CSTM
Constellium SE Class A Ordinary shares
stockNYSE
At CloseOct 16, 2026 3:59:52 PM EDT
25.48USD+0.020%(+0.01)1,170,336
Pre-marketOct 16, 2026 9:03:30 AM EDT
25.46USD-0.039%(-0.01)
After-hoursOct 16, 2026 4:28:30 PM EDT
25.20USD-1.079%(-0.27)
As of 2026-09-30, there were 6,254,091 shares short with a short interest of 5.07%.
CSTM Short Interest - Official
CSTM Short Position Change - Official
CSTM Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 5.07 | 6,254,091 | 3.48 | -854,885 | -12.03 | 135,527,728 | 123,427,812 |
| 2026-09-15 | 5.76 | 7,108,976 | 5.52 | +175,208 | +2.53 | 135,527,728 | 123,427,812 |
| 2026-08-31 | 5.62 | 6,933,768 | 4.40 | +212,265 | +3.16 | 135,527,728 | 123,427,812 |
| 2026-08-14 | 5.45 | 6,721,503 | 5.14 | +564,501 | +9.17 | 135,527,728 | 123,427,812 |
| 2026-07-31 | 4.99 | 6,157,002 | 3.28 | -377,143 | -5.77 | 135,527,728 | 123,483,379 |
| 2026-07-15 | 5.26 | 6,534,145 | 4.09 | +798,213 | +13.92 | 136,150,450 | 124,186,910 |
| 2026-06-30 | 4.62 | 5,735,932 | 2.69 | -293,614 | -4.87 | 136,150,450 | 124,186,910 |
| 2026-06-15 | 4.86 | 6,029,546 | 2.98 | -50,330 | -0.83 | 136,150,450 | 124,096,368 |
| 2026-05-15 | 5.07 | 6,079,876 | 3.01 | -559,642 | -8.43 | 136,150,450 | 119,891,363 |
| 2026-04-30 | 5.76 | 6,639,518 | 2.75 | -812,261 | -10.90 | 136,150,450 | 115,344,223 |
| 2026-04-15 | 6.46 | 7,451,779 | 2.87 | +113,816 | +1.55 | 136,150,450 | 115,344,223 |
| 2026-03-31 | 6.36 | 7,337,963 | 3.42 | +258,890 | +3.66 | 135,069,771 | 115,344,223 |
| 2026-03-13 | 6.14 | 7,079,073 | 2.83 | -57,011 | -0.80 | 135,069,771 | 115,344,223 |
| 2026-02-27 | 6.19 | 7,136,084 | 2.07 | +2,344,863 | +48.94 | 137,801,779 | 115,344,223 |
| 2026-02-13 | 4.15 | 4,791,221 | 2.60 | +161,563 | +3.49 | 137,801,779 | 115,344,223 |
| 2026-01-30 | 4.01 | 4,629,658 | 3.66 | +43,568 | +0.95 | 137,801,779 | 115,344,223 |
| 2026-01-15 | 3.98 | 4,586,090 | 2.84 | +161,948 | +3.66 | 137,801,779 | 115,344,223 |
| 2025-12-31 | 3.84 | 4,424,142 | 4.51 | -309,458 | -6.54 | 137,801,779 | 115,344,223 |
| 2025-12-15 | 4.10 | 4,733,600 | 3.35 | +1,272,397 | +36.76 | 137,801,779 | 115,344,223 |
| 2025-11-28 | 3.00 | 3,461,203 | 2.98 | +143,789 | +4.33 | 137,801,779 | 115,344,223 |
| 2025-11-14 | 2.89 | 3,317,414 | 3.22 | -68,574 | -2.03 | 137,801,779 | 114,827,466 |
| 2025-10-31 | 2.94 | 3,385,988 | 2.23 | -521,526 | -13.35 | 137,801,779 | 115,112,716 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.