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Rhythm Pharmaceuticals (RYTM) Institutional Ownership

Rhythm Pharmaceuticals logo
$65.14 -1.25 (-1.88%)
Closing price 07/8/2025 04:00 PM Eastern
Extended Trading
$64.34 -0.80 (-1.22%)
As of 05:13 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Rhythm Pharmaceuticals (NASDAQ:RYTM)

Number of
Institutional Buyers
(last 12 months)
142
Total
Institutional Inflows
(last 12 months)
$551.50M
Number of
Institutional Sellers
(last 12 months)
74
Total
Institutional Outflows
(last 12 months)
$411.73M
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RYTM Institutional Buying and Selling by Quarter

Rhythm Pharmaceuticals Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/8/2025E. Ohman J or Asset Management AB8,213$519K0.0%N/A0.013%
6/18/2025Voya Investment Management LLC85,849$4.55M0.0%-11.6%0.135%
5/29/2025Rhumbline Advisers85,719$4.54M0.0%+3.6%0.135%
5/28/2025Strs Ohio18,500$980K0.0%N/A0.029%
5/23/2025Siren L.L.C.277,533$14.70M0.8%N/A0.436%
5/20/2025Intech Investment Management LLC33,893$1.80M0.0%+20.7%0.053%
5/19/2025Bayforest Capital Ltd3,134$166K0.1%N/A0.005%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC125,782$6.66M0.0%-42.4%0.198%
5/16/2025Voleon Capital Management LP 13,819$732K0.1%N/A0.022%
5/16/2025Goldman Sachs Group Inc.1,637,908$86.76M0.0%-9.6%2.575%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.35,282$1.87M0.0%+6.4%0.055%
5/16/2025Checkpoint Capital L.P.907,240$48.06M26.4%+24.6%1.426%
5/16/2025Cinctive Capital Management LP4,356$231K0.0%-94.7%0.007%
5/16/2025Cormorant Asset Management LP150,000$7.95M0.6%-62.5%0.236%
5/16/2025Banque Transatlantique SA34,598$1.69M0.0%N/A0.054%
5/16/2025AQR Capital Management LLC39,363$2.09M0.0%+148.2%0.062%
5/16/2025Advisors Asset Management Inc.10,250$543K0.0%+44.9%0.016%
5/16/2025ADAR1 Capital Management LLC36,890$1.95M0.4%+19.2%0.058%
5/16/2025Alkeon Capital Management LLC817,700$43.31M0.1%-30.0%1.285%
5/15/2025Frazier Life Sciences Management L.P.678,760$35.95M1.6%-63.7%1.067%
5/15/2025Baker BROS. Advisors LP5,604,483$296.87M3.6%-7.9%8.809%
5/15/2025PDT Partners LLC102,195$5.41M0.4%+134.5%0.161%
5/15/2025Cubist Systematic Strategies LLC173,822$9.21M0.1%N/A0.273%
5/15/2025Panagora Asset Management Inc.141,162$7.48M0.0%N/A0.222%
5/15/2025Driehaus Capital Management LLC1,458,022$77.23M0.7%+12.9%2.292%
5/15/2025Siren L.L.C.277,533$14.70M0.9%N/A0.436%
5/15/2025Trexquant Investment LP38,724$2.05M0.0%+396.6%0.061%
5/14/2025Rafferty Asset Management LLC57,732$3.06M0.0%+14.6%0.091%
5/14/2025Corebridge Financial Inc.26,821$1.42M0.0%-1.5%0.042%
5/14/2025Comerica Bank244,754$12.97M0.1%+1,330.2%0.385%
5/14/2025MetLife Investment Management LLC32,414$1.72M0.0%-3.2%0.051%
5/14/2025Jump Financial LLC41,760$2.21M0.0%N/A0.066%
5/14/2025AlphaQuest LLC6,607$350K0.0%+660,600.0%0.010%
5/14/2025Price T Rowe Associates Inc. MD1,199,053$63.52M0.0%+75.0%1.885%
5/14/2025Candriam S.C.A.291,469$15.44M0.1%-12.3%0.458%
5/14/2025BI Asset Management Fondsmaeglerselskab A S648$34K0.0%N/A0.001%
5/14/2025Hsbc Holdings PLC15,570$823K0.0%-4.4%0.024%
5/14/2025Wellington Management Group LLP23,558$1.25M0.0%-7.8%0.037%
5/13/2025Northern Trust Corp536,206$28.40M0.0%-1.7%0.843%
5/13/2025Algert Global LLC61,461$3.26M0.1%+47.9%0.097%
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5/13/2025American Century Companies Inc.13,282$704K0.0%-60.7%0.021%
5/13/2025Aberdeen Group plc108,129$5.73M0.0%+34.3%0.170%
5/13/2025Fox Run Management L.L.C.19,172$1.02M0.2%N/A0.030%
5/13/2025Lord Abbett & CO. LLC135,360$7.17M0.0%-15.7%0.213%
5/13/2025E Fund Management Co. Ltd.5,396$286K0.0%N/A0.008%
