ACLS short interest
Axcelis Technologies Inc. · Technology · Semiconductors · settlement date 2026-09-30
| Shares short | 1,439,547 |
|---|---|
| Change vs prior report | 4,565 (+0.3%) |
| Change over six months | -62.1% |
| Days to cover | 3.80 (sector: 2.83) |
| Average daily volume | 378,497 |
| Rank in Technology | #304 of 719 by days to cover |
ACLS short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 1,439,547 | +0.3% | 3.80 | 378,497 |
| 2026-09-15 | 1,434,982 | -11.7% | 4.48 | 320,339 |
| 2026-08-31 | 1,625,367 | -3.4% | 5.28 | 307,584 |
| 2026-08-14 | 1,682,955 | +4.3% | 4.14 | 406,701 |
| 2026-07-31 | 1,612,811 | -8.9% | 3.97 | 406,026 |
| 2026-07-15 | 1,769,809 | -6.8% | 3.14 | 564,458 |
| 2026-06-30 | 1,899,085 | -0.8% | 2.65 | 716,719 |
| 2026-06-15 | 1,913,857 | -24.9% | 2.96 | 647,501 |
| 2026-05-29 | 2,546,993 | -3.2% | 5.38 | 473,035 |
| 2026-05-15 | 2,631,151 | -12.0% | 3.26 | 808,239 |
| 2026-04-30 | 2,990,185 | -14.6% | 3.78 | 791,388 |
| 2026-04-15 | 3,501,747 | -7.8% | 6.09 | 575,185 |
| 2026-03-31 | 3,797,370 | +2.5% | 4.99 | 760,614 |
| 2026-03-13 | 3,702,963 | +0.1% | 5.09 | 727,456 |
| 2026-02-27 | 3,698,624 | -25.9% | 2.54 | 1,457,097 |
| 2026-02-13 | 4,989,876 | +5.0% | 6.44 | 774,429 |
| 2026-01-30 | 4,751,091 | +2.4% | 9.45 | 502,898 |
| 2026-01-15 | 4,639,745 | +15.7% | 7.66 | 605,897 |
| 2025-12-31 | 4,011,398 | -4.8% | 10.77 | 372,299 |
| 2025-12-15 | 4,214,041 | +3.5% | 7.26 | 580,560 |
| 2025-11-28 | 4,071,565 | +6.7% | 8.68 | 469,204 |
| 2025-11-14 | 3,815,940 | -12.9% | 4.94 | 772,531 |
| 2025-10-31 | 4,379,799 | -2.1% | 8.56 | 511,810 |
| 2025-10-15 | 4,473,247 | +12.9% | 4.30 | 1,041,204 |
| 2025-09-30 | 3,961,139 | -15.2% | 7.08 | 559,277 |
import finzdata as yf
yf.Ticker("ACLS").short_interest # every report since 2017
yf.Client().short_interest(["ACLS"], start="2018-01-01")Technology short interest · ACLS price history · Who owns ACLS · All short interest