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, Q4 2023
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Dec 31, 2023. 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
- 169
- +25 vs. Q3 2023
- Shares held
- 66.7M
- −1.44M (−2.1%) vs. Q3 2023
- Total value
- $3.07B
- +$1.50B (+96.3%) vs. Q3 2023
- New holders
- 45
- 41 more added
- Sold out
- 20
- 64 more reduced
Compare with Q3 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 | 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, Q4 2023
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AQR Capital Management LLC | 14,982 | $688.7K | 0.00% | −5,314−26.2% | Reduced |
| State Board of Administration of Florida Retirement System | 14,670 | $674.4K | 0.00% | 00.0% | Unchanged |
| HighVista Strategies LLC | 14,362 | $660.2K | 0.24% | +14,362 | New |
| Jump Financial, LLC | 12,793 | $588.1K | 0.02% | +12,793 | New |
| Arizona State Retirement System | 12,726 | $585.0K | 0.00% | −224−1.7% | Reduced |
| Handelsbanken Fonder AB | 12,321 | $566.0K | 0.00% | +3,500+39.7% | Added |
| ProShare Advisors LLC | 12,281 | $564.6K | 0.00% | +1,886+18.1% | Added |
| Allianz Asset Management GmbH | 11,900 | $547.0K | 0.00% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 11,795 | $542.2K | 0.00% | +11,795 | New |
| Campbell & CO Investment Adviser LLC | 10,742 | $493.8K | 0.04% | +10,742 | New |
| Los Angeles Capital Management LLC | 10,593 | $487.0K | 0.00% | −2,828−21.1% | Reduced |
| Teacher Retirement System of Texas | 10,534 | $484.0K | 0.00% | −2,382−18.4% | Reduced |
| Parkwood LLC | 10,198 | $469.0K | 0.08% | +10,198 | New |
| Tower Research Capital LLC (TRC) | 9,708 | $446.3K | 0.01% | +8,764+928.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,181 | $422.1K | 0.00% | +406+4.6% | Added |
| Quantbot Technologies LP | 8,000 | $367.8K | 0.02% | +8,000 | New |
| Virtus ETF Advisers LLC | 7,597 | $349.2K | 0.22% | −9,596−55.8% | Reduced |
| SG Americas Securities, LLC | 7,500 | $345.0K | 0.00% | −37,374−83.3% | Reduced |
| Concurrent Investment Advisors, LLC | 7,472 | $343.5K | 0.02% | +7,472 | New |
| Amalgamated Bank | 7,273 | $334.0K | 0.00% | −516−6.6% | Reduced |
| Stratos Wealth Partners, LTD. | 7,264 | $333.9K | 0.01% | −8,262−53.2% | Reduced |
| Public Employees Retirement Association of Colorado | 6,911 | $318.0K | 0.00% | −777−10.1% | Reduced |
| LPL Financial LLC | 6,857 | $315.2K | 0.00% | +6,857 | New |
| China Universal Asset Management Co., Ltd. | 6,837 | $314.3K | 0.06% | +5,379+368.9% | Added |
| E Fund Management Co., Ltd. | 6,533 | $300.3K | 0.02% | +6,533 | New |
| Altium Capital Management LP | 6,485 | $298.1K | 0.21% | +6,485 | New |
| SEI Investments Co | 6,174 | $283.8K | 0.00% | +6,174 | New |
| Principal Financial Group Inc | 5,953 | $273.7K | 0.00% | +5,953 | New |
| Franklin Resources Inc | 5,876 | $270.1K | 0.00% | +5,876 | New |
| JGP Global Gestao de Recursos Ltda. | 5,688 | $261.5K | 0.26% | +5,688 | New |
| Jasper Ridge Partners, L.P. | 5,639 | $259.2K | 0.01% | +5,639 | New |
| Ameritas Investment Partners, Inc. | 5,318 | $244.5K | 0.01% | +251+5.0% | Added |
| Scientech Research LLC | 5,125 | $235.2K | 0.23% | +5,125 | New |
| Dynamic Technology Lab Private Ltd | 5,089 | $234.0K | 0.02% | +5,089 | New |
| Tudor Investment Corp Et Al | 4,900 | $225.3K | 0.00% | −24,444−83.3% | Reduced |
| Great West Life Assurance Co | 4,796 | $219.0K | 0.00% | +1,249+35.2% | Added |
| Old Well Partners, LLC | 4,600 | $211.5K | 0.20% | +4,600 | New |
| XTX Topco Ltd | 4,386 | $201.6K | 0.04% | +4,386 | New |
| Texas Treasury Safekeeping Trust Co | 4,230 | $194.0K | 0.02% | 00.0% | Unchanged |
| STRS Ohio | 3,000 | $137.0K | 0.00% | +3,000 | New |
| Metropolitan Life Insurance Co | 2,968 | $136.4K | 0.01% | 00.0% | Unchanged |
| BIT Capital GmbH | 2,489 | $114.4K | 0.01% | +2,489 | New |
| Whittier Trust Co | 2,000 | $91.9K | 0.00% | +2,000 | New |
| Lazard Asset Management LLC | 1,857 | $85.0K | 0.00% | +1,857 | New |
| Quarry LP | 1,500 | $69.0K | 0.03% | +1,500 | New |
| nVerses Capital, LLC | – | $69.0K | 0.19% | – | New |
| KBC Group NV | 1,263 | $58.0K | 0.00% | +452+55.7% | Added |
| Nisa Investment Advisors, LLC | 1,256 | $57.7K | 0.00% | +600+91.5% | Added |
| Northwestern Mutual Wealth Management Co | 1,250 | $57.5K | 0.00% | +1,250 | New |
| AJOVista, LLC | 920 | $42.3K | 0.05% | +920 | New |
| Cutler Group LP | 500 | $22.0K | 0.00% | +500 | New |
| EntryPoint Capital, LLC | 317 | $14.6K | 0.01% | +317 | New |
| Focused Wealth Management, Inc | 300 | $13.8K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 227 | $10.0K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 207 | $10.0K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 216 | $9.93K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 213 | $9.79K | 0.00% | +9+4.4% | Added |
| Advisor Group Holdings, Inc. | 209 | $9.61K | 0.00% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 400 | $9.17K | 0.01% | +400 | New |
| Lindbrook Capital, LLC | 97 | $4.46K | 0.00% | +38+64.4% | Added |
| US Bancorp | 62 | $2.85K | 0.00% | −48−43.6% | Reduced |
| Private Trust Co NA | 56 | $2.57K | 0.00% | −26−31.7% | Reduced |
| Global Retirement Partners, LLC | 35 | $1.42K | 0.00% | +7+25.0% | Added |
| Bell Investment Advisors, Inc | 19 | $874 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 13 | $573 | 0.00% | +13 | New |
| Farther Finance Advisors, LLC | 9 | $414 | 0.00% | +9 | New |
| GWM Advisors LLC | 5 | $230 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 5 | $230 | 0.00% | +5 | New |
| Covestor Ltd | 4 | $0 | 0.00% | −3−42.9% | Reduced |
| Alkeon Capital Management LLC | 0 | $0 | 0.00% | −1,725,167−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −207,500−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −80,102−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −75,315−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −43,815−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −34,494−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −31,181−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −24,514−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −17,186−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −16,465−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −13,071−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | – | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −4,146−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −3,100−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −2,260−100.0% | Sold out |
| Headinvest, LLC | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −5−100.0% | Sold out |