Adage Capital Management, L.P. - 31 Mar 2025 SCHEDULE 13G Report for Centessa Pharmaceuticals plc Ordinary shares, nominal value 0.002 euro per share (CNTA)

Filing Manager
Adage Capital Management, L.P.
Reporting Manager
Adage Capital Management, L.P.
Security
Centessa Pharmaceuticals plc Ordinary shares, nominal value 0.002 euro per share
Symbol
CNTA
Shares outstanding
133,218,391 shares
Disclosed Ownership
6,954,000 shares
Ownership
5.2%
Form type
SCHEDULE 13G
Filing time
12 May 2025, 09:03:13 UTC
Date of event
31 Mar 2025
Next filing
12 Aug 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Adage Capital Management, L.P. disclosed 5.2% ownership in Centessa Pharmaceuticals plc Ordinary shares, nominal value 0.002 euro per share (CNTA) on 31 Mar 2025."

Quick Takeaways

  • Adage Capital Management, L.P. filed SCHEDULE 13G for Centessa Pharmaceuticals plc Ordinary shares, nominal value 0.002 euro per share (CNTA).
  • Disclosed ownership: 5.2%.
  • Date of event: 31 Mar 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 12 May 2025, 09:03.

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.

Official SEC Source

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. 5.2% 6,954,000 0 6,954,000 /s/ Robert Atchinson By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Robert Atchinson 5.2% 6,954,000 0 6,954,000 Robert Atchinson Robert Atchinson, individually
Phillip Gross 5.2% 6,954,000 0 6,954,000 /s/ Phillip Gross Phillip Gross, individually

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