CCXI: Churchill Capital Corp. XI insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Activist and 5% holders

FiledWhatHolderStakeChangeFiling
2026-08-14New 13G stakeEmpyrean Capital Partners, LP7.52%SEC
2026-08-14Fell below 5%MMCAP International Inc. SPC2.30%SEC
2026-08-14Fell below 5%Fort Baker Capital Management LP4.80%SEC
2026-08-13Fell below 5%MAGNETAR FINANCIAL LLC4.58%SEC
2026-08-12Fell below 5%Adage Capital Management, L.P.1.87%SEC
2026-07-31Fell below 5%Millennium Management LLC3.60%SEC

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