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AC Immune ACIU · USD

Health Care · US listing · 🇺🇸 United States

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2.44

+9.42%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BVF INC/IL19.8m19.74%—30 Jun 2026
WELLS FARGO & COMPANY/MN1m1.00%−24330 Jun 2026
RENAISSANCE TECHNOLOGIES LLC840.1k0.84%+215.8k30 Jun 2026
MILLENNIUM MANAGEMENT LLC773.6k0.77%−19.1k30 Jun 2026
BLACKROCK, INC.519.3k0.52%−5k30 Jun 2026
DIMENSIONAL FUND ADVISORS LP340.1k0.34%−50.1k30 Jun 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP233k0.23%−172.7k30 Jun 2026
CITADEL ADVISORS LLC207.6k0.21%−59.6k30 Jun 2026
MORGAN STANLEY131.8k0.13%+42.6k30 Jun 2026
TWO SIGMA INVESTMENTS, LP102.8k0.10%+63.7k30 Jun 2026
QUBE RESEARCH & TECHNOLOGIES LTD92.4k0.09%+92.4k30 Jun 2026
UBS GROUP AG85.6k0.09%−16k30 Jun 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP69.9k0.07%+44.3k30 Jun 2026
GEODE CAPITAL MANAGEMENT, LLC61.9k0.06%−1.7k30 Jun 2026
JUMP FINANCIAL, LLC24.1k0.02%+12.9k30 Jun 2026

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

3.3m

-7.4% on the period before. 14.9 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

75.7%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 29 Sept 2026290 shares
  • 28 Sept 2026290 shares
  • 24 Sept 202610,348 shares
  • 16 Sept 2026806 shares
  • 15 Sept 20262,911 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.