Cayson AcquisitionCAPN
13F holders, Q4 2025 (December 31)27holders −3
1new positions
3sold out
1famous investor
$10.62avg. 13F price*
At the end of Q4 2025, 27 institutions reported holding Cayson Acquisition Corp. (CAPN) in their 13F filings, down 3 from Q3 2025. 1 opened new positions and 3 sold out. The largest holders were Berkley W R Corp. ($8.1M), Mizuho Securities USA LLC ($7.4M) and Wolverine Asset Management LLC ($6.0M). One famous investor held it David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Cayson Acquisition Corp.
- CUSIP
- G1993W109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $92K |
| Exits | 3 | $638K |
All 13F filers, Q3 2025 → Q4 2025: 25,304 shares bought and 173,720 shares sold, net −148,416 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 27 holders
| Berkley W R Corp. | 0.46% | No change | 763,302 | $8.1M |
| Mizuho Securities USA LLC | 0.12% | Add +0.0% | 704,675 | $7.4M |
| Wolverine Asset Management LLC | 0.35% | Reduce -0.5% | 565,585 | $6.0M |
| Rivernorth Capital Management, LLC | 0.23% | No change | 450,000 | $4.8M |
| AQR Arbitrage LLC | 0.10% | No change | 349,901 | $3.7M |
| Westchester Capital Management, LLC | 0.16% | No change | 325,000 | $3.5M |
| Boothbay Fund Management, LLC | 0.09% | No change | 306,703 | $3.3M |
| Karpus Management, Inc. | 0.09% | Reduce -0.5% | 284,189 | $3.0M |
| Polar Asset Management Partners Inc. | 0.08% | No change | 275,000 | $2.9M |
| Heights Capital Management, Inc. | 0.61% | No change | 150,000 | $1.6M |
| Whitebox Advisors LLC | 0.08% | No change | 125,000 | $1.3M |
| Goldman Sachs Group Inc. | 0.00% | No change | 114,486 | $1.2M |
| Clear Street Group Inc. | 0.01% | Add +7.6% | 107,793 | $1.1M |
| D. E. Shaw & Co. | 0.00% | No change | 100,000 | $1.1M |
| Magnetar Financial LLC | 0.01% | No change | 75,000 | $800K |
| First Trust Capital Management L.P. | 0.05% | No change | 75,000 | $798K |
| Two Sigma Investments, LP | 0.00% | Reduce -55.6% | 66,577 | $708K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 60,281 | $641K |
| Dakota Wealth Management | 0.01% | No change | 28,500 | $303K |
| Radcliffe Capital Management, L.P. | 0.04% | Reduce -0.1% | 26,875 | $286K |
| Warberg Asset Management LLC | 0.89% | Add +52.1% | 26,207 | $279K |
| Toronto Dominion Bank | 0.00% | Reduce -49.8% | 25,301 | $269K |
| Quarry LP | 0.03% | No change | 14,500 | $154K |
| Robinson Capital Management, LLC | 0.06% | No change | 12,250 | $131K |
| Crossingbridge Advisors, LLC | 0.05% | New | 8,643 | $92K |
| Longfellow Investment Management Co. LLC | 0.00% | No change | 470 | $5K |
| Morgan Stanley | 0.00% | Add +12.5% | 45 | $479 |
"% of holder's portfolio" is CAPN's weight in each manager's 13F, not the share of Cayson Acquisition Corp. the manager owns.