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CAPN CAYSON ACQUISITION CORP

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SHS (common), issuer CIK 2024203

17 managers (17 13F filers) reported a position in CAPN shares at 2026-06-30, 2,894,549 shares in all. 1 filer opened a position and 0 filers sold out during the quarter.

Managers
17
13F filers
17
New
1
Added
2
Reduced
4
Sold out
0
Shares held by filers
2,894,549

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BERKLEY W R CORP497,282$5.51M0.27%013F-HRTimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC475,500$5.18M0.08%-40013F-HR/ATimelineGroup
RIVERNORTH CAPITAL MANAGEMENT, LLC450,000$5M0.24%013F-HRTimeline
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC276,715$3.05M0.04%+1,01513F-HRTimelineGroup
Polar Asset Management Partners Inc.275,100$3.04M0.06%+10013F-HRTimeline
Shaolin Capital Management LLC223,900$2.47M0.14%013F-HRTimeline
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC184,373$2.04M0.03%013F-HRTimelineGroup
HEIGHTS CAPITAL MANAGEMENT, INCin group HEIGHTS CAPITAL MANAGEMENT, I…149,531$1.65M0.38%-46913F-HRTimelineGroup
Clear Street Group Inc.in group Clear Street Group Inc.141,837$1.56M<0.01%013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC63,394$700K<0.01%013F-HRTimelineGroup
RLH Capital LLC56,218$623K0.3%-50,00013F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK49,900$550K<0.01%new13F-HRTimelineGroup
Harraden Circle Investments, LLC26,661$294K0.04%013F-HRTimeline
Quarry LP14,500$161K0.03%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS9,203$102K<0.01%013F-HRTimelineGroup
UBS Group AGin group UBS Group AG370$4.08K<0.01%013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY65$718<0.01%-313F-HRTimelineGroup

Events

  • WOLVERINE ASSET MANAGEMENT LLC and 3 other reporting persons reported 119,188 CAPN shares, 3.09% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-06. 0001140361-26-038764

    Accepted , ingested