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WELLINGTON MANAGEMENT GROUP LLP

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 902219 Boston, MA

Position in RYTM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$23,808,642
-$2,968,052 QoQ
Shares Held
273,757
+9.4% QoQ
Ownership
0.399%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 74.75169584704683.ToString("F0")% None 25.248304152953168.ToString("F0")%

Common Shares in RYTM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $14,419,413,771 across 180 Biotechnology names. RYTM ranks #59 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RYTM

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $23,808,642 273,757
2025-12-31 $26,776,694 250,156
2025-09-30 $2,471,931 24,477
2025-06-30 $1,417,034 22,425
2025-03-31 $1,247,865 23,558
2024-12-31 $1,430,568 25,555
2024-09-30 $1,452,040 27,716
2024-06-30 $8,307,504 202,326
2024-03-31 $8,385,349 193,523
2023-12-31 $6,426,697 139,802
2023-09-30 $3,150,880 137,443
2023-06-30 $2,312,243 140,221
2023-03-31 $1,991,532 111,633
2022-12-31 $3,113,393 106,916
2022-09-30 $3,753,718 153,213
2022-06-30 $355,094 85,565
2022-03-31 $988,542 85,811
2021-12-31 $7,443,909 745,883
2021-09-30 $11,048,131 845,952
2021-06-30 $25,377,263 1,296,081
2021-03-31 $21,595,471 1,015,302
2020-12-31 $62,469,476 2,101,227
2020-09-30 $51,452,119 2,374,348
2020-06-30 $57,911,380 2,596,923
2020-03-31 $40,610,429 2,668,228