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Polar Capital Holdings Plc

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1837309 London, X0

Position in RYTM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$140,507,514
+$13,623,155 QoQ
Shares Held
1,615,586
+36.3% QoQ
Ownership
2.36%
of shares outstanding
% of Portfolio
0.63%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2022
15 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

Polar Capital Holdings Plc holds $3,129,351,296 across 43 Biotechnology names. RYTM ranks #8 (4.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 RYTM
Rhythm Pharmaceuticals, Inc.
This page
1,615,586 $140,507,514

All Filings in RYTM

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15 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $140,507,514 1,615,586
2025-12-31 $126,884,359 1,185,392
2025-09-30 $125,725,682 1,244,932
2025-06-30 $79,042,475 1,250,870
2025-03-31 $26,485,000 500,000
2024-12-31 $83,970,000 1,500,000
2024-09-30 $78,585,000 1,500,000
2024-06-30 $61,590,000 1,500,000
2024-03-31 $64,995,000 1,500,000
2023-12-31 $80,447,500 1,750,000
2023-09-30 $57,312,500 2,500,000
2023-06-30 $37,102,500 2,250,000
2023-03-31 $31,220,000 1,750,000
2022-12-31 $36,400,000 1,250,000
2022-09-30 $17,511,105 714,739