29 institutions reported holding $33.0M of GIGCAPITAL9 CORP (GIXXU) in SEC 13F filings for 2026-06-30. Largest institutional holders: Yakira Capital Management, Inc. ($22.2M), Westchester Capital Management, LLC ($3.1M), LMR Partners LLP ($3.1M), Lineage Point Capital LP ($1.5M), HGC Investment Management Inc. ($1.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Yakira Capital Management, Inc. | $22.2M | 2.2M | Hold |
| 2 | Westchester Capital Management, LLC | $3.1M | 300,000 | Hold |
| 3 | LMR Partners LLP | $3.1M | 300,000 | Hold |
| 4 | Lineage Point Capital LP | $1.5M | 148,777 | Trimmed |
| 5 | HGC Investment Management Inc. | $1.0M | 100,000 | Hold |
| 6 | Lynrock Lake LP | $518,500 | 50,000 | Hold |
| 7 | Clear Street Group Inc. | $430,807 | 42,319 | Added |
| 8 | Verition Fund Management LLC | $381,750 | 37,500 | Hold |
| 9 | Bulldog Investors, LLP | $329,079 | 32,231 | Trimmed |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $305,400 | 30,000 | Hold |
| 11 | OMERS ADMINISTRATION Corp | $129,459 | 12,717 | Hold |
| 12 | UBS Group AG | $408 | 40 | New |
| 13 | AQR Arbitrage LLC | $0 | 0 | Exited |
| 14 | MILLENNIUM MANAGEMENT LLC | $0 | 0 | Exited |
| 15 | WOLVERINE ASSET MANAGEMENT LLC | $0 | 0 | Exited |
| 16 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 17 | Kepos Capital LP | $0 | 0 | Exited |
| 18 | PICTON MAHONEY ASSET MANAGEMENT | $0 | 0 | Exited |
| 19 | Warberg Asset Management LLC | $0 | 0 | Exited |
| 20 | Yorkville Advisors Global, LP | $0 | 0 | Exited |
| 21 | Quarry LP | $0 | 0 | Exited |
| 22 | TrueMark Investments, LLC | $0 | 0 | Exited |
| 23 | RLH Capital LLC | $0 | 0 | Exited |
| 24 | ABC ARBITRAGE SA | $0 | 0 | Exited |
| 25 | First Trust Capital Management L.P. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30