Security Snapshot

Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share (CAPN) Institutional Ownership

CUSIP: G1993W109

13F Institutional Holders and Ownership History from Q4 2024 to Q4 2025

Latest Period

Q4 2025

Institutions Reporting

27

Shares (Excl. Options)

5,041,283

Price

$10.64

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Type / Class
Equity / Ordinary Shares, par value $0.0001 per share
Symbol
CAPN on Nasdaq
Shares outstanding
5,291,747
Price per share
$10.92
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
5,041,283
Total reported value
$53,525,779
% of total 13F portfolios
0%
Share change
-148,416
Value change
-$1,567,984
Number of holders
27
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • CAPN - Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G1993W109.
  • 27 institutions reported positions in Q4 2025.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 31 to 27 between Q3 2025 and Q4 2025.
  • Reported value moved from $58,971,856 to $53,525,779.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 27 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP G1993W109?
CUSIP G1993W109 identifies CAPN - Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share (CAPN) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Feis Equities LLC 9.8% +93% $8,187,182 +$3,867,629 769,472 +90% Feis Equities LLC 31 Dec 2025
BERKLEY W R CORP 10% $7,785,680 763,302 W. R. Berkley Corporation 31 Mar 2025
MIZUHO FINANCIAL GROUP INC 9% -6% $7,312,710 +$5,190 704,500 +0.07% Mizuho Financial Group, Inc. 30 Jun 2025
AQR CAPITAL MANAGEMENT LLC 4.6% $3,650,590 357,901 AQR Capital Management, LLC 31 Dec 2024
WOLVERINE ASSET MANAGEMENT LLC 5.2% -26% $3,010,644 -$2,614,324 275,700 -46% Wolverine Asset Management, LLC 31 Mar 2026

As of 31 Dec 2025, 27 institutional investors reported holding 5,041,283 shares of Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share (CAPN). This represents 95% of the company’s total 5,291,747 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share (CAPN) together control 95% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BERKLEY W R CORP 14% 763,302 0% 0.45% $8,121,533
MIZUHO SECURITIES USA LLC 13% 704,675 +0.01% 0.12% $7,363,854
WOLVERINE ASSET MANAGEMENT LLC 11% 565,585 -0.5% 0.09% $6,017,824
RIVERNORTH CAPITAL MANAGEMENT, LLC 8.5% 450,000 0% 0.23% $4,788,000
AQR Arbitrage LLC 6.6% 349,901 0% 0.08% $3,729,945
Westchester Capital Management, LLC 6.1% 325,000 0% 0.16% $3,464,500
BOOTHBAY FUND MANAGEMENT, LLC 5.8% 306,703 0% 0.09% $3,263,320
Karpus Management, Inc. 5.4% 284,189 -0.47% 0.09% $3,023,771
Polar Asset Management Partners Inc. 5.2% 275,000 0% 0.06% $2,926,000
HEIGHTS CAPITAL MANAGEMENT, INC 2.8% 150,000 0% 0.61% $1,599,000
WHITEBOX ADVISORS LLC 2.4% 125,000 0% 0.02% $1,330,000
GOLDMAN SACHS GROUP INC 2.2% 114,486 0% 0% $1,218,131
Clear Street Group Inc. 2% 107,793 +7.6% 0.01% $1,146,918
D. E. Shaw & Co., Inc. 1.9% 100,000 0% 0% $1,066,000
Magnetar Financial LLC 1.4% 75,000 0% 0.01% $799,500
First Trust Capital Management L.P. 1.4% 75,000 0% 0.05% $798,000
TWO SIGMA INVESTMENTS, LP 1.3% 66,577 -56% 0% $708,379
PNC Financial Services Group, Inc. 1.1% 60,281 0% 0% $641,390
Dakota Wealth Management 0.54% 28,500 0% 0.01% $303,240
Radcliffe Capital Management, L.P. 0.51% 26,875 -0.11% 0.02% $285,950
Warberg Asset Management LLC 0.5% 26,207 +52% 0.08% $278,842
TORONTO DOMINION BANK 0.48% 25,301 -50% 0% $269,203
Quarry LP 0.27% 14,500 0% 0.04% $154,280
ROBINSON CAPITAL MANAGEMENT, LLC 0.23% 12,250 0% 0.05% $130,585
Crossingbridge Advisors, LLC 0.16% 8,643 0.03% $92,134

Institutional Holders of Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share (CAPN) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 5,041,283 $53,525,779 -$1,567,984 $10.64 27
2025 Q3 5,646,402 $58,971,856 -$2,171,735 $10.46 31
2025 Q2 5,616,714 $57,833,125 +$3,193,195 $10.32 27
2025 Q1 5,434,564 $55,362,151 +$2,670,388 $10.20 28
2024 Q4 5,194,671 $52,252,754 +$52,252,754 $10.05 29