INSM · INSMED Inc · Short Volume

$121.16 +3.09 (+2.62%) At close · Nov 13 Play latest call Q3 2026 earnings call transcript

Russell 1000 member Rebalance outlook locked

Market Cap

$26.58B

219.38M

Volume · Nov 13 1.54M Avg daily vol (3M) 2.77M

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.

Pull daily short volume through the short interest API or MCP →

1M 3M 6M 1Y 5Y All

Short Volume

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-11-13	288,880	0	579,333	49.9%
2026-11-12	256,018	12	518,492	49.4%
2026-11-11	278,480	24	662,103	42.1%
2026-11-10	613,396	773	1,774,200	34.6%
2026-11-09	615,812	12,422	1,346,061	45.7%
2026-11-06	862,373	32	1,480,615	58.2%
2026-11-05	637,624	210	1,116,607	57.1%
2026-11-04	406,180	0	1,076,407	37.7%
2026-11-03	474,419	0	1,587,962	29.9%
2026-11-02	869,042	4	1,757,983	49.4%
2026-10-30	835,067	265	1,841,239	45.4%
2026-10-29	1,993,590	7,387	5,374,302	37.1%
2026-10-28	993,801	0	2,078,691	47.8%
2026-10-27	521,538	1,687	1,387,453	37.6%
2026-10-26	814,575	240	1,590,038	51.2%
2026-10-23	608,210	31	1,293,421	47.0%
2026-10-22	336,441	0	1,310,928	25.7%
2026-10-21	324,014	53	1,120,900	28.9%
2026-10-20	435,340	0	1,087,800	40.0%
2026-10-19	215,809	0	987,131	21.9%
2026-10-16	291,446	110	974,459	29.9%
2026-10-15	866,849	76,806	1,832,046	47.3%
2026-10-14	494,788	111	1,222,444	40.5%
2026-10-13	412,468	3,565	893,167	46.2%
2026-10-12	302,521	57	790,167	38.3%
2026-10-09	285,195	1	1,060,255	26.9%
2026-10-08	487,841	1,530	1,781,402	27.4%
2026-10-07	315,606	0	1,044,414	30.2%
2026-10-06	910,539	1,155	1,786,855	51.0%
2026-10-05	1,431,291	34	2,656,141	53.9%
2026-10-02	456,553	0	1,565,128	29.2%
2026-10-01	397,476	0	1,138,436	34.9%
2026-09-30	432,013	0	969,481	44.6%
2026-09-29	378,731	583	797,957	47.5%
2026-09-28	262,871	0	711,566	36.9%
2026-09-25	480,920	35,368	1,473,193	32.6%
2026-09-24	559,919	90	1,211,805	46.2%
2026-09-23	291,472	1,972	924,554	31.5%
2026-09-22	343,015	100	850,562	40.3%
2026-09-21	544,853	0	896,382	60.8%
2026-09-18	748,938	0	1,076,884	69.5%
2026-09-17	466,892	0	729,370	64.0%
2026-09-16	312,436	0	581,090	53.8%
2026-09-15	523,098	1	999,799	52.3%
2026-09-14	342,696	300	721,127	47.5%
2026-09-11	339,038	580	678,116	50.0%
2026-09-10	427,557	0	775,731	55.1%
2026-09-09	661,124	34,379	1,054,992	62.7%
2026-09-08	326,975	3,101	684,036	47.8%
2026-09-04	268,223	6,106	666,026	40.3%

Showing 1–50 of 64 days

Key facts CIK 1104506 CUSIP 457669307 13F (30d) 550 filings 499 filers Visit website Investor relations