FSHP · Flag Ship Acquisition Corp

$11.38 -0.16 (-1.39%) At close · Sep 4

Market Cap

$40.04M

3.52M

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.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 27

Total Value: $21,195,875

Total Shares: 7,116,831

Institutional Ownership Trend

9 quarters

Holder Concentration

Across 27 13F filers · Δ vs Mar 31, 2026

Top Holder

23.8%

−0.6 pts

Top 5

75.7%

+3.4 pts

Top 10

97.7%

+4.3 pts

HHI

1,482

Broadly held+181

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -2

Institutional value: -35.2%

Shares held: -15.6%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mid BERKLEY W R CORP	+15,069	449,489
Mid AQR Arbitrage LLC	+605	120,931
Mega UBS Group AG	+30	593

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid WOLVERINE ASSET MANAGEMENT LLC	−148,235	45,149
Small Bulldog Investors, LLP	−107,184	167,816
Small RLH Capital LLC	−88,949	160,000
Large Clear Street Group Inc.	−52,459	436,130
Mid MIZUHO SECURITIES USA LLC	−50,500	400,000

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)	Open
Mega WELLS FARGO & COMPANY/MN	7,184	$0

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Karpus Management, Inc.	727,825	$7,955,127
Mega JANE STREET GROUP, LLC	10,132	$110,742
Mid T3 Companies, LLC	15,626	$0

Filter: New 1 Increased 3 Reduced 12 Sold out 3 Unchanged 11

Showing 34 of 34

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BERKLEY W R CORP

$5,038,771

23.77%

449,489

MIZUHO SECURITIES USA LLC

$4,484,000

21.16%

400,000

HEIGHTS CAPITAL MANAGEMENT, INC

$3,323,126

15.68%

296,443

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

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	296,443	$3,323,126	100.0%	Other

RLH Capital LLC

$1,793,600

8.46%

160,000

Polar Asset Management Partners Inc.

$1,401,250

6.61%

125,000

AQR Arbitrage LLC

$1,355,636

6.40%

120,931

Crossingbridge Advisors, LLC

$1,048,717

4.95%

93,552

Quarry LP

$896,800

4.23%

80,000

Clear Street Group Inc.

$651,637

3.07%

58,130

Westchester Capital Management, LLC

$590,787

2.79%

52,702

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	476	$5,335	0.9%	Sole
Virtus Investment Advisers, LLC	47,880	$536,734	90.9%	Other
Held directly	4,346	$48,718	8.2%	Sole

GOLDMAN SACHS GROUP INC

$430,845

2.03%

38,434

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	38,434	$430,845	100.0%	Defined

Clear Street Group Inc. FSHPU

$125,668

0.59%

11,414

BNP PARIBAS ARBITRAGE, SA

$49,660

0.23%

4,430

UBS Group AG FSHPU

$4,404

0.02%

400

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	400	$4,404	100.0%	Defined

MORGAN STANLEY

$638

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	57	$638	100.0%	Defined

UBS Group AG

$336

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	30	$336	100.0%	Defined

UBS Group AG FSHPR

—

163

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	163	$0	—	Defined

WOLVERINE ASSET MANAGEMENT LLC FSHPR

—

45,149

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

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	45,149	$0	—	Defined

LONGFELLOW INVESTMENT MANAGEMENT CO LLC FSHPR

—

7,520

WELLS FARGO & COMPANY/MN FSHPR

—

7,184

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

Manager	Shares	Value (USD)	% of position	Discretion
Wells Fargo Securities, LLC	7,184	$0	—	Defined

GRITSTONE ASSET MANAGEMENT LLC FSHPR

—

182,271

Yakira Capital Management, Inc. FSHPR

—

304,599

Polar Asset Management Partners Inc. FSHPR

—

377,000

TORONTO DOMINION BANK FSHPR

—

494,571

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	494,571	$0	—	Defined

Bulldog Investors, LLP FSHPR

—

167,816

HIGHBRIDGE CAPITAL MANAGEMENT LLC FSHPR

—

446,481

RIVERNORTH CAPITAL MANAGEMENT, LLC FSHPR

—

577,000

Harraden Circle Investments, LLC FSHPR

—

1,669,823

HEIGHTS CAPITAL MANAGEMENT, INC FSHPR

—

260,383

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

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	260,383	$0	—	Other

BNP PARIBAS ARBITRAGE, SA FSHPR

—

86,443

Cable Car Capital, LP FSHPR

—

138,000

BOOTHBAY FUND MANAGEMENT, LLC FSHPR

—

67,830

HGC Investment Management Inc. FSHPR

—

27,000

Clear Street Group Inc. FSHPR

—

366,586

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

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	10,132	$110,742	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
T3 TRADING GROUP, LLC	15,626	$0	—	Sole

Key facts CIK 1850059 CUSIP G3530C109 13F (30d) 13 filings 13 filers