MCGA · Company research
Yorkville Acquisition Corp. Class A Ordinary Share (MCGA): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
62records availableOther
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| CSS LLC/IL | 1103646 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 82253 | 839803 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Murchinson Ltd. | 1838556 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000400 | 10214084 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AQR Arbitrage LLC | 1167456 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 295494 | 3016994 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PICTON MAHONEY ASSET MANAGEMENT | 1539041 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 84996 | 867809 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ARISTEIA CAPITAL, L.L.C. | 1080171 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 126296 | 36954 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Shaolin Capital Management LLC | 1766806 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 338625 | 3457361 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WHITEBOX ADVISORS LLC | 1257391 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1021000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Crossingbridge Advisors, LLC | 1770024 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 850000 | 8678500 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MIZUHO SECURITIES USA LLC | 812291 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1292253 | 13051755 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 147371 | 1504 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 637610 | 6509998 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2100 | 21441 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| RLH Capital LLC | 2008031 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 442231 | 4515179 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Periscope Capital Inc. | 1695320 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 125000 | 1276250 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Schonfeld Strategic Advisors LLC | 1665241 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29898 | 305258 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1346554 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200000 | 2042000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 108459 | 1107366 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| HGC Investment Management Inc. | 1711200 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3852 | 39329 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WOLVERINE ASSET MANAGEMENT LLC | 1279891 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6460 | 65957 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| BERKLEY W R CORP | 11544 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1645570 | 16801270 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Rangeley Capital, LLC | 1517796 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2016 | 20583 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Magnetar Financial LLC | 1352851 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 195000 | 1990950 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| K2 PRINCIPAL FUND, L.P. | 1461790 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18075 | 184546 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100047 | 1021480 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Decagon Asset Management LLP | 1950677 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 175268 | 44886 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Harraden Circle Investments, LLC | 1910592 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 510699 | 130790 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MOORE CAPITAL MANAGEMENT, LP | 1448574 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1021000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 316500 | 3231465 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Brevan Howard Capital Management LP | 1512857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 60000 | 612900 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TORONTO DOMINION BANK | 947263 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42078 | 10772 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Parallax Volatility Advisers, L.P. | 1521001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 49564 | 12703 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Westchester Capital Management, LLC | 1512805 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 498818 | 5092932 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Hudson Bay Capital Management LP | 1393825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 150000 | 1531500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LMR Partners LLP | 1578621 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 207208 | 2115594 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quarry LP | 1965207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 252105 | 2573992 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 122800 | 1253788 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| READYSTATE ASSET MANAGEMENT LP | 1900923 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24586 | 6301 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40000 | 412400 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Radcliffe Capital Management, L.P. | 1218275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 294690 | 3008785 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Linden Advisors LP | 1279396 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200000 | 2042000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2400 | 24504 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DLD Asset Management, LP | 1578299 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 613910 | 6268021 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Davidson Kempner Capital Management LP | 1595082 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 850000 | 8678500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Anson Funds Management LP | 1491072 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 457767 | 4673801 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Massar Capital Management, LP | 2037238 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 130000 | 1340300 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Jain Global LLC | 2024579 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 75000 | 765750 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Mint Tower Capital Management B.V. | 1666606 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1021 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| First Trust Capital Management L.P. | 1604488 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 312330 | 3188889 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Clear Street Group Inc. | 1881567 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 269756 | 2781184 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Context Capital Management, LLC | 1301396 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1021000 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 314 | 3237 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Virtu Financial LLC | 1533964 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 37259 | 380 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| W.R. Berkley Corporation | 11544 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1645570 | 16801270000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| GLAZER CAPITAL, LLC | 1076809 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 263158 | 2687 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20000 | 206200 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 750000 | 7657500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| T3 Companies, LLC | 2052441 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13009 | 3332 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 177408 | 1811336 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROBINSON CAPITAL MANAGEMENT, LLC | 1599795 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15200 | 155192 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Lineage Point Capital LP | 2093311 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100100 | 1022021 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Polar Asset Management Partners Inc. | 1326389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 264692 | 2702505 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Meteora Capital, LLC | 1905106 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 704353 | 7191444 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.