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AC Immune (ACIU) Institutional Ownership

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$2.72 -0.09 (-3.20%)
Closing price 04:00 PM Eastern
Extended Trading
$2.72 +0.00 (+0.18%)
As of 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for AC Immune (NASDAQ:ACIU)

Current
Institutional Ownership
Percentage
51.36%
Number of
Institutional Buyers
(last 12 months)
9
Total
Institutional Inflows
(last 12 months)
$2.01M
Number of
Institutional Sellers
(last 12 months)
8
Total
Institutional Outflows
(last 12 months)
$803.49K
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ACIU Institutional Buying and Selling by Quarter

AC Immune Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/21/2026AXQ Capital LP10,398$25K0.0%N/A0.010%
5/19/2026Bank of America Corp DE17,437$48K0.0%-18.8%0.017%
5/14/2026Renaissance Technologies LLC624,367$1.72M0.0%-6.7%0.614%
5/14/2026Arrowstreet Capital Limited Partnership405,658$1.12M0.0%+8.0%0.399%
5/7/2026Dimensional Fund Advisors LP390,165$1.07M0.0%+82.8%0.383%
2/18/2026Millennium Management LLC933,342$2.93M0.0%-5.7%0.930%
2/17/2026EFG International AG12,900$41K0.0%N/A0.013%
2/13/2026Marshall Wace LLP186,709$586K0.0%N/A0.186%
2/13/2026Wells Fargo & Company MN1,006,289$3.16M0.0%-0.4%1.002%
2/12/2026Renaissance Technologies LLC668,867$2.10M0.0%-13.2%0.666%
2/12/2026Dimensional Fund Advisors LP213,464$670K0.0%+20.5%0.213%
2/10/2026Goldman Sachs Group Inc.18,555$58K0.0%+46.9%0.018%
2/6/2026Banque Cantonale Vaudoise7,892$25K0.0%-57.2%0.008%
11/17/2025Susquehanna International Group LLP21,840$63K0.0%N/A0.022%
11/14/2025Two Sigma Investments LP16,775$48K0.0%-45.3%0.017%
11/13/2025Sei Investments Co.15,884$46K0.0%-36.2%0.016%
11/13/2025Private Advisor Group LLC16,600$48K0.0%N/A0.017%
11/12/2025Dimensional Fund Advisors LP177,111$513K0.0%-10.9%0.176%
10/7/2025Assenagon Asset Management S.A.189,892$549K0.0%N/A0.189%
8/14/2025Sei Investments Co.24,897$51K0.0%N/A0.025%
8/13/2025Marshall Wace LLP135,841$276K0.0%-36.0%0.135%
8/12/2025Handelsbanken Fonder AB105,000$213K0.0%-19.2%0.105%
5/21/2025Acadian Asset Management LLC371,177$679K0.0%+87.1%0.370%
5/16/2025BVF Inc. IL19,822,436$37.07M1.5%+1.5%19.741%
5/8/2025Banque Cantonale Vaudoise26,712$50K0.0%N/A0.027%
4/15/2025Handelsbanken Fonder AB130,000$243K0.0%-13.3%0.129%
2/17/2025Squarepoint Ops LLC43,784$118K0.0%N/A0.044%
2/17/2025Two Sigma Advisers LP13,410$36K0.0%N/A0.014%
2/17/2025Two Sigma Investments LP40,818$110K0.0%-28.8%0.041%
2/17/2025Redmile Group LLC1,034,299$2.79M0.2%-38.9%1.045%
2/17/2025Millennium Management LLC119,040$321K0.0%-28.3%0.120%
2/17/2025Cantor Fitzgerald L. P.25,000$68K0.0%N/A0.025%
2/14/2025Jane Street Group LLC24,283$66K0.0%N/A0.025%
