DOSSIER · 13F Holders · Q1 2026BellwetherCompounder

PROEM ACQUISITION CORP I

38 institutions still hold PROEM ACQUISITION CORP I as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G7341A129·38 13F holders·last filed Mar 31, 2026
Market cap
5.1%
vs prior quarter
13F value held
$87M
79.0% inst. owned
of float
Holders
38
-54 QoQ
filers reporting
Activity
+18 / −56
+742 added · −706 reduced
this quarter
Concentration
13.76%
Polar Asset Management Partners Inc. #1
top holder share
AI Holders Summary · Q1 2026

38 institutions reported PROEM ACQUISITION CORP I in Q1 2026. Polar Asset Management Partners Inc. leads at 13.8% of the visible book. -54 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Polar Asset Management Partners Inc.
CIK 0001326389
$12M1.2M0.24%Q1 2026
02
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$10M1.0M0.22%Q1 2026
03
LINDEN ADVISORS LP
CIK 0001279396
$10M1.0M0.06%Q1 2026
04
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$8M844K0.00%Q1 2026
05
LMR Partners LLP
CIK 0001578621
$7M650K0.01%Q1 2026
06
Tekne Capital Management, LLC
CIK 0001558971
$5M500K2.11%Q1 2026
07
BERKLEY W R CORP
CIK 0000011544
$4M398K0.21%Q1 2026
08
PERISCOPE CAPITAL INC.
CIK 0001695320
$3M350K0.39%Q1 2026
09
WHITEBOX ADVISORS LLC
CIK 0001257391
$3M300K0.04%Q1 2026
10
Context Capital Management, LLC
CIK 0001301396
$3M300K0.07%Q1 2026
11
Khan Imran
CIK 0001699292
$3M293K100.00%Q1 2026
12
OMERS ADMINISTRATION Corp
CIK 0001053321
$3M260K0.02%Q1 2026
13
Kryger Capital LLC
CIK 0002123957
$3M251K0.18%Q1 2026
14
Proem Advisors LLC
CIK 0001842526
$2M243K0.15%Q1 2026
15
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M236K0.00%Q1 2026
16
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$2M210K0.00%Q1 2026
17
Clear Street Group Inc.
CIK 0001881567
$2M182K0.01%Q1 2026
18
Shaolin Capital Management LLC
CIK 0001766806
$2M175K0.06%Q1 2026
19
Ghisallo Capital Management LLC
CIK 0001825214
$1M150K0.04%Q1 2026
20
Calamos Advisors LLC
CIK 0001316507
$1M148K0.01%Q1 2026
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