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INSM · INSMED Inc

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$123.74 -2.59 (-2.05%) At close · Aug 14
Market Cap
$27.02B
Shares
218.38M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Short Volume

Date Short Volume Short Exempt Total Volume Short %
2026-08-14 271,953 3 923,432 29.5%
2026-08-13 253,991 1,922 1,008,768 25.2%
2026-08-12 185,376 0 627,757 29.5%
2026-08-11 430,452 0 997,640 43.1%
2026-08-10 735,539 0 1,553,277 47.4%
2026-08-07 1,110,280 35,956 2,428,062 45.7%
2026-08-06 2,158,560 1,113 4,988,555 43.3%
2026-08-05 335,649 141 1,967,342 17.1%
2026-08-04 424,027 0 2,008,684 21.1%
2026-08-03 276,061 467 1,571,493 17.6%
2026-07-31 379,072 20 1,340,913 28.3%
2026-07-30 643,095 10 1,579,424 40.7%
2026-07-29 359,003 250 880,963 40.8%
2026-07-28 240,855 0 766,904 31.4%
2026-07-27 228,136 0 739,955 30.8%
2026-07-24 288,388 20 714,789 40.3%
2026-07-23 278,486 0 702,578 39.6%
2026-07-22 361,378 0 786,399 46.0%
2026-07-21 367,451 12 1,122,136 32.7%
2026-07-20 478,680 5 884,515 54.1%
2026-07-17 399,046 0 748,955 53.3%
2026-07-16 690,450 5,810 1,285,582 53.7%
2026-07-15 463,359 0 820,214 56.5%
2026-07-14 364,054 25,589 728,679 50.0%
2026-07-13 403,360 0 1,135,123 35.5%
2026-07-10 613,156 0 1,173,144 52.3%
2026-07-09 655,434 0 1,095,656 59.8%
2026-07-08 661,741 0 1,255,337 52.7%
2026-07-07 364,692 0 810,041 45.0%
2026-07-06 474,606 1 966,699 49.1%
2026-07-02 453,828 0 1,108,840 40.9%
2026-07-01 423,084 474 868,497 48.7%
2026-06-30 767,640 0 1,562,815 49.1%
2026-06-29 630,336 0 1,248,207 50.5%
2026-06-26 735,070 4 1,371,625 53.6%
2026-06-25 738,639 2,469 1,853,746 39.8%
2026-06-24 523,935 0 1,269,021 41.3%
2026-06-23 622,649 2,654 2,472,801 25.2%
2026-06-22 854,459 794 2,174,070 39.3%
2026-06-18 1,374,875 4,562 3,494,926 39.3%
2026-06-17 867,146 0 1,750,329 49.5%
2026-06-16 501,312 0 1,370,887 36.6%
2026-06-15 1,216,973 9,422 1,968,641 61.8%
2026-06-12 1,284,695 0 2,338,502 54.9%
2026-06-11 736,805 0 2,459,519 30.0%
2026-06-10 752,578 4,023 2,237,482 33.6%
2026-06-09 998,820 12,452 1,995,403 50.1%
2026-06-08 794,357 9,435 2,129,553 37.3%
2026-06-05 1,207,167 4,536 3,759,984 32.1%
2026-06-04 408,766 138 794,580 51.4%
Showing 1–50 of 62 days
Key facts CIK 1104506 CUSIP 457669307 13F (30d) 609 filings 602 filers Visit website Investor relations