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 2022
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Dec 31, 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
- 115
- +14 vs. Q3 2022
- Shares held
- 62.3M
- +2.82M (+4.7%) vs. Q3 2022
- Total value
- $1.81B
- +$369.1M (+25.5%) vs. Q3 2022
- New holders
- 26
- 42 more added
- Sold out
- 12
- 28 more reduced
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| NewSquare Capital LLC | 20 | $582 | 0.00% | +20 | New |
| US Bancorp | 45 | $1.31K | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 49 | $1.43K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 65 | $1.89K | 0.00% | 00.0% | Unchanged |
| Vigilant Capital Management, LLC | 100 | $3.00K | 0.00% | +100 | New |
| Harbour Investments, Inc. | 148 | $4.31K | 0.00% | +148 | New |
| Royal Bank of Canada | 174 | $5.00K | 0.00% | +109+167.7% | Added |
| Signaturefd, LLC | 204 | $5.94K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 200 | $6.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 209 | $6.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 227 | $7.00K | 0.00% | +55+32.0% | Added |
| Focused Wealth Management, Inc | 300 | $8.74K | 0.00% | −1,700−85.0% | Reduced |
| The PNC Financial Services Group, Inc. | 350 | $10.2K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 572 | $16.7K | 0.01% | +97+20.4% | Added |
| Balyasny Asset Management LLC | 766 | $22.3K | 0.00% | +766 | New |
| New York State Common Retirement Fund | 1,072 | $31.2K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 2,228 | $64.9K | 0.02% | +2,228 | New |
| Great West Life Assurance Co | 2,363 | $69.0K | 0.00% | 00.0% | Unchanged |
| Sierra Capital LLC | 2,400 | $70.0K | 0.01% | 00.0% | Unchanged |
| Denali Advisors LLC | 3,200 | $93.2K | 0.04% | +1,300+68.4% | Added |
| Farther Finance Advisors, LLC | 3,812 | $111.0K | 0.04% | +3,812 | New |
| Simplex Trading, LLC | 5,581 | $162.0K | 0.01% | +5,581 | New |
| Deutsche Bank AG | 5,646 | $164.4K | 0.00% | +5,646 | New |
| Wells Fargo & Company | 6,743 | $196.4K | 0.00% | +4,569+210.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,879 | $200.3K | 0.00% | +691+11.2% | Added |
| 683 Capital Management, LLC | 6,960 | $202.7K | 0.02% | +6,960 | New |
| Gsa Capital Partners LLP | 7,451 | $217.0K | 0.03% | −1,641−18.0% | Reduced |
| Virginia Retirement Systems Et Al | 8,000 | $233.0K | 0.00% | +8,000 | New |
| American Century Companies Inc | 9,041 | $263.3K | 0.00% | +9,041 | New |
| Virtus ETF Advisers LLC | 10,221 | $297.6K | 0.16% | +10,221 | New |
| Arizona State Retirement System | 11,449 | $333.4K | 0.00% | +1,178+11.5% | Added |
| Mirabella Financial Services LLP | 11,489 | $334.6K | 0.03% | +11,489 | New |
| Allianz Asset Management GmbH | 11,900 | $346.5K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 12,034 | $350.0K | 0.00% | −335−2.7% | Reduced |
| Tower Research Capital LLC (TRC) | 13,750 | $400.0K | 0.02% | +5,276+62.3% | Added |
| Price T Rowe Associates Inc | 14,200 | $414.0K | 0.00% | −2,100−12.9% | Reduced |
| Legal & General Group Plc | 14,796 | $430.9K | 0.00% | +5,028+51.5% | Added |
| SEI Investments Co | 15,453 | $450.0K | 0.00% | −3,805−19.8% | Reduced |
| E Fund Management Co., Ltd. | 16,056 | $468.0K | 0.04% | −1,979−11.0% | Reduced |
| Cubist Systematic Strategies, LLC | 16,508 | $480.7K | 0.00% | −95,003−85.2% | Reduced |
| ClariVest Asset Management LLC | 16,500 | $481.0K | 0.02% | −300−1.8% | Reduced |
| Parkwood LLC | 17,546 | $511.0K | 0.10% | +17,546 | New |
| Ameriprise Financial Inc | 18,140 | $528.0K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 19,380 | $564.3K | 0.00% | −200−1.0% | Reduced |
| Campbell & CO Investment Adviser LLC | 19,535 | $568.9K | 0.14% | +19,535 | New |
| JPMorgan Chase & Co | 19,641 | $572.0K | 0.00% | +17,430+788.3% | Added |
| Fred Alger Management, LLC | 19,988 | $582.1K | 0.00% | −298−1.5% | Reduced |
| Fiduciary Trust Co | 20,000 | $582.4K | 0.01% | −10,000−33.3% | Reduced |
| Marshall Wace, LLP | 21,283 | $619.8K | 0.00% | +21,283 | New |
