Fund shareholders of Rhythm Pharmaceuticals Inc
ISIN US76243J1051 · United States · LEI 529900JPNWXQ8DPLA551
- Fund shareholders
- 316
- Of which ETFs
- 52 264 other funds
- Value held
- 2.3B $ 18.2M SEK · 65.4K €
- Share of capital
- 39.3 % of 68.9M shares on Aug 1, 2026
316 funds hold this company. This table lists the 315 that declare it in a regulatory filing. 1 more fund publishes its holdings in its own report. It is not in the table.
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| Harbor Human Capital Factor US Small Cap ETF Harbor ETF Trust | 30,540 | 2.5M $ | 1.58 % | 0.04 % | as of Apr 30, 2026 ↗ |
| Morgan Stanley Pathway Small-Mid Cap Equity ETF MORGAN STANLEY PATHWAY FUNDS | 29,398 | 2.7M $ | 0.37 % | 0.04 % | as of Feb 28, 2026 ↗ |
| Transamerica T. Rowe Price Small Cap VP TRANSAMERICA SERIES TRUST | 27,180 | 2.4M $ | 0.37 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Fidelity MSCI Health Care Index ETF FIDELITY COVINGTON TRUST | 26,169 | 2.1M $ | 0.07 % | 0.04 % | as of Apr 30, 2026 ↗ |
| Fidelity Fundamental Small-Mid Cap ETF Fidelity Covington Trust | 25,413 | 2.1M $ | 0.16 % | 0.04 % | as of Apr 30, 2026 ↗ |
| Invesco Dorsey Wright SmallCap Momentum ETF Invesco Exchange-Traded Fund Trust II | 24,993 | 2.3M $ | 0.60 % | 0.04 % | as of Feb 28, 2026 ↗ |
| Small Cap Index Fund Northern Funds | 24,393 | 2.1M $ | 0.15 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Columbia Variable Portfolio - Acorn Fund COLUMBIA FUNDS VARIABLE SERIES TRUST | 24,099 | 2.1M $ | 0.48 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Global X Russell 2000 ETF GLOBAL X FUNDS | 22,978 | 1.9M $ | 0.13 % | 0.03 % | as of Apr 30, 2026 ↗ |
| JNL/Mellon Healthcare Sector Fund JNL Series Trust | 22,633 | 2M $ | 0.08 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Federated Hermes MDT Small Cap Growth Fund Federated Hermes MDT Series | 21,437 | 1.7M $ | 0.23 % | 0.03 % | as of Apr 30, 2026 ↗ |
| Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 21,343 | 1.7M $ | 0.07 % | 0.03 % | as of Apr 30, 2026 ↗ |
| Small Cap Index Fund VALIC Co I | 21,274 | 2M $ | 0.16 % | 0.03 % | as of Feb 28, 2026 ↗ |
| T. Rowe Price Small-Mid Cap ETF T. Rowe Price Exchange-Traded Funds, Inc. | 21,153 | 1.8M $ | 0.12 % | 0.03 % | as of Mar 31, 2026 ↗ |
| MOA SMALL CAP GROWTH FUND MoA Funds Corp | 21,109 | 1.8M $ | 0.44 % | 0.03 % | as of Mar 31, 2026 ↗ |
| JPMorgan U.S. Small Company Fund JPMorgan Trust I | 20,857 | 1.8M $ | 0.20 % | 0.03 % | as of Mar 31, 2026 ↗ |
| BlackRock Advantage Small Cap Growth Fund BlackRock Funds | 20,587 | 1.8M $ | 0.27 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Driehaus Micro Cap Growth Fund Driehaus Mutual Funds | 20,525 | 1.8M $ | 0.39 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Schwab Small-Cap Equity Fund SCHWAB CAPITAL TRUST | 20,260 | 1.6M $ | 0.23 % | 0.03 % | as of Apr 30, 2026 ↗ |
| JPMorgan BetaBuilders U.S. Small Cap Equity ETF J.P. Morgan Exchange-Traded Fund Trust | 20,187 | 1.6M $ | 0.22 % | 0.03 % | as of Apr 30, 2026 ↗ |
| Adara Smaller Companies Fund RBB Fund, Inc. | 19,973 | 1.9M $ | 0.24 % | 0.03 % | as of Feb 28, 2026 ↗ |
| Schwab 1000 Index Fund SCHWAB INVESTMENTS | 19,470 | 1.6M $ | 0.01 % | 0.03 % | as of Apr 30, 2026 ↗ |
| Multi-Manager U.S. Small Cap Equity Fund Goldman Sachs Trust II | 18,537 | 1.5M $ | 0.43 % | 0.03 % | as of Apr 30, 2026 ↗ |
