INSM
Insmed, Inc.
stockNASDAQ
At CloseOct 21, 2026 3:59:59 PM EDT
94.09USD-1.652%(-1.58)2,939,874
Pre-marketOct 21, 2026 8:01:30 AM EDT
95.30USD-0.387%(-0.37)
After-hoursOct 21, 2026 4:36:30 PM EDT
94.04USD-0.053%(-0.05)
INSM Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 1,707,729, which is 57.61% of today’s total volume. Today’s Lit volume is 1,256,379 (42.39%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 47.05%, and the average Lit volume 52.95%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 57.61% | 1,707,729 | 47.05% |
| Nasdaq GSM | 26.48% | 784,886 | 31.89% |
| IEX | 4.55% | 134,762 | 5.50% |
| NYSE Arca | 4.29% | 127,208 | 4.68% |
| Cboe BZX | 3.12% | 92,543 | 3.82% |
| Cboe EDGX | 1.70% | 50,259 | 2.03% |
| NYSE | 0.87% | 25,903 | 1.41% |
| MEMX | 0.26% | 7,610 | 0.66% |
| Cboe BYX | 0.24% | 7,064 | 0.59% |
| MIAX Pearl | 0.22% | 6,491 | 0.21% |
| Cboe EDGA | 0.16% | 4,784 | 0.40% |
| Nasdaq BX | 0.15% | 4,513 | 0.29% |
| Nasdaq PHLX | 0.10% | 2,996 | 0.16% |
| NYSE National | 0.09% | 2,553 | 0.28% |
| NYSE American | 0.08% | 2,264 | 0.13% |
| CHX | 0.05% | 1,394 | 0.84% |
| 24X National | 0.03% | 916 | 0.02% |
| TXSE | 0.01% | 233 | 0.05% |
INSM Volume by Exchange
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INSM Volume by Exchange
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INSM Volume by Exchange · History
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| Date | Off Exchange1 | Nasdaq GSM | IEX | NYSE Arca | Cboe BZX | Cboe EDGX | NYSE | MEMX | Cboe BYX | MIAX Pearl | Cboe EDGA | Nasdaq BX | Nasdaq PHLX | NYSE National | NYSE American | CHX | 24X National | TXSE | LTSE |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-21 | 57.61 | 26.48 | 4.55 | 4.29 | 3.12 | 1.70 | 0.87 | 0.26 | 0.24 | 0.22 | 0.16 | 0.15 | 0.10 | 0.09 | 0.08 | 0.05 | 0.03 | 0.01 | 0.00 |
| 2026-10-20 | 42.55 | 34.53 | 5.55 | 5.12 | 4.04 | 2.80 | 1.25 | 0.50 | 1.11 | 0.21 | 0.51 | 0.43 | 0.12 | 0.94 | 0.24 | 0.07 | 0.02 | 0.02 | 0.00 |
| 2026-10-19 | 36.79 | 38.32 | 7.47 | 4.34 | 4.30 | 2.54 | 1.63 | 0.70 | 0.90 | 0.15 | 0.24 | 0.51 | 0.11 | 0.66 | 0.12 | 1.20 | 0.02 | 0.00 | 0.00 |
| 2026-10-16 | 41.18 | 28.17 | 6.35 | 4.36 | 4.55 | 3.22 | 1.45 | 0.75 | 1.66 | 0.19 | 0.58 | 0.62 | 0.15 | 0.69 | 0.10 | 5.91 | 0.04 | 0.01 | 0.00 |
| 2026-10-15 | 56.45 | 29.14 | 4.06 | 3.25 | 2.82 | 1.46 | 1.17 | 0.34 | 0.30 | 0.24 | 0.14 | 0.17 | 0.18 | 0.12 | 0.10 | 0.03 | 0.02 | 0.01 | 0.00 |
| 2026-10-14 | 45.42 | 27.11 | 9.09 | 4.86 | 5.40 | 2.29 | 2.26 | 0.58 | 0.70 | 0.36 | 0.50 | 0.31 | 0.27 | 0.27 | 0.21 | 0.30 | 0.00 | 0.05 | 0.00 |
| 2026-10-13 | 41.91 | 31.91 | 4.73 | 4.72 | 4.17 | 1.62 | 1.37 | 0.47 | 0.39 | 0.18 | 0.25 | 0.14 | 0.11 | 0.10 | 0.10 | 7.82 | 0.00 | 0.02 | 0.00 |
