INSMED Inc (NASDAQ:INSM) currently has 561 active institutional owners and shareholders as of today (September 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| JPMORGAN CHASE & CO | 30 Sep, 2025 | 23,047,676 | 7,411,277 | 47.40% | $3,319,096,045.00 |
| Darwin Global Management, Ltd. | 30 Sep, 2025 | 20,457,445 | 1,112,824 | 5.75% | $2,897,797,084.00 |
| VANGUARD GROUP INC | 30 Sep, 2025 | 19,935,820 | 2,291,328 | 12.99% | $2,870,957,439.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 12,364,904 | 1,222,472 | 10.97% | $1,780,669,886.00 |
| FMR LLC | 30 Sep, 2025 | 9,180,963 | 4,087,702 | 80.26% | $1,322,150,532.00 |
| Capital International Investors | 30 Sep, 2025 | 7,553,853 | 74,994 | 1.00% | $1,087,830,371.00 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 30 Sep, 2025 | 6,931,466 | -4,299,239 | -38.28% | $998,201.00 |
| BAKER BROS. ADVISORS LP | 30 Sep, 2025 | 6,703,484 | -1,009,416 | -13.09% | $965,368,731.00 |
| D. E. Shaw & Co., Inc. | 30 Sep, 2025 | 5,657,464 | 2,234,845 | 65.30% | $814,731,390.00 |
| Artisan Partners Limited Partnership | 30 Sep, 2025 | 4,937,683 | 1,623,342 | 48.98% | $711,075,729.00 |
| STATE STREET CORP | 30 Sep, 2025 | 3,984,354 | -293,534 | -6.86% | $573,786,820.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 3,759,427 | 418,720 | 12.53% | $541,500,912.00 |
| Orbis Allan Gray Ltd | 30 Sep, 2025 | 3,250,868 | 1,726,734 | 113.29% | $468,157,501.00 |
| RTW INVESTMENTS, LP | 30 Sep, 2025 | 3,084,558 | 0 | 0.00% | $444,207,198.00 |
| AMERIPRISE FINANCIAL INC | 30 Sep, 2025 | 2,721,879 | -236,094 | -7.98% | $391,978,689.00 |
| Duquesne Family Office LLC | 30 Sep, 2025 | 2,423,435 | 170,000 | 7.54% | $348,999.00 |
| MILLENNIUM MANAGEMENT LLC | 30 Sep, 2025 | 2,336,112 | 206,395 | 9.69% | $336,423,489.00 |
| Artia Global Partners LP | 30 Sep, 2025 | 2,264,424 | 1,471,712 | 185.66% | $326,099,700.00 |
| FRANKLIN RESOURCES INC | 30 Sep, 2025 | 2,139,725 | -210,408 | -8.95% | $308,141,793.00 |
| CITADEL ADVISORS LLC | 30 Sep, 2025 | 2,057,641 | 1,682,826 | 448.98% | $296,320,880.00 |