| Driehaus Capital Management LLC | 22,993 | $669.6K | 0.01% | 00.0% | Unchanged |
| LMR Partners LLP | 25,044 | $729.3K | 0.02% | +9,331+59.4% | Added |
| Landscape Capital Management, L.L.C. | 27,132 | $790.1K | 0.12% | +27,132 | New |
| DekaBank Deutsche Girozentrale | 30,000 | $890.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 32,283 | $940.1K | 0.00% | −7,625−19.1% | Reduced |
| Candriam Luxembourg S.C.A. | 32,479 | $945.7K | 0.01% | −5,755−15.1% | Reduced |
| Nan Fung Group Holdings Ltd | 32,520 | $947.0K | 0.65% | +32,520 | New |
| Jupiter Asset Management Ltd | 33,360 | $969.1K | 0.01% | +33,360 | New |
| California State Teachers Retirement System | 35,306 | $1.03M | 0.00% | +2,786+8.6% | Added |
| HighVista Strategies LLC | 35,478 | $1.03M | 0.61% | +35,478 | New |
| Alps Advisors Inc | 38,198 | $1.11M | 0.01% | +38,198 | New |
| State of Wisconsin Investment Board | 40,758 | $1.19M | 0.00% | +2,253+5.9% | Added |
| Bell & Brown Wealth Advisors, LLC | 41,600 | $1.21M | 0.67% | +41,600 | New |
| UBS Asset Management Americas Inc | 42,197 | $1.23M | 0.00% | +12,260+41.0% | Added |
| Millennium Management LLC | 42,298 | $1.23M | 0.00% | +42,298 | New |
| Credit Suisse AG | 47,412 | $1.38M | 0.00% | +11,928+33.6% | Added |
| Nuveen Asset Management, LLC | 47,491 | $1.38M | 0.00% | +7,201+17.9% | Added |
| BNP Paribas Arbitrage, SA | 52,884 | $1.54M | 0.00% | −28,049−34.7% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 59,298 | $1.73M | 0.11% | +7,496+14.5% | Added |
| EAM Global Investors LLC | 62,623 | $1.82M | 0.47% | −16,353−20.7% | Reduced |
| Voya Investment Management LLC | 63,595 | $1.85M | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 65,138 | $1.90M | 0.01% | +7,144+12.3% | Added |
| Citadel Advisors LLC | 70,698 | $2.06M | 0.00% | +14,863+26.6% | Added |
| Stratos Wealth Partners, LTD. | 73,320 | $2.14M | 0.05% | +34,705+89.9% | Added |
| Swiss National Bank | 97,900 | $2.85M | 0.00% | +8,300+9.3% | Added |
| Wellington Management Group LLP | 106,916 | $3.11M | 0.00% | −46,297−30.2% | Reduced |
| Ensign Peak Advisors, Inc | 108,562 | $3.16M | 0.01% | +97,392+871.9% | Added |
| Schonfeld Strategic Advisors LLC | 120,689 | $3.51M | 0.03% | +71,786+146.8% | Added |
| Dimensional Fund Advisors LP | 136,991 | $3.99M | 0.00% | −86,140−38.6% | Reduced |
| Northern Trust Corp | 138,101 | $4.02M | 0.00% | +23,992+21.0% | Added |
| Rice Hall James & Associates, LLC | 153,202 | $4.46M | 0.26% | −17,155−10.1% | Reduced |
| Parkman Healthcare Partners LLC | 157,862 | $4.60M | 1.22% | −30,127−16.0% | Reduced |
| EAM Investors, LLC | 164,695 | $4.80M | 0.99% | −34,004−17.1% | Reduced |
| Altium Capital Management LP | 170,000 | $4.95M | 2.53% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 180,557 | $5.26M | 0.03% | +180,557 | New |
| Barclays PLC | 182,599 | $5.32M | 0.00% | +18,246+11.1% | Added |
| UBS Group AG | 191,265 | $5.57M | 0.00% | +178,630+1,413.8% | Added |
| Voloridge Investment Management, LLC | 194,996 | $5.68M | 0.03% | −48,412−19.9% | Reduced |
| Jane Street Group, LLC | 199,503 | $5.81M | 0.01% | +199,503 | New |
| Charles Schwab Investment Management Inc | 229,916 | $6.70M | 0.00% | +25,647+12.6% | Added |
| Morgan Stanley | 243,685 | $7.10M | 0.00% | +13,488+5.9% | Added |
| Bank of America Corp | 266,153 | $7.75M | 0.00% | +47,744+21.9% | Added |
| Citigroup Inc | 275,561 | $8.02M | 0.01% | +3,374+1.2% | Added |
| Rafferty Asset Management, LLC | 306,013 | $8.91M | 0.07% | +43,725+16.7% | Added |
| Invesco Ltd. | 334,273 | $9.73M | 0.00% | +334,273 | New |
| Samsara BioCapital, LLC | 345,293 | $10.1M | 2.17% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 355,530 | $10.4M | 0.02% | +172,461+94.2% | Added |
| Geode Capital Management, LLC | 458,510 | $13.4M | 0.00% | +70,398+18.1% | Added |
| Assenagon Asset Management S.A. | 463,516 | $13.5M | 0.06% | −6,894−1.5% | Reduced |
| Susquehanna International Group, LLP | 694,042 | $20.2M | 0.04% | +479,520+223.5% | Added |
| Opaleye Management Inc. | 735,000 | $21.4M | 7.44% | −75,000−9.3% | Reduced |