Cayson AcquisitionCAPN

13F holders, Q3 2025 (September 30)
30holders +3
4new positions
1sold out
1famous investor
$10.44avg. 13F price*

At the end of Q3 2025, 30 institutions reported holding Cayson Acquisition Corp. (CAPN) in their 13F filings, up 3 from Q2 2025. 4 opened new positions and 1 sold out. The largest holders were Berkley W R Corp. ($8.0M), Mizuho Securities USA LLC ($7.3M) and Wolverine Asset Management LLC ($5.9M). 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

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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions4$340K
Exits1$1.2M

All 13F filers, Q2 2025 → Q3 2025: 39,092 shares bought and 247,441 shares sold, net −208,349 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 30 holders

Berkley W R Corp. 0.53% No change 763,302 $8.0M
Mizuho Securities USA LLC 0.15% Add +0.0% 704,601 $7.3M
Wolverine Asset Management LLC 0.42% Reduce -0.5% 568,452 $5.9M
Rivernorth Capital Management, LLC 0.27% No change 450,000 $4.7M
AQR Arbitrage LLC 0.13% Reduce -2.2% 349,901 $3.7M
Westchester Capital Management, LLC 0.18% No change 325,000 $3.4M
Boothbay Fund Management, LLC 0.09% No change 306,703 $3.2M
Atw Spac Management LLC 4.21% No change 306,703 $3.2M
Karpus Management, Inc. 0.09% Reduce -2.4% 285,541 $3.0M
Polar Asset Management Partners Inc. 0.08% No change 275,000 $2.9M
Heights Capital Management, Inc. 0.52% No change 150,000 $1.6M
Two Sigma Investments, LP 0.00% No change 150,000 $1.6M
Whitebox Advisors LLC 0.09% No change 125,000 $1.3M
Goldman Sachs Group Inc. 0.00% No change 114,486 $1.2M
Clear Street Group Inc. 0.01% — 100,192 $1.0M
D. E. Shaw & Co. 0.00% No change 100,000 $1.0M
First Trust Capital Management L.P. 0.05% No change 75,000 $785K
Magnetar Financial LLC 0.01% No change 75,000 $785K
PNC Financial Services Group, Inc. 0.00% No change 60,281 $631K
Wealthspring Capital LLC 0.15% Reduce -65.5% 59,550 $623K
Toronto Dominion Bank 0.00% Add +14.9% 50,346 $527K
Dakota Wealth Management 0.01% No change 28,500 $298K
Radcliffe Capital Management, L.P. 0.06% No change 26,904 $282K
Warberg Asset Management LLC 0.65% New 17,226 $180K
Quarry LP 0.04% New 14,500 $152K
Robinson Capital Management, LLC 0.09% No change 12,250 $128K
UBS Group AG 0.00% No change 1,204 $13K
Longfellow Investment Management Co. LLC 0.00% New 470 $5K
Osaic Holdings, Inc. 0.00% New 250 $3K
Morgan Stanley 0.00% Add +14.3% 40 $418

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