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, Q2 2021
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Jun 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
- 105
- −19 vs. Q1 2021
- Shares held
- 47.5M
- −91.7K (−0.2%) vs. Q1 2021
- Total value
- $905.6M
- −$106.4M (−10.5%) vs. Q1 2021
- New holders
- 7
- 42 more added
- Sold out
- 26
- 33 more reduced
Compare with Q1 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 | 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, Q2 2021
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Berman Capital Advisors, LLC | 42 | $0 | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 31 | $1.00K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 98 | $2.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 136 | $3.00K | 0.00% | −358−72.5% | Reduced |
| Geneos Wealth Management Inc. | 200 | $4.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 251 | $5.00K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 292 | $6.00K | 0.00% | +201+220.9% | Added |
| The PNC Financial Services Group, Inc. | 359 | $7.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 500 | $10.0K | 0.00% | −168−25.1% | Reduced |
| Nisa Investment Advisors, LLC | 550 | $11.0K | 0.00% | 00.0% | Unchanged |
| Evolution Wealth Advisors, LLC | 538 | $11.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 915 | $18.0K | 0.00% | −80−8.0% | Reduced |
| Group One Trading, L.P. | 974 | $19.0K | 0.00% | −2,022−67.5% | Reduced |
| FORA Capital, LLC | 1,085 | $21.0K | 0.00% | +6+0.6% | Added |
| Penserra Capital Management LLC | 1,145 | $22.0K | 0.00% | +35+3.2% | Added |
| Macquarie Group Ltd | 1,930 | $38.0K | 0.00% | +1,463+313.3% | Added |
| Great West Life Assurance Co | 2,363 | $46.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,454 | $68.0K | 0.00% | +484+16.3% | Added |
| Sierra Capital LLC | 3,600 | $70.0K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,735 | $73.0K | 0.00% | +1,461+64.2% | Added |
| Retirement Group, LLC | 3,812 | $75.0K | 0.04% | 00.0% | Unchanged |
| Royal Bank of Canada | 4,217 | $83.0K | 0.00% | +402+10.5% | Added |
| Exane Derivatives | 5,167 | $100.1K | 0.02% | 00.0% | Unchanged |
| Simplex Trading, LLC | 5,204 | $101.0K | 0.00% | +488+10.3% | Added |
| BNP Paribas Arbitrage, SA | 5,297 | $103.7K | 0.00% | −9,437−64.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,571 | $109.0K | 0.00% | +69+1.3% | Added |
| Meeder Asset Management Inc | 6,078 | $119.0K | 0.01% | +6,078 | New |
| Legal & General Group Plc | 6,452 | $127.0K | 0.00% | −4−0.1% | Reduced |
| Cutler Group LP | 7,418 | $145.0K | 0.01% | −784−9.6% | Reduced |
| Wells Fargo & Company | 9,771 | $191.0K | 0.00% | −11,292−53.6% | Reduced |
| Virtus ETF Advisers LLC | 10,765 | $211.0K | 0.09% | +826+8.3% | Added |
| Principal Financial Group Inc | 11,364 | $223.0K | 0.00% | +1,562+15.9% | Added |
| DekaBank Deutsche Girozentrale | 12,000 | $239.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 12,450 | $243.8K | 0.00% | +2,835+29.5% | Added |
| State Board of Administration of Florida Retirement System | 13,844 | $271.0K | 0.00% | +13,844 | New |
| ExodusPoint Capital Management, LP | 14,944 | $293.0K | 0.00% | +14,944 | New |
| MetLife Investment Management | 15,372 | $301.0K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 16,712 | $327.0K | 0.00% | +1,247+8.1% | Added |
| Winton Group Ltd | 16,863 | $330.0K | 0.02% | +16,863 | New |
| Voya Investment Management LLC | 17,259 | $338.0K | 0.00% | +1,228+7.7% | Added |
| Barclays PLC | 18,488 | $363.0K | 0.00% | −55,795−75.1% | Reduced |
| ProShare Advisors LLC | 20,450 | $400.0K | 0.00% | +3,454+20.3% | Added |
| Squarepoint Ops LLC | 20,611 | $404.0K | 0.00% | −50,933−71.2% | Reduced |
| JPMorgan Chase & Co | 22,169 | $434.0K | 0.00% | −57,656−72.2% | Reduced |
| Qube Research & Technologies Ltd | 23,224 | $455.0K | 0.01% | −3,452−12.9% | Reduced |
| Credit Suisse AG | 23,802 | $467.0K | 0.00% | −1,654−6.5% | Reduced |
| American International Group, Inc. | 24,684 | $483.0K | 0.00% | +2,472+11.1% | Added |
| UBS Asset Management Americas Inc | 25,215 | $493.7K | 0.00% | +14,719+140.2% | Added |
