Yorkville Acquisition Corp. - MCGA
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BERKLEY W R CORP | History | No change | 1,645,570 | 16,801 | 0.8% | 0.89% | 1 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| MIZUHO SECURITIES USA LLC | History | No change | 1,292,253 | 13,051 | 0.31% | 0.31% | 2 | 0 | 0.0% | Q2 2026 | Jul 24, 2026 |
| Murchinson Ltd. | History | No change | 1,000,400 | 10,214 | 1.41% | 1.28% | 3 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | History | No change | 850,000 | 8,678 | 0.1% | 0.12% | 4 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Crossingbridge Advisors, LLC | History | No change | 850,000 | 8,678 | 1.53% | 1.55% | 5 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| D. E. Shaw & Co., Inc. | History | No change | 750,000 | 7,657 | 0.0% | 0.0% | 6 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| METEORA CAPITAL, LLC | History | Reduced | 704,353 | 7,191 | 0.6% | 0.59% | 7 | -89,585 | -11.28% | Q2 2026 | Aug 14, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | No change | 637,610 | 6,509 | 0.09% | 0.08% | 8 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| DLD Asset Management, LP | History | Reduced | 613,910 | 6,268 | 0.41% | 0.59% | 9 | -27,227 | -4.25% | Q2 2026 | Aug 12, 2026 |
| Westchester Capital Management, LLC | History | No change | 550,000 | 5,615 | 0.27% | 0.25% | 10 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| RLH Capital LLC | History | No change | 442,231 | 4,515 | 2.16% | 2.27% | 11 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| BCK CAPITAL MANAGEMENT LP | History | No change | 379,000 | 3,831 | 16.69% | 16.69% | 12 | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| Shaolin Capital Management LLC | History | Reduced | 338,625 | 3,457 | 0.16% | 0.15% | 13 | -61,375 | -15.34% | Q2 2026 | Aug 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | No change | 316,500 | 3,231 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| First Trust Capital Management L.P. | History | No change | 312,330 | 3,188 | 0.19% | 0.17% | 15 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| AQR Arbitrage LLC | History | Added to | 295,494 | 3,016 | 0.04% | 0.05% | 16 | +2,728 | 0.93% | Q2 2026 | Aug 14, 2026 |
| Radcliffe Capital Management, L.P. | History | No change | 294,690 | 3,008 | 0.23% | 0.22% | 17 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| GLAZER CAPITAL, LLC | History | Added to | 288,158 | 2,945 | 0.07% | 0.06% | 18 | +12,836 | 4.66% | Q2 2026 | Aug 14, 2026 |
| Clear Street Group Inc. | History | Added to | 533,072 | 2,918 | 0.01% | 0.01% | 19 | +15,614 | 3.02% | Q2 2026 | Aug 12, 2026 |
| SkyView Investment Advisors, LLC | History | New | 282,968 | 2,889 | 2.26% | — | 20 | +282,968 | New | Q2 2026 | Sep 14, 2026 |
| Polar Asset Management Partners Inc. | History | Added to | 264,692 | 2,702 | 0.04% | 0.05% | 21 | +25,000 | 10.43% | Q2 2026 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 254,508 | 2,598 | 0.0% | 0.0% | 22 | +197,389 | 345.58% | Q2 2026 | Aug 14, 2026 |
| Quarry LP | History | No change | 252,105 | 2,573 | 0.21% | 0.46% | 23 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| LMR Partners LLP | History | No change | 207,208 | 2,115 | 0.01% | 0.0% | 24 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| LINDEN ADVISORS LP | History | No change | 200,000 | 2,042 | 0.01% | 0.01% | 25 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | History | No change | 200,000 | 2,042 | 0.03% | 0.03% | 26 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| TORONTO DOMINION BANK | History | Reduced | 197,121 | 2,012 | 0.0% | 0.0% | 27 | -127,879 | -39.35% | Q2 2026 | Aug 14, 2026 |
