ACIU

AC Immune SA

Company with tickers: ACIU

CIK

1651625

CUSIP

H00263105

Shares Outstanding

101,773,573

13F Activity (30d)

32 filings 31 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	339,946	323,280	663,226	53.5%
2026-04-27	292,675	301,282	593,957	50.2%
2026-04-20	98,144	268,843	366,987	48.5%
2026-04-13	210,227	453,536	663,763	54.8%
2026-04-06	310,621	689,640	1,000,261	46.6%
2026-03-30	127,971	225,637	353,608	56.1%
2026-03-23	125,683	254,181	379,864	49.5%
2026-03-16	138,301	488,661	626,962	49.2%

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