INSM
INSMED IncCompany with tickers: INSM
CIK
1104506
CUSIP
457669307
Shares Outstanding
215,852,149
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Report Date:
Holders: 665
Total Value: $34,362,724,681
Total Shares: 197,441,537
Showing top 100 of 665 holders by value
| Holder | Value (USD) | Shares | Type | Discretion | Filed | Action |
|---|---|---|---|---|---|---|
| JPMORGAN CHASE & CO | $4,037,643,062 | 23,199,512 | Shares | Other | 2026-02-11 | View |
| Darwin Global Management, Ltd. | $3,643,227,529 | 20,933,277 | Shares | Sole | 2026-02-17 | View |
| BlackRock, Inc. | $2,621,921,640 | 15,065,052 | Shares | Sole | 2026-02-12 | View |
| FMR LLC | $1,727,857,979 | 9,927,936 | Shares | Defined | 2026-02-17 | View |
| BAKER BROS. ADVISORS LP | $1,147,401,513 | 6,592,746 | Shares | Sole | 2026-02-17 | View |
| STATE STREET CORP | $905,311,525 | 5,201,744 | Shares | Defined | 2026-02-13 | View |
| Capital International Investors | $896,596,820 | 5,151,671 | Shares | Defined | 2026-02-11 | View |
| Artisan Partners Limited Partnership | $843,006,075 | 4,843,749 | Shares | Sole | 2026-02-17 | View |
| RTW INVESTMENTS, LP | $842,854,661 | 4,842,879 | Shares | Sole | 2026-02-17 | View |
| D. E. Shaw & Co., Inc. | $757,247,168 | 4,350,995 | Shares | Defined | 2026-02-17 | View |
| GEODE CAPITAL MANAGEMENT, LLC | $748,207,009 | 4,299,052 | Shares | Defined | 2026-02-09 | View |
| Orbis Allan Gray Ltd | $727,479,716 | 4,179,957 | Shares | Defined | 2026-02-17 | View |
| PRICE T ROWE ASSOCIATES INC /MD/ | $703,028,661 | 4,039,466 | Shares | Sole | 2026-02-17 | View |
| NORGES BANK | $506,625,392 | 2,910,971 | Shares | Sole | 2026-02-10 | View |
| FRANKLIN RESOURCES INC | $479,573,482 | 2,755,536 | Shares | Defined | 2026-02-11 | View |
| Invesco Ltd. | $474,582,186 | 2,726,857 | Shares | Defined | 2026-02-19 | View |
| AMERIPRISE FINANCIAL INC | $342,659,868 | 1,968,857 | Shares | Defined | 2026-02-17 | View |
| UBS Group AG | $325,043,194 | 1,867,635 | Shares | Defined | 2026-01-29 | View |
| BANK OF AMERICA CORP /DE/ | $300,337,517 | 1,725,681 | Shares | Defined | 2026-02-17 | View |
| Duquesne Family Office LLC | $257,884,118 | 1,481,752 | Shares | Defined | 2026-02-17 | View |
| Bank of New York Mellon Corp | $241,922,902 | 1,390,042 | Shares | Defined | 2026-02-10 | View |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $235,754,584 | 1,354,600 | Shares | Other | 2026-02-17 | View |
| VANGUARD GROUP INC | $231,326,310 | 1,329,156 | Shares | Defined | 2026-01-29 | View |
| MILLENNIUM MANAGEMENT LLC | $228,280,262 | 1,311,654 | Shares | Sole | 2026-02-17 | View |
| Castle Hook Partners LP | $218,170,974 | 1,253,568 | Shares | Sole | 2026-02-17 | View |
| Integral Health Asset Management, LLC | $217,550,000 | 1,250,000 | Shares | Sole | 2026-02-17 | View |
| GOLDMAN SACHS GROUP INC | $216,630,718 | 1,244,718 | Shares | Defined | 2026-02-10 | View |
| NORTHERN TRUST CORP | $215,537,747 | 1,238,438 | Shares | Defined | 2026-02-17 | View |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $212,519,547 | 1,221,096 | Shares | Sole | 2026-02-09 | View |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $205,894,367 | 1,183,029 | Shares | Defined | 2026-02-17 | View |
