RYTM

RHYTHM PHARMACEUTICALS, INC.

Pharmaceutical Preparations · SIC 2834CIK 1649904Held by 8 tracked managersEDGAR filings ↗10-K/10-Q ↗

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8 managers · Q2 2026 13F

13F bookWeight

RA Capital Management

RA Capital ManagementPosition history →

6.4%

—

$740.2M

$11.51B13F book · 2026-06-30

Baker Bros. Advisors

Baker Bros. AdvisorsPosition history →

3.1%

—

$622.3M

$19.96B13F book · 2026-06-30

OrbiMed Advisors

OrbiMed AdvisorsPosition history →

0.68%

+2.8%

$35.9M

$5.25B13F book · 2026-06-30

Duquesne Family Office

Stanley DruckenmillerPosition history →

0.52%

NEW

$22.6M

$4.35B13F book · 2026-06-30

Adage Capital Management

Adage Capital ManagementPosition history →

0.06%

(45.3%)

$44.1M

$71.32B13F book · 2026-06-30

Capital Research Global Investors

Capital Research Global InvestorsPosition history →

0.02%

+37.4%

$170.1M

$716.87B13F book · 2026-06-30

WCM Investment Management

WCM Investment ManagementPosition history →

0.02%

(0.1%)

$8.9M

$55.16B13F book · 2026-06-30

Capital World Investors

Capital World InvestorsPosition history →

<0.01%

+91.4%

$24.6M

$846.43B13F book · 2026-06-30

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.