5/13/2025Persistent Asset Partners Ltd11,501$609K0.5%-37.2%0.018%
5/13/2025Russell Investments Group Ltd.114,778$6.08M0.0%+11,412.3%0.180%
5/13/2025Informed Momentum Co LLC45,108$2.39M0.4%-28.5%0.071%
5/12/2025Nuveen LLC147,301$7.80M0.0%N/A0.232%
5/12/2025Aigen Investment Management LP7,701$408K0.1%N/A0.012%
5/12/2025Entropy Technologies LP5,502$291K0.0%N/A0.009%
5/12/2025Invesco Ltd.261,902$13.87M0.0%-13.5%0.412%
5/12/2025Connor Clark & Lunn Investment Management Ltd.50,557$2.68M0.0%+730.3%0.079%
5/12/2025Swiss National Bank89,300$4.73M0.0%-1.0%0.140%
5/9/2025Deutsche Bank AG43,779$2.32M0.0%-10.2%0.069%
5/9/2025Chicago Partners Investment Group LLC3,510$186K0.0%-5.0%0.006%
5/9/2025Charles Schwab Investment Management Inc.445,429$23.59M0.0%+1.2%0.700%
5/9/2025Primecap Management Co. CA5,787,322$306.55M0.3%-11.9%9.100%
5/9/2025Vanguard Group Inc.3,444,926$182.48M0.0%+0.1%5.417%
5/9/2025JGP Global Gestao de Recursos Ltda.3,824$203K0.2%-28.9%0.006%
5/9/2025Westfield Capital Management Co. LP1,341,092$71.04M0.3%N/A2.109%
5/9/2025BIT Capital GmbH6,013$319K0.0%N/A0.009%
5/9/2025PNC Financial Services Group Inc.4,518$239K0.0%+1,386.2%0.007%
5/8/2025Jefferies Financial Group Inc.17,100$906K0.0%N/A0.027%
5/8/2025Bayforest Capital Ltd3,134$166K0.1%N/A0.005%
5/8/2025XTX Topco Ltd29,949$1.59M0.1%+293.8%0.047%
5/8/2025Federated Hermes Inc.1,591,871$84.32M0.2%+2.7%2.503%
5/7/2025TD Asset Management Inc50,200$2.66M0.0%+5.0%0.079%
5/6/2025Universal Beteiligungs und Servicegesellschaft mbH93,105$4.93M0.0%+22.4%0.146%
5/2/2025Victory Capital Management Inc.17,326$918K0.0%+1.0%0.027%
5/2/2025Leo Wealth LLC16,000$848K0.1%N/A0.025%
5/2/2025SBI Securities Co. Ltd.466$25K0.0%-30.0%0.001%
5/1/2025CWM LLC2,584$137K0.0%+92.3%0.004%
5/1/2025Xponance Inc.4,365$231K0.0%+4.7%0.007%
4/30/2025Alps Advisors Inc.46,207$2.45M0.0%-7.0%0.073%
4/30/2025China Universal Asset Management Co. Ltd.12,682$672K0.1%-2.7%0.020%
4/29/2025Bank of New York Mellon Corp146,585$7.77M0.0%-1.1%0.232%
4/29/2025GF Fund Management CO. LTD.1,573$83K0.0%+21.9%0.002%
4/28/2025Principal Financial Group Inc.37,156$1.97M0.0%+0.7%0.059%
4/28/2025Teacher Retirement System of Texas12,404$657K0.0%-8.7%0.020%
4/21/2025Avior Wealth Management LLC4,589$243K0.0%N/A0.007%
4/17/2025Exchange Traded Concepts LLC11,912$631K0.0%-3.7%0.019%
4/15/2025Assenagon Asset Management S.A.22,192$1.18M0.0%N/A0.035%
4/15/2025SG Americas Securities LLC19,667$1.04M0.0%N/A0.031%
4/14/2025Harbor Capital Advisors Inc.77,297$4.09M0.2%+155.5%0.122%
4/14/2025Wedge Capital Management L L P NC36,984$1.96M0.0%-23.6%0.058%
4/10/2025Hennion & Walsh Asset Management Inc.89,622$4.75M0.2%-9.9%0.142%
4/8/2025Rhumbline Advisers85,719$4.54M0.0%+3.6%0.136%
4/7/2025GAMMA Investing LLC14,885$788K0.0%+7,305.5%0.024%
3/24/2025Wellington Management Group LLP25,555$1.43M0.0%-7.8%0.040%
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3/18/2025California State Teachers Retirement System43,533$2.44M0.0%-0.9%0.069%
2/28/2025Universal Beteiligungs und Servicegesellschaft mbH76,084$4.26M0.0%N/A0.124%
2/19/2025GF Fund Management CO. LTD.1,290$72K0.0%N/A0.002%
2/18/2025Castleark Management LLC18,390$1.03M0.0%-4.5%0.030%
2/18/2025Frazier Life Sciences Management L.P.1,869,808$104.67M4.3%-22.6%3.042%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC218,544$12.23M0.0%-3.0%0.356%
2/17/2025Voloridge Investment Management LLC380,537$21.30M0.1%+7.7%0.619%
2/17/2025Two Sigma Advisers LP13,100$733K0.0%+2.3%0.021%
2/17/2025State of Wyoming1,084$61K0.0%N/A0.002%
2/17/2025Stempoint Capital LP208,016$11.65M2.9%+404.1%0.338%
(Data available from 1/1/2016 forward)