| CITADEL ADVISORS LLC | $201,415,621 | 1,157,295 | Shares | Defined | 2026-02-17 | View |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $178,800,864 | 1,027,355 | Shares | Sole | 2026-02-13 | View |
| FIERA CAPITAL CORP | $172,802,923 | 992,892 | Shares | Other | 2026-02-11 | View |
| NWI MANAGEMENT LP | $172,031,578 | 988,460 | Shares | Sole | 2026-02-17 | View |
| TWO SIGMA INVESTMENTS, LP | $167,453,630 | 962,156 | Shares | Sole | 2026-02-17 | View |
| Pictet Asset Management Holding SA | $166,897,920 | 958,963 | Shares | Sole | 2026-01-29 | View |
| Jefferies Financial Group Inc. | $161,220,039 | 926,339 | Shares | Defined | 2026-02-09 | View |
| AMUNDI | $159,594,331 | 916,998 | Shares | Defined | 2026-02-17 | View |
| BNP PARIBAS ARBITRAGE, SA | $159,319,522 | 915,419 | Shares | Defined | 2026-02-10 | View |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | $158,216,283 | 909,080 | Shares | Sole | 2026-02-17 | View |
| SEI INVESTMENTS CO | $154,925,185 | 890,170 | Shares | Defined | 2026-02-13 | View |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $147,864,384 | 849,600 | Shares | Other | 2026-02-17 | View |
| FIL Ltd | $145,934,106 | 838,509 | Shares | Defined | 2026-02-17 | View |
| Clearbridge Investments, LLC | $142,540,674 | 819,011 | Shares | Sole | 2026-02-11 | View |
| Holocene Advisors, LP | $139,434,756 | 801,165 | Shares | Sole | 2026-02-17 | View |
| JANUS HENDERSON GROUP PLC | $139,328,590 | 800,555 | Shares | Defined | 2026-02-17 | View |
| RAYMOND JAMES FINANCIAL INC | $135,621,362 | 779,254 | Shares | Defined | 2026-02-18 | View |
| PRINCIPAL FINANCIAL GROUP INC | $134,247,145 | 771,358 | Shares | Defined | 2026-02-02 | View |
| LORD, ABBETT & CO. LLC | $125,465,087 | 720,898 | Shares | Sole | 2026-02-13 | View |
| Artia Global Partners LP | $118,732,176 | 682,212 | Shares | Sole | 2026-02-17 | View |
| Nuveen, LLC | $113,196,310 | 650,404 | Shares | Defined | 2026-02-12 | View |
| VICTORY CAPITAL MANAGEMENT INC | $112,554,104 | 646,714 | Shares | Sole | 2026-02-13 | View |
| ALLIANCEBERNSTEIN L.P. | $111,858,814 | 642,719 | Shares | Defined | 2026-02-17 | View |
| Hood River Capital Management LLC | $110,963,901 | 637,577 | Shares | Sole | 2026-02-17 | View |
| FEDERATED HERMES, INC. | $110,045,143 | 632,298 | Shares | Defined | 2026-02-12 | View |
| DEUTSCHE BANK AG\ | $102,688,818 | 590,030 | Shares | Defined | 2026-02-11 | View |
| WELLS FARGO & COMPANY/MN | $102,100,737 | 586,651 | Shares | Defined | 2026-02-13 | View |
| Swiss National Bank | $100,788,652 | 579,112 | Shares | Sole | 2026-02-12 | View |
| SUSQUEHANNA ADVISORS GROUP, INC. | $98,332,600 | 565,000 | Shares | Other | 2026-02-17 | View |
| JENNISON ASSOCIATES LLC | $97,861,995 | 562,296 | Shares | Defined | 2026-01-30 | View |
| Rockefeller Capital Management L.P. | $97,784,547 | 561,851 | Shares | Defined | 2026-02-17 | View |
| JANE STREET GROUP, LLC | $96,957,684 | 557,100 | Shares | Defined | 2026-02-12 | View |
| Legal & General Group Plc | $94,036,073 | 540,313 | Shares | Defined | 2026-02-09 | View |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | $93,981,600 | 540,000 | Shares | Sole | 2026-02-17 | View |
| Nearwater Capital Markets, Ltd | $87,020,000 | 500,000 | Shares | Sole | 2026-02-17 | View |
