13F

Stock

Cayson Acquisition Corp

Ticker not mapped · held by 16 managers

Reported value

$31.7M

Holders

16

+4 new · −16 exited

Holders’ est. mark

$886.4K

Price effect on 11 books still in the name

Largest holder

$5.47M

BERKLEY W R CORP

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BERKLEY W R CORP497.3K$5.47M$179KCut−$2.65M
MIZUHO SECURITIES USA LLC475.9K$5.14M$166.6KCut−$2.22M
RIVERNORTH CAPITAL MANAGEMENT, LLC450K$4.95M$162KAdded$162K
WOLVERINE ASSET MANAGEMENT LLC275.7K$3.03M$99.3KCut−$2.99M
Polar Asset Management Partners Inc.275K$3.02M$99KAdded$99K
Shaolin Capital Management LLC223.9K$2.46MNew
AQR Arbitrage LLC184.4K$2.03M$62.7KCut−$1.7M
HEIGHTS CAPITAL MANAGEMENT, INC150K$1.65M$51KAdded$51K
Clear Street Group Inc.141.8K$1.56M$38.8KAdded$413.3K
RLH Capital LLC106.2K$1.17MHeld
GOLDMAN SACHS GROUP INC63.4K$697.3K$22.8KCut−$520.8K
Harraden Circle Investments, LLC26.7K$293.3KNew
Quarry LP14.5K$159.5K$5.22KAdded$5.22K
BNP PARIBAS FINANCIAL MARKETS9.2K$101.2KNew
UBS Group AG370$4.07KNew
MORGAN STANLEY68$748$16Added$269

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.