Rhythm PharmaceuticalsRYTM
13F holders, Q2 2024 (June 30)165holders −2
22new positions
24sold out
2famous investors
$41.07avg. 13F price*
At the end of Q2 2024, 165 institutions reported holding Rhythm Pharmaceuticals Inc. (RYTM) in their 13F filings, down 2 from Q1 2024. 22 opened new positions and 24 sold out. The largest holders were Primecap Management Co. ($300.2M), BlackRock Inc. ($276.8M) and Baker Bros. Advisors LP ($262.7M). 2 famous investors held it, including Joel Greenblatt (0.0% of Gotham Asset Management'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
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 22 | $67.5M |
| Exits | 24 | $17.7M |
All 13F filers, Q1 2024 → Q2 2024: 5,538,288 shares bought and 4,283,651 shares sold, net +1,254,637 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 165 holders
| Primecap Management Co. | 0.22% | Reduce -5.6% | 7,312,391 | $300.2M |
| BlackRock Inc. | 0.01% | Add +3.3% | 6,741,923 | $276.8M |
| Baker Bros. Advisors LP | 3.42% | No change | 6,398,365 | $262.7M |
| Ra Capital Management, L.P. | 3.31% | Add +14.2% | 6,084,412 | $249.8M |
| Goldman Sachs Group Inc. | 0.04% | Add +3.5% | 5,288,635 | $217.2M |
| Perceptive Advisors LLC | 3.42% | Add +5.5% | 3,446,579 | $141.5M |
| Vanguard Group Inc. | 0.00% | Add +1.7% | 3,360,695 | $138.0M |
| NEA Management Company, LLC | 8.99% | No change | 2,909,956 | $119.5M |
| Frazier Life Sciences Management, L.P. | 4.56% | Add +8.3% | 2,371,304 | $97.4M |
| State Street Corp. | 0.00% | Reduce -33.5% | 2,003,882 | $82.3M |
| Federated Hermes, Inc. | 0.16% | Reduce -0.0% | 1,660,784 | $68.2M |
| Polar Capital Holdings Plc | 0.37% | No change | 1,500,000 | $61.6M |
| Rock Springs Capital Management LP | 1.59% | Reduce -15.9% | 1,280,493 | $52.6M |
| Geode Capital Management, LLC | 0.00% | Add +6.1% | 1,252,689 | $51.4M |
| Commodore Capital LP | 3.43% | Add +16.7% | 1,225,000 | $50.3M |
| Driehaus Capital Management LLC | 0.47% | Add +38.2% | 1,182,370 | $48.5M |
| Alkeon Capital Management LLC | 0.21% | New | 1,000,000 | $41.1M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.12% | Add +32.4% | 967,243 | $39.7M |
| Checkpoint Capital L.P. | 22.82% | Add +11.7% | 922,100 | $37.9M |
| Pictet Asset Management Holding SA | 0.04% | Reduce -33.8% | 801,796 | $32.9M |
| Orbimed Advisors LLC | 0.58% | No change | 704,842 | $28.9M |
| Janus Henderson Group PLC | 0.01% | Reduce -4.5% | 593,642 | $24.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +9.2% | 525,942 | $21.6M |
| Opaleye Management Inc. | 4.92% | No change | 515,000 | $21.1M |
| Northern Trust Corp. | 0.00% | Reduce -0.7% | 499,448 | $20.5M |
| Morgan Stanley | 0.00% | Add +160.1% | 475,651 | $19.5M |
| Cormorant Asset Management, LP | 1.13% | Reduce -13.6% | 475,000 | $19.5M |
| Voloridge Investment Management, LLC | 0.07% | Reduce -2.4% | 462,188 | $19.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +5.2% | 427,958 | $17.6M |
| National Bank of Canada | 0.03% | Add +10.0% | 404,242 | $17.2M |
