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, Q1 2024
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Mar 31, 2024. 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
- 167
- −2 vs. Q4 2023
- Shares held
- 68.0M
- +1.33M (+2.0%) vs. Q4 2023
- Total value
- $2.95B
- −$119.7M (−3.9%) vs. Q4 2023
- New holders
- 25
- 63 more added
- Sold out
- 27
- 54 more reduced
Compare with Q4 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 | 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, Q1 2024
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 3 | $0 | 0.00% | −1−25.0% | Reduced |
| Parallel Advisors, LLC | 5 | $217 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 5 | $217 | 0.00% | +5 | New |
| Farther Finance Advisors, LLC | 9 | $384 | 0.00% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 10 | $433 | 0.00% | +10 | New |
| Allspring Global Investments Holdings, LLC | 20 | $867 | 0.00% | +20 | New |
| GAMMA Investing LLC | 28 | $1.21K | 0.00% | +15+115.4% | Added |
| Global Retirement Partners, LLC | 35 | $1.52K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 52 | $2.25K | 0.00% | −4−7.1% | Reduced |
| US Bancorp | 62 | $2.69K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 97 | $4.20K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 101 | $4.38K | 0.00% | +101 | New |
| Signaturefd, LLC | 213 | $9.23K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 216 | $9.36K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 227 | $10.0K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 271 | $11.7K | 0.00% | +271 | New |
| Russell Investments Group, Ltd. | 385 | $16.7K | 0.00% | +385 | New |
| CWM, LLC | 404 | $18.0K | 0.00% | +197+95.2% | Added |
| Tower Research Capital LLC (TRC) | 539 | $23.4K | 0.00% | −9,169−94.4% | Reduced |
| Advisor Group Holdings, Inc. | 728 | $31.5K | 0.00% | +519+248.3% | Added |
| Pacer Advisors, Inc. | 1,018 | $44.1K | 0.00% | +1,018 | New |
| Cutler Group LP | 1,100 | $47.0K | 0.02% | +600+120.0% | Added |
| KBC Group NV | 1,263 | $55.0K | 0.00% | 00.0% | Unchanged |
| Tucker Asset Management LLC | 1,400 | $60.7K | 0.01% | +1,400 | New |
| Royal Bank of Canada | 1,444 | $63.0K | 0.00% | −14,688−91.0% | Reduced |
| Fernwood Investment Management, LLC | 1,554 | $67.3K | 0.02% | +1,554 | New |
| Lazard Asset Management LLC | 1,733 | $75.0K | 0.00% | −124−6.7% | Reduced |
| Amalgamated Bank | 1,815 | $79.0K | 0.00% | −5,458−75.0% | Reduced |
| ZRC Wealth Management, LLC | 1,971 | $85.4K | 0.04% | +1,571+392.8% | Added |
| Whittier Trust Co | 2,000 | $86.6K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,812 | $121.8K | 0.01% | −156−5.3% | Reduced |
| Quantbot Technologies LP | 3,600 | $156.0K | 0.01% | −4,400−55.0% | Reduced |
| Citadel Advisors LLC | 4,098 | $177.6K | 0.00% | −109,817−96.4% | Reduced |
| Texas Treasury Safekeeping Trust Co | 4,230 | $183.0K | 0.01% | 00.0% | Unchanged |
| Group One Trading, L.P. | 4,275 | $185.2K | 0.01% | +4,275 | New |
| Great West Life Assurance Co | 4,796 | $208.0K | 0.00% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 5,445 | $217.8K | 0.01% | +5,445 | New |
| Ameritas Investment Partners, Inc. | 5,318 | $230.4K | 0.01% | 00.0% | Unchanged |
| Jasper Ridge Partners, L.P. | 5,639 | $244.3K | 0.01% | 00.0% | Unchanged |
| Natixis | 6,050 | $262.1K | 0.00% | −74,450−92.5% | Reduced |
| Public Employees Retirement Association of Colorado | 6,249 | $271.0K | 0.00% | −662−9.6% | Reduced |
| Aigen Investment Management, LP | 6,479 | $280.7K | 0.06% | +6,479 | New |
| Capstone Investment Advisors, LLC | 6,738 | $292.0K | 0.01% | +6,738 | New |
| LPL Financial LLC | 6,807 | $294.9K | 0.00% | −50−0.7% | Reduced |
| Principal Financial Group Inc | 7,180 | $311.1K | 0.00% | +1,227+20.6% | Added |
| Allianz Asset Management GmbH | 7,400 | $320.6K | 0.00% | −4,500−37.8% | Reduced |
| SG Americas Securities, LLC | 7,513 | $326.0K | 0.00% | +13+0.2% | Added |
| Aquatic Capital Management LLC | 8,600 | $372.6K | 0.01% | +8,600 | New |
