ACLS

Axcelis Technologies Inc

Company 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.

1M 3M 6M 1Y 5Y All

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%

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