18 institutions reported holding $25.6M of FLAG SHIP ACQUISITION CORP (FSHP) in SEC 13F filings for 2026-06-30. Largest institutional holders: MIZUHO SECURITIES USA LLC ($9.2M), BERKLEY W R CORP ($5.0M), HEIGHTS CAPITAL MANAGEMENT, INC ($3.3M), RLH Capital LLC ($1.8M), Polar Asset Management Partners Inc. ($1.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MIZUHO SECURITIES USA LLC | $9.2M | 850,500 | Added |
| 2 | BERKLEY W R CORP | $5.0M | 449,489 | Added |
| 3 | HEIGHTS CAPITAL MANAGEMENT, INC | $3.3M | 296,443 | Trimmed |
| 4 | RLH Capital LLC | $1.8M | 160,000 | Trimmed |
| 5 | Polar Asset Management Partners Inc. | $1.4M | 125,000 | Trimmed |
| 6 | AQR Arbitrage LLC | $1.3M | 120,931 | Added |
| 7 | Crossingbridge Advisors, LLC | $1.0M | 93,552 | Hold |
| 8 | Quarry LP | $887,200 | 80,000 | Trimmed |
| 9 | Clear Street Group Inc. | $651,637 | 58,130 | Trimmed |
| 10 | Westchester Capital Management, LLC | $580,249 | 52,702 | Hold |
| 11 | GOLDMAN SACHS GROUP INC | $424,311 | 38,434 | Hold |
| 12 | BNP PARIBAS FINANCIAL MARKETS | $48,907 | 4,430 | Hold |
| 13 | MORGAN STANLEY | $629 | 57 | Trimmed |
| 14 | UBS Group AG | $331 | 30 | New |
| 15 | WOLVERINE ASSET MANAGEMENT LLC | $0 | 0 | Exited |
| 16 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 17 | TORONTO DOMINION BANK | $0 | 0 | Exited |
| 18 | Karpus Management, Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30