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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.

Q2 2022 vs. Q1 2022

How the institutions holding Rhythm Pharmaceuticals, Inc. changed between Q1 2022 and Q2 2022.

All holders in Q2 2022All holders in Q1 2022

13F holders of RYTM: Q1 2022 compared with Q2 2022
MeasureQ1 2022Of which not filed for Q2 2022Q2 2022Change
Holders111390−18
Shares48.9M27.4K45.9M−2.88M (−5.9%)
Value$562.7M$316.0K$190.8M−$371.5M (−66.1%)

3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (18)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q2 2022 but not at the end of Q1 2022.

Institutions new to RYTM in Q2 2022
InstitutionSharesValue% of portfolio
Alkeon Capital Management LLC1,500,000$6.22M0.04%
Jacobs Levy Equity Management, Inc378,714$1.57M0.01%
Opaleye Management Inc.362,000$1.50M0.68%
Ergoteles LLC212,800$883.0K0.03%
Cubist Systematic Strategies, LLC98,091$407.0K0.00%
Public Employees Retirement System of Ohio57,218$237.0K0.00%
Cornercap Investment Counsel Inc36,663$152.0K0.03%
Bailard, Inc.29,500$122.0K0.00%
Qube Research & Technologies Ltd28,794$119.0K0.00%
Gsa Capital Partners LLP23,147$96.0K0.01%
Virtu Financial LLC22,666$94.0K0.01%
Fiduciary Trust Co20,000$83.0K0.00%
Ameriprise Financial Inc18,140$75.0K0.00%
Laurion Capital Management LP16,322$68.0K0.00%
LMR Partners LLP15,713$65.0K0.00%
Connor, Clark & Lunn Investment Management Ltd.11,225$47.0K0.00%
Arizona State Retirement System10,230$42.0K0.00%
Private Capital Group, LLC264$1.00K0.00%

Sold out (36)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q1 2022 and filed for Q2 2022 without it.

Not filed for Q2 2022 yet (3)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q1 2022 and haven't filed a 13F for Q2 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RYTM in Q1 2022 that haven't filed for Q2 2022
InstitutionShares, Q1 2022Value, Q1 2022
Virginia Retirement Systems Et Al11,800$136.0K
Parametric Portfolio Associates LLC10,309$119.0K
Amalgamated Financial Corp.5,326$61.0K