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 $8.55B 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 | $8.55B |
| Q1 2026 | 285 | $6.42B |
| Q4 2025 | 281 | $7.80B |
| Q3 2025 | 264 | $7.20B |
| Q2 2025 | 227 | $4.20B |
| Q1 2025 | 228 | $3.44B |
| Q4 2024 | 203 | $3.63B |
| Q3 2024 | 176 | $3.55B |
| Q2 2024 | 165 | $2.85B |
| Q1 2024 | 167 | $2.95B |
| Q4 2023 | 169 | $3.07B |
| Q3 2023 | 144 | $1.56B |
| Q2 2023 | 116 | $1.09B |
| Q1 2023 | 126 | $1.08B |
| Q4 2022 | 115 | $1.81B |
| Q3 2022 | 101 | $1.45B |
| Q2 2022 | 90 | $190.8M |
| Q1 2022 | 111 | $562.7M |
| Q4 2021 | 98 | $483.6M |
| 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 |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 49,291 | $2.02M | 0.00% | +1,667+3.5% | Added |
| Legal & General Group Plc | 49,771 | $2.04M | 0.00% | +2,355+5.0% | Added |
| Barclays PLC | 53,631 | $2.20M | 0.00% | −73,905−57.9% | Reduced |
| Alliancebernstein L.P. | 61,070 | $2.51M | 0.00% | +7,640+14.3% | Added |
| Wedge Capital Management L L P | 63,197 | $2.59M | 0.05% | −10,676−14.5% | Reduced |
| UBS Group AG | 65,942 | $2.71M | 0.00% | −105,623−61.6% | Reduced |
| Rafferty Asset Management, LLC | 72,562 | $2.98M | 0.01% | −146,095−66.8% | Reduced |
| Rhumbline Advisers | 83,063 | $3.41M | 0.00% | +6,339+8.3% | Added |
| Clearbridge Investments, LLC | 88,108 | $3.62M | 0.00% | −1,896−2.1% | Reduced |
| Swiss National Bank | 88,700 | $3.64M | 0.00% | −4,600−4.9% | Reduced |
| First Trust Advisors LP | 91,010 | $3.74M | 0.00% | +91,010 | New |
| Bank of America Corp | 92,043 | $3.78M | 0.00% | −19,071−17.2% | Reduced |
| Rice Hall James & Associates, LLC | 93,081 | $3.82M | 0.23% | +3,355+3.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 96,378 | $3.96M | 0.20% | +9,411+10.8% | Added |
| Lord, Abbett & Co. LLC | 102,591 | $4.21M | 0.01% | −178,566−63.5% | Reduced |
| AQR Capital Management LLC | 103,830 | $4.26M | 0.01% | +32,831+46.2% | Added |
| Algert Global LLC | 104,132 | $4.28M | 0.14% | +35,084+50.8% | Added |
| Marshall Wace, LLP | 106,809 | $4.39M | 0.01% | +87,059+440.8% | Added |
| Standard Life Aberdeen plc | 112,804 | $4.63M | 0.01% | +112,804 | New |
| Ghost Tree Capital, LLC | 117,388 | $4.82M | 1.68% | −7,612−6.1% | Reduced |
| JPMorgan Chase & Co | 140,146 | $5.75M | 0.00% | +85,642+157.1% | Added |
| Jane Street Group, LLC | 146,500 | $6.02M | 0.01% | +120,182+456.7% | Added |
| Nuveen Asset Management, LLC | 149,119 | $6.12M | 0.00% | +6,384+4.5% | Added |
| Samsara BioCapital, LLC | 172,647 | $7.09M | 1.48% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 184,662 | $7.58M | 1.87% | +886+0.5% | Added |
| Bank of New York Mellon Corp | 191,871 | $7.88M | 0.00% | +24,033+14.3% | Added |
| Wellington Management Group LLP | 202,326 | $8.31M | 0.00% | +8,803+4.5% | Added |
| Assenagon Asset Management S.A. | 229,491 | $9.42M | 0.02% | −56,160−19.7% | Reduced |
| Franklin Resources Inc | 232,677 | $9.55M | 0.00% | +11,772+5.3% | Added |
| UBS Asset Management Americas Inc | 236,431 | $9.71M | 0.00% | +29,451+14.2% | Added |
| Artisan Partners Limited Partnership | 271,267 | $11.1M | 0.02% | −154−0.1% | Reduced |
| Candriam Luxembourg S.C.A. | 271,398 | $11.1M | 0.07% | +271,398 | New |
| Invesco Ltd. | 276,700 | $11.4M | 0.00% | +188,495+213.7% | Added |
| Nisa Investment Advisors, LLC | 374,347 | $15.4M | 0.10% | +229,056+157.7% | Added |
| Canada Pension Plan Investment Board | 417,000 | $17.1M | 0.02% | −160,000−27.7% | Reduced |
| National Bank of Canada | 404,242 | $17.2M | 0.03% | +36,725+10.0% | Added |
| Charles Schwab Investment Management Inc | 427,958 | $17.6M | 0.00% | +21,213+5.2% | Added |
| Voloridge Investment Management, LLC | 462,188 | $19.0M | 0.07% | −11,267−2.4% | Reduced |
