Cayson AcquisitionCAPN

13F holders, Q1 2026 (March 31)
16holders −11
4new positions
16sold out
$10.97avg. 13F price*

At the end of Q1 2026, 16 institutions reported holding Cayson Acquisition Corp. (CAPN) in their 13F filings, down 11 from Q4 2025. 4 opened new positions and 16 sold out. The largest holders were Berkley W R Corp. ($5.5M), Mizuho Securities USA LLC ($5.1M) and Rivernorth Capital Management, LLC ($5.0M).

Company
Cayson Acquisition Corp.
CUSIP
G1993W109
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q4 2024: 29Q4 2024Q1 2025: 28Q1 2025Q2 2025: 27Q2 2025Q3 2025: 30Q3 2025Q4 2025: 27Q4 2025Q1 2026: 16Q1 2026Q2 2026: 17Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions4$2.9M
Exits16$16.5M

All 13F filers, Q4 2025 → Q1 2026: 294,201 shares bought and 2,547,296 shares sold, net −2,253,095 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 16 holders

Berkley W R Corp. 0.29% Reduce -34.9% 497,282 $5.5M
Mizuho Securities USA LLC 0.12% Reduce -32.5% 475,900 $5.1M
Rivernorth Capital Management, LLC 0.25% No change 450,000 $5.0M
Wolverine Asset Management LLC 0.16% Reduce -51.3% 275,700 $3.0M
Polar Asset Management Partners Inc. 0.10% No change 275,000 $3.0M
Shaolin Capital Management LLC 0.27% New 223,900 $2.5M
AQR Arbitrage LLC 0.04% Reduce -47.3% 184,373 $2.0M
Heights Capital Management, Inc. 0.47% No change 150,000 $1.6M
Clear Street Group Inc. 0.01% Add +31.6% 141,837 $1.6M
RLH Capital LLC 0.60% — 106,218 $1.2M
Goldman Sachs Group Inc. 0.00% Reduce -44.6% 63,394 $697K
Harraden Circle Investments, LLC 0.06% New 26,661 $293K
Quarry LP 0.03% No change 14,500 $160K
BNP Paribas Financial Markets 0.00% New 9,203 $101K
UBS Group AG 0.00% New 370 $4K
Morgan Stanley 0.00% Add +51.1% 68 $748

"% of holder's portfolio" is CAPN's weight in each manager's 13F, not the share of Cayson Acquisition Corp. the manager owns.