| Virtus ETF Advisers LLC | 8,874 | $384.5K | 0.20% | +1,277+16.8% | Added |
| Omers Administration Corp | 9,000 | $390.0K | 0.00% | +9,000 | New |
| Allianz SE | 9,080 | $393.4K | 0.01% | +9,080 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,118 | $395.1K | 0.00% | −63−0.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 9,675 | $419.2K | 0.00% | −55,869−85.2% | Reduced |
| E Fund Management Co., Ltd. | 10,333 | $447.7K | 0.03% | +3,800+58.2% | Added |
| D. E. Shaw & Co., Inc. | 10,462 | $453.3K | 0.00% | −118,030−91.9% | Reduced |
| Teacher Retirement System of Texas | 10,521 | $456.0K | 0.00% | −13−0.1% | Reduced |
| Prelude Capital Management, LLC | 10,706 | $463.9K | 0.03% | −6,700−38.5% | Reduced |
| Gotham Asset Management, LLC | 11,103 | $481.1K | 0.01% | −7,370−39.9% | Reduced |
| SEI Investments Co | 11,470 | $497.0K | 0.00% | +5,296+85.8% | Added |
| China Universal Asset Management Co., Ltd. | 11,561 | $500.9K | 0.06% | +4,724+69.1% | Added |
| ADAR1 Capital Management, LLC | 12,400 | $537.3K | 0.15% | +12,400 | New |
| Bellevue Group AG | 12,500 | $541.6K | 0.01% | −20,369−62.0% | Reduced |
| Arizona State Retirement System | 12,993 | $563.0K | 0.00% | +267+2.1% | Added |
| Tudor Investment Corp Et Al | 13,355 | $578.7K | 0.01% | +8,455+172.6% | Added |
| STRS Ohio | 13,600 | $589.0K | 0.00% | +10,600+353.3% | Added |
| ProShare Advisors LLC | 13,808 | $598.3K | 0.00% | +1,527+12.4% | Added |
| HighVista Strategies LLC | 14,362 | $622.3K | 0.22% | 00.0% | Unchanged |
| Parkwood LLC | 15,033 | $651.0K | 0.07% | +4,835+47.4% | Added |
| Victory Capital Management Inc | 15,085 | $653.6K | 0.00% | −167,212−91.7% | Reduced |
| Bayesian Capital Management, LP | 15,355 | $665.3K | 0.06% | +15,355 | New |
| Handelsbanken Fonder AB | 15,921 | $690.0K | 0.00% | +3,600+29.2% | Added |
| Campbell & CO Investment Adviser LLC | 16,331 | $707.6K | 0.06% | +5,589+52.0% | Added |
| Ensign Peak Advisors, Inc | 17,659 | $765.2K | 0.00% | −891−4.8% | Reduced |
| Marshall Wace, LLP | 19,750 | $855.8K | 0.00% | +19,750 | New |
| Fiduciary Trust Co | 20,000 | $866.6K | 0.01% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 20,980 | $909.1K | 0.00% | 00.0% | Unchanged |
| Twinbeech Capital LP | 22,714 | $984.2K | 0.02% | +22,714 | New |
| Harbor Capital Advisors, Inc. | 22,781 | $987.0K | 0.13% | +22,781 | New |
| Jane Street Group, LLC | 26,318 | $1.14M | 0.00% | −158,041−85.7% | Reduced |
| American International Group, Inc. | 26,318 | $1.14M | 0.00% | +781+3.1% | Added |
| Graham Capital Management, L.P. | 26,436 | $1.15M | 0.03% | +26,436 | New |
| Wells Fargo & Company | 26,985 | $1.17M | 0.00% | −12,774−32.1% | Reduced |
| MetLife Investment Management | 27,123 | $1.18M | 0.01% | 00.0% | Unchanged |
| TD Asset Management Inc | 27,600 | $1.20M | 0.00% | −10,200−27.0% | Reduced |
| Stifel Financial Corp | 27,937 | $1.21M | 0.00% | −2,688−8.8% | Reduced |
| Deutsche Bank AG | 28,159 | $1.22M | 0.00% | +1,111+4.1% | Added |
| FMR LLC | 29,020 | $1.26M | 0.00% | −500,110−94.5% | Reduced |
| New York State Common Retirement Fund | 32,811 | $1.42M | 0.00% | −63−0.2% | Reduced |
| Comerica Bank | 33,118 | $1.44M | 0.01% | −933−2.7% | Reduced |
| State of Wisconsin Investment Board | 33,304 | $1.44M | 0.00% | −4,110−11.0% | Reduced |
| Profund Advisors LLC | 34,281 | $1.49M | 0.06% | +13,790+67.3% | Added |
| Atom Investors LP | 41,276 | $1.79M | 0.22% | +16,345+65.6% | Added |
| Alps Advisors Inc | 42,419 | $1.84M | 0.01% | +2,204+5.5% | Added |
| Credit Suisse AG | 43,164 | $1.87M | 0.00% | +1,152+2.7% | Added |
| Exome Asset Management LLC | 45,603 | $1.98M | 1.69% | −26,600−36.8% | Reduced |
| Legal & General Group Plc | 47,416 | $2.05M | 0.00% | +588+1.3% | Added |
| Manufacturers Life Insurance Company, The | 47,624 | $2.06M | 0.00% | +8,386+21.4% | Added |
| California State Teachers Retirement System | 47,894 | $2.08M | 0.00% | −1,103−2.3% | Reduced |
| Nan Fung Group Holdings Ltd | 49,120 | $2.13M | 1.97% | +9,050+22.6% | Added |
| Norges Bank | 50,870 | $2.20M | 0.00% | +50,870 | New |