Rhythm PharmaceuticalsRYTM

13F holders, Q1 2024 (March 31)
167holders
5famous investors
$43.31avg. 13F price*

At the end of Q1 2024, 167 institutions reported holding Rhythm Pharmaceuticals Inc. (RYTM) in their 13F filings. The largest holders were Primecap Management Co. ($335.7M), BlackRock Inc. ($282.9M) and Baker Bros. Advisors LP ($277.2M). 5 famous investors held it, including Joel Greenblatt (0.0% of Gotham Asset Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).

Company
Rhythm Pharmaceuticals Inc.
CUSIP
76243J105
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 167Q1 2024Q2 2024: 165Q2 2024Q3 2024: 176Q3 2024Q4 2024: 203Q4 2024Q1 2025: 228Q1 2025Q2 2025: 227Q2 2025Q3 2025: 264Q3 2025Q4 2025: 281Q4 2025Q1 2026: 285Q1 2026Q2 2026: 304Q2 2026

Total Exit/New Position Q1 2024

InstitutionsTotal Value
New Positions24$17.5M
Exits26$42.8M

Ownership 167 holders

Primecap Management Co. 0.25% Reduce -3.8% 7,747,591 $335.7M
BlackRock Inc. 0.01% Add +2.8% 6,529,646 $282.9M
Baker Bros. Advisors LP 3.48% No change 6,398,365 $277.2M
Ra Capital Management, L.P. 2.94% No change 5,330,412 $231.0M
Goldman Sachs Group Inc. 0.05% Add +1.3% 5,111,601 $221.5M
Vanguard Group Inc. 0.00% Add +2.4% 3,304,146 $143.2M
Perceptive Advisors LLC 2.50% Add +51.7% 3,268,579 $141.6M
State Street Corp. 0.01% Add +36.6% 3,013,838 $130.6M
NEA Management Company, LLC 7.83% No change 2,909,956 $126.1M
Frazier Life Sciences Management, L.P. 4.01% Reduce -7.6% 2,190,179 $94.9M
Federated Hermes, Inc. 0.17% Reduce -28.1% 1,661,097 $72.0M
Rock Springs Capital Management LP 1.68% No change 1,522,893 $66.0M
Polar Capital Holdings Plc 0.34% Reduce -14.3% 1,500,000 $65.0M
Pictet Asset Management Holding SA 0.06% Add +4.1% 1,211,679 $52.5M
Geode Capital Management, LLC 0.00% Add +5.5% 1,180,705 $51.2M
Commodore Capital LP 3.04% Reduce -32.3% 1,050,000 $45.5M
Driehaus Capital Management LLC 0.37% Add +42.8% 855,505 $37.1M
Checkpoint Capital L.P. 23.91% Add +13.1% 825,500 $35.8M
Healthcare of Ontario Pension Plan Trust Fund 0.11% Add +381.2% 730,643 $31.7M
Orbimed Advisors LLC 0.56% Add +31.3% 704,842 $30.5M
Janus Henderson Group PLC 0.01% Reduce -0.1% 621,427 $26.9M
Canada Pension Plan Investment Board 0.03% Add +116.1% 577,000 $25.0M
Cormorant Asset Management, LP 1.05% No change 550,000 $23.8M
Opaleye Management Inc. 4.90% Reduce -15.6% 515,000 $22.3M
Northern Trust Corp. 0.00% Add +0.3% 502,855 $21.8M
T. Rowe Price Associates Inc. 0.00% Reduce -15.9% 481,533 $20.9M
Voloridge Investment Management, LLC 0.07% Add +30.5% 473,455 $20.5M
Charles Schwab Investment Management Inc. 0.00% Add +2.3% 406,745 $17.6M
National Bank of Canada 0.02% Add +53.8% 367,517 $14.4M
Assenagon Asset Management S.A. 0.03% Reduce -5.3% 285,651 $12.4M
Lord, Abbett & Co. LLC 0.04% Reduce -0.8% 281,157 $12.2M
Artisan Partners Limited Partnership 0.02% No change 271,421 $11.8M
Franklin Resources Inc. 0.00% Add +3659.4% 220,905 $9.6M
Rafferty Asset Management, LLC 0.04% Add +79.7% 218,657 $9.5M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -1.4% 206,980 $9.0M
Wellington Management Group LLP 0.00% Add +38.4% 193,523 $8.4M
Citigroup Inc. 0.01% Add +250.9% 190,520 $8.3M
Silverarc Capital Management, LLC 2.23% Add +5.5% 183,776 $8.0M
Morgan Stanley 0.00% Reduce -21.1% 182,870 $7.9M
Voya Investment Management LLC 0.01% Add +165.8% 172,752 $7.5M
Samsara Biocapital, LLC 1.16% No change 172,647 $7.5M