| 2026-10-12 | 47.71 | 33.93 | 4.55 | 4.13 | 3.85 | 1.87 | 1.45 | 0.54 | 0.77 | 0.19 | 0.23 | 0.28 | 0.16 | 0.17 | 0.11 | 0.04 | 0.00 | 0.01 | 0.00 |
| 2026-10-09 | 43.47 | 34.23 | 5.03 | 4.88 | 5.29 | 2.15 | 1.89 | 0.56 | 0.54 | 0.18 | 0.48 | 0.25 | 0.33 | 0.35 | 0.22 | 0.14 | 0.00 | 0.00 | 0.00 |
| 2026-10-08 | 37.43 | 45.74 | 4.22 | 4.07 | 3.00 | 2.40 | 1.15 | 0.54 | 0.31 | 0.23 | 0.29 | 0.17 | 0.17 | 0.08 | 0.10 | 0.08 | 0.00 | 0.02 | 0.00 |
| 2026-10-07 | 55.32 | 25.98 | 4.24 | 4.16 | 3.50 | 2.23 | 1.89 | 0.34 | 0.68 | 0.14 | 0.38 | 0.28 | 0.28 | 0.29 | 0.16 | 0.07 | 0.01 | 0.06 | 0.00 |
| 2026-10-06 | 57.27 | 21.84 | 5.98 | 5.47 | 4.65 | 1.78 | 1.23 | 0.55 | 0.29 | 0.18 | 0.21 | 0.15 | 0.08 | 0.12 | 0.08 | 0.03 | 0.04 | 0.04 | 0.00 |
| 2026-10-05 | 49.78 | 26.92 | 5.38 | 5.99 | 3.77 | 3.12 | 1.66 | 1.00 | 0.62 | 0.12 | 0.46 | 0.48 | 0.06 | 0.34 | 0.14 | 0.04 | 0.02 | 0.11 | 0.00 |
| 2026-10-02 | 38.34 | 33.24 | 3.73 | 5.54 | 5.93 | 2.15 | 1.86 | 0.84 | 0.67 | 0.17 | 0.84 | 0.68 | 0.23 | 0.51 | 0.09 | 5.08 | 0.09 | 0.01 | 0.00 |
| 2026-10-01 | 43.56 | 35.66 | 5.22 | 3.82 | 3.93 | 2.13 | 1.63 | 0.96 | 0.58 | 0.15 | 0.81 | 0.48 | 0.26 | 0.31 | 0.17 | 0.22 | 0.09 | 0.02 | 0.00 |
| 2026-09-30 | 36.83 | 44.47 | 4.40 | 4.74 | 3.28 | 1.75 | 1.06 | 0.84 | 0.81 | 0.24 | 0.57 | 0.23 | 0.20 | 0.32 | 0.13 | 0.10 | 0.00 | 0.03 | 0.00 |
| 2026-09-29 | 48.21 | 28.54 | 7.26 | 5.06 | 3.27 | 2.63 | 1.24 | 1.07 | 0.93 | 0.35 | 0.57 | 0.17 | 0.27 | 0.26 | 0.08 | 0.08 | 0.01 | 0.00 | 0.00 |
| 2026-09-28 | 41.78 | 33.80 | 7.55 | 6.51 | 3.69 | 2.23 | 1.49 | 1.12 | 0.37 | 0.30 | 0.42 | 0.31 | 0.12 | 0.13 | 0.13 | 0.04 | 0.00 | 0.01 | 0.00 |
| 2026-09-25 | 55.46 | 20.37 | 11.07 | 2.85 | 3.33 | 1.71 | 1.25 | 0.70 | 0.84 | 0.21 | 0.50 | 0.62 | 0.14 | 0.47 | 0.20 | 0.26 | 0.01 | 0.03 | 0.00 |
| 2026-09-24 | 55.27 | 28.59 | 5.71 | 4.20 | 2.01 | 1.58 | 0.81 | 0.60 | 0.32 | 0.13 | 0.15 | 0.19 | 0.08 | 0.16 | 0.07 | 0.09 | 0.04 | 0.01 | 0.00 |
| 2026-09-23 | 48.63 | 30.22 | 4.91 | 6.98 | 3.68 | 1.26 | 1.57 | 0.62 | 0.53 | 0.28 | 0.26 | 0.21 | 0.32 | 0.29 | 0.16 | 0.06 | 0.01 | 0.00 | 0.00 |
| 2026-09-22 | 36.01 | 46.10 | 3.61 | 5.04 | 3.13 | 1.52 | 0.93 | 0.72 | 0.71 | 0.51 | 0.32 | 0.27 | 0.13 | 0.40 | 0.33 | 0.07 | 0.00 | 0.22 | 0.00 |
| 2026-09-21 | 54.13 | 25.88 | 8.59 | 3.35 | 2.54 | 1.14 | 0.62 | 0.62 | 0.70 | 0.46 | 0.47 | 0.11 | 0.14 | 0.13 | 0.24 | 0.01 | 0.00 | 0.86 | 0.00 |
| 2026-09-18 | 38.00 | 48.82 | 3.34 | 2.80 | 2.51 | 1.28 | 1.04 | 0.52 | 0.40 | 0.13 | 0.42 | 0.20 | 0.18 | 0.13 | 0.21 | 0.02 | 0.00 | 0.01 | 0.00 |
| 2026-09-17 | 46.79 | 31.41 | 5.45 | 3.77 | 5.08 | 1.90 | 1.50 | 0.72 | 0.38 | 0.22 | 0.32 | 0.09 | 0.05 | 0.13 | 0.08 | 2.10 | 0.00 | 0.01 | 0.00 |
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