RYTM — RHYTHM PHARMACEUTICALS INC

Ownership history in CAXTON ASSOCIATES LP  ·  4 quarters on record

This page tracks every 13F SEC filing in which CAXTON ASSOCIATES LP reported a position in RHYTHM PHARMACEUTICALS INC (RYTM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.06% (2022 Q2)
Avg. % of fund
0.05%
First filed
2021 Q4
Last filed
2024 Q3
Quarters held
4
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2024 Q3 REDUCED 11,491 -139,722 -92.4% 0.02% $602K $52.39
2022 Q2 ADDED 151,213 +110,105 +267.8% 0.06% $628K $4.15
2022 Q1 REDUCED 41,108 -18,289 -30.8% 0.04% $474K $11.52
2021 Q4 INITIATED 59,397 — — 0.06% $593K $9.98
% of Fund (quarterly)    RYTM price (monthly, adj. close)

Other funds also holding RYTM

As of 2025 Q4 — sorted by position size

Checkpoint Capital L.P. 33.18% NEA Management Company, LLC 3Y 7Y 15.88% RA CAPITAL MANAGEMENT, L.P. 3Y 7Y 7.31% PERCEPTIVE ADVISORS LLC 3Y 7Y 4.86% Nan Fung Group Holdings Ltd 3Y 4.71% Opaleye Management Inc. 3Y 7Y 4.66% Sio Capital Management, LLC 3Y 7Y 4.47% Rock Springs Capital Management LP 3Y 7Y 3.81% BAKER BROS. ADVISORS LP 3Y 7Y 3.51% Integral Health Asset Management, LLC 3Y 2.52%
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