Woodline Partners LP 0.07% Add +130.1% 172,207 $7.5M
UBS Group AG 0.00% Add +99.6% 171,565 $7.4M
Bank of New York Mellon Corp 0.00% Reduce -6.9% 167,838 $7.3M
Nisa Investment Advisors, LLC 0.04% Add +11467.8% 145,291 $6.3M
Nuveen Asset Management, LLC 0.00% Reduce -0.7% 142,735 $6.2M
Barclays PLC 0.00% Reduce -49.3% 127,536 $5.5M
Ghost Tree Capital, LLC 1.74% New 125,000 $5.4M
Bank of America Corp. 0.00% Add +59.0% 111,114 $4.8M
Squarepoint Ops LLC 0.02% Add +608.5% 108,755 $4.7M
JGP Global Gestao de Recursos Ltda. 2.95% Add +1760.3% 105,814 $4.6M
Susquehanna International Group, LLP 0.01% Add +220.3% 103,253 $4.5M
Swiss National Bank 0.00% Add +4.0% 93,300 $4.0M
Clearbridge Investments, LLC 0.00% Reduce -1.3% 90,004 $3.9M
Rice Hall James & Associates, LLC 0.22% Add +0.1% 89,726 $3.9M
Invesco Ltd. 0.00% Reduce -35.0% 88,205 $3.8M
Hennion & Walsh Asset Management, Inc. 0.20% Add +30.4% 86,967 $3.8M
Rhumbline Advisers 0.00% Add +4.8% 76,724 $3.3M
Wedge Capital Management L L P 0.05% Reduce -3.4% 73,873 $3.2M
AQR Capital Management 0.01% Add +373.9% 70,999 $3.1M
Algert Global LLC 0.12% Add +139.7% 69,048 $3.0M
Jefferies Financial Group Inc. 0.07% Reduce -16.4% 68,566 $3.0M
Castleark Management LLC 0.12% New 63,900 $2.8M
Altium Capital Management LLC 1.12% Add +783.1% 57,271 $2.5M
BNP Paribas Financial Markets 0.00% Reduce -11.2% 56,009 $2.4M
JPMorgan Chase & Co. 0.00% Reduce -29.8% 54,504 $2.4M
Alliancebernstein L.P. 0.00% Reduce -1.8% 53,430 $2.3M
Norges Bank 0.00% New 50,870 $2.2M
Nan Fung Group Holdings Ltd 1.97% Add +22.6% 49,120 $2.1M
California State Teachers Retirement System 0.00% Reduce -2.3% 47,894 $2.1M
Manufacturers Life Insurance Company, The 0.00% Add +21.4% 47,624 $2.1M
Legal & General Group Plc 0.00% Add +1.3% 47,416 $2.1M
Exome Asset Management LLC 1.69% Reduce -36.8% 45,603 $2.0M
Credit Suisse AG/ 0.00% Add +2.7% 43,164 $1.9M
Alps Advisors Inc. 0.01% Add +5.5% 42,419 $1.8M
Atom Investors LP 0.22% Add +65.6% 41,276 $1.8M
Profund Advisors LLC 0.06% Add +67.3% 34,281 $1.5M
State of Wisconsin Investment Board 0.00% Reduce -11.0% 33,304 $1.4M
Comerica Bank 0.01% Reduce -2.7% 33,118 $1.4M
New York State Common Retirement Fund 0.00% Reduce -0.2% 32,811 $1.4M
FMR LLC 0.00% Reduce -94.5% 29,020 $1.3M
Deutsche Bank AG 0.00% Add +4.1% 28,159 $1.2M
Stifel Financial Corp. 0.00% Reduce -8.8% 27,937 $1.2M
TD Asset Management Inc 0.00% Reduce -27.0% 27,600 $1.2M
MetLife Investment Management, LLC 0.01% No change 27,123 $1.2M
Wells Fargo & Company 0.00% Reduce -32.1% 26,985 $1.2M
Graham Capital Management, L.P. 0.06% New 26,436 $1.1M
American International Group, Inc. 0.00% Add +3.1% 26,318 $1.1M
Jane Street Group, LLC 0.00% Reduce -85.7% 26,318 $1.1M
Harbor Capital Advisors, Inc. 0.13% New 22,781 $987K
Twinbeech Capital LP 0.02% New 22,714 $984K
Ameriprise Financial Inc. 0.00% No change 20,980 $909K
Fiduciary Trust Co 0.01% No change 20,000 $867K
Marshall Wace, LLP 0.00% New 19,750 $856K
Ensign Peak Advisors, Inc 0.00% Reduce -4.8% 17,659 $765K
Campbell & CO Investment Adviser LLC 0.06% Add +52.0% 16,331 $708K
Handelsbanken Fonder AB 0.00% Add +29.2% 15,921 $690K
Bayesian Capital Management, LP 0.06% New 15,355 $665K
Victory Capital Management Inc. 0.00% Reduce -91.7% 15,085 $654K
Parkwood LLC 0.07% Add +47.4% 15,033 $651K

"% of holder's portfolio" is RYTM's weight in each manager's 13F, not the share of Rhythm Pharmaceuticals Inc. the manager owns.

Show all 167 holders