Cayson Acquisition Corp - CAPN
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 | 763,302 | 8,121 | 0.38% | 0.46% | 1 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| MIZUHO SECURITIES USA LLC | History | Added to | 704,675 | 7,363 | 0.12% | 0.15% | 2 | +74 | 0.01% | Q4 2025 | Feb 09, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | Reduced | 565,585 | 6,017 | 0.05% | 0.04% | 3 | -2,867 | -0.5% | Q4 2025 | Feb 02, 2026 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | History | No change | 450,000 | 4,788 | 0.23% | 0.27% | 4 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| AQR Arbitrage LLC | History | No change | 349,901 | 3,729 | 0.08% | 0.09% | 5 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Westchester Capital Management, LLC | History | No change | 325,000 | 3,464 | 0.15% | 0.16% | 6 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | No change | 306,703 | 3,263 | 0.05% | 0.05% | 7 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Karpus Management, Inc. | History | Reduced | 284,189 | 3,023 | 0.09% | 0.09% | 8 | -1,352 | -0.47% | Q4 2025 | Feb 17, 2026 |
| Polar Asset Management Partners Inc. | History | New | 275,000 | 2,926 | 0.04% | — | 9 | +275,000 | New | Q4 2025 | Feb 17, 2026 |
| HEIGHTS CAPITAL MANAGEMENT, INC | History | No change | 150,000 | 1,599 | 0.57% | 0.45% | 10 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| WHITEBOX ADVISORS LLC | History | No change | 125,000 | 1,330 | 0.02% | 0.02% | 11 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Clear Street Group Inc. | History | Added to | 116,678 | 1,241 | 0.0% | 0.0% | 12 | +7,601 | 6.97% | Q4 2025 | Feb 13, 2026 |
| GOLDMAN SACHS GROUP INC | History | No change | 114,486 | 1,218 | 0.0% | 0.0% | 13 | 0 | 0.0% | Q4 2025 | Mar 25, 2026 |
| D. E. Shaw & Co., Inc. | History | No change | 100,000 | 1,066 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Magnetar Financial LLC | History | No change | 75,000 | 799 | 0.01% | 0.0% | 15 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| First Trust Capital Management L.P. | History | No change | 75,000 | 798 | 0.05% | 0.05% | 16 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 66,577 | 708 | 0.0% | 0.0% | 17 | -83,423 | -55.62% | Q4 2025 | Feb 17, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 60,281 | 641 | 0.0% | 0.0% | 18 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| Dakota Wealth Management | History | No change | 28,500 | 303 | 0.01% | 0.01% | 19 | 0 | 0.0% | Q4 2025 | Jan 13, 2026 |
| Radcliffe Capital Management, L.P. | History | Reduced | 26,875 | 285 | 0.02% | 0.02% | 20 | -29 | -0.11% | Q4 2025 | Feb 17, 2026 |
| Warberg Asset Management LLC | History | Added to | 26,207 | 278 | 0.03% | 0.03% | 21 | +8,981 | 52.14% | Q4 2025 | Feb 13, 2026 |
| TORONTO DOMINION BANK | History | Reduced | 25,301 | 269 | 0.0% | 0.0% | 22 | -25,045 | -49.75% | Q4 2025 | Feb 17, 2026 |
| Quarry LP | History | No change | 14,500 | 154 | 0.02% | 0.03% | 23 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| ROBINSON CAPITAL MANAGEMENT, LLC | History | No change | 12,250 | 130 | 0.05% | 0.07% | 24 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Crossingbridge Advisors, LLC | History | New | 8,643 | 92 | 0.03% | — | 25 | +8,643 | New | Q4 2025 | Feb 13, 2026 |
| UBS Group AG | History | Reduced | 7,540 | 79 | 0.0% | 0.0% | 26 | -1,207 | -13.8% | Q4 2025 | Jan 29, 2026 |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | History | No change | 470 | 5 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| Wealthspring Capital LLC | History | Closed out | 0 | 0 | — | 0.15% | — | -59,550 | -100.0% | Q3 2025 | Oct 15, 2025 |
| OSAIC HOLDINGS, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -250 | -100.0% | Q3 2025 | Nov 14, 2025 |
| MORGAN STANLEY | History | Added to | 45 | 0 | — | — | — | +5 | 12.5% | Q4 2025 | Feb 13, 2026 |