PAAC · Proem Acquisition Corp. I

$9.97 -0.01 (-0.10%) At close · Aug 26

Market Cap

$176.88M

17.72M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 44

Total Value: $126,773,126

Total Shares: 17,308,159

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 44 13F filers · Δ vs Mar 31, 2026

Top Holder

9.4%

−0.1 pts

Top 5

39.9%

−0.4 pts

Top 10

61.0%

−0.0 pts

HHI

483

Broadly held+0

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +1

Institutional value: +0.2%

Shares held: +36.9%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mid Polar Asset Management Partners Inc.	+606,399	1,806,399
Mid ARISTEIA CAPITAL, L.L.C.	+519,999	1,559,999
Mid Magnetar Financial LLC	+500,000	1,500,000
Mid Linden Advisors LP	+500,000	1,500,000
Mega MILLENNIUM MANAGEMENT LLC	+397,600	1,241,100

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds	Open
Small Warberg Asset Management LLC	−26,936	24,564
Mid Westchester Capital Management, LLC	−5,000	117,188

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	114,650	$1,139,621
Mid WOLVERINE ASSET MANAGEMENT LLC	72,967	$725,291
Large Parallax Volatility Advisers, L.P.	96,588	$302,096
Mega MORGAN STANLEY	12	$119
Micro Lepercq De Neuflize Asset Management LLC	100,000	$0

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large Calamos Advisors LLC	148,010	$1,481,580
Small StoneX Group Inc.	44,658	$447,026
Mid Virtu Financial LLC	38,801	$388,398
Small Tuttle Capital Management, LLC	15,000	$150,150

Filter: New 5 Increased 24 Reduced 2 Sold out 4 Unchanged 13

Showing 70 of 70

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Polar Asset Management Partners Inc.

$11,928,000

9.41%

1,200,000

ARISTEIA CAPITAL, L.L.C.

$10,337,600

8.15%

1,040,000

Linden Advisors LP

$9,940,000

7.84%

1,000,000

Magnetar Financial LLC

$9,940,000

7.84%

1,000,000

MILLENNIUM MANAGEMENT LLC

$8,384,390

6.61%

843,500

GLAZER CAPITAL, LLC

$6,834,744

5.39%

687,600

LMR Partners LLP PAACU

$6,552,000

5.17%

650,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
LMR PARTNERS (DIFC) Ltd	650,000	$6,552,000	100.0%	Sole

Tekne Capital Management, LLC PAACU

$5,040,000

3.98%

500,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Tekne Long Only Master Fund, L.P.	500,000	$5,040,000	100.0%	Defined

AQR Arbitrage LLC

$4,474,719

3.53%

450,173

BERKLEY W R CORP

$3,953,336

3.12%

397,720

Periscope Capital Inc.

$3,477,012

2.74%

349,800

Clear Street Group Inc.

$3,219,088

2.54%

323,852

D. E. Shaw & Co., Inc.

$2,990,548

2.36%

300,860

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	300,860	$2,990,548	100.0%	Defined

WHITEBOX ADVISORS LLC

$2,982,000

2.35%

300,000

Context Capital Management, LLC

$2,982,000

2.35%

300,000

Khan Imran PAACU

$2,948,399

2.33%

292,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Proem Advisors LLC	242,924	$2,448,673	83.1%	Defined
Held directly	49,576	$499,726	16.9%	Sole

OMERS ADMINISTRATION Corp PAACU

$2,620,800

2.07%

260,000

Proem Advisors LLC PAACU

$2,448,673

1.93%

242,924

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Khan Imran	242,924	$2,448,673	100.0%	Defined

