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XTX Topco Ltd

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1828301 LONDON, X0

Position in RYTM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$5,174,888
+$4,058,140 QoQ
Shares Held
59,502
+470.3% QoQ
Ownership
0.087%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2023
5 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

XTX Topco Ltd holds $285,821,171 across 374 Biotechnology names. RYTM ranks #8 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 RYTM
Rhythm Pharmaceuticals, Inc.
This page
59,502 $5,174,888

All Filings in RYTM

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5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,174,888 59,502
2025-12-31 $1,116,748 10,433
2025-03-31 $1,586,398 29,949
2024-12-31 $425,727 7,605
2023-12-31 $201,624 4,386