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 |
|---|---|---|---|---|---|
| Captrust Financial Advisors | 19 | $0 | 0.00% | −12−38.7% | Reduced |
| US Bancorp | 96 | $1.00K | 0.00% | −40−29.4% | Reduced |
| Newbridge Financial Services Group, Inc. | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 200 | $2.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 172 | $2.00K | 0.00% | +74+75.5% | Added |
| Parallel Advisors, LLC | 181 | $2.00K | 0.00% | +181 | New |
| Group One Trading, L.P. | 241 | $3.00K | 0.00% | −733−75.3% | Reduced |
| Evolution Wealth Advisors, LLC | 213 | $3.00K | 0.00% | −325−60.4% | Reduced |
| State of Wyoming | 219 | $3.00K | 0.00% | −73−25.0% | Reduced |
| Bessemer Group Inc | 251 | $3.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 350 | $5.00K | 0.00% | −9−2.5% | Reduced |
| Nisa Investment Advisors, LLC | 550 | $7.00K | 0.00% | 00.0% | Unchanged |
| FourThought Financial, LLC | 570 | $7.00K | 0.00% | +570 | New |
| Advisor Group Holdings, Inc. | 810 | $11.0K | 0.00% | −105−11.5% | Reduced |
| Koshinski Asset Management, Inc. | 1,060 | $13.8K | 0.00% | +1,060 | New |
| Penserra Capital Management LLC | 1,145 | $14.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,964 | $26.0K | 0.00% | +1,464+292.8% | Added |
| Wells Fargo & Company | 2,213 | $29.0K | 0.00% | −7,558−77.4% | Reduced |
| Great West Life Assurance Co | 2,363 | $31.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,197 | $41.0K | 0.00% | −538−14.4% | Reduced |
| Ameritas Investment Partners, Inc. | 3,454 | $45.0K | 0.00% | 00.0% | Unchanged |
| Sierra Capital LLC | 3,600 | $47.0K | 0.01% | 00.0% | Unchanged |
| Royal Bank of Canada | 4,580 | $60.0K | 0.00% | +363+8.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,571 | $73.0K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 5,883 | $77.0K | 0.00% | +5,883 | New |
| Simplex Trading, LLC | 4,404 | $91.0K | 0.00% | −800−15.4% | Reduced |
| Macquarie Group Ltd | 7,691 | $100.0K | 0.00% | +5,761+298.5% | Added |
| Metropolitan Life Insurance Co | 8,793 | $114.8K | 0.00% | −3,657−29.4% | Reduced |
| AQR Capital Management LLC | 10,191 | $133.0K | 0.00% | +10,191 | New |
| Virtus ETF Advisers LLC | 10,229 | $134.0K | 0.06% | −536−5.0% | Reduced |
| BNP Paribas Arbitrage, SA | 10,908 | $142.5K | 0.00% | +5,611+105.9% | Added |
| ExodusPoint Capital Management, LP | 11,601 | $152.0K | 0.00% | −3,343−22.4% | Reduced |
| DekaBank Deutsche Girozentrale | 12,000 | $157.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 13,263 | $173.0K | 0.00% | +6,811+105.6% | Added |
| State Board of Administration of Florida Retirement System | 13,844 | $181.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 15,372 | $200.8K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 15,453 | $202.0K | 0.00% | −7,771−33.5% | Reduced |
| ProShare Advisors LLC | 16,375 | $214.0K | 0.00% | −4,075−19.9% | Reduced |
| Price T Rowe Associates Inc | 16,712 | $218.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 17,259 | $225.0K | 0.00% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 18,850 | $246.0K | 0.00% | −6,405−25.4% | Reduced |
| Two Sigma Investments, LP | 22,306 | $291.0K | 0.00% | −34,772−60.9% | Reduced |
| JPMorgan Chase & Co | 22,501 | $293.0K | 0.00% | +332+1.5% | Added |
| Prudential Financial Inc | 22,752 | $297.0K | 0.00% | −8,221−26.5% | Reduced |
| Winton Group Ltd | 24,048 | $314.0K | 0.02% | +7,185+42.6% | Added |
| American International Group, Inc. | 24,111 | $315.0K | 0.00% | −573−2.3% | Reduced |
| Manufacturers Life Insurance Company, The | 24,423 | $319.0K | 0.00% | −1,285−5.0% | Reduced |
| UBS Asset Management Americas Inc | 25,215 | $329.3K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 25,580 | $335.0K | 0.00% | +1,778+7.5% | Added |
| Deutsche Bank AG | 26,639 | $348.0K | 0.00% | −3,237−10.8% | Reduced |
