BAKER BROS. ADVISORS LP - 31 Mar 2025 SCHEDULE 13G/A Report for Rhythm Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (RYTM)

Filing Manager
BAKER BROS. ADVISORS LP
Reporting Manager
Baker Bros. Advisors LP
Security
Rhythm Pharmaceuticals, Inc. Common Stock, par value $0.001 per share
Symbol
RYTM
Shares outstanding
62,971,719 shares
Disclosed Ownership
5,604,483 shares
Ownership
8.9%
Form type
SCHEDULE 13G/A
Filing time
15 May 2025, 16:19:29 UTC
Date of event
31 Mar 2025
SEC
View on sec.gov

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Quoteable Key Fact

"BAKER BROS. ADVISORS LP disclosed 8.9% ownership in Rhythm Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (RYTM) on 31 Mar 2025."

Quick Takeaways

  • BAKER BROS. ADVISORS LP filed SCHEDULE 13G/A for Rhythm Pharmaceuticals, Inc. Common Stock, par value $0.001 per share (RYTM).
  • Disclosed ownership: 8.9%.
  • Date of event: 31 Mar 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 15 May 2025, 16:19.

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 (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Baker Bros. Advisors LP 8.9% 5,604,483 5,604,483 0 /s/ Scott L. Lessing By: Baker Bros. Advisors (GP) LLC, its general partner Scott L. Lessing/ President
Baker Bros. Advisors (GP) LLC 8.9% 5,604,483 5,604,483 0 /s/ Scott L. Lessing Scott L. Lessing/ President
Julian C. Baker 8.9% 5,604,483 5,604,483 0 /s/ Julian C. Baker Julian C. Baker
Felix J. Baker 8.9% 5,604,483 5,604,483 0 /s/ Felix J. Baker Felix J. Baker

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