ACLS
Axcelis Technologies IncCompany with tickers: ACLS
CIK
1113232
CUSIP
054540208
Shares Outstanding
30,733,897
Website
https://www.axcelis.com
13F Activity (30d)
16 filings
14 filers
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
61/100
Short interest 8.3% of shares — P85
Days to cover 5.4 — P75
Short-volume trend -7.9% — P24
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-29 | 2,546,993 | 2,631,151 | -84,158 | 5.38 |
| 2026-05-15 | 2,631,151 | 2,990,185 | -359,034 | 3.26 |
| 2026-04-30 | 2,990,185 | 3,501,747 | -511,562 | 3.78 |
| 2026-04-15 | 3,501,747 | 3,797,370 | -295,623 | 6.09 |
| 2026-03-31 | 3,797,370 | 3,702,963 | +94,407 | 4.99 |
Showing 1–5 of 5 settlements