SEC ownership of Flag Ship Acquisition Corp

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001850059.

Comparable stake leader

MIZUHO FINANCIAL GROUP INC

Disclosed value leader

Karpus Management, Inc.

Comparable rows

15/34

Latest evidence

31 Mar 2026

Top shareholders Insider holders Latest transactions

Public ticker: FSHP, FSHPU, FSHPR on Nasdaq
Parsed ownership sources: 13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder: MIZUHO FINANCIAL GROUP INC
Ranking: Comparable ownership first, then disclosed value
Comparable ownership rows: 15 of 34
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder: MIZUHO FINANCIAL GROUP INC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date: 31 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer CIK: 0001850059
Issuer location: New York, NY

Ownership snapshot

Top shareholders of Flag Ship Acquisition Corp (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

MIZUHO FINANCIAL GROUP INC

Disclosed value leader

Karpus Management, Inc.

Comparable rows

15/34

Latest evidence

31 Mar 2026

13D/G 13F 3/4/5 Lead comparable stake: 8.1% 19 rows are not safely comparable across share classes. 13D/G row: MIZUHO FINANCIAL GROUP INC Showing 1-8 of 34 holder rows.

Quick read

MIZUHO FINANCIAL GROUP INC leads the comparable SEC ownership view at 8.1%.

15 of 34 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens MIZUHO FINANCIAL GROUP INC's linked filing trail.

Comparable ownership Top 5

MIZUHO FINANCIAL GROUP INC 8.1%

CVI Investments, Inc. 6.1%

TD SECURITIES (USA) LLC 4.4%

WOLVERINE ASSET MANAGEMENT LLC 2.9%

Karpus Management, Inc. 0.05%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 34 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
MIZUHO FINANCIAL GROUP INC	13D/G 13D/G	8.1%	$7,464,903 718,470 shares	+$612,698	30 Jun 2025
CVI Investments, Inc.	13D/G 13D/G	6.1%	$3,353,865 306,569 shares	$0	31 Dec 2025
TD SECURITIES (USA) LLC	13D/G 13D/G	4.4%	$4,033,907 388,623 shares	-$1,958,156	31 Mar 2025
WOLVERINE ASSET MANAGEMENT LLC	13D/G 13F Company 13D/G 13F	2.9%	$1,531,694 147,420 shares	-$3,295,531	30 Sep 2025
Karpus Management, Inc.	13F 13D/G Company 13F 13D/G	0.05% from 13D/G	$7,955,127 727,825 shares	—	31 Mar 2026
MIZUHO SECURITIES USA LLC	13F Company 13F	9%	$4,865,400 450,500 shares	—	31 Mar 2026
BERKLEY W R CORP	13F Company 13F	8.6%	$4,748,211 434,420 shares	—	31 Mar 2026
RLH Capital LLC	13F Company 13F	5%	$2,721,013 248,949 shares	—	31 Mar 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 10 Aug 2025.

Buys

Insiders: 0

Sells

Insiders: 0

Net

Shares: 0

Window

Last 12 months

4 rolling buckets

Buy value Sell value

Shares: 0 Shares: 0

Window (months)	Buy value	Sell value	Net value
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-6 of 6 reporting-owner rows connected to Flag Ship Acquisition Corp. Open a relationship link for the CIK-to-CIK filing trail.

Rows

Largest Forms 3/4/5 holder

Shan Cui

Net 12M change

Latest report

20 Jun 2024

Name	Relationship	Valuation	Report Date
Shan Cui	Director	Mixed	17 Jun 2024
Wen He	Director	Mixed	17 Jun 2024
Whale Management Corp	10%+ Owner	Mixed	20 Jun 2024
Luhuan Zhong	Chief Financial Officer	Mixed	17 Jun 2024
Matthew Chen	Chairman and CEO, Director, 10%+ Owner	Mixed	17 Jun 2024
Pai Liu	Director	Mixed	17 Jun 2024

Recent insider transactions for Flag Ship Acquisition Corp

Showing up to 300 recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares owned	Date	Ownership
No insider transactions were found in the last 12 months for this issuer.

^* marks a reported price that did not pass the local price check.