ACLS

AXCELIS TECHNOLOGIES INC

Company with tickers: ACLS

CIK
1113232
CUSIP
054540208
Shares Outstanding
30,729,970

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
2026-03-13 3,702,963 3,698,624 +4,339 5.09
2026-02-27 3,698,624 4,989,876 -1,291,252 2.54
2026-02-13 4,989,876 4,751,091 +238,785 6.44
2026-01-30 4,751,091 4,639,745 +111,346 9.45
2026-01-15 4,639,745 4,011,398 +628,347 7.66
2025-12-31 4,011,398 4,214,041 -202,643 10.77
2025-12-15 4,214,041 4,071,565 +142,476 7.26
2025-11-28 4,071,565 3,815,940 +255,625 8.68
2025-11-14 3,815,940 4,379,799 -563,859 4.94
2025-10-31 4,379,799 4,473,247 -93,448 8.56
2025-10-15 4,473,247 3,961,139 +512,108 4.30
2025-09-30 3,961,139 4,670,219 -709,080 7.08
2025-09-15 4,670,219 4,569,189 +101,030 11.32
2025-08-29 4,569,189 4,581,970 -12,781 11.20
2025-08-15 4,581,970 5,284,394 -702,424 6.60
2025-07-31 5,284,394 5,357,781 -73,387 11.52
2025-07-15 5,357,781 5,406,017 -48,236 13.75
2025-06-30 5,406,017 5,300,362 +105,655 9.27
2025-06-13 5,300,362 5,443,014 -142,652 7.07
2025-05-30 5,443,014 5,218,172 +224,842 12.84
2025-05-15 5,218,172 5,612,077 -393,905 6.60
2025-04-30 5,612,077 5,308,489 +303,588 10.82
2025-04-15 5,308,489 4,684,455 +624,034 5.79
2025-03-31 4,684,455 4,696,951 -12,496 7.80