| Invesco Ltd. | 27,333 | $357.0K | 0.00% | +2,025+8.0% | Added |
| ACT Capital Management, LLC | 31,000 | $405.0K | 0.21% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 35,165 | $459.0K | 0.00% | −4,942−12.3% | Reduced |
| Barclays PLC | 35,294 | $461.0K | 0.00% | +16,806+90.9% | Added |
| Alliancebernstein L.P. | 41,600 | $543.0K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 48,400 | $632.0K | 0.00% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 48,950 | $639.0K | 0.03% | +16,757+52.1% | Added |
| Walleye Capital LLC | 49,845 | $651.0K | 0.02% | +49,845 | New |
| Norges Bank | 51,161 | $668.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 52,492 | $686.0K | 0.00% | −8,247−13.6% | Reduced |
| Susquehanna International Group, LLP | 53,203 | $695.0K | 0.00% | +9,668+22.2% | Added |
| Citigroup Inc | 59,726 | $780.0K | 0.00% | −72,173−54.7% | Reduced |
| Rhumbline Advisers | 61,287 | $800.0K | 0.00% | +275+0.5% | Added |
| Swiss National Bank | 77,700 | $1.01M | 0.00% | +1,700+2.2% | Added |
| UBS Group AG | 80,970 | $1.06M | 0.00% | +851+1.1% | Added |
| Rafferty Asset Management, LLC | 82,854 | $1.08M | 0.01% | −167−0.2% | Reduced |
| FMR LLC | 83,278 | $1.09M | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 109,303 | $1.43M | 0.01% | +27,435+33.5% | Added |
| Stifel Financial Corp | 134,586 | $1.76M | 0.00% | −46,828−25.8% | Reduced |
| Rice Hall James & Associates, LLC | 149,720 | $1.96M | 0.07% | +5,726+4.0% | Added |
| Bank of New York Mellon Corp | 156,423 | $2.04M | 0.00% | +16,391+11.7% | Added |
| Franklin Resources Inc | 168,083 | $2.19M | 0.00% | +168,083 | New |
| Dimensional Fund Advisors LP | 180,445 | $2.36M | 0.00% | −109,825−37.8% | Reduced |
| Bank of America Corp | 204,463 | $2.67M | 0.00% | +84,785+70.8% | Added |
| Morgan Stanley | 205,466 | $2.68M | 0.00% | −241,140−54.0% | Reduced |
| Nuveen Asset Management, LLC | 213,982 | $2.79M | 0.00% | −36,274−14.5% | Reduced |
| Millennium Management LLC | 216,924 | $2.83M | 0.00% | +60,108+38.3% | Added |
| Charles Schwab Investment Management Inc | 266,362 | $3.48M | 0.00% | −1,269−0.5% | Reduced |
| Samsara BioCapital, LLC | 300,293 | $3.92M | 0.65% | 00.0% | Unchanged |
| Northern Trust Corp | 420,434 | $5.49M | 0.00% | −20,252−4.6% | Reduced |
| Assenagon Asset Management S.A. | 502,270 | $6.56M | 0.03% | +359,798+252.5% | Added |
| Rock Springs Capital Management LP | 612,180 | $8.00M | 0.17% | +5,900+1.0% | Added |
| Geode Capital Management, LLC | 667,658 | $8.72M | 0.00% | −17,245−2.5% | Reduced |
| Wellington Management Group LLP | 845,952 | $11.0M | 0.00% | −450,129−34.7% | Reduced |
| MPM Asset Management LLC | 909,258 | $11.9M | 2.75% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 1,496,424 | $19.5M | 0.10% | +7,301+0.5% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,989,625 | $26.0M | 0.51% | 00.0% | Unchanged |
| State Street Corp | 2,224,717 | $29.1M | 0.00% | +45,630+2.1% | Added |
| Vanguard Group Inc | 2,313,078 | $30.2M | 0.00% | +55,656+2.5% | Added |
| Goldman Sachs Group Inc | 2,905,319 | $37.9M | 0.01% | +1,837,108+172.0% | Added |
| Federated Hermes, Inc. | 3,011,053 | $39.3M | 0.07% | −4,158−0.1% | Reduced |
| Janus Henderson Group PLC | 3,182,382 | $41.6M | 0.02% | −743,668−18.9% | Reduced |
| BlackRock Inc. | 3,361,986 | $43.9M | 0.00% | +26,325+0.8% | Added |
| Baker Bros. Advisors LP | 3,863,239 | $50.5M | 0.22% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 4,871,067 | $63.6M | 0.88% | 00.0% | Unchanged |
| NEA Management Company, LLC | 4,912,306 | $64.2M | 0.80% | 00.0% | Unchanged |
| Primecap Management Co | 6,181,091 | $80.7M | 0.06% | +27,400+0.4% | Added |
| Bank of Montreal | 0 | $0 | 0.00% | −151,446−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −104,840−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −84,044−100.0% | Sold out |