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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.

Q3 2022 vs. Q2 2022

How the institutions holding Rhythm Pharmaceuticals, Inc. changed between Q2 2022 and Q3 2022.

All holders in Q3 2022All holders in Q2 2022

13F holders of RYTM: Q2 2022 compared with Q3 2022
MeasureQ2 2022Of which not filed for Q3 2022Q3 2022Change
Holders902101+13
Shares45.9M27459.5M+13.5M (+29.5%)
Value$190.8M$1.04K$1.45B+$1.25B (+657.6%)

2 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (35)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q3 2022 but not at the end of Q2 2022.

Institutions new to RYTM in Q3 2022
InstitutionSharesValue% of portfolio
Frazier Life Sciences Management, L.P.1,894,000$46.4M3.57%
Polar Capital Holdings Plc714,739$17.5M0.14%
Rafferty Asset Management, LLC262,288$6.43M0.07%
Voloridge Investment Management, LLC243,408$5.96M0.03%
EAM Investors, LLC198,699$4.87M1.06%
Walleye Capital LLC191,373$4.69M0.11%
Parkman Healthcare Partners LLC187,989$4.61M1.31%
Altium Capital Management LP170,000$4.17M1.57%
Prosight Management, LP80,000$1.96M1.08%
EAM Global Investors LLC78,976$1.94M0.51%
UBS Oconnor LLC72,375$1.77M0.02%
Ghost Tree Capital, LLC65,000$1.59M0.65%
Voya Investment Management LLC63,595$1.56M0.00%
Schonfeld Strategic Advisors LLC48,903$1.20M0.01%
Stratos Wealth Partners, LTD.38,615$946.0K0.03%
Candriam Luxembourg S.C.A.38,234$937.0K0.01%
DekaBank Deutsche Girozentrale30,000$711.0K0.00%
Driehaus Capital Management LLC22,993$563.0K0.01%
Raymond James & Associates22,600$554.0K0.00%
Fred Alger Management, LLC20,286$497.0K0.00%
SEI Investments Co19,258$472.0K0.00%
E Fund Management Co., Ltd.18,035$442.0K0.04%
ClariVest Asset Management LLC16,800$412.0K0.02%
Price T Rowe Associates Inc16,300$400.0K0.00%
Harvest Investment Services, LLC13,941$341.0K0.42%
Teacher Retirement System of Texas12,369$303.0K0.00%
Allianz Asset Management GmbH11,900$292.0K0.00%
Focused Wealth Management, Inc2,000$49.0K0.01%
Denali Advisors LLC1,900$47.0K0.02%
IFP Advisors, Inc600$20.0K0.00%
Bank of Montreal567$14.0K0.00%
China Universal Asset Management Co., Ltd.475$12.0K0.01%
Signaturefd, LLC204$5.00K0.00%
Royal Bank of Canada65$2.00K0.00%
US Bancorp45$1.00K0.00%

Sold out (22)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q2 2022 and filed for Q3 2022 without it.

Not filed for Q3 2022 yet (2)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q2 2022 and haven't filed a 13F for Q3 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RYTM in Q2 2022 that haven't filed for Q3 2022
InstitutionShares, Q2 2022Value, Q2 2022
Private Capital Group, LLC264$1.00K
Exane Derivatives10$41