Adage Capital Management, L.P. - 31 Dec 2025 SCHEDULE 13G Report for Churchill Capital Corp XI Class A Ordinary Shares, par value $0.0001 per share (CCXIU)

Filing Manager
Adage Capital Management, L.P.
Reporting Manager
Adage Capital Management, L.P.
Security
Churchill Capital Corp XI Class A Ordinary Shares, par value $0.0001 per share
Symbol
CCXIU
Shares outstanding
41,925,466 shares
Disclosed Ownership
2,700,000 shares
Ownership
6.4%
Form type
SCHEDULE 13G
Filing time
12 Feb 2026, 09:10:02 UTC
Date of event
31 Dec 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Adage Capital Management, L.P. disclosed 6.4% ownership in Churchill Capital Corp XI Class A Ordinary Shares, par value $0.0001 per share (CCXIU) on 31 Dec 2025."

Quick Takeaways

  • Adage Capital Management, L.P. filed SCHEDULE 13G for Churchill Capital Corp XI Class A Ordinary Shares, par value $0.0001 per share (CCXIU).
  • Disclosed ownership: 6.4%.
  • Date of event: 31 Dec 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 12 Feb 2026, 09:10.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Adage Capital Management, L.P. 6.4% 2,700,000 0 2,700,000 /s/ Robert Atchinson /s/ Robert Atchinson By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Robert Atchinson 6.4% 2,700,000 0 2,700,000 /s/ Robert Atchinson Robert Atchinson, individually
Phillip Gross 6.4% 2,700,000 0 2,700,000 /s/ Phillip Gross Phillip Gross, individually

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