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, Q3 2023
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Sep 30, 2023. 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
- 144
- +28 vs. Q2 2023
- Shares held
- 68.1M
- +1.92M (+2.9%) vs. Q2 2023
- Total value
- $1.56B
- +$470.0M (+43.0%) vs. Q2 2023
- New holders
- 40
- 48 more added
- Sold out
- 12
- 39 more reduced
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gsa Capital Partners LLP | 16,465 | $377.0K | 0.03% | −52,099−76.0% | Reduced |
| Prelude Capital Management, LLC | 16,406 | $376.1K | 0.03% | +16,406 | New |
| Stratos Wealth Partners, LTD. | 15,526 | $355.9K | 0.01% | −13,058−45.7% | Reduced |
| State Board of Administration of Florida Retirement System | 14,670 | $336.3K | 0.00% | +80+0.5% | Added |
| Gotham Asset Management, LLC | 14,319 | $328.3K | 0.01% | +14,319 | New |
| Los Angeles Capital Management LLC | 13,421 | $307.7K | 0.00% | +13,421 | New |
| Engineers Gate Manager LP | 13,071 | $299.7K | 0.01% | +13,071 | New |
| Arizona State Retirement System | 12,950 | $296.9K | 0.00% | +199+1.6% | Added |
| Teacher Retirement System of Texas | 12,916 | $296.0K | 0.00% | +600+4.9% | Added |
| Royal Bank of Canada | 12,043 | $276.0K | 0.00% | +4,794+66.1% | Added |
| Allianz Asset Management GmbH | 11,900 | $272.8K | 0.00% | 00.0% | Unchanged |
| Man Group plc | – | $256.8K | 0.00% | – | New |
| ProShare Advisors LLC | 10,395 | $238.3K | 0.00% | +34+0.3% | Added |
| Handelsbanken Fonder AB | 8,821 | $202.0K | 0.00% | +8,821 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,775 | $201.2K | 0.00% | −174−1.9% | Reduced |
| Amalgamated Bank | 7,789 | $179.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 7,688 | $176.0K | 0.00% | −297−3.7% | Reduced |
| Ameritas Investment Partners, Inc. | 5,067 | $116.2K | 0.00% | +825+19.4% | Added |
| Texas Treasury Safekeeping Trust Co | 4,230 | $97.0K | 0.02% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 4,146 | $95.0K | 0.00% | +4,146 | New |
| Great West Life Assurance Co | 3,547 | $81.0K | 0.00% | +1,184+50.1% | Added |
| Aquatic Capital Management LLC | 3,100 | $71.0K | 0.00% | +3,100 | New |
| Metropolitan Life Insurance Co | 2,968 | $68.0K | 0.00% | +157+5.6% | Added |
| Allspring Global Investments Holdings, LLC | 2,260 | $51.8K | 0.00% | +1,620+253.1% | Added |
| China Universal Asset Management Co., Ltd. | 1,458 | $33.4K | 0.01% | +713+95.7% | Added |
| Tower Research Capital LLC (TRC) | 944 | $21.6K | 0.00% | −2,806−74.8% | Reduced |
| KBC Group NV | 811 | $19.0K | 0.00% | +811 | New |
| Nisa Investment Advisors, LLC | 656 | $15.0K | 0.00% | +620+1,722.2% | Added |
| Focused Wealth Management, Inc | 300 | $6.88K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 227 | $5.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 207 | $5.00K | 0.00% | +7+3.5% | Added |
| Truvestments Capital LLC | 216 | $4.95K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 209 | $4.79K | 0.00% | −40−16.1% | Reduced |
| Signaturefd, LLC | 204 | $4.68K | 0.00% | −23−10.1% | Reduced |
| US Bancorp | 110 | $2.52K | 0.00% | −953−89.7% | Reduced |
| Headinvest, LLC | 110 | $2.43K | 0.00% | +110 | New |
| Private Trust Co NA | 82 | $1.88K | 0.00% | +82 | New |
| Newbridge Financial Services Group, Inc. | 65 | $1.49K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 59 | $1.35K | 0.00% | +59 | New |
| Global Retirement Partners, LLC | 28 | $599 | 0.00% | +28 | New |
| Bell Investment Advisors, Inc | 19 | $436 | 0.00% | +19 | New |
| Allworth Financial LP | 5 | $115 | 0.00% | +5 | New |
| GWM Advisors LLC | 5 | $115 | 0.00% | +5 | New |
| Covestor Ltd | 7 | $0 | 0.00% | +7 | New |
| Braidwell LP | 0 | $0 | 0.00% | −843,087−100.0% | Sold out |
| Great Point Partners LLC | 0 | $0 | 0.00% | −772,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −395,541−100.0% | Sold out |
| Kynam Capital Management, LP | 0 | $0 | 0.00% | −92,602−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −38,600−100.0% | Sold out |
| Utah Retirement Systems | 0 | $0 | 0.00% | −28,197−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −25,395−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −13,948−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −13,188−100.0% | Sold out |
| HarbourVest Partners LLC | 0 | $0 | 0.00% | −5,639−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Beaird Harris Wealth Management, LLC | 0 | $0 | 0.00% | −49−100.0% | Sold out |