INSM · Company research
Insmed, Inc. (INSM): 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 |
|---|---|---|---|---|---|---|---|---|---|
| Caption Management, LLC | 1706766 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 740700 | 78973434 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Knott David M Jr | 1892770 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4253 | 453455 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| YOUSIF CAPITAL MANAGEMENT, LLC | 1858789 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2859 | 304827 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| Keating Financial Advisory Services, Inc. | 2103443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 54 | 5757 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CANTOR FITZGERALD, L. P. | 1024896 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25000 | 2665500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Paradigm Biocapital Advisors LP | 1855655 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1325977 | 141375668 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Woodline Partners LP | 1784547 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 152618 | 16272131 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ELEVATION WEALTH PARTNERS, LLC | 1976256 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 34 | 3626 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| Fieldview Capital Management, LLC | 2040221 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9748 | 1039332 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quantitative Investment Management, LLC | 1445911 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15894 | 1694 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Atom Investors LP | 1738902 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24374 | 2598756 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Y-Intercept (Hong Kong) Ltd | 1772875 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 101908 | 10865431 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| ProShare Advisors LLC | 1357955 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7109 | 757962 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| JPL Wealth Management, LLC | 2010710 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12 | 1280 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Capital International Investors | 1562230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8238124 | 878338960 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 108325 | 11549612 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MetLife Investment Management, LLC | 1529735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11926 | 1271550 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10407962 | 1109696908 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| JFS WEALTH ADVISORS, LLC | 1568068 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38 | 4052 | — | — | — | Jul 10, 2026 | SEC_13F_DATASET |
| STOREBRAND ASSET MANAGEMENT AS | 1685676 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 124848 | 13311294 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Fulton Bank, N.A. | 883782 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5348 | 570203 | — | — | — | Jul 9, 2026 | SEC_13F_DATASET |
| M&T Bank Corp | 36270 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2517 | 268363 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| VANGUARD ASSET MANAGEMENT, Ltd | 1680208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 416108 | 44365435 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| KLP KAPITALFORVALTNING AS | 1717443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 86700 | 9243954 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 629831 | 67152581 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| TRUST CO OF VERMONT | 1134008 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 115 | 12261 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Vanguard National Trust Co | 1984256 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29 | 3092 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2641 | 281583 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TCW GROUP INC | 850401 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3604 | 384258 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Rakuten Securities, Inc. | 2009539 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7 | 746 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 54644 | 5826143 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Jones Hill Capital LP | 2102314 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 122375 | 13047622 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Curi Capital, LLC | 1332905 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7961 | 848802 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Ishara Investments LP | 2111609 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 51250 | 5464275 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC | 922127 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39594 | 4221512 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Arlington Trust Co LLC | 1997685 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44 | 4691 | — | — | — | Jul 7, 2026 | SEC_13F_DATASET |
| California Public Employees Retirement System | 919079 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 250350 | 26692317 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| STIFEL FINANCIAL CORP | 720672 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 35 | 3732 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| CANADA LIFE ASSURANCE Co | 1046192 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 57376 | 6109 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Longaeva Partners L.P. | 2054122 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 201226 | 21454716 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AMALGAMATED BANK | 919192 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15577 | 1661 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| SouthState Bank Corp | 764038 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7 | 747 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| KENNEDY CAPITAL MANAGEMENT LLC | 884589 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 55990 | 5969654 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CIBC Asset Management Inc | 1021926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10148 | 1081980 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA | 2071170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 280 | 29854 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| TimesSquare Capital Management, LLC | 1313816 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 728096 | 77629596 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Avior Wealth Management, LLC | 1599868 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4913 | 523798 | — | — | — | Jul 7, 2026 | SEC_13F_DATASET |
| Private Wealth Asset Management, LLC | 1883006 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 333 | 35504 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Global Retirement Partners, LLC | 1749744 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2702 | 288087 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Vestcor Inc | 1536925 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4238 | 452 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/ | 109380 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3798 | 404943 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| Artia Global Partners LP | 1937964 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 589052 | 62804724 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| J. Safra Sarasin Holding AG | 1890222 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 91300 | 9734406 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| CASTLEARK MANAGEMENT LLC | 1106832 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7790 | 830570 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SAGESPRING WEALTH PARTNERS, LLC | 2056425 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2031 | 216576 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| SEI INVESTMENTS CO | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 999576 | 106574793 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Jupiter Topco LLC | 2146052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2579765 | 275069129 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NorthRock Partners, LLC | 1632097 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3082 | 328603 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 861177 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 592297 | 63150706 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 326561 | 34817934 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Summit Trail Advisors, LLC | 1698478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7922 | 844644 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 201772 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42991 | 4583700 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| SHP Wealth Management | 1807060 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 213 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CenterBook Partners LP | 1872738 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 103151 | 10997960 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| TORONTO DOMINION BANK | 947263 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28611 | 3050505 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Atlantic Union Bankshares Corp | 883948 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9 | 960 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 593512 | 63280249 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Cinctive Capital Management LP | 1787258 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 161996 | 17272014 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Polymer Capital Management (US) LLC | 1973324 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4537 | 483735 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Focus Partners Wealth | 1542153 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8915 | 950602 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Point72 Asset Management, L.P. | 1603466 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 536997 | 57254620 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1177719 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1629561 | 173743795 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Maryland State Retirement & Pension System | 1795552 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11369 | 1212163 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| Buck Wealth Strategies, LLC | 1973259 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1899 | 202471 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| Railway Pension Investments Ltd | 1658020 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 604700 | 64473114 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| IMA Advisory Services, Inc. | 1455495 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19 | 2026 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| GROUPAMA ASSET MANAGMENT | 1055969 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5541 | 580364 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AMERICAN CENTURY COMPANIES INC | 748054 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 759735 | 81002980 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Aureus Asset Management, LLC | 1381296 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11441 | 1219839 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| INCEPTIONR LLC | 1821561 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12296 | 1311000 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.