Comparable stake leader
MIZUHO FINANCIAL GROUP INC
SEC ownership of Flag Ship Acquisition Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001850059.
Disclosed value leader
MIZUHO FINANCIAL GROUP INC
Comparable rows
14/34
Latest evidence
30 Jun 2026
- 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
-
14 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
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001850059
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
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
MIZUHO FINANCIAL GROUP INC
Comparable rows
14/34
Latest evidence
30 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 8.1%
20 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%.
14 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
|
8.1%
|
$7,464,903
718,470 shares
|
+$612,698 | 30 Jun 2025 |
| CVI Investments, Inc. |
13D/G
|
6.1%
|
$3,353,865
306,569 shares
|
$0 | 31 Dec 2025 |
| TD SECURITIES (USA) LLC |
13D/G
|
4.4%
|
$4,033,907
388,623 shares
|
-$1,958,156 | 31 Mar 2025 |
| WOLVERINE ASSET MANAGEMENT LLC |
13D/G
13F
Company
|
2.9%
|
$1,531,694
147,420 shares
|
-$3,295,531 | 30 Sep 2025 |
| Karpus Management, Inc. |
13D/G
|
0.05%
|
$27,153
2,482 shares
|
-$8,053,131 | 29 May 2026 |
| MIZUHO SECURITIES USA LLC |
13F
3/4/5
Company · 10%+ Owner
|
6.3%
from 3/4/5
|
$4,360,000
400,000 shares
|
— | 30 Jun 2026 |
| BERKLEY W R CORP |
13F
Company
|
8.9%
|
$4,991,126
449,489 shares
|
— | 30 Jun 2026 |
| RLH Capital LLC |
13F
Company
|
3.2%
|
$1,774,400
160,000 shares
|
— | 30 Jun 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
Net insider flow leans to selling over the last 12 months. Net value: -$954,550.
Buys
$0
Insiders: 0
Sells
$954,550
Insiders: 1
Net
-$954,550
Shares: -85,000
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 85,000
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 85,000 | $0 | $954,550 | -$954,550 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-7 of 7 reporting-owner rows connected to Flag Ship Acquisition Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
MIZUHO SECURITIES USA LLC
Net 12M change
-$954,550
Latest report
14 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| MIZUHO SECURITIES USA LLC | 10%+ Owner | $3,537,450 | -$954,550 | -21% | Filing P/S | 14 Aug 2026 |
| Wen He | Director | Mixed | 17 Jun 2024 | |||
| Whale Management Corp | 10%+ Owner | Mixed | 20 Jun 2024 | |||
| Shan Cui | Director | Mixed | 17 Jun 2024 | |||
| Matthew Chen | Chairman and CEO, Director, 10%+ Owner | Mixed | 17 Jun 2024 | |||
| Pai Liu | Director | Mixed | 17 Jun 2024 | |||
| Luhuan Zhong | Chief Financial Officer | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Mizuho Securities Usa Llc | FSHP | Common Stock | Sale | -21.2% | $954,550 | $11.23 | -85,000 | 315,000 | 17 Aug 2026 | Direct |
* marks a reported price that did not pass the local price check.