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, Q3 2021
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Sep 30, 2021. 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
- 97
- −8 vs. Q2 2021
- Shares held
- 48.0M
- +470.2K (+1.0%) vs. Q2 2021
- Total value
- $626.3M
- −$279.3M (−30.8%) vs. Q2 2021
- New holders
- 7
- 29 more added
- Sold out
- 15
- 35 more reduced
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −52,200−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −40,891−100.0% | Sold out |
| Brandywine Global Investment Management, LLC | 0 | $0 | 0.00% | −40,663−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −32,574−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −20,611−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −11,364−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −7,418−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −6,078−100.0% | Sold out |
| Exane Derivatives | 0 | $0 | 0.00% | −5,167−100.0% | Sold out |
| Retirement Group, LLC | 0 | $0 | 0.00% | −3,812−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −1,085−100.0% | Sold out |
| Berman Capital Advisors, LLC | 0 | $0 | 0.00% | −42−100.0% | Sold out |