SIMA · SIM Acquisition Corp. I

$10.93 -0.05 (-0.46%) At close · Aug 21

Market Cap

$89.84M

8.22M

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: 39

Total Value: $3,507,468

Total Shares: 9,441,115

Institutional Ownership Trend

8 quarters

Holder Concentration

Across 39 13F filers · Δ vs Mar 31, 2026

Top Holder

32.9%

+23.8 pts

Top 5

91.5%

+55.3 pts

Top 10

100.0%

+41.9 pts

HHI

2,236

Moderately concentrated+1,777

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -17

Institutional value: -98.5%

Shares held: -69.6%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Small Harraden Circle Investments, LLC	+278,345	1,047,372
Small Lineage Point Capital LP	+155,007	255,007
Mid METEORA CAPITAL, LLC	+97,498	297,483
Small CSS LLC/IL	+92	193,814

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid Magnetar Financial LLC	−1,945,200	972,598
Large PICTON MAHONEY ASSET MANAGEMENT	−1,650,600	349,400
Mid AQR Arbitrage LLC	−1,455,439	814,850
Large LMR Partners LLP	−980,000	490,000
Mid MMCAP International Inc. SPC	−980,000	990,000

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega GEODE CAPITAL MANAGEMENT, LLC	15,452	$168,086
Mega JPMORGAN CHASE & CO	9,279	$101,419
Mid BOOTHBAY FUND MANAGEMENT, LLC	88,317	$0
Small StoneX Group Inc.	51,534	$0
Mid ARISTEIA CAPITAL, L.L.C.	100,000	$0

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Karpus Management, Inc.	1,725,032	$18,492,343
Mid First Trust Capital Management L.P.	1,294,000	$13,871,680
Mega D. E. Shaw & Co., Inc.	987,497	$10,585,967
Mid BERKLEY W R CORP	912,286	$9,779,705
Mega GOLDMAN SACHS GROUP INC	623,342	$6,682,226

Filter: New 6 Increased 4 Reduced 23 Sold out 23 Unchanged 6

Showing 44 of 44

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

METEORA CAPITAL, LLC

$1,154,949

32.93%

106,173

MIZUHO SECURITIES USA LLC

$903,028

25.75%

83,018

DLD Asset Management, LP

$652,680

18.61%

60,000

Kepos Capital LP

$326,340

9.30%

30,000

GEODE CAPITAL MANAGEMENT, LLC

$168,086

4.79%

15,452

JPMORGAN CHASE & CO SIMAU

$101,419

2.89%

9,279

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

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	9,279	$101,419	100.0%	Defined

Clear Street Group Inc. SIMAU

$99,834

2.85%

9,134

Clear Street Group Inc.

$72,795

2.08%

6,692

UBS Group AG SIMAU

$20,646

0.59%

1,889

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	1,889	$20,646	100.0%	Defined

BARCLAYS PLC SIMAU

$7,148

0.20%

654

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	654	$7,148	100.0%	Defined

MORGAN STANLEY

$543

0.02%

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	50	$543	100.0%	Defined

StoneX Group Inc. SIMAW

—

51,534

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

Manager	Shares	Value (USD)	% of position	Discretion
STONEX FINANCIAL INC.	51,534	$0	—	Defined

AQR Arbitrage LLC SIMAW

—

814,850

Alberta Investment Management Corp SIMAW

—

375,000

BNP PARIBAS ARBITRAGE, SA SIMAW

—

299,540

Clear Street Group Inc. SIMAW

—

119,238

Saba Capital Management, L.P. SIMAW

—

111,217

Periscope Capital Inc. SIMAW

—

172,500

METEORA CAPITAL, LLC SIMAW

—

191,310

Yakira Capital Management, Inc. SIMAW

—

49,180

Westchester Capital Management, LLC SIMAW

—

187,499

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtus Investment Advisers, LLC	164,265	$0	—	Other
Held directly	23,234	$0	—	Sole

UBS Group AG SIMAW

—

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	75	$0	—	Defined

K2 PRINCIPAL FUND, L.P. SIMAW

—

265,272

Magnetar Financial LLC SIMAW

—

972,598

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND SIMAW

—

375,000

Shaolin Capital Management LLC SIMAW

—

100,383

Bulldog Investors, LLP SIMAW

—

206,141

GRITSTONE ASSET MANAGEMENT LLC SIMAW

—

75,542

LONGFELLOW INVESTMENT MANAGEMENT CO LLC SIMAW

—

3,783

PICTON MAHONEY ASSET MANAGEMENT SIMAW

—

349,400

CSS LLC/IL SIMAW

—

193,814

MMCAP International Inc. SPC SIMAW

—

990,000

Schonfeld Strategic Advisors LLC SIMAW

—

20,000

LMR Partners LLP SIMAW

—

490,000

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	490,000	$0	—	Sole

DLD Asset Management, LP SIMAW

—

50,522

RIVERNORTH CAPITAL MANAGEMENT, LLC SIMAW

—

200,951

Harraden Circle Investments, LLC SIMAW

—

1,047,372

WHITEBOX ADVISORS LLC SIMAW

—

250,000

HIGHBRIDGE CAPITAL MANAGEMENT LLC SIMAW

—

307,849

TORONTO DOMINION BANK SIMAW

—

400,000

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

Manager	Shares	Value (USD)	% of position	Discretion
TD SECURITIES (USA) LLC	400,000	$0	—	Defined

ARISTEIA CAPITAL, L.L.C. SIMAW

—

100,000

Arax Advisory Partners SIMAW

—

4,880

Lineage Point Capital LP SIMAW

—

255,007

BOOTHBAY FUND MANAGEMENT, LLC SIMAW

—

88,317

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.	987,497	$10,585,967	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	623,342	$6,682,226	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	551,793	$5,915,220	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
SONA ASSET MANAGEMENT (UK) LLP	100,000	$1,072,000	100.0%	Other

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

Manager	Shares	Value (USD)	% of position	Discretion
Crossingbridge Advisors, LLC	53,900	$577,808	100.0%	Other

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

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	18,117	$0	—	Defined

Key facts CIK 2014982 CUSIP G8431T101 13F (30d) 42 filings 41 filers Visit website