Who Owns YORKVILLE ACQUISITION CORP. (MCGA)? -- Institutional Holders (2026-06-30)
55 institutions reported holding $166.0M of YORKVILLE ACQUISITION CORP. (MCGA) in SEC 13F filings for 2026-06-30. Largest institutional holders: MIZUHO SECURITIES USA LLC ($29.0M), BERKLEY W R CORP ($16.8M), Murchinson Ltd. ($10.2M), Crossingbridge Advisors, LLC ($8.7M), Davidson Kempner Capital Management LP ($8.7M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | MIZUHO SECURITIES USA LLC | $29.0M | 2.9M | Added |
| 2 | BERKLEY W R CORP | $16.8M | 1.6M | Hold |
| 3 | Murchinson Ltd. | $10.2M | 1.0M | Hold |
| 4 | Crossingbridge Advisors, LLC | $8.7M | 850,000 | Hold |
| 5 | Davidson Kempner Capital Management LP | $8.7M | 850,000 | Hold |
| 6 | D. E. Shaw & Co., Inc. | $7.7M | 750,000 | Hold |
| 7 | METEORA CAPITAL, LLC | $7.2M | 704,353 | Trimmed |
| 8 | BOOTHBAY FUND MANAGEMENT, LLC | $6.5M | 637,610 | Hold |
| 9 | DLD Asset Management, LP | $6.3M | 613,910 | Trimmed |
| 10 | Westchester Capital Management, LLC | $5.6M | 550,000 | Hold |
| 11 | RLH Capital LLC | $4.5M | 442,231 | Hold |
| 12 | Shaolin Capital Management LLC | $3.5M | 338,625 | Trimmed |
| 13 | MILLENNIUM MANAGEMENT LLC | $3.2M | 316,500 | Hold |
| 14 | First Trust Capital Management L.P. | $3.2M | 312,330 | Hold |
| 15 | AQR Arbitrage LLC | $3.0M | 295,494 | Added |
| 16 | Radcliffe Capital Management, L.P. | $3.0M | 294,690 | Hold |
| 17 | Polar Asset Management Partners Inc. | $2.7M | 264,692 | Added |
| 18 | GLAZER CAPITAL, LLC | $2.7M | 263,158 | Added |
| 19 | JANE STREET GROUP, LLC | $2.6M | 254,508 | Added |
| 20 | Quarry LP | $2.6M | 252,105 | Hold |
| 21 | LMR Partners LLP | $2.1M | 207,208 | Hold |
| 22 | Linden Advisors LP | $2.0M | 200,000 | Hold |
| 23 | TENOR CAPITAL MANAGEMENT Co., L.P. | $2.0M | 200,000 | Hold |
| 24 | TORONTO DOMINION BANK | $2.0M | 197,121 | Trimmed |
| 25 | Magnetar Financial LLC | $2.0M | 195,000 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30