Skip to main content
Livermore
Livermore
ZHEN

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 2024 vs. Q3 2024

How the institutions holding Rhythm Pharmaceuticals, Inc. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024All holders in Q3 2024

13F holders of RYTM: Q3 2024 compared with Q4 2024
MeasureQ3 2024Of which not filed for Q4 2024Q4 2024Change
Holders1761203+28
Shares67.7M78.8K64.9M−2.70M (−4.0%)
Value$3.55B$4.13M$3.63B+$92.1M (+2.6%)

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (52)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to RYTM in Q4 2024
InstitutionSharesValue% of portfolio
Integral Health Asset Management, LLC150,000$8.40M0.74%
Walleye Capital LLC144,342$8.08M0.08%
Balyasny Asset Management LLC138,363$7.75M0.02%
Lazard Asset Management LLC106,261$5.95M0.01%
Qube Research & Technologies Ltd95,235$5.33M0.01%
Cinctive Capital Management LP82,755$4.63M0.25%
Universal- Beteiligungs- und Servicegesellschaft mbH76,084$4.26M0.01%
Diadema Partners LP75,000$4.20M4.73%
EAM Investors, LLC63,078$3.53M0.50%
EAM Global Investors LLC56,936$3.19M0.57%
Artia Global Partners LP50,000$2.80M1.13%
Alps Advisors Inc49,700$2.78M0.02%
State of New Jersey Common Pension Fund D35,004$1.96M0.01%
American Century Companies Inc33,766$1.89M0.00%
ADAR1 Capital Management, LLC30,941$1.73M0.36%
Bryce Point Capital, LLC19,607$1.10M0.32%
Persistent Asset Partners Ltd18,312$1.09M0.93%
Engineers Gate Manager LP19,183$1.07M0.02%
HSBC Holdings PLC16,287$921.2K0.00%
Tudor Investment Corp Et Al15,245$853.4K0.01%
Police & Firemen's Retirement System of New Jersey11,655$652.4K0.01%
Atom Investors LP11,605$649.6K0.08%
Cannon Financial Strategists, Inc.10,000$559.8K0.10%
KLP Kapitalforvaltning AS9,300$520.6K0.00%
Aquatic Capital Management LLC9,223$516.3K0.01%
Verition Fund Management LLC8,037$449.9K0.00%
Trexquant Investment LP7,798$436.5K0.01%
XTX Topco Ltd7,605$425.7K0.04%
Omers Administration Corp7,600$425.4K0.00%
Advisors Asset Management, Inc.7,074$396.0K0.01%
Farringdon Capital, Ltd.6,854$383.7K0.16%
Jain Global LLC6,700$375.1K0.01%
Connor, Clark & Lunn Investment Management Ltd.6,089$340.9K0.00%
Y-Intercept (Hong Kong) Ltd5,866$328.4K0.02%
Dark Forest Capital Management LP5,211$291.7K0.04%
CIBC World Markets Corp5,123$286.8K0.00%
Bridgefront Capital, LLC4,604$257.7K0.09%
Mariner, LLC4,525$253.6K0.00%
Xponance, Inc.4,168$233.3K0.00%
Raymond James Financial Inc3,892$217.9K0.00%
Freestone Capital Holdings, LLC3,700$207.1K0.01%
Simplex Trading, LLC2,475$138.0K0.00%
GF Fund Management Co. Ltd.1,290$72.2K0.00%
State of Wyoming1,084$60.7K0.01%
R Squared Ltd780$43.7K0.04%
SBI Securities Co., Ltd.666$37.3K0.00%
Raleigh Capital Management Inc.500$28.0K0.01%
Ameriflex Group, Inc.360$21.4K0.01%
EverSource Wealth Advisors, LLC12$6720.00%
Whipplewood Advisors, LLC11$6160.00%
Hexagon Capital Partners LLC7$3920.00%
IFP Advisors, Inc1$560.00%

Sold out (24)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of RYTM in Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Healthcare of Ontario Pension Plan Trust Fund1,111,043$58.2M
Commodore Capital LP650,000$34.1M
National Bank of Canada341,507$17.9M
Woodline Partners LP143,823$7.53M
Great Lakes Advisors, LLC136,950$7.17M
Clearbridge Investments, LLC87,424$4.58M
Canada Pension Plan Investment Board67,000$3.51M
Penserra Capital Management LLC25,063$1.31M
Assenagon Asset Management S.A.20,052$1.05M
Jefferies Financial Group Inc.18,000$943.0K
Jump Financial, LLC13,716$718.6K
Caxton Associates LP11,491$602.0K
SG Americas Securities, LLC7,519$394.0K
Acadian Asset Management LLC4,858$254.0K
Ameritas Advisory Services, LLC4,416$231.4K
Campbell & CO Investment Adviser LLC4,184$219.2K
E Fund Management Co., Ltd.4,149$217.4K
Meeder Asset Management Inc82$4.30K
Private Trust Co NA48$2.52K
Geneos Wealth Management Inc.44$2.31K
Global Retirement Partners, LLC35$1.83K
Allspring Global Investments Holdings, LLC26$1.36K
Capital Performance Advisors LLP16$838
Continuum Advisory, LLC13$777

Not filed for Q4 2024 yet (1)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RYTM in Q3 2024 that haven't filed for Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Ghost Tree Capital, LLC78,842$4.13M