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MARSHALL WACE, LLP

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1318757 LONDON, X0

Position in RYTM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$907,559
+$70,212 QoQ
Shares Held
8,174
-15.1% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#163
of 299 holders
Holding Since
Jun 2020
17 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in RYTM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MARSHALL WACE, LLP holds $3,014,740,742 across 267 Biotechnology names. RYTM ranks #186 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RYTM

Export CSV
17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $907,559 8,174
2026-03-31 $837,347 9,628
2025-09-30 $17,353,515 171,834
2025-06-30 $23,774,731 376,242
2025-03-31 $28,344,405 535,103
2024-12-31 $38,783,110 692,803
2024-09-30 $21,302,559 406,615
2024-06-30 $4,385,577 106,809
2024-03-31 $855,767 19,750
2023-09-30 $790,774 34,494
2023-06-30 $599,757 36,371
2023-03-31 $1,674,212 93,846
2022-12-31 $619,760 21,283
2021-03-31 $3,802,160 178,757
2020-12-31 $569,567 19,158
2020-09-30 $610,920 28,192
2020-06-30 $228,731 10,257