| Magnetar Financial LLC | History | No change | 195,000 | 1,990 | 0.02% | 0.02% | 28 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 162,173 | 1,655 | 0.0% | 0.0% | 29 | +132,423 | 445.12% | Q2 2026 | Sep 02, 2026 |
| Hudson Bay Capital Management LP | History | No change | 150,000 | 1,531 | 0.0% | 0.01% | 30 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| HRT FINANCIAL LP | History | Added to | 147,371 | 1,504 | 0.0% | 0.0% | 31 | +5,008 | 3.52% | Q2 2026 | Aug 14, 2026 |
| Massar Capital Management, LP | History | No change | 130,000 | 1,340 | 0.13% | 0.14% | 32 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 125,955 | 1,286 | 0.0% | 0.0% | 33 | -13,296 | -9.55% | Q2 2026 | Aug 14, 2026 |
| PERISCOPE CAPITAL INC. | History | No change | 125,000 | 1,276 | 0.11% | 0.14% | 34 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 108,459 | 1,107 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Lineage Point Capital LP | History | No change | 100,100 | 1,022 | 0.21% | 0.25% | 36 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| WHITEBOX ADVISORS LLC | History | No change | 100,000 | 1,021 | 0.01% | 0.01% | 37 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Context Capital Management, LLC | History | No change | 100,000 | 1,021 | 0.02% | 0.02% | 38 | 0 | 0.0% | Q2 2026 | Jul 23, 2026 |
| MOORE CAPITAL MANAGEMENT, LP | History | No change | 100,000 | 1,021 | 0.02% | 0.02% | 39 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Mint Tower Capital Management B.V. | History | No change | 100,000 | 1,021 | 0.12% | 0.09% | 40 | 0 | 0.0% | Q2 2026 | Aug 18, 2026 |
| PICTON MAHONEY ASSET MANAGEMENT | History | No change | 84,996 | 867 | 0.01% | 0.01% | 41 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| CSS LLC/IL | History | No change | 82,253 | 839 | 0.03% | 0.04% | 42 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Jain Global LLC | History | No change | 75,000 | 765 | 0.0% | 0.0% | 43 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 69,920 | 717 | 0.0% | 0.0% | 44 | -17 | -0.02% | Q2 2026 | Aug 12, 2026 |
| Brevan Howard Capital Management LP | History | No change | 60,000 | 612 | 0.0% | 0.01% | 45 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Schonfeld Strategic Advisors LLC | History | Added to | 45,042 | 461 | 0.0% | 0.0% | 46 | +14,998 | 49.92% | Q2 2026 | Aug 14, 2026 |
| Virtu Financial LLC | History | Reduced | 37,259 | 380 | 0.01% | 0.02% | 47 | -2,744 | -6.86% | Q2 2026 | Aug 13, 2026 |
| MORGAN STANLEY | History | Reduced | 20,062 | 206 | 0.0% | 0.0% | 48 | -15 | -0.07% | Q2 2026 | Aug 13, 2026 |
| K2 PRINCIPAL FUND, L.P. | History | No change | 18,075 | 184 | 0.01% | 0.01% | 49 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| ROBINSON CAPITAL MANAGEMENT, LLC | History | No change | 15,200 | 155 | 0.07% | 0.06% | 50 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | Reduced | 6,460 | 65 | 0.0% | 0.0% | 51 | -28,540 | -81.54% | Q2 2026 | Aug 10, 2026 |
| HGC Investment Management Inc. | History | No change | 3,852 | 39 | 0.01% | 0.01% | 52 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Rangeley Capital, LLC | History | New | 2,016 | 20 | 0.02% | — | 53 | +2,016 | New | Q2 2026 | Aug 14, 2026 |
| GROUP ONE TRADING LLC | History | Added to | 1,900 | 19 | 0.0% | 0.0% | 54 | +1,700 | 850.0% | Q2 2026 | Aug 13, 2026 |
| UBS Group AG | History | Reduced | 535 | 5 | 0.0% | 0.0% | 55 | -325 | -37.79% | Q2 2026 | Aug 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -12,458 | -100.0% | Q2 2026 | Aug 12, 2026 |
| Mosley Wealth Management | History | Closed out | 0 | 0 | — | 0.0% | — | -137 | -100.0% | Q2 2026 | Jul 23, 2026 |
| SIMPLEX TRADING, LLC | History | New | 92 | 0 | — | — | — | +92 | New | Q2 2026 | Aug 12, 2026 |