.5m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $5.93.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

02040Q3 22: 37Q4 22: 30Q1 23: 26Q2 23: 25Q3 23: 21Q4 23: 22Q1 24: 20Q2 24: 14Q3 24: 13Q4 24: 12Q1 25: 11Q2 25: 13Q3 25: 19Q4 25: 15Q1 26: 13Q2 26: 1010Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202237
Q4 202230
Q1 202326
Q2 202325
Q3 202321
Q4 202322
Q1 202420
Q2 202414
Q3 202413
Q4 202412
Q1 202511
Q2 202513
Q3 202519
Q4 202515
Q1 202613
Q2 202610

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
20020Q3 24: 3 bought or addedQ3 24: 7 cut or sold outQ4 24: 6 bought or addedQ4 24: 7 cut or sold outQ4 24Q1 25: 3 bought or addedQ1 25: 4 cut or sold outQ2 25: 5 bought or addedQ2 25: 3 cut or sold outQ2 25Q3 25: 12 bought or addedQ3 25: 7 cut or sold outQ4 25: 7 bought or addedQ4 25: 9 cut or sold outQ4 25Q1 26: 8 bought or addedQ1 26: 8 cut or sold outQ2 26: 5 bought or addedQ2 26: 9 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 202437
Q4 202467
Q1 202534
Q2 202553
Q3 2025127
Q4 202579
Q1 202688
Q2 202659

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$500k$1m$1.5mQ3 25 calls: $1.5mQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $432.3kQ4 25 puts: $0Q4 25P/C 0.00Q1 26 calls: $0Q1 26 puts: $0Q1 26P/C —Q2 26 calls: $0Q2 26 puts: $0Q2 26P/C —
Numbers
QuarterCallsPutsP/C
Q3 2025$1.5m$00.00
Q4 2025$432.3k$00.00
Q1 2026$0$0—
Q2 2026$0$0—

Biggest buyers

Caption Management, LLC Added +348,428+348.4k
HRT FINANCIAL LP New +25,983+26.0k
DRW Securities, LLC Added +21,272+21.3k
UBS Group AG New +811+811
Janney Montgomery Scott LLC Added +100+100

Biggest sellers

LMR Partners LLP Reduced -2,590,582-2.6m
ARISTEIA CAPITAL, L.L.C. Reduced -1,072,982-1.1m
CSS LLC/IL Sold out -754,893-754.9k
Hudson Bay Capital Management LP Sold out -741,715-741.7k
BOOTHBAY FUND MANAGEMENT, LLC Reduced -430,009-430.0k
WOLVERINE ASSET MANAGEMENT LLC Sold out -213,225-213.2k
Warberg Asset Management LLC Sold out -63,200-63.2k
ZAZOVE ASSOCIATES LLC Reduced -36,891-36.9k
D. E. Shaw & Co., Inc. Sold out -29,500-29.5k

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 LMR Partners LLP 0.08% of their portfolio LONDON, X0 1,899,2601.9m $11.1m $11.1m 0.08% Reduced -2.6m -2,590,582
2 Caption Management, LLC 0.30% of their portfolio OKLAHOMA CITY, OK 1,432,7951.4m $8.4m $8.4m 0.30% Added +348.4k +348,428
3 DRW Securities, LLC 0.12% of their portfolio CHICAGO, IL 356,445356.4k $2.1m $2.1m 0.12% Added +21.3k +21,272
4 Janney Montgomery Scott LLC 0.00% of their portfolio PHILADELPHIA, PA 158,405158.4k $928.0k $928.0k 0.00% Added +100 +100
5 ARISTEIA CAPITAL, L.L.C. 0.01% of their portfolio GREENWICH, CT 142,415142.4k $829.6k $829.6k 0.01% Reduced -1.1m -1,072,982
6 ZAZOVE ASSOCIATES LLC 0.05% of their portfolio INCLINE VILLAGE, NV 102,096102.1k $594.7k $594.7k 0.05% Reduced -36.9k -36,891
7 BOOTHBAY FUND MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 39,99140.0k $554.3k $554.3k 0.01% Reduced -430.0k -430,009
8 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 25,98326.0k $152.0k $152.0k 0.00% New
9 UBS Group AG 0.00% of their portfolio ZURICH, V8 811811 $4.8k $4.8k 0.00% New
10 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 22 $12 $12 0.00% Unchanged