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BAKER BROS. ADVISORS LP

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1263508 NEW YORK, NY

Position in RYTM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$622,265,747
+$134,843,861 QoQ
Shares Held
5,604,483
0.0% QoQ
Ownership
8.14%
of shares outstanding
% of Portfolio
3.13%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RYTM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

BAKER BROS. ADVISORS LP holds $18,875,530,286 across 78 Biotechnology names. RYTM ranks #10 (3.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RYTM

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $622,265,747 5,604,483
2026-03-31 $487,421,886 5,604,483
2025-12-31 $599,903,860 5,604,483
2025-09-30 $565,996,738 5,604,483
2025-06-30 $354,147,280 5,604,483
2025-03-31 $296,869,464 5,604,483
2024-12-31 $340,596,259 6,084,249
2024-09-30 $335,210,394 6,398,366
2024-06-30 $262,716,866 6,398,365
2024-03-31 $277,241,155 6,398,365
2023-12-31 $294,132,839 6,398,365
2023-09-30 $153,651,350 6,702,349
2023-06-30 $107,156,422 6,498,267
2023-03-31 $115,929,083 6,498,267
2022-12-31 $185,046,184 6,354,608
2022-09-30 $148,536,199 6,062,702
2022-06-30 $17,119,007 4,125,062
2022-03-31 $47,520,714 4,125,062
2021-12-31 $38,555,125 3,863,239
2021-09-30 $50,453,901 3,863,239
2021-06-30 $75,642,219 3,863,239
2021-03-31 $74,016,898 3,479,873
2020-12-31 $68,821,174 2,314,873
2020-09-30 $53,549,928 2,471,155
2020-06-30 $60,211,226 2,700,055
2020-03-31 $41,218,804 2,708,200