ACIU
AC IMMUNE N (ACIU)
NASDAQ
$2.50+$0.02 (+1.01%)
Price as of Oct 22, 2026 7:30 PM EDT
  • $271.9M
    Market Cap
  • -7.49%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BVF INC/IL
19.48%
19.8M
0 (0.00%)
Jun 30, 2026
BLACKROCK INC.
2.56%
2.6M
+65,479 (+2.51%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
2.17%
2.2M
-461,789 (-20.87%)
Dec 31, 2024
WELLS FARGO & COMPANY/MN
0.99%
1.0M
-243 (-0.02%)
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
0.83%
840,127
+215,760 (+25.68%)
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
0.76%
773,594
-19,063 (-2.46%)
Jun 30, 2026
BLACKROCK, INC.
0.51%
519,274
-5,004 (-0.96%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions425.6M (92.93%)
  • Mutual Funds28.3M (6.19%)
  • Insiders4.1M (0.89%)
  • Other0 (0.00%)

Insider Transactions

  • 0.89% (4.1M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
June Carl Howard
Award
Jun 11, 2026
$0.00
38,889
$0.00
38,889
June Carl Howard
Award
Jun 11, 2026
$0.00
16,568
$0.00
67,556