36 institutions reported holding $15.4M of GigCapital7 Corp. (GIG) in SEC 13F filings for 2026-06-30. Largest institutional holders: MIZUHO SECURITIES USA LLC ($15.4M), BOOTHBAY FUND MANAGEMENT, LLC ($0), METEORA CAPITAL, LLC ($0), AQR Arbitrage LLC ($0), GEODE CAPITAL MANAGEMENT, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MIZUHO SECURITIES USA LLC | $15.4M | 1.5M | Hold |
| 2 | BOOTHBAY FUND MANAGEMENT, LLC | $0 | 0 | Exited |
| 3 | METEORA CAPITAL, LLC | $0 | 0 | Exited |
| 4 | AQR Arbitrage LLC | $0 | 0 | Exited |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 6 | Radcliffe Capital Management, L.P. | $0 | 0 | Exited |
| 7 | MILLENNIUM MANAGEMENT LLC | $0 | 0 | Exited |
| 8 | Linden Advisors LP | $0 | 0 | Exited |
| 9 | Polar Asset Management Partners Inc. | $0 | 0 | Exited |
| 10 | BERKLEY W R CORP | $0 | 0 | Exited |
| 11 | Ionic Capital Management LLC | $0 | 0 | Exited |
| 12 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 13 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 14 | MOORE CAPITAL MANAGEMENT, LP | $0 | 0 | Exited |
| 15 | Westchester Capital Management, LLC | $0 | 0 | Exited |
| 16 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $0 | 0 | Exited |
| 17 | D. E. Shaw & Co., Inc. | $0 | 0 | Exited |
| 18 | DLD Asset Management, LP | $0 | 0 | Exited |
| 19 | Alpine Global Management, LLC | $0 | 0 | Exited |
| 20 | Yakira Capital Management, Inc. | $0 | 0 | Exited |
| 21 | First Trust Capital Management L.P. | $0 | 0 | Exited |
| 22 | UBS Group AG | $0 | 0 | Exited |
| 23 | Mint Tower Capital Management B.V. | $0 | 0 | Exited |
| 24 | Shay Capital LLC | $0 | 0 | Exited |
| 25 | Clear Street Group Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30