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Rhythm Pharmaceuticals, Inc.

RYTM
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001649904

In the last 90 days, Rhythm Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 6 sales; 305 institutions reported holding it in 13F filings for Q2 2026, worth $8.55B in total; Duquesne Family Office is the only superinvestor holding it.

Q1 2024 vs. Q4 2023

How the institutions holding Rhythm Pharmaceuticals, Inc. changed between Q4 2023 and Q1 2024.

All holders in Q1 2024All holders in Q4 2023

13F holders of RYTM: Q4 2023 compared with Q1 2024
MeasureQ4 2023Q1 2024Change
Holders169167−2
Shares66.7M68.0M+1.33M (+2.0%)
Value$3.07B$2.95B−$119.7M (−3.9%)

New holders (25)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to RYTM in Q1 2024
InstitutionSharesValue% of portfolio
Ghost Tree Capital, LLC125,000$5.42M1.74%
Castleark Management LLC63,900$2.77M0.12%
Norges Bank50,870$2.20M0.00%
Graham Capital Management, L.P.26,436$1.15M0.03%
Harbor Capital Advisors, Inc.22,781$987.0K0.13%
Twinbeech Capital LP22,714$984.2K0.02%
Marshall Wace, LLP19,750$855.8K0.00%
Bayesian Capital Management, LP15,355$665.3K0.06%
ADAR1 Capital Management, LLC12,400$537.3K0.15%
Allianz SE9,080$393.4K0.01%
Omers Administration Corp9,000$390.0K0.00%
Aquatic Capital Management LLC8,600$372.6K0.01%
Capstone Investment Advisors, LLC6,738$292.0K0.01%
Aigen Investment Management, LP6,479$280.7K0.06%
Chicago Partners Investment Group LLC5,445$217.8K0.01%
Group One Trading, L.P.4,275$185.2K0.01%
Fernwood Investment Management, LLC1,554$67.3K0.02%
Tucker Asset Management LLC1,400$60.7K0.01%
Pacer Advisors, Inc.1,018$44.1K0.00%
Russell Investments Group, Ltd.385$16.7K0.00%
Quest Partners LLC271$11.7K0.00%
The PNC Financial Services Group, Inc.101$4.38K0.00%
Allspring Global Investments Holdings, LLC20$8670.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC10$4330.00%
Rothschild Investment LLC5$2170.00%

Sold out (27)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q4 2023 and filed for Q1 2024 without it.

Institutions that sold out of RYTM in Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
VR Adviser, LLC495,983$22.8M
Dimensional Fund Advisors LP96,948$4.46M
Zimmer Partners, LP61,800$2.84M
HRT Financial LP54,534$2.51M
ExodusPoint Capital Management, LP40,197$1.85M
Millennium Management LLC34,831$1.60M
Mirae Asset Global Investments Co., Ltd.29,444$1.35M
Virtu Financial LLC26,501$1.22M
State Board of Administration of Florida Retirement System14,670$674.4K
Jump Financial, LLC12,793$588.1K
Fred Alger Management, LLC11,795$542.2K
Los Angeles Capital Management LLC10,593$487.0K
Concurrent Investment Advisors, LLC7,472$343.5K
Stratos Wealth Partners, LTD.7,264$333.9K
Scientech Research LLC5,125$235.2K
Dynamic Technology Lab Private Ltd5,089$234.0K
Old Well Partners, LLC4,600$211.5K
XTX Topco Ltd4,386$201.6K
BIT Capital GmbH2,489$114.4K
Quarry LP1,500$69.0K
nVerses Capital, LLC–$69.0K
Northwestern Mutual Wealth Management Co1,250$57.5K
AJOVista, LLC920$42.3K
EntryPoint Capital, LLC317$14.6K
Focused Wealth Management, Inc300$13.8K
Bell Investment Advisors, Inc19$874
GWM Advisors LLC5$230