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 18,400 | 1.6M $ | 0.06 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Lord Abbett Micro-Cap Growth Fund LORD ABBETT SECURITIES TRUST | 18,198 | 1.5M $ | 0.73 % | 0.03 % | as of Apr 30, 2026 ↗ |
| Handelsbanken Global Småbolag Index Criteria Handelsbanken Fonder AB | 17,521 | 14.5M SEK | 0.05 % | 0.03 % | as of Mar 31, 2026 ↗ |
| John Hancock Multifactor Mid Cap ETF John Hancock Exchange-Traded Fund Trust | 17,434 | 1.5M $ | 0.03 % | 0.03 % | as of Mar 31, 2026 ↗ |
| AST Small-Cap Equity Portfolio Advanced Series Trust | 16,756 | 1.5M $ | 0.08 % | 0.02 % | as of Mar 31, 2026 ↗ |
| BIOTECHNOLOGY ULTRASECTOR PROFUND ProFunds | 16,691 | 1.4M $ | 0.74 % | 0.02 % | as of Apr 30, 2026 ↗ |
| MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 16,680 | 1.5M $ | 0.15 % | 0.02 % | as of Mar 31, 2026 ↗ |
| iShares Morningstar Small-Cap Growth ETF iShares Trust | 16,571 | 1.3M $ | 0.14 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust | 16,196 | 1.5M $ | 0.02 % | 0.02 % | as of Feb 28, 2026 ↗ |
| ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust | 16,152 | 1.4M $ | 0.15 % | 0.02 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Integrated U.S. Small-Mid Cap Core Equity Fund T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC. | 16,085 | 1.4M $ | 0.10 % | 0.02 % | as of Mar 31, 2026 ↗ |
| U.S. Small Cap Equity Fund RUSSELL INVESTMENT CO | 15,931 | 1.3M $ | 0.14 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust | 15,865 | 1.5M $ | 0.20 % | 0.02 % | as of Feb 28, 2026 ↗ |
| iShares ESG Aware MSCI USA Small-Cap ETF iShares Trust | 15,840 | 1.5M $ | 0.06 % | 0.02 % | as of Feb 28, 2026 ↗ |
| First Trust Mid Cap Growth AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund | 15,768 | 1.3M $ | 0.25 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Carillon Chartwell Small Cap Fund Carillon Series Trust | 14,965 | 1.3M $ | 0.69 % | 0.02 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Health Sciences Portfolio T. ROWE PRICE EQUITY SERIES, INC. | 14,695 | 1.3M $ | 0.19 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust | 14,203 | 1.2M $ | 0.04 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Knights of Columbus Small Cap Equity Fund ADVISORS' INNER CIRCLE III | 14,084 | 1.1M $ | 0.59 % | 0.02 % | as of Apr 30, 2026 ↗ |
| iShares Russell 3000 ETF iShares Trust | 13,972 | 1.2M $ | 0.01 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Small-Cap Index Portfolio PACIFIC SELECT FUND | 13,856 | 1.2M $ | 0.16 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Diversified Equity Master Portfolio Master Investment Portfolio | 13,811 | 1.2M $ | 0.04 % | 0.02 % | as of Mar 31, 2026 ↗ |
| VIP Disciplined Small Cap Portfolio Variable Insurance Products Fund II | 13,601 | 1.2M $ | 0.23 % | 0.02 % | as of Mar 31, 2026 ↗ |
| SIIT SMALL/MID CAP FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 13,440 | 1.2M $ | 0.14 % | 0.02 % | as of Feb 28, 2026 ↗ |
| Hood River New Opportunities Fund Manager Directed Portfolios | 13,192 | 1.1M $ | 0.17 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Franklin Small Cap Enhanced ETF Franklin Templeton ETF Trust | 13,080 | 1.1M $ | 1.01 % | 0.02 % | as of Mar 31, 2026 ↗ |
