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, Q4 2021
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Dec 31, 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
- 98
- +1 vs. Q3 2021
- Shares held
- 48.5M
- +497.7K (+1.0%) vs. Q3 2021
- Total value
- $483.6M
- −$142.8M (−22.8%) vs. Q3 2021
- New holders
- 13
- 39 more added
- Sold out
- 12
- 29 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parallel Advisors, LLC | 50 | $0 | 0.00% | −131−72.4% | Reduced |
| Ellevest, Inc. | 10 | $0 | 0.00% | +10 | New |
| Beaird Harris Wealth Management, LLC | 49 | $0 | 0.00% | +49 | New |
| Signaturefd, LLC | 111 | $1.00K | 0.00% | −1,853−94.3% | Reduced |
| Newbridge Financial Services Group, Inc. | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 83 | $1.00K | 0.00% | +83 | New |
| Advisor Group Holdings, Inc. | 210 | $2.00K | 0.00% | −600−74.1% | Reduced |
| Group One Trading, L.P. | 241 | $2.00K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 208 | $2.00K | 0.00% | −11−5.0% | Reduced |
| Daiwa Securities Group Inc. | 172 | $2.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 200 | $2.00K | 0.00% | +200 | New |
| The PNC Financial Services Group, Inc. | 350 | $3.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 251 | $3.00K | 0.00% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 1,060 | $10.6K | 0.00% | 00.0% | Unchanged |
| FourThought Financial, LLC | 2,159 | $22.0K | 0.00% | +1,589+278.8% | Added |
| Great West Life Assurance Co | 2,363 | $23.0K | 0.00% | 00.0% | Unchanged |
| Sierra Capital LLC | 2,400 | $24.0K | 0.00% | −1,200−33.3% | Reduced |
| Tower Research Capital LLC (TRC) | 2,518 | $25.0K | 0.00% | −679−21.2% | Reduced |
| Nisa Investment Advisors, LLC | 3,600 | $27.0K | 0.00% | +3,050+554.5% | Added |
| US Bancorp | 3,164 | $32.0K | 0.00% | +3,068+3,195.8% | Added |
| Simplex Trading, LLC | 3,348 | $33.0K | 0.00% | −1,056−24.0% | Reduced |
| Ameritas Investment Partners, Inc. | 3,454 | $34.0K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 4,000 | $40.0K | 0.08% | +4,000 | New |
| Ensign Peak Advisors, Inc | 5,090 | $51.0K | 0.00% | +5,090 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,398 | $54.0K | 0.00% | −173−3.1% | Reduced |
| Metropolitan Life Insurance Co | 7,534 | $75.2K | 0.00% | −1,259−14.3% | Reduced |
| Exane Derivatives | 7,886 | $78.7K | 0.02% | +7,886 | New |
| Macquarie Group Ltd | 8,155 | $81.0K | 0.00% | +464+6.0% | Added |
| Royal Bank of Canada | 8,531 | $85.0K | 0.00% | +3,951+86.3% | Added |
| Legal & General Group Plc | 13,263 | $132.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 13,990 | $140.0K | 0.00% | +146+1.1% | Added |
| Cubist Systematic Strategies, LLC | 14,661 | $146.0K | 0.00% | +14,661 | New |
| MetLife Investment Management | 15,372 | $153.4K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 15,475 | $154.0K | 0.00% | +3,874+33.4% | Added |
| Parametric Portfolio Associates LLC | 16,190 | $162.0K | 0.00% | −2,660−14.1% | Reduced |
| ProShare Advisors LLC | 16,707 | $168.0K | 0.00% | +332+2.0% | Added |
| Hantz Financial Services, Inc. | 16,869 | $168.0K | 0.00% | +10,986+186.7% | Added |
| Voya Investment Management LLC | 17,216 | $172.0K | 0.00% | −43−0.2% | Reduced |
| Virtus ETF Advisers LLC | 17,290 | $173.0K | 0.07% | +7,061+69.0% | Added |
| Engineers Gate Manager LP | 20,633 | $206.0K | 0.01% | +20,633 | New |
| Wells Fargo & Company | 21,143 | $210.0K | 0.00% | +18,930+855.4% | Added |
| JPMorgan Chase & Co | 22,280 | $223.0K | 0.00% | −221−1.0% | Reduced |
| American International Group, Inc. | 23,411 | $234.0K | 0.00% | −700−2.9% | Reduced |
| Invesco Ltd. | 24,248 | $243.0K | 0.00% | −3,085−11.3% | Reduced |
| Manufacturers Life Insurance Company, The | 24,695 | $246.0K | 0.00% | +272+1.1% | Added |
| HRT Financial LP | 25,918 | $258.0K | 0.00% | +25,918 | New |
| Deutsche Bank AG | 26,754 | $267.0K | 0.00% | +115+0.4% | Added |
| ACT Capital Management, LLC | 27,500 | $274.0K | 0.20% | −3,500−11.3% | Reduced |
| Credit Suisse AG | 28,417 | $283.0K | 0.00% | +2,837+11.1% | Added |