| TimesSquare Capital Management, LLC | $85,367,664 | 490,506 | Shares | Sole | 2026-02-06 | View |
| Palo Alto Investors LP | $85,189,447 | 489,482 | Shares | Sole | 2026-02-17 | View |
| WELLINGTON MANAGEMENT GROUP LLP | $84,607,456 | 486,138 | Shares | Defined | 2026-02-17 | View |
| EVENTIDE ASSET MANAGEMENT, LLC | $84,163,829 | 483,589 | Shares | Sole | 2026-02-13 | View |
| GW&K Investment Management, LLC | $84,003,886 | 482,670 | Shares | Sole | 2026-02-11 | View |
| AQR CAPITAL MANAGEMENT LLC | $81,495,968 | 468,260 | Shares | Other | 2026-02-17 | View |
| JANE STREET GROUP, LLC | $80,684,944 | 463,600 | Shares | Defined | 2026-02-12 | View |
| Affinity Asset Advisors, LLC | $78,318,000 | 450,000 | Shares | Sole | 2026-02-13 | View |
| BARCLAYS PLC | $77,396,631 | 444,706 | Shares | Sole | 2026-02-13 | View |
| Sumitomo Mitsui Trust Holdings, Inc. | $75,784,325 | 435,442 | Shares | Defined | 2026-01-23 | View |
| CITADEL ADVISORS LLC | $75,341,916 | 432,900 | Shares | Defined | 2026-02-17 | View |
| WESTFIELD CAPITAL MANAGEMENT CO LP | $75,275,954 | 432,521 | Shares | Sole | 2026-02-11 | View |
| Artia Global Partners LP | $73,096,800 | 420,000 | Shares | Sole | 2026-02-17 | View |
| Candriam Luxembourg S.C.A. | $69,797,349 | 401,042 | Shares | Sole | 2026-02-13 | View |
| DIMENSIONAL FUND ADVISORS LP | $69,454,663 | 399,073 | Shares | Sole | 2026-02-12 | View |
| TWO SIGMA ADVISERS, LP | $68,745,800 | 395,000 | Shares | Sole | 2026-02-17 | View |
| MARSHALL WACE, LLP | $67,854,888 | 389,881 | Shares | Other | 2026-02-13 | View |
| Ensign Peak Advisors, Inc | $66,518,436 | 382,202 | Shares | Sole | 2026-02-12 | View |
| Balyasny Asset Management LLC | $66,232,836 | 380,561 | Shares | Sole | 2026-02-17 | View |
| SAMLYN CAPITAL, LLC | $64,320,831 | 369,575 | Shares | Defined | 2026-02-17 | View |
| GATEWAY INVESTMENT ADVISERS LLC | $63,524,600 | 365,000 | Shares | Sole | 2026-02-03 | View |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | $61,768,362 | 354,909 | Shares | Sole | 2026-02-12 | View |
| Polar Capital Holdings Plc | $59,909,441 | 344,228 | Shares | Defined | 2026-02-17 | View |
| ProShare Advisors LLC | $59,302,389 | 340,740 | Shares | Sole | 2026-02-06 | View |
| Rock Springs Capital Management LP | $55,562,270 | 319,250 | Shares | Sole | 2026-02-17 | View |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $54,009,833 | 310,330 | Shares | Sole | 2026-02-17 | View |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | $52,212,000 | 300,000 | Shares | Sole | 2026-02-17 | View |
| FRONTIER CAPITAL MANAGEMENT CO LLC | $49,574,249 | 284,844 | Shares | Sole | 2026-02-17 | View |
| Zurich Insurance Group Ltd/FI | $48,922,295 | 281,098 | Shares | Defined | 2026-02-17 | View |
| National Pension Service | $48,808,125 | 280,442 | Shares | Sole | 2026-02-10 | View |
| NEW YORK STATE COMMON RETIREMENT FUND | $48,084,467 | 276,284 | Shares | Sole | 2026-02-12 | View |
| ENVESTNET ASSET MANAGEMENT INC | $48,053,314 | 276,105 | Shares | Sole | 2026-02-10 | View |
| Cormorant Asset Management, LP | $47,861,000 | 275,000 | Shares | Defined | 2026-02-17 | View |
| LMR Partners LLP | $47,234,456 | 271,400 | Shares | Sole | 2026-02-17 | View |
| RHUMBLINE ADVISERS | $46,699,457 | 268,326 | Shares | Sole | 2026-02-13 | View |