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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.

13F holders, Q1 2023

Institutional positions in Rhythm Pharmaceuticals, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
126
+11 vs. Q4 2022
Shares held
60.3M
−1.98M (−3.2%) vs. Q4 2022
Total value
$1.08B
−$738.2M (−40.7%) vs. Q4 2022
New holders
29
46 more added
Sold out
18
24 more reduced

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RYTM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 126 institutions
Q1 2021: 124 institutionsQ2 2021: 105 institutionsQ3 2021: 97 institutionsQ4 2021: 98 institutionsQ1 2022: 111 institutionsQ2 2022: 90 institutionsQ3 2022: 101 institutionsQ4 2022: 115 institutionsQ1 2023: 126 institutionsQ2 2023: 116 institutionsQ3 2023: 144 institutionsQ4 2023: 169 institutionsQ1 2024: 167 institutionsQ2 2024: 165 institutionsQ3 2024: 176 institutionsQ4 2024: 203 institutionsQ1 2025: 228 institutionsQ2 2025: 227 institutionsQ3 2025: 264 institutionsQ4 2025: 281 institutionsQ1 2026: 285 institutionsQ2 2026: 305 institutions
Value heldQ1 2023: $1.08B
Q1 2021: $1.01BQ2 2021: $905.6MQ3 2021: $626.3MQ4 2021: $483.6MQ1 2022: $562.7MQ2 2022: $190.8MQ3 2022: $1.45BQ4 2022: $1.81BQ1 2023: $1.08BQ2 2023: $1.09BQ3 2023: $1.56BQ4 2023: $3.07BQ1 2024: $2.95BQ2 2024: $2.85BQ3 2024: $3.55BQ4 2024: $3.63BQ1 2025: $3.44BQ2 2025: $4.20BQ3 2025: $7.20BQ4 2025: $7.80BQ1 2026: $6.42BQ2 2026: $8.55B
Institutions holding RYTM and their total value by quarter
QuarterHoldersValue
Q2 2026305$8.55B
Q1 2026285$6.42B
Q4 2025281$7.80B
Q3 2025264$7.20B
Q2 2025227$4.20B
Q1 2025228$3.44B
Q4 2024203$3.63B
Q3 2024176$3.55B
Q2 2024165$2.85B
Q1 2024167$2.95B
Q4 2023169$3.07B
Q3 2023144$1.56B
Q2 2023116$1.09B
Q1 2023126$1.08B
Q4 2022115$1.81B
Q3 2022101$1.45B
Q2 202290$190.8M
Q1 2022111$562.7M
Q4 202198$483.6M
Q3 202197$626.3M
Q2 2021105$905.6M
Q1 2021124$1.01B

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q4 2022.

Institutions holding RYTM in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Deutsche Bank AG5,646$100.7K0.00%00.0%Unchanged
HarbourVest Partners LLC5,639$100.6K0.03%+5,639New
Texas Treasury Safekeeping Trust Co4,230$75.0K0.02%+4,230New
Farther Finance Advisors, LLC3,812$68.0K0.02%00.0%Unchanged
Denali Advisors LLC3,200$57.1K0.02%00.0%Unchanged
Great West Life Assurance Co2,363$42.0K0.00%00.0%Unchanged
Royal Bank of Canada1,963$35.0K0.00%+1,789+1,028.2%Added
State of Wyoming1,126$20.1K0.01%−1,102−49.5%Reduced
New York State Common Retirement Fund1,072$19.1K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.763$13.6K0.00%+191+33.4%Added
The PNC Financial Services Group, Inc.350$6.24K0.00%00.0%Unchanged
Ameritas Advisory Services, LLC300$6.09K0.00%+300New
Focused Wealth Management, Inc300$5.35K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.254$4.53K0.00%+254New
Daiwa Securities Group Inc.227$4.00K0.00%00.0%Unchanged
CWM, LLC200$4.00K0.00%00.0%Unchanged
Truvestments Capital LLC216$3.85K0.00%+216New
Advisor Group Holdings, Inc.209$3.73K0.00%00.0%Unchanged
Signaturefd, LLC204$3.64K0.00%00.0%Unchanged
Harbour Investments, Inc.148$2.64K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.65$1.16K0.00%00.0%Unchanged
Cutler Group LP100$1.00K0.00%+100New
Beaird Harris Wealth Management, LLC49$8750.00%00.0%Unchanged
US Bancorp45$8030.00%00.0%Unchanged
Dark Forest Capital Management LP25$4460.00%+25New
NewSquare Capital LLC20$3570.00%00.0%Unchanged
Invesco Ltd.0$00.00%−334,273−100.0%Sold out
Altium Capital Management LP0$00.00%−170,000−100.0%Sold out
EAM Investors, LLC0$00.00%−164,695−100.0%Sold out
Parkman Healthcare Partners LLC0$00.00%−157,862−100.0%Sold out
Ensign Peak Advisors, Inc0$00.00%−108,562−100.0%Sold out
EAM Global Investors LLC0$00.00%−62,623−100.0%Sold out
Bell & Brown Wealth Advisors, LLC0$00.00%−41,600−100.0%Sold out
Candriam Luxembourg S.C.A.0$00.00%−32,479−100.0%Sold out
Fred Alger Management, LLC0$00.00%−19,988−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−19,535−100.0%Sold out
SEI Investments Co0$00.00%−15,453−100.0%Sold out
American Century Companies Inc0$00.00%−9,041−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−8,000−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−7,451−100.0%Sold out
683 Capital Management, LLC0$00.00%−6,960−100.0%Sold out
Simplex Trading, LLC0$00.00%−5,581−100.0%Sold out
Sierra Capital LLC0$00.00%−2,400−100.0%Sold out
Vigilant Capital Management, LLC0$00.00%−100−100.0%Sold out