| Parametric Portfolio Associates LLC | 25,255 | $494.0K | 0.00% | −17,300−40.7% | Reduced |
| Invesco Ltd. | 25,308 | $495.0K | 0.00% | +8,101+47.1% | Added |
| Manufacturers Life Insurance Company, The | 25,708 | $503.0K | 0.00% | +3,686+16.7% | Added |
| Deutsche Bank AG | 29,876 | $585.0K | 0.00% | −9,353−23.8% | Reduced |
| Prudential Financial Inc | 30,973 | $607.0K | 0.00% | +30,973 | New |
| ACT Capital Management, LLC | 31,000 | $607.0K | 0.31% | +31,000 | New |
| Hennion & Walsh Asset Management, Inc. | 32,193 | $630.0K | 0.03% | +505+1.6% | Added |
| Citadel Advisors LLC | 32,574 | $638.0K | 0.00% | −86,134−72.6% | Reduced |
| New York State Common Retirement Fund | 40,107 | $785.0K | 0.00% | +5,102+14.6% | Added |
| Brandywine Global Investment Management, LLC | 40,663 | $796.0K | 0.01% | −2,600−6.0% | Reduced |
| Ensign Peak Advisors, Inc | 40,891 | $801.0K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 41,600 | $815.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 43,535 | $852.0K | 0.00% | −80,202−64.8% | Reduced |
| State of Wisconsin Investment Board | 48,400 | $948.0K | 0.00% | 00.0% | Unchanged |
| Norges Bank | 51,161 | $1.00M | 0.00% | −13,947−21.4% | Reduced |
| Renaissance Technologies LLC | 52,200 | $1.02M | 0.00% | +3,200+6.5% | Added |
| Two Sigma Investments, LP | 57,078 | $1.12M | 0.00% | −237,582−80.6% | Reduced |
| California State Teachers Retirement System | 60,739 | $1.19M | 0.00% | +3,254+5.7% | Added |
| Rhumbline Advisers | 61,012 | $1.20M | 0.00% | +20,857+51.9% | Added |
| Swiss National Bank | 76,000 | $1.49M | 0.00% | −2,700−3.4% | Reduced |
| UBS Group AG | 80,119 | $1.57M | 0.00% | −46,731−36.8% | Reduced |
| SG Americas Securities, LLC | 81,868 | $1.60M | 0.01% | −4,916−5.7% | Reduced |
| Rafferty Asset Management, LLC | 83,021 | $1.63M | 0.01% | −38,646−31.8% | Reduced |
| FMR LLC | 83,278 | $1.63M | 0.00% | 00.0% | Unchanged |
| Caas Capital Management LP | 84,044 | $1.65M | 0.09% | −533,551−86.4% | Reduced |
| Altium Capital Management LP | 104,840 | $2.05M | 0.48% | −118,160−53.0% | Reduced |
| Bank of America Corp | 119,678 | $2.34M | 0.00% | +13,236+12.4% | Added |
| Citigroup Inc | 131,899 | $2.58M | 0.00% | −20,529−13.5% | Reduced |
| Bank of New York Mellon Corp | 140,032 | $2.74M | 0.00% | +3,878+2.8% | Added |
| Assenagon Asset Management S.A. | 142,472 | $2.79M | 0.01% | +142,472 | New |
| Rice Hall James & Associates, LLC | 143,994 | $2.82M | 0.10% | +79,733+124.1% | Added |
| Millennium Management LLC | 156,816 | $3.07M | 0.00% | −13,711−8.0% | Reduced |
| Bank of Montreal | 151,446 | $3.09M | 0.00% | +148,982+6,046.3% | Added |
| Stifel Financial Corp | 181,414 | $3.55M | 0.01% | +64,181+54.7% | Added |
| Nuveen Asset Management, LLC | 250,256 | $4.90M | 0.00% | +96,987+63.3% | Added |
| Charles Schwab Investment Management Inc | 267,631 | $5.24M | 0.00% | +15,409+6.1% | Added |
| Dimensional Fund Advisors LP | 290,270 | $5.68M | 0.00% | −18,303−5.9% | Reduced |
| Samsara BioCapital, LLC | 300,293 | $5.88M | 0.77% | +99,247+49.4% | Added |
| Northern Trust Corp | 440,686 | $8.63M | 0.00% | +5,726+1.3% | Added |
| Morgan Stanley | 446,606 | $8.74M | 0.00% | +345,757+342.8% | Added |
| Rock Springs Capital Management LP | 606,280 | $11.9M | 0.24% | +7,000+1.2% | Added |
| Geode Capital Management, LLC | 684,903 | $13.4M | 0.00% | +61,341+9.8% | Added |
| MPM Asset Management LLC | 909,258 | $17.8M | 3.31% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 1,068,211 | $20.9M | 0.01% | +409,057+62.1% | Added |
| Wellington Management Group LLP | 1,296,081 | $25.4M | 0.00% | +280,779+27.7% | Added |
| Gilder Gagnon Howe & Co LLC | 1,489,123 | $29.2M | 0.14% | −34,111−2.2% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 1,989,625 | $39.0M | 0.69% | 00.0% | Unchanged |
| State Street Corp | 2,179,087 | $42.7M | 0.00% | −262,293−10.7% | Reduced |
| Vanguard Group Inc | 2,257,422 | $44.2M | 0.00% | +5,027+0.2% | Added |
| Federated Hermes, Inc. | 3,015,211 | $59.0M | 0.11% | −95,642−3.1% | Reduced |
| BlackRock Inc. | 3,335,661 | $65.3M | 0.00% | +190,301+6.1% | Added |