RYTM · Company research
Rhythm Pharmaceuticals, Inc. (RYTM): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
80records availableHealthcare
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Accent Capital Management, LLC | 2014179 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 107 | 11880 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| VOYA INVESTMENT MANAGEMENT LLC | 1068837 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 168310 | 18687459 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| KLP KAPITALFORVALTNING AS | 1717443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12500 | 1387875 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Y-Intercept (Hong Kong) Ltd | 1772875 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7925 | 879913 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39 | 4330 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| HighVista Strategies LLC | 1335325 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13657 | 1516337 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PRINCIPAL FINANCIAL GROUP INC | 1126328 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4220 | 468547 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| HARBOUR INVESTMENTS, INC. | 810121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 60 | 6662 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| DiNuzzo Private Wealth, Inc. | 1994563 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 112 | — | — | — | Jul 10, 2026 | SEC_13F_DATASET |
| ALGERT GLOBAL LLC | 1275218 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 83431 | 9263344 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ACADIAN ASSET MANAGEMENT LLC | 916542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 609 | 67 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Inspire Investing, LLC | 1670139 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3417 | 379390 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| PRAXIS INVESTMENT MANAGEMENT INC | 1056825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2053 | 228 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| State of New Jersey Common Pension Fund D | 1483066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17664 | 1961234 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3838 | 426133 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Man Group plc | 1637460 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46717 | 5186989 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Pathstone Holdings, LLC | 2011612 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6607 | 733546 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Godfrey Financial Associates, Inc. | 2097943 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3 | 333 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ELEVATION WEALTH PARTNERS, LLC | 1976256 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1971 | 218841 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| Pacer Advisors, Inc. | 1616667 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 538 | 60 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| STIFEL FINANCIAL CORP | 720672 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 53 | 5885 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 55161 | 6124526 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Dogwood Wealth Management LLC | 2056922 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11 | 1221 | — | — | — | Jul 6, 2026 | SEC_13F_DATASET |
| Northwest & Ethical Investments L.P. | 2033536 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1100 | 121044 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Rockefeller Capital Management L.P. | 1739439 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4070 | 451892 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Clearbridge Investments, LLC | 1348883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 696473 | 77329368 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| PROFUND ADVISORS LLC | 1129919 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16805 | 1865859 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Aberdeen Group plc | 1716774 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 94946 | 10541854 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| CAPITAL FUND MANAGEMENT S.A. | 1323645 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 68548 | 7610884 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18973 | 2106572 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Vanguard Personalized Indexing Management, LLC | 1767306 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4054 | 450116 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| RAYMOND JAMES FINANCIAL INC | 720005 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 34652 | 3847411 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD ASSET MANAGEMENT, Ltd | 1680208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 53279 | 5915567 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Cedar Mountain Advisors, LLC | 1798986 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 51 | 5663 | — | — | — | Jul 2, 2026 | SEC_13F_DATASET |
| Hillsdale Investment Management Inc. | 1368465 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44000 | 4885320 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| FEDERATED HERMES, INC. | 1056288 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1658447 | 184137370 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SEGALL BRYANT & HAMILL, LLC | 1006378 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 121866 | 13530782 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SummitTX Capital, L.P. | 2052310 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 126401 | 14034303 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Optiver Holding B.V. | 1859606 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 220 | 24427 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| MassMutual Private Wealth & Trust, FSB | 1103653 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 111 | — | — | — | Jul 2, 2026 | SEC_13F_DATASET |
| Hurley Capital, LLC | 1632844 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 56 | 6218 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| PRUDENTIAL FINANCIAL INC | 1137774 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 58045 | 6444736 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| BAKER BROS. ADVISORS LP | 1263508 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5604483 | 622265747 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Jasper Ridge Partners, L.P. | 1453381 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13845 | 1537210 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Liberty Mutual Group Asset Management Inc. | 1533497 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 880 | 97706 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NEXTBio Capital Management LP | 2038158 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 131758 | 14629091 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Granahan Investment Management, LLC | 1026710 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 83270 | 9245468 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2357141 | 259650524 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Rafferty Asset Management, LLC | 1389426 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32207 | 3575943 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Integral Health Asset Management, LLC | 1773206 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 550000 | 61066500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BESSEMER GROUP INC | 1054074 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30 | 3 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 109700 | 12179991 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Essential Partners LLC | 2136442 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 77 | 8549 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 61786 | 6860160 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1313860 | 145911779 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 1005354 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3700 | 410811 | — | — | — | Aug 25, 2026 | SEC_13F_DATASET |
| Cetera Investment Advisers | 1666741 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2098 | 232941 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 2057170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9393 | 1042904 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| NORGES BANK | 1374170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 685844 | 76149259 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| MARSHALL WACE, LLP | 1318757 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8174 | 907560 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 73333 | 8142147 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SPHERA FUNDS MANAGEMENT LTD. | 1496201 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 80400 | 8926812 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23109 | 2565792 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| NATIXIS ADVISORS, LLC | 1018331 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14483 | 1608 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1494 | 165879 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 814 | 90379 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2628926 | 291889654 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Fulcrum Asset Management LLP | 1353395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5049 | 555592 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| Zweig-DiMenna Associates LLC | 1533950 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42100 | 4674363 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CENTAURUS FINANCIAL, INC. | 891943 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2454 | 272 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| FIRST TRUST ADVISORS LP | 1125816 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32482 | 3606476 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Parallel Advisors, LLC | 1690010 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21 | 2332 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| SIGNATUREFD, LLC | 1456048 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 231 | 25648 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| FMR LLC | 315066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 808931 | 89815609 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Sound View Wealth Advisors Group, LLC | 1784777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3682 | 408812 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Yorktown Management & Research Co Inc | 1313559 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3300 | 366399 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| FRANKLIN RESOURCES INC | 38777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42 | 4663 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 118899 | 13201356 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| MONTAG A & ASSOCIATES INC | 829407 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5 | 564 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Schonfeld Strategic Advisors LLC | 1665241 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28607 | 3176234 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.