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 2022
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Sep 30, 2022. 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
- 101
- +13 vs. Q2 2022
- Shares held
- 59.5M
- +13.5M (+29.5%) vs. Q2 2022
- Total value
- $1.45B
- +$1.25B (+657.6%) vs. Q2 2022
- New holders
- 35
- 36 more added
- Sold out
- 22
- 19 more reduced
2 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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 2022
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Beaird Harris Wealth Management, LLC | 49 | $1.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 45 | $1.00K | 0.00% | +45 | New |
| Newbridge Financial Services Group, Inc. | 65 | $2.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 65 | $2.00K | 0.00% | +65 | New |
| Hantz Financial Services, Inc. | 115 | $3.00K | 0.00% | −22,171−99.5% | Reduced |
| Daiwa Securities Group Inc. | 172 | $4.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 200 | $5.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 209 | $5.00K | 0.00% | −1−0.5% | Reduced |
| Signaturefd, LLC | 204 | $5.00K | 0.00% | +204 | New |
| The PNC Financial Services Group, Inc. | 350 | $9.00K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 475 | $12.0K | 0.01% | +475 | New |
| Bank of Montreal | 567 | $14.0K | 0.00% | +567 | New |
| IFP Advisors, Inc | 600 | $20.0K | 0.00% | +600 | New |
| Cutler Group LP | 1,000 | $24.0K | 0.00% | −336−25.1% | Reduced |
| New York State Common Retirement Fund | 1,072 | $26.0K | 0.00% | +758+241.4% | Added |
| Denali Advisors LLC | 1,900 | $47.0K | 0.02% | +1,900 | New |
| Focused Wealth Management, Inc | 2,000 | $49.0K | 0.01% | +2,000 | New |
| Wells Fargo & Company | 2,174 | $54.0K | 0.00% | −6,754−75.6% | Reduced |
| JPMorgan Chase & Co | 2,211 | $54.0K | 0.00% | +1,770+401.4% | Added |
| Great West Life Assurance Co | 2,363 | $58.0K | 0.00% | 00.0% | Unchanged |
| Sierra Capital LLC | 2,400 | $59.0K | 0.01% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,188 | $152.0K | 0.00% | +2,446+65.4% | Added |
| Macquarie Group Ltd | 5,992 | $200.0K | 0.00% | −2,163−26.5% | Reduced |
| Tower Research Capital LLC (TRC) | 8,474 | $207.0K | 0.00% | +2,670+46.0% | Added |
| Gsa Capital Partners LLP | 9,092 | $223.0K | 0.03% | −14,055−60.7% | Reduced |
| Legal & General Group Plc | 9,768 | $239.0K | 0.00% | −2,479−20.2% | Reduced |
| Arizona State Retirement System | 10,271 | $252.0K | 0.00% | +41+0.4% | Added |
| Ensign Peak Advisors, Inc | 11,170 | $274.0K | 0.00% | −18,175−61.9% | Reduced |
| Allianz Asset Management GmbH | 11,900 | $292.0K | 0.00% | +11,900 | New |
| Teacher Retirement System of Texas | 12,369 | $303.0K | 0.00% | +12,369 | New |
| UBS Group AG | 12,635 | $309.0K | 0.00% | +5,128+68.3% | Added |
| Harvest Investment Services, LLC | 13,941 | $341.0K | 0.42% | +13,941 | New |
| LMR Partners LLP | 15,713 | $385.0K | 0.01% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 16,300 | $400.0K | 0.00% | +16,300 | New |
| ClariVest Asset Management LLC | 16,800 | $412.0K | 0.02% | +16,800 | New |
| E Fund Management Co., Ltd. | 18,035 | $442.0K | 0.04% | +18,035 | New |
| Ameriprise Financial Inc | 18,140 | $445.0K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 19,258 | $472.0K | 0.00% | +19,258 | New |
| Stifel Financial Corp | 19,580 | $480.0K | 0.00% | +619+3.3% | Added |
| Fred Alger Management, LLC | 20,286 | $497.0K | 0.00% | +20,286 | New |
| Raymond James & Associates | 22,600 | $554.0K | 0.00% | +22,600 | New |
| Driehaus Capital Management LLC | 22,993 | $563.0K | 0.01% | +22,993 | New |
| DekaBank Deutsche Girozentrale | 30,000 | $711.0K | 0.00% | +30,000 | New |
| UBS Asset Management Americas Inc | 29,937 | $733.5K | 0.00% | −24,886−45.4% | Reduced |
| Fiduciary Trust Co | 30,000 | $735.0K | 0.02% | +10,000+50.0% | Added |
| California State Teachers Retirement System | 32,520 | $797.0K | 0.00% | +574+1.8% | Added |
| Credit Suisse AG | 35,484 | $869.0K | 0.00% | +10,962+44.7% | Added |
| Candriam Luxembourg S.C.A. | 38,234 | $937.0K | 0.01% | +38,234 | New |