| Canada Pension Plan Investment Board | 0.02% | Reduce -27.7% | 417,000 | $17.1M |
| Nisa Investment Advisors, LLC | 0.10% | Add +157.7% | 374,347 | $15.4M |
| Invesco Ltd. | 0.00% | Add +213.7% | 276,700 | $11.4M |
| Candriam S.C.A. | 0.07% | New | 271,398 | $11.1M |
| Artisan Partners Limited Partnership | 0.02% | Reduce -0.1% | 271,267 | $11.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +14.2% | 236,431 | $9.7M |
| Franklin Resources Inc. | 0.00% | Add +5.3% | 232,677 | $9.6M |
| Assenagon Asset Management S.A. | 0.02% | Reduce -19.7% | 229,491 | $9.4M |
| Wellington Management Group LLP | 0.00% | Add +4.5% | 202,326 | $8.3M |
| Bank of New York Mellon Corp | 0.00% | Add +14.3% | 191,871 | $7.9M |
| Silverarc Capital Management, LLC | 1.87% | Add +0.5% | 184,662 | $7.6M |
| Samsara Biocapital, LLC | 1.48% | No change | 172,647 | $7.1M |
| Nuveen Asset Management, LLC | 0.00% | Add +4.5% | 149,119 | $6.1M |
| Jane Street Group, LLC | 0.01% | Add +456.6% | 146,500 | $6.0M |
| JPMorgan Chase & Co. | 0.00% | Add +157.1% | 140,146 | $5.8M |
| Ghost Tree Capital, LLC | 1.68% | Reduce -6.1% | 117,388 | $4.8M |
| Aberdeen Group plc | 0.01% | New | 112,804 | $4.6M |
| Marshall Wace, LLP | 0.01% | Add +440.8% | 106,809 | $4.4M |
| Algert Global LLC | 0.14% | Add +50.8% | 104,132 | $4.3M |
| AQR Capital Management | 0.01% | Add +46.2% | 103,830 | $4.3M |
| Lord, Abbett & Co. LLC | 0.01% | Reduce -63.5% | 102,591 | $4.2M |
| Hennion & Walsh Asset Management, Inc. | 0.20% | Add +10.8% | 96,378 | $4.0M |
| Rice Hall James & Associates, LLC | 0.23% | Add +3.7% | 93,081 | $3.8M |
| Bank of America Corp. | 0.00% | Reduce -17.2% | 92,043 | $3.8M |
| First Trust Advisors LP | 0.00% | New | 91,010 | $3.7M |
| Swiss National Bank | 0.00% | Reduce -4.9% | 88,700 | $3.6M |
| Clearbridge Investments, LLC | 0.00% | Reduce -2.1% | 88,108 | $3.6M |
| Rhumbline Advisers | 0.00% | Add +8.3% | 83,063 | $3.4M |
| Rafferty Asset Management, LLC | 0.01% | Reduce -66.8% | 72,562 | $3.0M |
| UBS Group AG | 0.00% | Reduce -61.6% | 65,942 | $2.7M |
| Wedge Capital Management L L P | 0.05% | Reduce -14.4% | 63,197 | $2.6M |
| Alliancebernstein L.P. | 0.00% | Add +14.3% | 61,070 | $2.5M |
| Barclays PLC | 0.00% | Reduce -58.0% | 53,631 | $2.2M |
| Legal & General Group Plc | 0.00% | Add +5.0% | 49,771 | $2.0M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +3.5% | 49,291 | $2.0M |
| Nan Fung Group Holdings Ltd | 2.15% | No change | 49,120 | $2.0M |
| Caption Management, LLC | 0.20% | New | 44,984 | $1.8M |
| California State Teachers Retirement System | 0.00% | Reduce -6.5% | 44,757 | $1.8M |
| Woodline Partners LP | 0.02% | Reduce -74.3% | 44,247 | $1.8M |
| Natixis | 0.01% | Add +626.5% | 43,951 | $1.8M |
| Norges Bank | 0.00% | Reduce -15.0% | 43,238 | $1.8M |
| Ameriprise Financial Inc. | 0.00% | Add +92.6% | 40,415 | $1.7M |
| State of Wisconsin Investment Board | 0.00% | Add +18.4% | 39,427 | $1.6M |
| Voya Investment Management LLC | 0.00% | Reduce -78.1% | 37,811 | $1.6M |
