AC Immune Ownership | Who Owns AC Immune?
AC Immune Ownership Summary
AC Immune is owned by 24.47% institutional investors, 38.01% insiders, and 37.52% retail investors. Bvf inc/il is the largest institutional shareholder, holding 19.70% of ACIU shares. iShares Biotechnology ETF is the top mutual fund, with 0.37% of its assets in AC Immune shares.
ACIU Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | AC Immune | 24.47% | 38.01% | 37.52% |
| Sector | Healthcare Stocks | 42.64% | 10.86% | 46.50% |
| Industry | Biotech Stocks | 45.45% | 10.77% | 43.78% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Bvf inc/il | 19.82M | 19.70% | $57.29M |
| Blackrock | 2.61M | 2.62% | $10.40M |
| Wells fargo & company/mn | 1.01M | 1.00% | $2.92M |
| Renaissance | 668.87K | 0.67% | $2.10M |
| Blackrock funding, inc. /de | 502.17K | 0.51% | $1.58M |
| Acadian asset management | 464.70K | 0.47% | $1.44M |
| Northern trust | 281.95K | 0.28% | $814.84K |
| Dimensional fund advisors lp | 213.46K | 0.22% | $670.37K |
| Ubs group | 194.35K | 0.20% | $610.26K |
| Millennium management | 119.04K | 0.11% | $321.41K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Bvf inc/il | 19.82M | 2.32% | $57.29M |
| Silverberg bernstein capital management | 10.00K | 0.02% | $31.30K |
| China universal asset management | 16.36K | 0.00% | $51.38K |
| Renaissance | 668.87K | 0.00% | $2.10M |
| Acadian asset management | 464.70K | 0.00% | $1.44M |
| Quinn opportunity partners | 10.10K | 0.00% | $29.19K |
| Banque cantonale vaudoise | 7.89K | 0.00% | $25.00K |
| Activest wealth management | 1.00K | 0.00% | $3.14K |
| Wells fargo & company/mn | 1.01M | 0.00% | $2.92M |
| Tower research capital llc (trc) | 3.31K | 0.00% | $9.55K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ubs group | 194.35K | 0.00% | 177.93K |
| Blackrock funding, inc. /de | 502.17K | - | 90.32K |
| Blackrock | 2.61M | 0.00% | 65.48K |
| Acadian asset management | 464.70K | 0.00% | 51.46K |
| Dimensional fund advisors lp | 213.46K | 0.00% | 36.35K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Redmile group | - | - | -1.03M |
| Avidity partners management lp | - | - | -825.00K |
| Platinum investment management | - | - | -739.34K |
| Deutsche bank ag\ | - | - | -253.38K |
| Assenagon asset management | - | - | -189.89K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Nomura | 20.00K | 0.00% | 20.00K | $79.80K |
| Private advisor group | 16.60K | 0.00% | 16.60K | $47.97M |
| Jane street group | 10.71K | - | 10.71K | $33.63K |
| Rockefeller capital management | 1.00K | - | 1.00K | $2.89K |
Sold Out
| Holder | Change |
|---|---|
| Farther finance advisors | -10.00 |
| Qube research | -48.00 |
| Sjs investment consulting | -200.00 |
| Lazard asset management | -813.00 |
| Zurcher kantonalbank (zurich cantonalbank) | -3.12K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 42 | 13.51% | 24,624,045 | 1.47% | 24 | 4.19% | 20 | 17.65% | 11 | - |
| Jun 30, 2025 | 40 | -4.76% | 24,481,622 | -5.54% | 24 | 3.66% | 18 | - | 11 | -26.67% |
| Mar 31, 2025 | 42 | -10.64% | 25,918,010 | -5.30% | 25 | 4.17% | 19 | -17.39% | 14 | - |
| Dec 31, 2024 | 46 | -2.13% | 27,366,858 | -2.95% | 24 | 3.79% | 22 | 57.14% | 14 | -30.00% |
| Sep 30, 2024 | 47 | -2.08% | 28,199,176 | -1.31% | 28 | 3.42% | 14 | -39.13% | 20 | 25.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Biotechnology ETF | 369.80K | 0.37% | - |
| BlackRock Health Sciences Term Trust | 258.71K | 0.26% | -370.12K |
| DWS ESG Biotech LC | 253.39K | 0.25% | - |
| Monega ARIAD Innovation R | 130.00K | 0.13% | - |
| BlackRock Health Sciences Opps Inv A | 115.87K | 0.12% | -242.44K |
| ALPS Medical Breakthroughs ETF | 79.77K | 0.08% | 628.00 |
| Fidelity Nasdaq Composite Index | 63.60K | 0.06% | 260.00 |
| BlackRock Health Sciences | 62.90K | 0.06% | -15.28K |
| Blackrock Health Sciences Trust | 62.90K | 0.06% | -15.28K |
| iShares Nasdaq US Biotech ETF USD Acc | 55.18K | 0.05% | - |
ACIU Ownership FAQ
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