ACLS
Axcelis Technologies IncCompany with tickers: ACLS
CIK
1113232
CUSIP
054540208
Shares Outstanding
30,733,897
13F Activity (30d)
204 filings
200 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 1,638,710 | 702,486 | 2,341,196 | 42.9% |
| 2026-04-27 | 924,613 | 376,138 | 1,300,751 | 49.9% |
| 2026-04-20 | 1,522,541 | 543,913 | 2,066,454 | 47.9% |
| 2026-04-13 | 809,084 | 402,813 | 1,211,897 | 47.3% |
| 2026-04-06 | 845,663 | 454,627 | 1,300,290 | 43.9% |
| 2026-03-30 | 555,482 | 336,290 | 891,772 | 39.9% |
| 2026-03-23 | 1,195,822 | 544,314 | 1,740,136 | 38.6% |
| 2026-03-16 | 742,747 | 465,003 | 1,207,750 | 34.4% |
| 2026-03-09 | 916,354 | 254,143 | 1,170,497 | 37.4% |
| 2026-03-02 | 1,132,130 | 410,325 | 1,542,455 | 36.3% |
| 2026-02-23 | 1,458,204 | 411,353 | 1,869,557 | 45.1% |
| 2026-02-16 | 2,860,549 | 1,270,476 | 4,131,025 | 42.4% |
| 2026-02-09 | 1,008,638 | 381,125 | 1,389,763 | 38.6% |
| 2026-02-02 | 1,440,146 | 364,217 | 1,804,363 | 42.5% |
| 2026-01-26 | 752,089 | 292,993 | 1,045,082 | 42.7% |
| 2026-01-19 | 586,238 | 272,026 | 858,264 | 41.3% |
| 2026-01-12 | 863,424 | 409,878 | 1,273,302 | 45.3% |
| 2026-01-05 | 923,061 | 598,343 | 1,521,404 | 44.0% |
| 2025-12-29 | 234,721 | 162,779 | 397,500 | 37.7% |
| 2025-12-22 | 276,598 | 132,826 | 409,424 | 40.1% |
| 2025-12-15 | 744,985 | 395,696 | 1,140,681 | 36.3% |
Showing 1–21 of 21 weeks