| Harbor Capital Advisors, Inc. | 0.11% | Add +52.0% | 34,627 | $1.4M |
| SG Americas Securities, LLC | 0.01% | Add +348.9% | 33,727 | $1.4M |
| New York State Common Retirement Fund | 0.00% | Add +0.1% | 32,855 | $1.3M |
| MetLife Investment Management, LLC | 0.01% | Add +16.7% | 31,652 | $1.3M |
| TD Asset Management Inc | 0.00% | Add +12.3% | 31,000 | $1.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | — | 30,391 | $1.2M |
| Wells Fargo & Company | 0.00% | Add +9.4% | 29,535 | $1.2M |
| Corebridge Financial, Inc. | 0.01% | — | 29,454 | $1.2M |
| Stifel Financial Corp. | 0.00% | Add +0.4% | 28,058 | $1.2M |
| FMR LLC | 0.00% | Reduce -3.5% | 27,989 | $1.1M |
| Atom Investors LP | 0.11% | Reduce -35.5% | 26,629 | $1.1M |
| Squarepoint Ops LLC | 0.00% | Reduce -75.9% | 26,243 | $1.1M |
| Deutsche Bank AG | 0.00% | Reduce -7.5% | 26,060 | $1.1M |
| Susquehanna International Group, LLP | 0.00% | Reduce -76.6% | 24,125 | $991K |
| GTS Securities LLC | 0.02% | New | 23,136 | $950K |
| Comerica Bank | 0.00% | Reduce -38.4% | 20,399 | $838K |
| Fiduciary Trust Co | 0.01% | No change | 20,000 | $821K |
| Citigroup Inc. | 0.00% | Reduce -89.5% | 19,992 | $821K |
| Castleark Management LLC | 0.03% | Reduce -70.3% | 19,010 | $781K |
| Quantinno Capital Management LP | 0.01% | New | 18,120 | $744K |
| Ensign Peak Advisors, Inc | 0.00% | No change | 17,659 | $725K |
| Parkwood LLC | 0.08% | Add +9.0% | 16,387 | $673K |
| Handelsbanken Fonder AB | 0.00% | No change | 15,921 | $654K |
| State Board of Administration of Florida Retirement System | 0.00% | New | 14,670 | $602K |
| HighVista Strategies LLC | 0.22% | No change | 14,362 | $590K |
| Profund Advisors LLC | 0.02% | Reduce -59.2% | 13,975 | $574K |
| ADAR1 Capital Management, LLC | 0.11% | Add +4.8% | 13,000 | $534K |
| Bellevue Group AG | 0.01% | Add +4.0% | 13,000 | $534K |
| Gotham Asset Management | 0.01% | Add +13.7% | 12,627 | $518K |
| Arizona State Retirement System | 0.00% | Reduce -2.8% | 12,627 | $518K |
| Exchange Traded Concepts, LLC | 0.01% | New | 11,920 | $489K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +141.4% | 11,578 | $475K |
| PDT Partners, LLC | 0.04% | New | 11,510 | $473K |
| Kennedy Capital Management LLC | 0.01% | New | 11,154 | $458K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 10,921 | $448K |
| ProShare Advisors LLC | 0.00% | Reduce -20.9% | 10,916 | $448K |
| Tower Research Capital LLC (TRC) | 0.01% | Add +1741.4% | 9,925 | $408K |
| Teacher Retirement System of Texas | 0.00% | Reduce -5.8% | 9,913 | $407K |
| Principal Financial Group Inc. | 0.00% | Add +32.8% | 9,532 | $391K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Reduce -3.5% | 9,340 | $384K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -0.1% | 9,109 | $374K |
| Tidal Investments LLC | 0.01% | New | 9,011 | $370K |
| Two Sigma Advisers, LP | 0.00% | New | 8,900 | $365K |
| OMERS ADMINISTRATION Corp | 0.00% | Reduce -13.3% | 7,800 | $320K |
| Virtus Advisers, LLC | 0.15% | Reduce -16.4% | 7,423 | $305K |
