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; 304 institutions reported holding it in 13F filings for Q2 2026, worth $8.57B in total; Duquesne Family Office is the only superinvestor holding it.
13F holders, Q2 2024
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 165
- 0 vs. Q1 2024
- Shares held
- 69.3M
- +1.31M (+1.9%) vs. Q1 2024
- Total value
- $2.85B
- −$98.1M (−3.3%) vs. Q1 2024
- New holders
- 24
- 63 more added
- Sold out
- 24
- 54 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RYTM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 304 | $8.57B |
| Q1 2026 | 285 | $6.42B |
| Q4 2025 | 281 | $7.80B |
| Q3 2025 | 264 | $7.32B |
| Q2 2025 | 227 | $4.22B |
| Q1 2025 | 228 | $3.44B |
| Q4 2024 | 203 | $3.63B |
| Q3 2024 | 176 | $3.55B |
| Q2 2024 | 165 | $2.86B |
| Q1 2024 | 167 | $2.98B |
| Q4 2023 | 169 | $3.09B |
| Q3 2023 | 144 | $1.57B |
| Q2 2023 | 116 | $1.09B |
| Q1 2023 | 126 | $1.09B |
| Q4 2022 | 115 | $1.81B |
| Q3 2022 | 101 | $1.48B |
| Q2 2022 | 90 | $190.8M |
| Q1 2022 | 111 | $562.7M |
| Q4 2021 | 98 | $484.7M |
| Q3 2021 | 97 | $626.3M |
| Q2 2021 | 105 | $905.6M |
| Q1 2021 | 124 | $1.01B |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Primecap Management Co | 7,312,391 | $300.2M | 0.22% | −435,200−5.6% | Reduced |
| BlackRock Inc. | 6,741,923 | $276.8M | 0.01% | +212,277+3.3% | Added |
| Baker Bros. Advisors LP | 6,398,365 | $262.7M | 3.36% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 6,084,412 | $249.8M | 3.30% | +754,000+14.1% | Added |
| Goldman Sachs Group Inc | 5,288,635 | $217.2M | 0.04% | +177,034+3.5% | Added |
| Perceptive Advisors LLC | 3,446,579 | $141.5M | 3.42% | +178,000+5.4% | Added |
| Vanguard Group Inc | 3,360,695 | $138.0M | 0.00% | +56,549+1.7% | Added |
| NEA Management Company, LLC | 2,909,956 | $119.5M | 8.99% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 2,371,304 | $97.4M | 4.55% | +181,125+8.3% | Added |
| State Street Corp | 2,003,882 | $82.3M | 0.00% | −1,009,956−33.5% | Reduced |
| Federated Hermes, Inc. | 1,660,784 | $68.2M | 0.16% | −3130.0% | Reduced |
| Polar Capital Holdings Plc | 1,500,000 | $61.6M | 0.36% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 1,280,493 | $52.6M | 1.59% | −242,400−15.9% | Reduced |
| Geode Capital Management, LLC | 1,252,689 | $51.4M | 0.00% | +71,984+6.1% | Added |
| Commodore Capital LP | 1,225,000 | $50.3M | 3.43% | +175,000+16.7% | Added |
| Driehaus Capital Management LLC | 1,182,370 | $48.5M | 0.47% | +326,865+38.2% | Added |
| Alkeon Capital Management LLC | 1,000,000 | $41.1M | 0.21% | +1,000,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 967,243 | $39.7M | 0.12% | +236,600+32.4% | Added |
| Checkpoint Capital L.P. | 922,100 | $37.9M | 22.82% | +96,600+11.7% | Added |
| Pictet Asset Management Holding SA | 801,796 | $32.9M | 0.04% | −409,883−33.8% | Reduced |
| OrbiMed Advisors LLC | 704,842 | $28.9M | 0.58% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 593,642 | $24.4M | 0.01% | −27,785−4.5% | Reduced |
| Price T Rowe Associates Inc | 525,942 | $21.6M | 0.00% | +44,409+9.2% | Added |