| Cormorant Asset Management, LP | 475,000 | $19.5M | 1.13% | −75,000−13.6% | Reduced |
| Morgan Stanley | 475,651 | $19.5M | 0.00% | +292,781+160.1% | Added |
| Northern Trust Corp | 499,448 | $20.5M | 0.00% | −3,407−0.7% | Reduced |
| Opaleye Management Inc. | 515,000 | $21.1M | 4.83% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 525,942 | $21.6M | 0.00% | +44,409+9.2% | Added |
| Janus Henderson Group PLC | 593,642 | $24.4M | 0.01% | −27,785−4.5% | Reduced |
| OrbiMed Advisors LLC | 704,842 | $28.9M | 0.62% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 801,796 | $32.9M | 0.04% | −409,883−33.8% | Reduced |
| Checkpoint Capital L.P. | 922,100 | $37.9M | 22.82% | +96,600+11.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 967,243 | $39.7M | 0.12% | +236,600+32.4% | Added |
| Alkeon Capital Management LLC | 1,000,000 | $41.1M | 0.21% | +1,000,000 | New |
| Driehaus Capital Management LLC | 1,182,370 | $48.5M | 0.47% | +326,865+38.2% | Added |
| Commodore Capital LP | 1,225,000 | $50.3M | 3.43% | +175,000+16.7% | Added |
| Geode Capital Management, LLC | 1,252,689 | $51.4M | 0.00% | +71,984+6.1% | Added |
| Rock Springs Capital Management LP | 1,280,493 | $52.6M | 1.59% | −242,400−15.9% | Reduced |
| Polar Capital Holdings Plc | 1,500,000 | $61.6M | 0.36% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 1,660,784 | $68.2M | 0.16% | −3130.0% | Reduced |
| State Street Corp | 2,003,882 | $82.3M | 0.00% | −1,009,956−33.5% | Reduced |
| Frazier Life Sciences Management, L.P. | 2,371,304 | $97.4M | 4.55% | +181,125+8.3% | Added |
| NEA Management Company, LLC | 2,909,956 | $119.5M | 8.99% | 00.0% | Unchanged |
| Vanguard Group Inc | 3,360,695 | $138.0M | 0.00% | +56,549+1.7% | Added |
| Perceptive Advisors LLC | 3,446,579 | $141.5M | 3.42% | +178,000+5.4% | Added |
| Goldman Sachs Group Inc | 5,288,635 | $217.2M | 0.04% | +177,034+3.5% | Added |
| Ra Capital Management, L.P. | 6,084,412 | $249.8M | 3.30% | +754,000+14.1% | Added |
| Baker Bros. Advisors LP | 6,398,365 | $262.7M | 3.36% | 00.0% | Unchanged |
| BlackRock Inc. | 6,741,923 | $276.8M | 0.01% | +212,277+3.3% | Added |
| Primecap Management Co | 7,312,391 | $300.2M | 0.22% | −435,200−5.6% | Reduced |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −68,566−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −57,271−100.0% | Sold out |
| Exome Asset Management LLC | 0 | $0 | 0.00% | −45,603−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −42,419−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −26,436−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −26,318−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −22,714−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −16,331−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −15,355−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −13,355−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −10,706−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −10,462−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −10,333−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −8,600−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −7,400−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −6,738−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −6,479−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −4,098−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −3,600−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −2,812−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −1,733−100.0% | Sold out |
| Fernwood Investment Management, LLC | 0 | $0 | 0.00% | −1,554−100.0% | Sold out |
| Truvestments Capital LLC | 0 | $0 | 0.00% | −216−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |
| Cutler Group LP | – | – | – | – | Not filed |