| VOYA SMALLCAP OPPORTUNITIES PORTFOLIO Voya Variable Products Trust | 12,892 | 1.1M $ | 0.67 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Harbor Health Care ETF Harbor ETF Trust | 12,831 | 1M $ | 3.79 % | 0.02 % | as of Apr 30, 2026 ↗ |
| SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 12,651 | 1.1M $ | 0.08 % | 0.02 % | as of Mar 31, 2026 ↗ |
| DWS Small Cap Growth Fund DEUTSCHE DWS INVESTMENT TRUST | 12,600 | 1.1M $ | 0.43 % | 0.02 % | as of Mar 31, 2026 ↗ |
| AVIP AB Small Cap Portfolio AuguStar Variable Insurance Products Fund Inc | 12,488 | 1.1M $ | 0.40 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Biotechnology Fund Rydex Series Funds | 12,158 | 1.1M $ | 0.78 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Federated Hermes Kaufmann Fund II Federated Hermes Insurance Series | 12,080 | 1.1M $ | 1.11 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Loomis Sayles Small Cap Core Portfolio Brighthouse Funds Trust II | 11,704 | 1M $ | 0.29 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Putnam VT Global Health Care Fund Putnam Variable Trust | 11,700 | 1M $ | 0.72 % | 0.02 % | as of Mar 31, 2026 ↗ |
| SIMT Small Cap Growth Fund SEI INSTITUTIONAL MANAGED TRUST | 11,377 | 989.5K $ | 0.36 % | 0.02 % | as of Mar 31, 2026 ↗ |
| First Trust Mid Cap Core AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund | 10,436 | 849.1K $ | 0.06 % | 0.02 % | as of Apr 30, 2026 ↗ |
| NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 10,391 | 903.7K $ | 0.15 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Goldman Sachs Small Cap Equity ETF Goldman Sachs ETF Trust | 10,020 | 929.2K $ | 0.57 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Carillon Chartwell Small Cap Growth Fund Carillon Series Trust | 9,954 | 865.7K $ | 0.67 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Small Cap Index Trust John Hancock Variable Insurance Trust | 9,591 | 834.1K $ | 0.15 % | 0.01 % | as of Mar 31, 2026 ↗ |
| NVIT Invesco Small Cap Growth Fund Nationwide Variable Insurance Trust | 9,447 | 821.6K $ | 0.31 % | 0.01 % | as of Mar 31, 2026 ↗ |
| AlphaCentric Life Sciences and Healthcare Fund MUTUAL FUND SERIES TRUST | 9,297 | 808.6K $ | 2.06 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 9,170 | 746.1K $ | 0.18 % | 0.01 % | as of Apr 30, 2026 ↗ |
| T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 9,162 | 796.8K $ | 0.08 % | 0.01 % | as of Mar 31, 2026 ↗ |
| SMALL CAP EQUITY FUND GuideStone Funds | 8,773 | 763K $ | 0.09 % | 0.01 % | as of Mar 31, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 8,738 | 759.9K $ | 0.44 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Putnam Dynamic Asset Allocation Growth Fund Putnam Asset Allocation Funds | 8,630 | 750.6K $ | 0.02 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Roundhill GLP-1 & Weight Loss ETF Roundhill ETF Trust | 8,463 | 736K $ | 1.43 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Virtus Biotech Etf ETFis Series Trust I | 8,333 | 678K $ | 1.14 % | 0.01 % | as of Apr 30, 2026 ↗ |
| MassMutual Small Cap Growth Equity Fund MASSMUTUAL SELECT FUNDS | 8,326 | 724.1K $ | 0.13 % | 0.01 % | as of Mar 31, 2026 ↗ |
| iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 8,231 | 669.7K $ | 0.05 % | 0.01 % | as of Apr 30, 2026 ↗ |
| SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 8,000 | 741.8K $ | 0.06 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF Goldman Sachs ETF Trust | 7,702 | 714.2K $ | 0.08 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Columbia Variable Portfolio - Small Company Growth Fund COLUMBIA FUNDS VARIABLE INSURANCE TRUST | 7,435 | 646.6K $ | 0.30 % | 0.01 % | as of Mar 31, 2026 ↗ |
| DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 7,409 | 644.4K $ | 0.15 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Victory Extended Market Index Fund Victory Portfolios III | 7,289 | 593K $ | 0.08 % | 0.01 % | as of Apr 30, 2026 ↗ |
| State Street Institutional Small-Cap Equity Fund STATE STREET INSTITUTIONAL FUNDS | 7,262 | 631.6K $ | 0.13 % | 0.01 % | as of Mar 31, 2026 ↗ |
| EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 7,158 | 622.5K $ | 0.16 % | 0.01 % | as of Mar 31, 2026 ↗ |
| EQ/Common Stock Index Portfolio EQ Advisors Trust | 7,100 | 617.5K $ | 0.01 % | 0.01 % | as of Mar 31, 2026 ↗ |
| NYLI WMC Small Companies Fund NEW YORK LIFE INVESTMENTS FUNDS TRUST | 6,799 | 553.2K $ | 0.17 % | 0.01 % | as of Apr 30, 2026 ↗ |
| AQR Small Cap Momentum Style Fund AQR Funds | 6,543 | 569K $ | 0.34 % | 0.01 % | as of Mar 31, 2026 ↗ |
| BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 6,424 | 558.7K $ | 0.16 % | 0.01 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 6,340 | 551.4K $ | 0.16 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Global X Guru Index ETF GLOBAL X FUNDS | 6,307 | 513.1K $ | 0.88 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Developing Growth Portfolio LORD ABBETT SERIES FUND INC | 6,294 | 547.4K $ | 0.94 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Putnam Dynamic Asset Allocation Balanced Fund Putnam Asset Allocation Funds | 5,924 | 515.2K $ | 0.02 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Federated Hermes MDT Small Cap Core ETF Federated Hermes ETF Trust | 5,882 | 545.4K $ | 0.36 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 5,871 | 510.6K $ | 0.15 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Health Sciences Trust John Hancock Variable Insurance Trust | 5,825 | 506.6K $ | 0.22 % | 0.01 % | as of Mar 31, 2026 ↗ |
| SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST | 5,708 | 464.4K $ | 0.13 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Small Cap Core Fund Northern Funds | 5,675 | 493.6K $ | 0.14 % | 0.01 % | as of Mar 31, 2026 ↗ |
| BNY Mellon Small Cap Multi-Strategy Fund BNY MELLON FUNDS TRUST | 5,623 | 521.4K $ | 0.37 % | 0.01 % | as of Feb 28, 2026 ↗ |
| NVIT Multi-Manager Small Company Fund Nationwide Variable Insurance Trust | 5,544 | 482.2K $ | 0.13 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Goldman Sachs Small/Mid Cap Equity Fund Goldman Sachs Trust | 5,519 | 511.8K $ | 0.36 % | 0.01 % | as of Feb 28, 2026 ↗ |
| SIIT SMALL CAP FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 5,510 | 510.9K $ | 0.27 % | 0.01 % | as of Feb 28, 2026 ↗ |
| PROFUND VP BIOTECHNOLOGY ProFunds | 5,149 | 447.8K $ | 1.07 % | 0.01 % | as of Mar 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Harbor Health Care ETF Harbor ETF Trust | 3.79 % | as of Apr 30, 2026 ↗ |
| PRIMECAP Odyssey Aggressive Growth Fund PRIMECAP Odyssey Funds | 2.55 % | as of Apr 30, 2026 ↗ |
| Pictet - Biotech Pictet Asset Management (Europe) S.A. | 2.35 % | as of Sep 30, 2025 ↗ |
| AlphaCentric Life Sciences and Healthcare Fund MUTUAL FUND SERIES TRUST | 2.06 % | as of Mar 31, 2026 ↗ |
