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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.

Q4 2021 vs. Q3 2021

How the institutions holding Rhythm Pharmaceuticals, Inc. changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of RYTM: Q3 2021 compared with Q4 2021
MeasureQ3 2021Q4 2021Change
Holders9798+1
Shares48.0M48.5M+497.7K (+1.0%)
Value$626.3M$483.6M−$142.8M (−22.8%)

New holders (13)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to RYTM in Q4 2021
InstitutionSharesValue% of portfolio
Endurant Capital Management LP197,462$1.97M0.53%
Caxton Associates LP59,397$593.0K0.08%
Tudor Investment Corp Et Al29,478$294.0K0.01%
HRT Financial LP25,918$258.0K0.00%
Engineers Gate Manager LP20,633$206.0K0.01%
Cubist Systematic Strategies, LLC14,661$146.0K0.00%
Exane Derivatives7,886$78.7K0.02%
Ensign Peak Advisors, Inc5,090$51.0K0.00%
Aquatic Capital Management LLC4,000$40.0K0.08%
CWM, LLC200$2.00K0.00%
Lindbrook Capital, LLC83$1.00K0.00%
Ellevest, Inc.10$00.00%
Beaird Harris Wealth Management, LLC49$00.00%

Sold out (12)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of RYTM in Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
Gilder Gagnon Howe & Co LLC1,496,424$19.5M
Walleye Capital LLC49,845$651.0K
Winton Group Ltd24,048$314.0K
Two Sigma Investments, LP22,306$291.0K
Price T Rowe Associates Inc16,712$218.0K
Qube Research & Technologies Ltd15,453$202.0K
DekaBank Deutsche Girozentrale12,000$157.0K
AQR Capital Management LLC10,191$133.0K
Penserra Capital Management LLC1,145$14.0K
Evolution Wealth Advisors, LLC213$3.00K
Geneos Wealth Management Inc.200$2.00K
Captrust Financial Advisors19$0