JACS · Company research
Jackson Acquisition Company II (JACS): 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.
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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 |
|---|---|---|---|---|---|---|---|---|---|
| O'Connor Alternative Investments LLC | 2081629 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1064000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 919185 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 867662 | 9240600 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MIZUHO SECURITIES USA LLC | 812291 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 714774 | 7490832 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Shaolin Capital Management LLC | 1766806 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 133696 | 1422525 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TORONTO DOMINION BANK | 947263 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200000 | 28000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Yakira Capital Management, Inc. | 1584639 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 147541 | 1569836 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DELTEC ASSET MANAGEMENT LLC | 1269950 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40000 | 425600 | — | — | — | Jul 21, 2026 | SEC_13F_DATASET |
| READYSTATE ASSET MANAGEMENT LP | 1900923 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50000 | 532000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MMCAP International Inc. SPC | 1304857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500000 | 70100 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1535845 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 650000 | 91130 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| WOLVERINE ASSET MANAGEMENT LLC | 1279891 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1048131 | 11152114 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Periscope Capital Inc. | 1695320 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 375000 | 3990000 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Verition Fund Management LLC | 1454027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 375946 | 4000065 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LMR Partners LLP | 1578621 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 443751 | 4721511 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Schonfeld Strategic Advisors LLC | 1665241 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33259 | 353875 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 360208 | 3832613 | — | — | — | 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) | 600000 | 6384000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MANGROVE PARTNERS IM, LLC | 1535392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 280470 | 2984201 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BERKLEY W R CORP | 11544 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 927836 | 9872175 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PICTON MAHONEY ASSET MANAGEMENT | 1539041 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 400000 | 4256001 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DLD Asset Management, LP | 1578299 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 82200 | 11524 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SONA ASSET MANAGEMENT (US) LLC | 1856405 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200274 | 2130915 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 1447578 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 359329 | 3848414 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Harraden Circle Investments, LLC | 1910592 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3118861 | 437264 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| StoneX Group Inc. | 913760 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15017 | 159781 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| AQR Arbitrage LLC | 1167456 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1167626 | 12423541 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 1083190 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300000 | 3192000 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Meteora Capital, LLC | 1905106 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 643688 | 109427 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Hudson Bay Capital Management LP | 1393825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1520505 | 16178173 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12640 | 134490 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Calamos Advisors LLC | 1316507 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500000 | 5567500 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| Radcliffe Capital Management, L.P. | 1218275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 675001 | 7182011 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Magnetar Financial LLC | 1352851 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 600000 | 6384000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50229 | 534437 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 474821 | 5052095 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Westchester Capital Management, LLC | 1512805 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1117827 | 11893679 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HEIGHTS CAPITAL MANAGEMENT, INC | 1081698 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 700000 | 7448000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HGC Investment Management Inc. | 1711200 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1425700 | 199598 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Linden Advisors LP | 1279396 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1300000 | 214630 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Goldman Sachs Group Inc. | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 360208 | 3832613000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| K2 PRINCIPAL FUND, L.P. | 1461790 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 136000 | 19040 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| W.R. Berkley Corporation | 11544 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 927836 | 9872175000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| StoneX Group Inc. Common Stock | 913760 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15017 | 159781000 | — | — | — | Aug 12, 2026 | SEC_13F_HR |
| First Trust Capital Management L.P. | 1604488 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 562500 | 5985000 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ABC ARBITRAGE SA | 2049221 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15000 | 159600 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Wealthspring Capital LLC | 1844495 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 397783 | 4232411 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2750 | 29260 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| WHITEBOX ADVISORS LLC | 1257391 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 175000 | 1862000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GRITSTONE ASSET MANAGEMENT LLC | 1964236 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39300 | 5510 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Mint Tower Capital Management B.V. | 1666606 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 650000 | 6916 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| Sculptor Capital LP | 1054587 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 161700 | 25080 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GLAZER CAPITAL, LLC | 1076809 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1196182 | 12727 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| Clear Street Group Inc. | 1881567 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11419 | 122526 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1138500 | 12113640 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50000 | 532500 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| GABELLI FUNDS LLC | 1081407 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 278880 | 39099 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 932724 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 408800 | 57314 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Polar Asset Management Partners Inc. | 1326389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1025000 | 10906000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Bulldog Investors, LLP | 1504304 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 192029 | 2043189 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Goldman Sachs Group Inc. | 886982 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 360208 | 3814603000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| StoneX Group Inc. Common Stock | 913760 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 45429 | 10903000 | — | — | — | Feb 12, 2026 | SEC_13F_HR |
| StoneX Group Inc. | 913760 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 45429 | 10903000 | — | — | — | Feb 12, 2026 | SEC_13F_HR |
| StoneX Group Inc. Common Stock | 913760 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 43436 | 10859000 | — | — | — | Nov 14, 2025 | SEC_13F_HR |
| Goldman Sachs Group Inc. | 886982 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 360208 | 3738959000 | — | — | — | Nov 14, 2025 | SEC_13F_HR |
| StoneX Group Inc. | 913760 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 43436 | 10859000 | — | — | — | Nov 14, 2025 | SEC_13F_HR |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.