Who owns Flag Ship Acquisition Corp?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of FSHP from SEC Form 13F filings across 14 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 14 institutions disclosed 1.9M shares of Flag Ship Acquisition Corp worth $21.3M — about 98.3% of shares outstanding; the largest disclosed holder is MIZUHO SECURITIES USA LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
14
13F holders
$21.3M
value, 2026 filers
98.3%
of shares outstanding (1.9M sh)
1
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of FSHP's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MIZUHO SECURITIES USA LLC | 450,500 | $4.9M | 0.1% | 22.9% | 0.0% |
| 2 | BERKLEY W R CORP | 449,489 | $5.0M | 0.2% | 22.9% | +3.5% |
| 3 | HEIGHTS CAPITAL MANAGEMENT, INC | 296,443 | $3.3M | 0.8% | 15.1% | -2.0% |
| 4 | RLH Capital LLC | 160,000 | $1.8M | 0.8% | 8.2% | -35.7% |
| 5 | Polar Asset Management Partners Inc. | 125,000 | $1.4M | 0.0% | 6.4% | -16.7% |
| 6 | AQR Arbitrage LLC | 120,931 | $1.3M | 0.0% | 6.2% | +0.5% |
| 7 | Crossingbridge Advisors, LLC | 93,552 | $1.0M | 0.2% | 4.8% | 0.0% |
| 8 | Quarry LP | 80,000 | $887,200 | 0.1% | 4.1% | -38.5% |
| 9 | Clear Street Group Inc. | 58,130 | $651,637 | 0.0% | 3% | -0.8% |
| 10 | Westchester Capital Management, LLC | 52,702 | $580,249 | 0.0% | 2.7% | 0.0% |
| 11 | GOLDMAN SACHS GROUP INC | 38,434 | $424,311 | 0.0% | 2% | 0.0% |
| 12 | BNP PARIBAS FINANCIAL MARKETS | 4,430 | $48,907 | 0.0% | 0.2% | 0.0% |
| 13 | MORGAN STANLEY | 57 | $629 | 0.0% | 0% | -6.6% |
| 14 | UBS Group AGNEW | 30 | $331 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.