| A&P LIFESCIENCE FUND, FI WELZIA MANAGEMENT, SGIIC, S.A. | 1.78 % | as of Dec 31, 2025 ↗ |
| Federated Hermes Kaufmann Small Cap Fund Federated Hermes Equity Funds | 1.67 % | as of Apr 30, 2026 ↗ |
| PRIMECAP Odyssey Growth Fund PRIMECAP Odyssey Funds | 1.64 % | as of Apr 30, 2026 ↗ |
| Harbor Human Capital Factor US Small Cap ETF Harbor ETF Trust | 1.58 % | as of Apr 30, 2026 ↗ |
| Roundhill GLP-1 & Weight Loss ETF Roundhill ETF Trust | 1.43 % | as of Mar 31, 2026 ↗ |
| Harbor Small Cap Growth Fund HARBOR FUNDS | 1.38 % | as of Apr 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 312 | -8 | 27,005,722 | -0.8 % |
| 2026Q1 | 320 | +21 | 27,219,676 | +6.4 % |
| 2025Q4 | 299 | +46 | 25,593,008 | +10.8 % |
| 2025Q3 | 253 | +17 | 23,094,406 | +3.7 % |
| 2025Q2 | 236 | +33 | 22,276,688 | +5.5 % |
| 2025Q1 | 203 | +20 | 21,124,445 | +2.2 % |
| 2024Q4 | 183 | +5 | 20,660,389 | +3.1 % |
| 2024Q3 | 178 | +6 | 20,045,901 | -6.2 % |
| 2024Q2 | 172 | +11 | 21,362,968 | -2.5 % |
| 2024Q1 | 161 | +12 | 21,919,153 | +0.9 % |
| 2023Q4 | 149 | 21,715,976 |
Institutional managers
277 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 6,666,837 | 579.8M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 6,237,151 | 542.4M $ | as of Mar 31, 2026 |
| BAKER BROS. ADVISORS LP | 5,604,483 | 487.4M $ | as of Mar 31, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | 3,417,509 | 297.2M $ | as of Mar 31, 2026 |
| PERCEPTIVE ADVISORS LLC | 2,373,795 | 206.4M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 2,271,851 | 197.6M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 1,965,432 | 170.9M $ | as of Mar 31, 2026 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1,929,123 | 167.8M $ | as of Mar 31, 2026 |
| FMR LLC | 1,689,671 | 147M $ | as of Mar 31, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1,654,876 | 143.9K $ | as of Mar 31, 2026 |
| Polar Capital Holdings Plc | 1,615,586 | 140.5M $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 1,553,644 | 120M $ | as of Mar 31, 2026 |
| CITADEL ADVISORS LLC | 1,418,619 | 123.4M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 1,416,269 | 123.2M $ | as of Mar 31, 2026 |
| FEDERATED HERMES, INC. | 1,286,303 | 111.9M $ | as of Mar 31, 2026 |
| Checkpoint Capital L.P. | 1,227,200 | 106.7M $ | as of Mar 31, 2026 |
| Capital Research Global Investors | 1,115,460 | 97M $ | as of Mar 31, 2026 |
| JANUS HENDERSON GROUP PLC | 918,153 | 79.9M $ | as of Mar 31, 2026 |
| ALLIANCEBERNSTEIN L.P. | 910,413 | 97.5M $ | as of Mar 31, 2026 |
| Point72 Asset Management, L.P. | 846,801 | 73.6M $ | as of Mar 31, 2026 |
| Woodline Partners LP | 758,891 | 66M $ | as of Mar 31, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 725,744 | 63.1M $ | as of Mar 31, 2026 |
| Siren, L.L.C. | 725,511 | 63.1M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 703,978 | 61.2M $ | as of Mar 31, 2026 |
| Rock Springs Capital Management LP | 689,748 | 60M $ | as of Mar 31, 2026 |
Declared shareholders of Rhythm Pharmaceuticals Inc
There are 2 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| Perceptive Advisors LLC and 3 others | 5.10 % | 3,519,626 | as of Mar 31, 2026 · SCHEDULE 13G |
| Vanguard Capital Management | 5.02 % | 3,432,949 | as of Mar 31, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Fund shareholders of Rhythm Pharmaceuticals Inc". https://titelia.com/en/stocks/rhythm-pharmaceuticals-inc-US76243J1051