| State of Wisconsin Investment Board | 38,505 | $943.0K | 0.00% | −169,196−81.5% | Reduced |
| Stratos Wealth Partners, LTD. | 38,615 | $946.0K | 0.03% | +38,615 | New |
| Bank of New York Mellon Corp | 39,908 | $978.0K | 0.00% | +18,413+85.7% | Added |
| Nuveen Asset Management, LLC | 40,290 | $987.0K | 0.00% | −915−2.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 48,903 | $1.20M | 0.01% | +48,903 | New |
| Hennion & Walsh Asset Management, Inc. | 51,802 | $1.27M | 0.08% | −717−1.4% | Reduced |
| Citadel Advisors LLC | 55,835 | $1.37M | 0.00% | −112,223−66.8% | Reduced |
| Squarepoint Ops LLC | 57,994 | $1.42M | 0.01% | +13,830+31.3% | Added |
| Voya Investment Management LLC | 63,595 | $1.56M | 0.00% | +63,595 | New |
| Ghost Tree Capital, LLC | 65,000 | $1.59M | 0.65% | +65,000 | New |
| UBS Oconnor LLC | 72,375 | $1.77M | 0.02% | +72,375 | New |
| EAM Global Investors LLC | 78,976 | $1.94M | 0.51% | +78,976 | New |
| Prosight Management, LP | 80,000 | $1.96M | 1.08% | +80,000 | New |
| BNP Paribas Arbitrage, SA | 80,933 | $1.98M | 0.01% | +60,347+293.1% | Added |
| Tudor Investment Corp Et Al | 83,796 | $2.05M | 0.05% | −41,620−33.2% | Reduced |
| Swiss National Bank | 89,600 | $2.19M | 0.00% | +6,300+7.6% | Added |
| Cubist Systematic Strategies, LLC | 111,511 | $2.73M | 0.02% | +13,420+13.7% | Added |
| Northern Trust Corp | 114,109 | $2.80M | 0.00% | +2,860+2.6% | Added |
| Wellington Management Group LLP | 153,213 | $3.75M | 0.00% | +67,648+79.1% | Added |
| Barclays PLC | 164,353 | $4.03M | 0.00% | +155,063+1,669.1% | Added |
| Altium Capital Management LP | 170,000 | $4.17M | 1.57% | +170,000 | New |
| Rice Hall James & Associates, LLC | 170,357 | $4.17M | 0.24% | +11,357+7.1% | Added |
| D. E. Shaw & Co., Inc. | 183,069 | $4.49M | 0.01% | +146,577+401.7% | Added |
| Parkman Healthcare Partners LLC | 187,989 | $4.61M | 1.31% | +187,989 | New |
| Walleye Capital LLC | 191,373 | $4.69M | 0.11% | +191,373 | New |
| EAM Investors, LLC | 198,699 | $4.87M | 1.06% | +198,699 | New |
| Charles Schwab Investment Management Inc | 204,269 | $5.00M | 0.00% | +31,539+18.3% | Added |
| Susquehanna International Group, LLP | 214,522 | $5.26M | 0.01% | +150,261+233.8% | Added |
| Bank of America Corp | 218,409 | $5.35M | 0.00% | +169,297+344.7% | Added |
| Dimensional Fund Advisors LP | 223,131 | $5.47M | 0.00% | −30,110−11.9% | Reduced |
| Morgan Stanley | 230,197 | $5.64M | 0.00% | −200,550−46.6% | Reduced |
| Voloridge Investment Management, LLC | 243,408 | $5.96M | 0.03% | +243,408 | New |
| Rafferty Asset Management, LLC | 262,288 | $6.43M | 0.07% | +262,288 | New |
| Citigroup Inc | 272,187 | $6.67M | 0.01% | +269,921+11,911.8% | Added |
| Samsara BioCapital, LLC | 345,293 | $8.46M | 1.97% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 388,112 | $9.51M | 0.00% | −11,682−2.9% | Reduced |
| Assenagon Asset Management S.A. | 470,410 | $11.5M | 0.05% | −219,310−31.8% | Reduced |
| Polar Capital Holdings Plc | 714,739 | $17.5M | 0.14% | +714,739 | New |
| Opaleye Management Inc. | 810,000 | $19.8M | 8.20% | +448,000+123.8% | Added |
| FMR LLC | 1,370,948 | $33.6M | 0.00% | +813,954+146.1% | Added |
| Janus Henderson Group PLC | 1,561,083 | $38.2M | 0.03% | −518,994−25.0% | Reduced |
| Alkeon Capital Management LLC | 1,705,000 | $41.8M | 0.29% | +205,000+13.7% | Added |
| Rock Springs Capital Management LP | 1,760,865 | $43.1M | 1.11% | +357,567+25.5% | Added |
| Frazier Life Sciences Management, L.P. | 1,894,000 | $46.4M | 3.57% | +1,894,000 | New |
| Vanguard Group Inc | 2,234,272 | $54.7M | 0.00% | +84,546+3.9% | Added |
| State Street Corp | 3,127,905 | $76.6M | 0.00% | +2,876,846+1,145.9% | Added |
| BlackRock Inc. | 3,537,499 | $86.7M | 0.00% | +2,359,924+200.4% | Added |
| NEA Management Company, LLC | 4,912,306 | $108.3M | 5.41% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 4,777,178 | $117.0M | 0.03% | +1,616,792+51.2% | Added |
| Ra Capital Management, L.P. | 5,471,067 | $134.0M | 2.86% | +600,000+12.3% | Added |
| Baker Bros. Advisors LP | 6,062,702 | $148.5M | 0.97% | +1,937,640+47.0% | Added |
| Federated Hermes, Inc. | 6,306,866 | $154.5M | 0.45% | +1,911,266+43.5% | Added |