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%
2026-03-09	178,049	469,682	647,731	44.7%
2026-03-02	378,236	556,557	934,793	49.0%
2026-02-23	264,020	473,649	737,669	44.3%
2026-02-16	363,338	548,479	911,817	51.9%
2026-02-09	156,051	237,800	393,851	39.5%
2026-02-02	159,839	447,774	607,613	40.3%
2026-01-26	131,621	330,187	461,808	40.0%
2026-01-19	249,978	748,942	998,920	57.0%
2026-01-12	269,834	761,684	1,031,518	55.1%
2026-01-05	422,967	955,396	1,378,363	44.0%
2025-12-29	136,107	441,180	577,287	48.8%
2025-12-22	130,833	394,197	525,030	54.1%
2025-12-15	342,260	951,973	1,294,233	45.9%

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