StockData
CAPNNasdaqBlank ChecksFiscal year ends December 31Also trades as CAPNR, CAPNU

Cayson Acquisition Corp

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$11.28−0.02 (-0.18%)

Close on Oct 19, 2026

Market cap
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P/E (TTM)
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Dividend yield
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Ownership

Who owns Cayson Acquisition's shares

Held by institutions
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Shares held, 13F filers
Institutional holders
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Net institutional buying
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Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
W.R. Berkley Corporation997,2829.40%13G (passive) amendmentMar 31, 2026
Yawei Cao882,28010.90%13D (active)Sep 19, 2024
Cayson Holding LP862,50010.70%13D (active)Sep 19, 2024
Lawrence M. Feis769,4729.83%13G (passive) amendmentDec 31, 2025
Berkley Insurance Company763,30210.40%13G (passive)Mar 31, 2025
Mizuho Financial Group, Inc.704,5009.00%13G (passive) amendmentJun 30, 2025
Wolverine Asset Management LLC515,1077.03%13G (passive) amendmentMar 31, 2025
Wolverine Trading Partners, Inc.403,7155.16%13G (passive)Dec 31, 2024
Wolverine Holdings, LLC275,7005.21%13G (passive) amendmentMar 31, 2026
Polar Asset Management Partners Inc.275,0005.20%13G (passive)Mar 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares ownedLatest filing
Sanxin YanDirector–Oct 22, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Yawei Cao
Chief Executive Officer, Director, 10% owner
Oct 15, 2024Returned to company−112,500––769,780
Dahe Zhang
Chief Financial Officer, 10% owner
Oct 15, 2024Returned to company−112,500––750,000

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.