| Sei Investments Co. | 0.00% | Reduce -35.8% | 7,370 | $303K |
| China Universal Asset Management Co., Ltd. | 0.04% | Reduce -38.0% | 7,163 | $294K |
| Victory Capital Management Inc. | 0.00% | Reduce -53.3% | 7,049 | $289K |
| LPL Financial LLC | 0.00% | Add +1.0% | 6,878 | $282K |
| STRS Ohio | 0.00% | Reduce -54.4% | 6,200 | $255K |
| JGP Global Gestao de Recursos Ltda. | 0.30% | Reduce -94.5% | 5,814 | $239K |
| Jasper Ridge Partners, L.P. | 0.01% | No change | 5,639 | $232K |
| Chicago Partners Investment Group LLC | 0.01% | Reduce -11.9% | 4,797 | $229K |
| Public Employees Retirement Association of Colorado | 0.00% | Reduce -12.6% | 5,463 | $224K |
| Royal Bank of Canada | 0.00% | Add +277.4% | 5,449 | $223K |
| Ameritas Investment Partners, Inc. | 0.01% | No change | 5,318 | $218K |
| Group One Trading LLC | 0.01% | Add +16.8% | 4,991 | $205K |
| Texas Treasury Safekeeping Trust Co. | 0.01% | No change | 4,230 | $174K |
| BNP Paribas Financial Markets | 0.00% | Reduce -93.7% | 3,543 | $145K |
| Russell Investments Group, Ltd. | 0.00% | Add +422.1% | 2,010 | $83K |
| Whittier Trust Co. | 0.00% | No change | 2,000 | $82K |
| Elevation Wealth Partners, LLC | 0.04% | No change | 1,971 | $81K |
| Amalgamated Bank | 0.00% | Add +3.3% | 1,875 | $77K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | New | 1,820 | $73K |
| AlphaQuest LLC | 0.01% | Add +513.3% | 1,662 | $68K |
| Allianz SE | 0.00% | Reduce -85.1% | 1,350 | $55K |
| KBC Group NV | 0.00% | No change | 1,263 | $52K |
| ORG Partners LLC | 0.01% | New | 1,206 | $51K |
| Osaic Holdings, Inc. | 0.00% | Add +59.3% | 1,160 | $48K |
| Tucker Asset Management LLC | 0.01% | Reduce -28.6% | 1,000 | $41K |
| Cwm, LLC | 0.00% | Add +62.6% | 657 | $27K |
| Pacer Advisors, Inc. | 0.00% | Reduce -59.4% | 413 | $17K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +1795.0% | 379 | $16K |
| Jones Financial Companies LLLP | 0.00% | New | 231 | $9K |
| Daiwa Securities Group Inc. | 0.00% | No change | 227 | $9K |
| Signaturefd, LLC | 0.00% | No change | 213 | $9K |
| US Bancorp \de | 0.00% | Add +127.4% | 141 | $6K |
| Lindbrook Capital, LLC | 0.00% | Add +29.9% | 126 | $5K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -8.9% | 92 | $4K |
| GAMMA Investing LLC | 0.00% | Add +192.9% | 82 | $3K |
| Mather Group, Llc. | 0.00% | New | 65 | $3K |
| Arax Advisory Partners | 0.00% | New | 54 | $2K |
| Private Trust Co. NA | 0.00% | Reduce -7.7% | 48 | $2K |
| Global Retirement Partners, LLC | 0.00% | No change | 35 | $1K |
| Smartleaf Asset Management LLC | 0.00% | New | 13 | $521 |
| CVA Family Office, LLC | 0.00% | New | 12 | $493 |
| Farther Finance Advisors, LLC | 0.00% | No change | 9 | $384 |
| Innealta Capital, LLC | 0.00% | New | 7 | $287 |
| Rothschild Investment LLC | 0.00% | No change | 5 | $205 |
| Parallel Advisors, LLC | 0.00% | No change | 5 | $205 |
| Covestor Ltd | 0.00% | No change | 3 | $0 |
"% of holder's portfolio" is RYTM's weight in each manager's 13F, not the share of Rhythm Pharmaceuticals Inc. the manager owns.