Stock

Proem Acquisition Corp I

Ticker not mapped · held by 43 managers

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025

Reported value

$117.5M

Holders

+41 new · −0 exited

Holders’ est. mark

—

Need a prior quarter

Largest holder

$12M

Polar Asset Management Partners Inc.

Who holds it

Notable only

Investor	Shares	Value	Est. mark	Change
Polar Asset Management Partners Inc.	1.2M	$12M	—	New
ARISTEIA CAPITAL, L.L.C.	1.04M	$10.4M	—	New
Linden Advisors LP	1M	$9.98M	—	New
Magnetar Financial LLC	1M	$9.98M	—	New
MILLENNIUM MANAGEMENT LLC	843.5K	$8.44M	—	New
LMR Partners LLP	650K	$6.51M	—	New
Tekne Capital Management, LLC	500K	$5M	—	New
AQR Arbitrage LLC	440.1K	$4.39M	—	New
BERKLEY W R CORP	397.7K	$3.98M	—	New
Periscope Capital Inc.	350K	$3.5M	—	New
WHITEBOX ADVISORS LLC	300K	$3M	—	New
Context Capital Management, LLC	300K	$3M	—	New
D. E. Shaw & Co., Inc.	300K	$2.99M	—	New
Khan Imran	292.5K	$2.93M	—	Held
OMERS ADMINISTRATION Corp	260K	$2.6M	—	New
Kryger Capital LLC	251.3K	$2.52M	—	Held
Proem Advisors LLC	242.9K	$2.43M	—	New
TWO SIGMA INVESTMENTS, LP	235.6K	$2.35M	—	New
BNP PARIBAS FINANCIAL MARKETS	209.9K	$2.1M	—	New
Lineage Point Capital LP	200K	$2M	—	New
Clear Street Group Inc.	181.9K	$1.82M	—	New
Shaolin Capital Management LLC	175K	$1.75M	—	New
Ghisallo Capital Management LLC	150K	$1.5M	—	New
Calamos Advisors LLC	148K	$1.48M	—	New
Logan Stone Capital, LLC	125K	$1.25M	—	New
Westchester Capital Management, LLC	122.2K	$1.22M	—	New
CSS LLC/IL	119.5K	$1.2M	—	New
BOOTHBAY FUND MANAGEMENT, LLC	100K	$1M	—	New
RIVERNORTH CAPITAL MANAGEMENT, LLC	100K	$1M	—	New
Verition Fund Management LLC	100K	$998K	—	New
DLD Asset Management, LP	75K	$750.8K	—	New
Radcliffe Capital Management, L.P.	55.4K	$553.8K	—	New
Warberg Asset Management LLC	51.5K	$514.7K	—	New
Bulldog Investors, LLP	50K	$499K	—	New
HEIGHTS CAPITAL MANAGEMENT, INC	48.2K	$481K	—	New
StoneX Group Inc.	44.7K	$445.7K	—	New
ABC ARBITRAGE SA	40K	$400.4K	—	New
Quarry LP	37.5K	$374.8K	—	New
Tuttle Capital Management, LLC	15K	$149.7K	—	New
Glazer Capital, LLC	649.9K	$6.49K	—	New
Mint Tower Capital Management B.V.	100K	$1K	—	New
Kepos Capital LP	100K	$1K	—	New
Virtu Financial LLC	38.8K	$387	—	New

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.