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PERCEPTIVE ADVISORS LLC

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1224962 NEW YORK, NY

Position in RYTM

as of Mar 31, 2026 · filed May 29, 2026
Position Value
$206,448,951
-$66,116,741 QoQ
Shares Held
2,373,795
-6.8% QoQ
Ownership
3.46%
of shares outstanding
% of Portfolio
4.10%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
12 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in RYTM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

PERCEPTIVE ADVISORS LLC holds $4,570,707,559 across 67 Biotechnology names. RYTM ranks #6 (4.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 RYTM
Rhythm Pharmaceuticals, Inc.
This page
2,373,795 $206,448,951

All Filings in RYTM

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13 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $206,448,951 2,373,795
2025-12-31 $272,565,692 2,546,391
2025-09-30 $42,079,099,340 416,666,000
2025-09-30 $246,311,479 2,438,969
2025-06-30 $152,812,313 2,418,299
2025-03-31 $134,991,131 2,548,445
2024-12-31 $206,032,878 3,680,473
2024-09-30 $186,519,611 3,560,214
2024-06-30 $141,516,533 3,446,579
2024-03-31 $141,627,528 3,268,579
2023-12-31 $99,024,436 2,154,110
2023-09-30 $8,730,481 380,828
2020-03-31 $2,600,473 170,859