Jackson Acquisition Co II - JACS
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hudson Bay Capital Management LP | History | Added to | 1,488,300 | 15,508 | 0.05% | 0.05% | 1 | +150,000 | 11.21% | Q4 2025 | Feb 13, 2026 |
| HGC Investment Management Inc. | History | Reduced | 1,475,200 | 15,371 | 3.26% | 3.98% | 2 | -100,000 | -6.35% | Q4 2025 | Feb 17, 2026 |
| AQR Arbitrage LLC | History | No change | 1,216,792 | 12,678 | 0.27% | 0.32% | 3 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| GLAZER CAPITAL, LLC | History | Reduced | 1,205,757 | 12,564 | 0.33% | 0.43% | 4 | -23,708 | -1.93% | Q4 2025 | Feb 13, 2026 |
| Westchester Capital Management, LLC | History | No change | 1,186,200 | 12,360 | 0.52% | 0.56% | 5 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| LINDEN ADVISORS LP | History | No change | 1,150,000 | 11,983 | 0.07% | 0.08% | 6 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| D. E. Shaw & Co., Inc. | History | No change | 1,138,500 | 11,863 | 0.01% | 0.01% | 7 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Polar Asset Management Partners Inc. | History | New | 1,025,000 | 10,680 | 0.14% | — | 8 | +1,025,000 | New | Q4 2025 | Feb 17, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | Reduced | 983,614 | 10,249 | 0.08% | 0.08% | 9 | -3,873 | -0.39% | Q4 2025 | Feb 02, 2026 |
| METEORA CAPITAL, LLC | History | Reduced | 770,492 | 8,028 | 0.67% | 1.58% | 10 | -669,101 | -46.48% | Q4 2025 | Feb 17, 2026 |
| HEIGHTS CAPITAL MANAGEMENT, INC | History | No change | 700,000 | 7,294 | 2.62% | 2.07% | 11 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Radcliffe Capital Management, L.P. | History | Added to | 662,430 | 6,902 | 0.38% | 0.33% | 12 | +150,257 | 29.34% | Q4 2025 | Feb 17, 2026 |
| Mint Tower Capital Management B.V. | History | No change | 650,000 | 6,773 | 0.78% | 0.8% | 13 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Calamos Advisors LLC | History | No change | 500,000 | 6,487 | 0.02% | 0.02% | 14 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| TORONTO DOMINION BANK | History | Added to | 602,500 | 6,278 | 0.01% | 0.0% | 15 | +452,500 | 301.67% | Q4 2025 | Feb 17, 2026 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | History | No change | 600,000 | 6,252 | 0.09% | 0.08% | 16 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Magnetar Financial LLC | History | No change | 600,000 | 6,252 | 0.06% | 0.04% | 17 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| First Trust Capital Management L.P. | History | No change | 567,500 | 5,913 | 0.36% | 0.38% | 18 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | History | No change | 500,000 | 5,210 | 0.03% | 0.03% | 19 | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| PERISCOPE CAPITAL INC. | History | Added to | 479,098 | 4,992 | 0.57% | 0.74% | 20 | +29,098 | 6.47% | Q4 2025 | Feb 10, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | No change | 474,821 | 4,947 | 0.01% | 0.01% | 21 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| LMR Partners LLP | History | No change | 443,751 | 4,623 | 0.01% | 0.02% | 22 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Bulldog Investors, LLP | History | Reduced | 410,138 | 4,273 | 0.95% | 0.99% | 23 | -2,736 | -0.66% | Q4 2025 | Feb 13, 2026 |
| Wealthspring Capital LLC | History | No change | 400,333 | 4,171 | 0.98% | 0.99% | 24 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| Shaolin Capital Management LLC | History | Added to | 400,000 | 4,168 | 0.13% | 0.07% | 26 | +250,000 | 166.67% | Q4 2025 | Feb 17, 2026 |
| PICTON MAHONEY ASSET MANAGEMENT | History | No change | 400,000 | 4,168 | 0.03% | 0.04% | 25 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | History | Reduced | 399,513 | 4,162 | 0.2% | 0.24% | 27 | -231 | -0.06% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | No change | 360,208 | 3,753 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q4 2025 | Mar 25, 2026 |
| BERKLEY W R CORP | History | No change | 346,265 | 3,608 | 0.17% | 0.21% | 29 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| MANGROVE PARTNERS IM, LLC | History | No change | 280,470 | 2,922 | 0.24% | 0.22% | 30 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| GABELLI & Co INVESTMENT ADVISERS, INC. | History | No change | 220,100 | 2,293 | 0.34% | 0.37% | 31 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| WHITEBOX ADVISORS LLC | History | No change | 175,000 | 1,823 | 0.03% | 0.03% | 32 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| GABELLI FUNDS LLC | History | New | 154,900 | 1,614 | 0.01% | — | 33 | +154,900 | New | Q4 2025 | Feb 05, 2026 |
| Yakira Capital Management, Inc. | History | No change | 150,000 | 1,563 | 0.53% | 0.54% | 34 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Verition Fund Management LLC | History | Reduced | 139,824 | 1,456 | 0.01% | 0.01% | 35 | -10,103 | -6.74% | Q4 2025 | Feb 13, 2026 |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | History | No change | 100,000 | 1,042 | 1.44% | 0.17% | 36 | 0 | 0.0% | Q4 2025 | Mar 04, 2026 |
| MIZUHO SECURITIES USA LLC | History | Reduced | 84,103 | 874 | 0.01% | 0.02% | 37 | -31,843 | -27.46% | Q4 2025 | Feb 09, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | No change | 50,000 | 521 | 0.02% | 0.02% | 38 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| DELTEC ASSET MANAGEMENT LLC | History | No change | 40,000 | 416 | 0.07% | 0.07% | 39 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| Schonfeld Strategic Advisors LLC | History | No change | 29,982 | 312 | 0.0% | 0.0% | 40 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Clear Street Group Inc. | History | No change | 18,106 | 189 | 0.0% | 0.0% | 41 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| ABC ARBITRAGE SA | History | New | 15,000 | 156 | 0.01% | — | 42 | +15,000 | New | Q4 2025 | Feb 04, 2026 |
| BCK CAPITAL MANAGEMENT LP | History | Closed out | 0 | 0 | — | 1.14% | — | -103,311 | -100.0% | Q3 2025 | Nov 10, 2025 |
| DLD Asset Management, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -98,300 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CANTOR FITZGERALD, L. P. | History | Closed out | 0 | 0 | — | 0.01% | — | -87,630 | -100.0% | Q3 2025 | Feb 17, 2026 |
| Crossingbridge Advisors, LLC | History | New | 17 | 0 | — | — | — | +17 | New | Q4 2025 | Feb 13, 2026 |