Kryger Capital LLC

$2,439,613

1.92%

245,434

TWO SIGMA INVESTMENTS, LP

$2,342,102

1.85%

235,624

BNP PARIBAS ARBITRAGE, SA

$2,086,803

1.65%

209,940

Lineage Point Capital LP PAACU

$2,016,000

1.59%

200,000

Shaolin Capital Management LLC

$1,520,412

1.20%

152,959

Ghisallo Capital Management LLC

$1,491,000

1.18%

150,000

Logan Stone Capital, LLC

$1,242,500

0.98%

125,000

Westchester Capital Management, LLC PAACU

$1,181,253

0.93%

117,188

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WESTCHESTER CAPITAL PARTNERS, LLC	999	$10,069	0.9%	Sole
Virtus Investment Advisers, LLC	106,298	$1,071,483	90.7%	Other
Held directly	9,891	$99,701	8.4%	Sole

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS

$1,139,621

0.90%

114,650

BOOTHBAY FUND MANAGEMENT, LLC PAACU

$1,008,000

0.80%

100,000

Mint Tower Capital Management B.V.

$994,000

0.78%

100,000

RIVERNORTH CAPITAL MANAGEMENT, LLC

$994,000

0.78%

100,000

Verition Fund Management LLC

$994,000

0.78%

100,000

Kepos Capital LP

$994,000

0.78%

100,000

DLD Asset Management, LP

$745,500

0.59%

75,000

WOLVERINE ASSET MANAGEMENT LLC

$725,291

0.57%

72,967

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	72,967	$725,291	100.0%	Defined

CSS LLC/IL

$660,423

0.52%

66,441

Radcliffe Capital Management, L.P.

$629,013

0.50%

63,281

Bulldog Investors, LLP PAACU

$504,000

0.40%

50,000

HEIGHTS CAPITAL MANAGEMENT, INC

$479,108

0.38%

48,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	48,200	$479,108	100.0%	Other

ABC ARBITRAGE SA

$397,600

0.31%

40,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ABC ARBITRAGE ASSET MANAGEMENT	40,000	$397,600	100.0%	Other

Quarry LP PAACU

$378,000

0.30%

37,500

Parallax Volatility Advisers, L.P.

$302,096

0.24%

30,392

Warberg Asset Management LLC PAACU

$247,605

0.20%

24,564

Clear Street Group Inc. PAACU

$207,758

0.16%

20,611

MORGAN STANLEY

$119

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	12	$119	100.0%	Defined

HEIGHTS CAPITAL MANAGEMENT, INC PAACW

—

24,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	24,100	$0	—	Other

Lepercq De Neuflize Asset Management LLC PAACW

—

100,000

Kryger Capital LLC PAACW

—

124,642

ARISTEIA CAPITAL, L.L.C. PAACW

—

519,999

BNP PARIBAS ARBITRAGE, SA PAACW

—

104,970

D. E. Shaw & Co., Inc. PAACW

—

150,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	150,000	$0	—	Defined

Shaolin Capital Management LLC PAACW

—

90,605

Radcliffe Capital Management, L.P. PAACW

—

31,639

Verition Fund Management LLC PAACW

—

81,183

AQR Arbitrage LLC PAACW

—

222,327

WHITEBOX ADVISORS LLC PAACW

—

150,000

Linden Advisors LP PAACW

—

500,000

Clear Street Group Inc. PAACW

—

101,599

Mint Tower Capital Management B.V. PAACW

—

50,000

Kepos Capital LP PAACW

—

48,000

GLAZER CAPITAL, LLC PAACW

—

274,098

Polar Asset Management Partners Inc. PAACW

—

606,399

MILLENNIUM MANAGEMENT LLC PAACW

—

397,600

Lineage Point Capital LP PAACW

—

22,223

Parallax Volatility Advisers, L.P. PAACW

—

66,196

BERKLEY W R CORP PAACW

—

101,717

CSS LLC/IL PAACW

—

59,771

RIVERNORTH CAPITAL MANAGEMENT, LLC PAACW

—

50,000

Magnetar Financial LLC PAACW

—

500,000

DLD Asset Management, LP PAACW

—

37,499

Periscope Capital Inc. PAACW

—

174,900

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STONEX FINANCIAL INC.	44,658	$447,026	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	38,801	$388,398	100.0%	Defined

Key facts CIK 2087446 CUSIP G7341A103 13F (30d) 41 filings 41 filers