Cayson Acquisition Corp
CAPN- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002024203
No open-market purchases or sales by Cayson Acquisition Corp insiders were filed in the last 90 days; 17 institutions reported holding it in 13F filings for Q2 2026, worth $31.9M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Cayson Acquisition Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 27
- −2 vs. Q3 2025
- Shares held
- 5.04M
- −148.4K (−2.9%) vs. Q3 2025
- Total value
- $53.5M
- −$665.9K (−1.2%) vs. Q3 2025
- New holders
- 1
- 4 more added
- Sold out
- 3
- 5 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CAPN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 17 | $31.9M |
| Q1 2026 | 16 | $31.7M |
| Q4 2025 | 27 | $53.5M |
| Q3 2025 | 30 | $57.4M |
| Q2 2025 | 27 | $57.8M |
| Q1 2025 | 28 | $55.4M |
| Q4 2024 | 29 | $52.3M |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Cayson Acquisition Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Berkley W R Corp | 763,302 | $8.12M | 0.45% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 704,675 | $7.36M | 0.12% | +740.0% | Added |
| Wolverine Asset Management LLC | 565,585 | $6.02M | 0.09% | −2,867−0.5% | Reduced |
| Rivernorth Capital Management, LLC | 450,000 | $4.79M | 0.23% | 00.0% | Unchanged |
| CNH Partners LLC | 349,901 | $3.73M | 0.08% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 325,000 | $3.46M | 0.16% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 306,703 | $3.26M | 0.09% | 00.0% | Unchanged |
| Karpus Management, Inc. | 284,189 | $3.02M | 0.09% | −1,352−0.5% | Reduced |
| Polar Asset Management Partners Inc. | 275,000 | $2.93M | 0.06% | 00.0% | Unchanged |
| Heights Capital Management, Inc | 150,000 | $1.60M | 0.61% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 125,000 | $1.33M | 0.02% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 114,486 | $1.22M | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 107,793 | $1.15M | 0.01% | +7,601+7.6% | Added |
| D. E. Shaw & Co., Inc. | 100,000 | $1.07M | 0.00% | 00.0% | Unchanged |
| Magnetar Financial LLC | 75,000 | $799.5K | 0.01% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 75,000 | $798.0K | 0.05% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 66,577 | $708.4K | 0.00% | −83,423−55.6% | Reduced |
| The PNC Financial Services Group, Inc. | 60,281 | $641.4K | 0.00% | 00.0% | Unchanged |
| Dakota Wealth Management | 28,500 | $303.2K | 0.01% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 26,875 | $285.9K | 0.02% | −29−0.1% | Reduced |
| Warberg Asset Management LLC | 26,207 | $278.8K | 0.08% | +8,981+52.1% | Added |
| Toronto Dominion Bank | 25,301 | $269.2K | 0.00% | −25,045−49.7% | Reduced |
| Quarry LP | 14,500 | $154.3K | 0.03% | 00.0% | Unchanged |
| Robinson Capital Management, LLC | 12,250 | $130.6K | 0.05% | 00.0% | Unchanged |
| Crossingbridge Advisors, LLC | 8,643 | $92.1K | 0.03% | +8,643 | New |
| Longfellow Investment Management Co LLC | 470 | $5.00K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 45 | $479 | 0.00% | +5+12.5% | Added |
| Wealthspring Capital LLC | 0 | $0 | 0.00% | −59,550−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −1,204−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Atw Spac Management LLC | – | – | – | – | Not filed |