| Opaleye Management Inc. | 515,000 | $21.1M | 4.83% | 00.0% | Unchanged |
| Northern Trust Corp | 499,448 | $20.5M | 0.00% | −3,407−0.7% | Reduced |
| Morgan Stanley | 475,651 | $19.5M | 0.00% | +292,781+160.1% | Added |
| Cormorant Asset Management, LP | 475,000 | $19.5M | 1.13% | −75,000−13.6% | Reduced |
| Voloridge Investment Management, LLC | 462,188 | $19.0M | 0.07% | −11,267−2.4% | Reduced |
| Charles Schwab Investment Management Inc | 427,958 | $17.6M | 0.00% | +21,213+5.2% | Added |
| National Bank of Canada | 404,242 | $17.2M | 0.03% | +36,725+10.0% | Added |
| Canada Pension Plan Investment Board | 417,000 | $17.1M | 0.02% | −160,000−27.7% | Reduced |
| Nisa Investment Advisors, LLC | 374,347 | $15.4M | 0.10% | +229,056+157.7% | Added |
| Invesco Ltd. | 276,700 | $11.4M | 0.00% | +188,495+213.7% | Added |
| Candriam Luxembourg S.C.A. | 271,398 | $11.1M | 0.07% | +271,398 | New |
| Artisan Partners Limited Partnership | 271,267 | $11.1M | 0.02% | −154−0.1% | Reduced |
| UBS Asset Management Americas Inc | 236,431 | $9.71M | 0.00% | +29,451+14.2% | Added |
| Franklin Resources Inc | 232,677 | $9.55M | 0.00% | +11,772+5.3% | Added |
| Assenagon Asset Management S.A. | 229,491 | $9.42M | 0.02% | −56,160−19.7% | Reduced |
| Wellington Management Group LLP | 202,326 | $8.31M | 0.00% | +8,803+4.5% | Added |
| Bank of New York Mellon Corp | 191,871 | $7.88M | 0.00% | +24,033+14.3% | Added |
| Silverarc Capital Management, LLC | 184,662 | $7.58M | 1.87% | +886+0.5% | Added |
| Samsara BioCapital, LLC | 172,647 | $7.09M | 1.48% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 149,119 | $6.12M | 0.00% | +6,384+4.5% | Added |
| Jane Street Group, LLC | 146,500 | $6.02M | 0.01% | +120,182+456.7% | Added |
| JPMorgan Chase & Co | 140,146 | $5.75M | 0.00% | +85,642+157.1% | Added |
| Ghost Tree Capital, LLC | 117,388 | $4.82M | 1.68% | −7,612−6.1% | Reduced |
| Standard Life Aberdeen plc | 112,804 | $4.63M | 0.01% | +112,804 | New |
| Marshall Wace, LLP | 106,809 | $4.39M | 0.01% | +87,059+440.8% | Added |
| Algert Global LLC | 104,132 | $4.28M | 0.14% | +35,084+50.8% | Added |
| AQR Capital Management LLC | 103,830 | $4.26M | 0.01% | +32,831+46.2% | Added |
| Lord, Abbett & Co. LLC | 102,591 | $4.21M | 0.01% | −178,566−63.5% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 96,378 | $3.96M | 0.20% | +9,411+10.8% | Added |
| Rice Hall James & Associates, LLC | 93,081 | $3.82M | 0.23% | +3,355+3.7% | Added |
| Bank of America Corp | 92,043 | $3.78M | 0.00% | −19,071−17.2% | Reduced |
| First Trust Advisors LP | 91,010 | $3.74M | 0.00% | +91,010 | New |
| Swiss National Bank | 88,700 | $3.64M | 0.00% | −4,600−4.9% | Reduced |
| Clearbridge Investments, LLC | 88,108 | $3.62M | 0.00% | −1,896−2.1% | Reduced |
| Rhumbline Advisers | 83,063 | $3.41M | 0.00% | +6,339+8.3% | Added |
| Rafferty Asset Management, LLC | 72,562 | $2.98M | 0.01% | −146,095−66.8% | Reduced |
| UBS Group AG | 65,942 | $2.71M | 0.00% | −105,623−61.6% | Reduced |