| UBS Asset Management Americas Inc | 29,431 | $293.7K | 0.00% | +4,216+16.7% | Added |
| Tudor Investment Corp Et Al | 29,478 | $294.0K | 0.01% | +29,478 | New |
| New York State Common Retirement Fund | 30,576 | $305.0K | 0.00% | −4,589−13.0% | Reduced |
| BNP Paribas Arbitrage, SA | 37,374 | $373.0K | 0.00% | +26,466+242.6% | Added |
| Alliancebernstein L.P. | 44,800 | $447.0K | 0.00% | +3,200+7.7% | Added |
| Prudential Financial Inc | 46,400 | $463.0K | 0.00% | +23,648+103.9% | Added |
| State of Wisconsin Investment Board | 48,400 | $483.0K | 0.00% | 00.0% | Unchanged |
| Norges Bank | 51,161 | $511.0K | 0.00% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 52,212 | $521.0K | 0.03% | +3,262+6.7% | Added |
| Barclays PLC | 53,469 | $533.0K | 0.00% | +18,175+51.5% | Added |
| California State Teachers Retirement System | 53,489 | $534.0K | 0.00% | +997+1.9% | Added |
| Caxton Associates LP | 59,397 | $593.0K | 0.08% | +59,397 | New |
| Rhumbline Advisers | 60,537 | $604.0K | 0.00% | −750−1.2% | Reduced |
| Susquehanna International Group, LLP | 64,468 | $643.0K | 0.00% | +11,265+21.2% | Added |
| Stifel Financial Corp | 73,913 | $738.0K | 0.00% | −60,673−45.1% | Reduced |
| Swiss National Bank | 77,700 | $775.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 91,659 | $915.0K | 0.01% | −17,644−16.1% | Reduced |
| Citigroup Inc | 96,017 | $958.0K | 0.00% | +36,291+60.8% | Added |
| UBS Group AG | 103,580 | $1.03M | 0.00% | +22,610+27.9% | Added |
| Rafferty Asset Management, LLC | 111,594 | $1.11M | 0.01% | +28,740+34.7% | Added |
| Bank of America Corp | 122,635 | $1.22M | 0.00% | −81,828−40.0% | Reduced |
| Rice Hall James & Associates, LLC | 127,546 | $1.27M | 0.05% | −22,174−14.8% | Reduced |
| Bank of New York Mellon Corp | 156,918 | $1.57M | 0.00% | +495+0.3% | Added |
| Dimensional Fund Advisors LP | 158,869 | $1.59M | 0.00% | −21,576−12.0% | Reduced |
| Endurant Capital Management LP | 197,462 | $1.97M | 0.53% | +197,462 | New |
| Nuveen Asset Management, LLC | 202,378 | $2.02M | 0.00% | −11,604−5.4% | Reduced |
| Morgan Stanley | 268,363 | $2.68M | 0.00% | +62,897+30.6% | Added |
| Charles Schwab Investment Management Inc | 289,106 | $2.89M | 0.00% | +22,744+8.5% | Added |
| Millennium Management LLC | 313,704 | $3.13M | 0.00% | +96,780+44.6% | Added |
| Samsara BioCapital, LLC | 345,293 | $3.45M | 0.69% | +45,000+15.0% | Added |
| Northern Trust Corp | 429,071 | $4.28M | 0.00% | +8,637+2.1% | Added |
| FMR LLC | 546,320 | $5.45M | 0.00% | +463,042+556.0% | Added |
| Rock Springs Capital Management LP | 627,180 | $6.26M | 0.14% | +15,000+2.5% | Added |
| Assenagon Asset Management S.A. | 684,746 | $6.83M | 0.03% | +182,476+36.3% | Added |
| Geode Capital Management, LLC | 714,028 | $7.13M | 0.00% | +46,370+6.9% | Added |
| Wellington Management Group LLP | 745,883 | $7.44M | 0.00% | −100,069−11.8% | Reduced |
| MPM Asset Management LLC | 909,258 | $9.07M | 1.96% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,536,872 | $15.3M | 0.01% | +1,368,789+814.4% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,867,467 | $18.6M | 0.39% | −122,158−6.1% | Reduced |
| State Street Corp | 1,931,090 | $19.3M | 0.00% | −293,627−13.2% | Reduced |
| Vanguard Group Inc | 2,323,521 | $23.2M | 0.00% | +10,443+0.5% | Added |
| Federated Hermes, Inc. | 2,803,335 | $28.0M | 0.05% | −207,718−6.9% | Reduced |
| Goldman Sachs Group Inc | 3,096,548 | $30.9M | 0.01% | +191,229+6.6% | Added |
| Janus Henderson Group PLC | 3,133,935 | $31.3M | 0.01% | −48,447−1.5% | Reduced |
| BlackRock Inc. | 3,328,061 | $33.2M | 0.00% | −33,925−1.0% | Reduced |
| Baker Bros. Advisors LP | 3,863,239 | $38.6M | 0.19% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 4,871,067 | $48.6M | 0.86% | 00.0% | Unchanged |
| NEA Management Company, LLC | 4,912,306 | $49.0M | 0.99% | 00.0% | Unchanged |
| Primecap Management Co | 6,256,991 | $62.4M | 0.04% | +75,900+1.2% | Added |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −1,496,424−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −49,845−100.0% | Sold out |