RYTM Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of RYTM shares?

During the previous two years, 209 institutional investors and hedge funds held shares of Rhythm Pharmaceuticals. The most heavily invested institutionals were Primecap Management Co. CA ($306.55M), Baker BROS. Advisors LP ($296.87M), Vanguard Group Inc. ($182.48M), Perceptive Advisors LLC ($141.52M), State Street Corp ($104.42M), RA Capital Management L.P. ($93.60M), and Goldman Sachs Group Inc. ($86.76M).Learn more on Rhythm Pharmaceuticals' institutional investors.

Which institutional investors have been buying Rhythm Pharmaceuticals' stock?

Of the 177 institutional investors that purchased Rhythm Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Perceptive Advisors LLC ($1.95M), Westfield Capital Management Co. LP ($1.34M), Healthcare of Ontario Pension Plan Trust Fund ($1.14M), VR Adviser LLC ($1.09M), Braidwell LP ($843.09K), Polar Capital Holdings Plc ($750K), and Great Point Partners LLC ($674.46K).

How much institutional buying is happening at Rhythm Pharmaceuticals?

Institutional investors have bought a total of 10,601,284 shares in the last 24 months. This purchase volume represents approximately $551.02M in transactions.

Which of Rhythm Pharmaceuticals' major shareholders have been selling company stock?

Of the 74 institutional investors that sold Rhythm Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Primecap Management Co. CA ($1.96M), Frazier Life Sciences Management L.P. ($1.74M), Baker BROS. Advisors LP ($793.88K), Nisa Investment Advisors LLC ($373.06K), Alkeon Capital Management LLC ($350K), Assenagon Asset Management S.A. ($265.60K), and Checkpoint Capital L.P. ($258.72K).

How much institutional selling is happening at Rhythm Pharmaceuticals?

Institutional investors have sold a total of 7,867,488 shares in the last 24 months. This volume of shares sold represents approximately $411.73M in transactions.


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This page (NASDAQ:RYTM) was last updated on 7/9/2025 by MarketBeat.com Staff
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