Adage Capital Management, L.P. - 31 Oct 2025 SCHEDULE 13G/A Report for Praxis Precision Medicines, Inc. Common Stock, par value $0.0001 per share (PRAX)

Filing Manager
Adage Capital Management, L.P.
Reporting Manager
Adage Capital Management, L.P.
Security
Praxis Precision Medicines, Inc. Common Stock, par value $0.0001 per share
Symbol
PRAX
Shares outstanding
24,672,495 shares
Disclosed Ownership
1,305,175 shares
Ownership
5.3%
Form type
SCHEDULE 13G/A
Filing time
03 Nov 2025, 16:10:16 UTC
Date of event
31 Oct 2025
Previous filing
02 Sep 2025
Next filing
12 Feb 2026
SEC
View on sec.gov

Quoteable Key Fact

"Adage Capital Management, L.P. disclosed 5.3% ownership in Praxis Precision Medicines, Inc. Common Stock, par value $0.0001 per share (PRAX) on 31 Oct 2025."

Quick Takeaways

  • Adage Capital Management, L.P. filed SCHEDULE 13G/A for Praxis Precision Medicines, Inc. Common Stock, par value $0.0001 per share (PRAX).
  • Disclosed ownership: 5.3%.
  • Date of event: 31 Oct 2025.

What Changed

  • Previous schedule filing date: 02 Sep 2025.
  • Current filing was accepted on 03 Nov 2025, 16:10.

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. 5.3% 1,305,175 0 1,305,175 /s/ Robert Atchinson By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Robert Atchinson 5.3% 1,305,175 0 1,305,175 /s/ Robert Atchinson Robert Atchinson, individually
Phillip Gross 5.3% 1,305,175 0 1,305,175 /s/ Phillip Gross Phillip Gross, individually