| Wedge Capital Management L L P | 63,197 | $2.59M | 0.05% | −10,676−14.5% | Reduced |
| Alliancebernstein L.P. | 61,070 | $2.51M | 0.00% | +7,640+14.3% | Added |
| Barclays PLC | 53,631 | $2.20M | 0.00% | −73,905−57.9% | Reduced |
| Legal & General Group Plc | 49,771 | $2.04M | 0.00% | +2,355+5.0% | Added |
| Manufacturers Life Insurance Company, The | 49,291 | $2.02M | 0.00% | +1,667+3.5% | Added |
| Nan Fung Group Holdings Ltd | 49,120 | $2.02M | 2.15% | 00.0% | Unchanged |
| Caption Management, LLC | 44,984 | $1.85M | 0.20% | +44,984 | New |
| California State Teachers Retirement System | 44,757 | $1.84M | 0.00% | −3,137−6.5% | Reduced |
| Woodline Partners LP | 44,247 | $1.82M | 0.02% | −127,960−74.3% | Reduced |
| Natixis | 43,951 | $1.80M | 0.01% | +37,901+626.5% | Added |
| Norges Bank | 43,238 | $1.78M | 0.00% | −7,632−15.0% | Reduced |
| Ameriprise Financial Inc | 40,415 | $1.66M | 0.00% | +19,435+92.6% | Added |
| State of Wisconsin Investment Board | 39,427 | $1.62M | 0.00% | +6,123+18.4% | Added |
| Voya Investment Management LLC | 37,811 | $1.55M | 0.00% | −134,941−78.1% | Reduced |
| Harbor Capital Advisors, Inc. | 34,627 | $1.42M | 0.11% | +11,846+52.0% | Added |
| SG Americas Securities, LLC | 33,727 | $1.39M | 0.01% | +26,214+348.9% | Added |
| New York State Common Retirement Fund | 32,855 | $1.35M | 0.00% | +44+0.1% | Added |
| MetLife Investment Management | 31,652 | $1.30M | 0.01% | +4,529+16.7% | Added |
| TD Asset Management Inc | 31,000 | $1.27M | 0.00% | +3,400+12.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 30,391 | $1.25M | 0.00% | +30,391 | New |
| Wells Fargo & Company | 29,535 | $1.21M | 0.00% | +2,550+9.4% | Added |
| Corebridge Financial, Inc. | 29,454 | $1.21M | 0.01% | +29,454 | New |
| Stifel Financial Corp | 28,058 | $1.15M | 0.00% | +121+0.4% | Added |
| FMR LLC | 27,989 | $1.15M | 0.00% | −1,031−3.6% | Reduced |
| Atom Investors LP | 26,629 | $1.09M | 0.11% | −14,647−35.5% | Reduced |
| Squarepoint Ops LLC | 26,243 | $1.08M | 0.00% | −82,512−75.9% | Reduced |
| Deutsche Bank AG | 26,060 | $1.07M | 0.00% | −2,099−7.5% | Reduced |
| Susquehanna International Group, LLP | 24,125 | $990.6K | 0.00% | −79,128−76.6% | Reduced |
| GTS Securities LLC | 23,136 | $950.0K | 0.02% | +23,136 | New |
| Comerica Bank | 20,399 | $837.6K | 0.00% | −12,719−38.4% | Reduced |
| Fiduciary Trust Co | 20,000 | $821.2K | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 19,992 | $820.9K | 0.00% | −170,528−89.5% | Reduced |
| Castleark Management LLC | 19,010 | $780.6K | 0.03% | −44,890−70.3% | Reduced |
| Quantinno Capital Management LP | 18,120 | $744.0K | 0.01% | +18,120 | New |
| Ensign Peak Advisors, Inc | 17,659 | $725.1K | 0.00% | 00.0% | Unchanged |
| Parkwood LLC | 16,387 | $673.0K | 0.08% | +1,354+9.0% | Added |
| Handelsbanken Fonder AB | 15,921 | $654.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 14,670 | $602.4K | 0.00% | +14,670 | New |
| HighVista Strategies LLC | 14,362 | $589.7K | 0.22% | 00.0% | Unchanged |
| Profund Advisors LLC | 13,975 | $573.8K | 0.02% | −20,306−59.2% | Reduced |