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AC Immune SA (ACIU) Ownership Overview
4.12% Insiders
0.17% Mutual Funds
<0.01% Other Institutional Investors
0.74% ETFs
94.97% Public Companies and
Individual Investors
The ownership structure of AC Immune SA (ACIU) stock is a mix of institutional, retail, and individual investors. Approximately 0.91% of the company’s stock is owned by Institutional Investors, 4.12% is owned by Insiders, and 94.97% is owned by Public Companies and Individual Investors.
Recent Insider Trading Activity
Date | Name | Activity | Value |
|---|---|---|---|
May 18, 2026 | xxxxxxxxxxxxx | $27900 | |
Apr 16, 2026 | xxxxxxxxxxxxx | $31400 |
Top Shareholders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 3,834,288 | Insider | 3.77% | 9,163,948 | |
| 596,266 | Institution | 0.59% | 1,425,076 | |
| 144,654 | Institution | 0.14% | 345,723 | |
| 105,281 | Institution | 0.10% | 251,622 | |
| 92,556 | Insider | 0.09% | 221,209 | |
| 71,656 | Insider | 0.07% | 171,258 | |
| 71,408 | Insider | 0.07% | 170,665 | |
| 67,556 | Insider | 0.07% | 161,459 | |
| 63,601 | Institution | 0.06% | 152,006 | |
| 51,136 | Insider | 0.05% | 122,215 |
Top Mutual Fund Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 105,281 | Institution | 0.10% | 251,622 | |
| 63,601 | Institution | 0.06% | 152,006 |
Top ETF Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 441,022 | Institution | 0.43% | 1,054,043 | |
| 80,741 | Institution | 0.08% | 209,927 | |
| 80,403 | Institution | 0.08% | 209,048 | |
| 44,072 | Institution | 0.04% | 121,198 | |
| 7,863 | Institution | <0.01% | 20,444 | |
| 5,748 | Institution | <0.01% | 14,945 | |
| 5,159 | Institution | <0.01% | 13,413 | |
| 3,783 | Institution | <0.01% | 9,836 | |
| 3,399 | Institution | <0.01% | 8,837 | |
| 2,823 | Institution | <0.01% | 7,340 |
FAQ
Who Owns AC Immune (ACIU)?
According to the latest TipRanks data, approximately <0.01% of the company's stock is held by institutional investors, 4.12% is held by insiders, and 94.97% is held by retail investors.
What percentage of AC Immune (ACIU) stock is held by institutional investors?
According to the latest TipRanks data, approximately <0.01% of AC Immune (ACIU) stock is held by institutional investors.
What percentage of AC Immune (ACIU) stock is held by retail investors?
According to the latest TipRanks data, approximately 94.97% of AC Immune (ACIU) stock is held by retail investors.
Who owns the most shares of AC Immune (ACIU)?
Andrea Pfeifer owns the most shares of AC Immune (ACIU).
What is the significance of the ownership structure for a publicly traded company?
The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.