DOSSIER · 13F Holders · Q2 2026

PLUTONIAN ACQUISITION CORP I

17 institutions still hold PLUTONIAN ACQUISITION CORP I as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G71382124·17 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$33M
visible holders
Holders
17
filers reporting
Concentration
15.25%
Polar Asset Management Partners Inc. #1
top holder share
AI Holders Summary · Q2 2026

17 institutions reported PLUTONIAN ACQUISITION CORP I in Q2 2026. Polar Asset Management Partners Inc. leads at 15.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Polar Asset Management Partners Inc.
CIK 0001326389
$5M500K0.08%Q2 2026
02
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$5M500K0.07%Q2 2026
03
MANGROVE PARTNERS IM, LLC
CIK 0001535392
$5M450K0.30%Q2 2026
04
StoneX Group Inc.
CIK 0000913760
$3M299K0.12%Q2 2026
05
LMR Partners LLP
CIK 0001578621
$3M250K0.01%Q2 2026
06
Calamos Advisors LLC
CIK 0001316507
$3M250K0.01%Q2 2026
07
Wealthspring Capital LLC
CIK 0001844495
$2M200K0.45%Q2 2026
08
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M181K0.00%Q2 2026
09
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$2M160K0.00%Q2 2026
10
Radcliffe Capital Management, L.P.
CIK 0001218275
$1M134K0.10%Q2 2026
11
TORONTO DOMINION BANK
CIK 0000947263
$1M127K0.00%Q2 2026
12
Yakira Capital Management, Inc.
CIK 0001584639
$1M100K0.29%Q2 2026
13
GABELLI & Co INVESTMENT ADVISERS, INC.
CIK 0000932724
$482K48K0.07%Q2 2026
14
ABC ARBITRAGE SA
CIK 0002049221
$304K30K0.03%Q2 2026
15
Clear Street Group Inc.
CIK 0001881567
$284K28K0.00%Q2 2026
16
Schonfeld Strategic Advisors LLC
CIK 0001665241
$220K22K0.00%Q2 2026
17
UBS Group AG
CIK 0001610520
$335330.00%Q2 2026