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; 305 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, Q4 2024
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Dec 31, 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
- 203
- +28 vs. Q3 2024
- Shares held
- 64.9M
- −2.70M (−4.0%) vs. Q3 2024
- Total value
- $3.63B
- +$92.1M (+2.6%) vs. Q3 2024
- New holders
- 52
- 66 more added
- Sold out
- 24
- 53 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 305 | $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, Q4 2024
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hexagon Capital Partners LLC | 7 | $392 | 0.00% | +7 | New |
| Quest Partners LLC | 1 | $56 | 0.00% | −9,166−100.0% | Reduced |
| IFP Advisors, Inc | 1 | $56 | 0.00% | +1 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −1,111,043−100.0% | Sold out |
| Commodore Capital LP | 0 | $0 | 0.00% | −650,000−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −341,507−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −143,823−100.0% | Sold out |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −136,950−100.0% | Sold out |
| Clearbridge Investments, LLC | 0 | $0 | 0.00% | −87,424−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −67,000−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −25,063−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −20,052−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −18,000−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −13,716−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −11,491−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −7,519−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −4,858−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −4,416−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −4,184−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −4,149−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −82−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Continuum Advisory, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Ghost Tree Capital, LLC | – | – | – | – | Not filed |