AMT
American Tower Corporation
stockNYSE
At CloseNov 13, 2026 3:59:56 PM EST
191.62USD+0.964%(+1.83)1,384,365
After-hoursNov 13, 2026 4:10:30 PM EST
191.64USD+0.010%(+0.02)
As of 2026-10-30, there were 6,289,825 shares short with a short interest of 1.36%.
AMT Short Interest - Official
AMT Short Position Change - Official
AMT Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-30 | 1.36 | 6,289,825 | 1.68 | -489,141 | -7.22 | 463,763,555 | 462,882,848 |
| 2026-10-15 | 1.46 | 6,778,966 | 1.96 | -570,255 | -7.76 | 465,960,048 | 464,454,997 |
| 2026-09-30 | 1.58 | 7,349,221 | 2.43 | +1,265,129 | +20.79 | 465,960,048 | 464,524,891 |
| 2026-09-15 | 1.31 | 6,084,092 | 2.77 | +154,870 | +2.61 | 465,960,048 | 464,524,891 |
| 2026-08-31 | 1.28 | 5,929,222 | 3.06 | -1,102,843 | -15.68 | 465,960,048 | 464,524,891 |
| 2026-08-14 | 1.51 | 7,032,065 | 2.97 | -569,655 | -7.49 | 465,960,048 | 464,524,891 |
| 2026-07-31 | 1.64 | 7,601,720 | 2.20 | -38,561 | -0.50 | 465,960,048 | 464,520,231 |
| 2026-07-15 | 1.65 | 7,640,281 | 2.48 | -16,610 | -0.22 | 465,893,069 | 464,383,575 |
| 2026-06-30 | 1.65 | 7,656,891 | 1.92 | -1,295,676 | -14.47 | 465,893,069 | 464,392,893 |
| 2026-06-15 | 1.93 | 8,952,567 | 2.76 | -111,226 | -1.23 | 465,893,069 | 464,392,893 |
| 2026-05-29 | 1.95 | 9,063,793 | 2.91 | +77,212 | +0.86 | 465,893,069 | 464,388,234 |
| 2026-05-15 | 1.93 | 8,986,581 | 3.22 | +941,738 | +11.71 | 465,893,069 | 464,490,731 |
| 2026-04-30 | 1.72 | 8,044,843 | 2.60 | +1,203,782 | +17.60 | 465,893,069 | 466,793,679 |
| 2026-04-15 | 1.47 | 6,841,061 | 2.24 | -140,274 | -2.01 | 466,370,068 | 466,793,679 |
| 2026-03-31 | 1.50 | 6,981,335 | 1.88 | +444,343 | +6.80 | 466,084,820 | 466,793,679 |
| 2026-03-13 | 1.40 | 6,536,992 | 2.31 | +235,002 | +3.73 | 466,084,820 | 466,793,679 |
| 2026-02-27 | 1.35 | 6,301,990 | 2.00 | -442,861 | -6.57 | 468,146,623 | 466,793,679 |
| 2026-02-13 | 1.44 | 6,744,851 | 1.98 | +816,105 | +13.77 | 468,146,623 | 466,793,679 |
| 2026-01-30 | 1.27 | 5,928,746 | 1.64 | -686,842 | -10.38 | 468,146,623 | 466,793,679 |
| 2026-01-15 | 1.42 | 6,615,588 | 2.32 | +237,560 | +3.72 | 468,146,623 | 466,793,679 |
| 2025-12-31 | 1.37 | 6,378,028 | 2.14 | +303,641 | +5.00 | 468,146,623 | 466,793,679 |
| 2025-12-15 | 1.30 | 6,074,387 | 1.65 | +75,710 | +1.26 | 468,146,623 | 466,793,679 |
| 2025-11-28 | 1.29 | 5,998,677 | 2.07 | +134,351 | +2.29 | 468,146,623 | 466,793,679 |
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.