Skip to main content

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 2023 vs. Q2 2023

How the institutions holding Rhythm Pharmaceuticals, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of RYTM: Q2 2023 compared with Q3 2023
MeasureQ2 2023Q3 2023Change
Holders116144+28
Shares66.2M68.1M+1.92M (+2.9%)
Value$1.09B$1.56B+$470.0M (+43.0%)

New holders (40)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to RYTM in Q3 2023
InstitutionSharesValue% of portfolio
Commodore Capital LP2,075,000$47.6M5.56%
OrbiMed Advisors LLC583,642$13.4M0.31%
Logos Global Management LP400,000$9.17M1.31%
Perceptive Advisors LLC380,828$8.73M0.29%
Hudson Bay Capital Management LP207,500$4.76M0.05%
Clearbridge Investments, LLC182,825$4.19M0.00%
Healthcare of Ontario Pension Plan Trust Fund177,000$4.06M0.02%
National Bank of Canada131,000$2.90M0.01%
Zimmer Partners, LP82,500$1.89M0.05%
Cubist Systematic Strategies, LLC80,102$1.84M0.02%
Bellevue Group AG73,300$1.68M0.03%
HRT Financial LP50,552$1.16M0.01%
Comerica Bank45,671$1.05M0.01%
SG Americas Securities, LLC44,874$1.03M0.01%
Adage Capital Partners GP, L.L.C.43,815$1.00M0.00%
Millennium Management LLC38,772$888.8K0.00%
Point72 Middle East FZE31,181$714.8K0.04%
UBS Oconnor LLC30,000$687.8K0.01%
Trexquant Investment LP24,514$562.0K0.01%
Voloridge Investment Management, LLC20,367$466.9K0.00%
Victory Capital Management Inc20,050$459.6K0.00%
Atom Investors LP19,386$444.4K0.10%
Fox Run Management, L.L.C.17,186$394.0K0.12%
Prelude Capital Management, LLC16,406$376.1K0.03%
Gotham Asset Management, LLC14,319$328.3K0.01%
Los Angeles Capital Management LLC13,421$307.7K0.00%
Engineers Gate Manager LP13,071$299.7K0.01%
Man Group plc–$256.8K0.00%
Handelsbanken Fonder AB8,821$202.0K0.00%
Point72 Asset Management, L.P.4,146$95.0K0.00%
Aquatic Capital Management LLC3,100$71.0K0.00%
KBC Group NV811$19.0K0.00%
Headinvest, LLC110$2.43K0.00%
Private Trust Co NA82$1.88K0.00%
Lindbrook Capital, LLC59$1.35K0.00%
Global Retirement Partners, LLC28$5990.00%
Bell Investment Advisors, Inc19$4360.00%
Allworth Financial LP5$1150.00%
GWM Advisors LLC5$1150.00%
Covestor Ltd7$00.00%

Sold out (12)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of RYTM in Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Braidwell LP843,087$13.9M
Great Point Partners LLC772,000$12.7M
Walleye Capital LLC395,541$6.52M
Kynam Capital Management, LP92,602$1.53M
Soleus Capital Management, L.P.38,600$636.5K
Utah Retirement Systems28,197$465.0K
Walleye Trading LLC25,395$418.8K
E Fund Management Co., Ltd.13,948$230.0K
Virtu Financial LLC13,188$217.0K
HarbourVest Partners LLC5,639$93.0K
Russell Investments Group, Ltd.1,100$18.1K
Beaird Harris Wealth Management, LLC49$809