2/14/2025Northern Trust Corp403,031$1.09M0.0%N/A0.407%
2/14/2025Boothbay Fund Management LLC14,046$38K0.0%N/A0.014%
2/14/2025Dimensional Fund Advisors LP131,410$355K0.0%+130.3%0.133%
2/13/2025Marshall Wace LLP66,318$179K0.0%-33.3%0.067%
2/13/2025Quinn Opportunity Partners LLC10,100$27K0.0%N/A0.010%
2/13/2025Renaissance Technologies LLC740,198$2.00M0.0%+14.6%0.748%
2/13/2025Wells Fargo & Company MN995,636$2.69M0.0%-10.1%1.006%
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2/12/2025RPO LLC18,728$51K0.0%N/A0.019%
2/12/2025Geode Capital Management LLC64,090$173K0.0%+9.9%0.065%
11/16/2024Geode Capital Management LLC58,296$220K0.0%+6.4%0.059%
11/15/2024Redmile Group LLC1,694,167$6.40M0.4%-6.3%1.712%
11/8/2024Banque Cantonale Vaudoise18,562$70K0.0%-27.0%0.019%
10/25/2024China Universal Asset Management Co. Ltd.19,021$72K0.0%+63.7%0.019%
10/23/2024Assenagon Asset Management S.A.223,880$846K0.0%-49.1%0.226%
9/16/2024Cubist Systematic Strategies LLC54,610$218K0.0%N/A0.055%
8/14/2024Cubist Systematic Strategies LLC54,610$218K0.0%N/A0.055%
8/9/2024Renaissance Technologies LLC652,079$2.60M0.0%+26.4%0.659%
8/8/2024Vanguard Capital Wealth Advisors14,000$56K0.0%N/A0.014%
7/31/2024Banque Cantonale Vaudoise25,418$101K0.0%-53.0%0.026%
7/18/2024Assenagon Asset Management S.A.439,730$1.76M0.0%+294.7%0.445%
7/12/2024Silverberg Bernstein Capital Management LLC10,000$40K0.0%N/A0.010%
5/16/2024Redmile Group LLC2,007,031$5.94M0.2%+0.4%2.029%
5/15/2024Lazard Asset Management LLC10,260$30K0.0%N/A0.010%
5/14/2024Platinum Investment Management Ltd.1,095,026$3.24M0.1%-27.7%1.107%
5/1/2024BNP Paribas Financial Markets11,092$33K0.0%+315.6%0.011%
4/29/2024China Universal Asset Management Co. Ltd.19,008$56K0.0%+96.5%0.019%
2/15/2024BVF Inc. IL14,571,236$72.86M1.8%+96.2%17.254%
2/14/2024Avidity Partners Management LP4,469,080$22.35M0.8%+50.5%5.292%
2/14/2024Platinum Investment Management Ltd.1,515,585$7.58M0.3%+14.6%1.795%
2/9/2024Nixon Peabody Trust Co.12,850$64K0.0%N/A0.015%
1/24/2024China Universal Asset Management Co. Ltd.9,674$48K0.0%N/A0.011%
11/14/2023Avidity Partners Management LP2,969,800$8.46M0.3%+2.3%3.552%
8/11/2023Platinum Investment Management Ltd.1,322,462$3.91M0.1%+22.2%1.582%
8/9/2023Banque Cantonale Vaudoise80,701$239K0.0%+22.6%0.097%
5/11/2023Citigroup Inc.870,179$2.04M0.0%N/A1.041%
4/20/2023Banque Cantonale Vaudoise65,803$154K0.0%+54.9%0.079%
4/18/2023Assenagon Asset Management S.A.111,418$261K0.0%-81.2%0.133%
2/15/2023Avidity Partners Management LP325,400$664K0.0%+18.4%0.389%
2/13/2023Platinum Investment Management Ltd.1,082,462$2.21M0.1%+2.2%1.296%
2/10/2023Banque Cantonale Vaudoise42,488$86K0.0%+92.6%0.051%
1/12/2023Assenagon Asset Management S.A.592,044$1.21M0.0%N/A0.709%
11/10/2022Kingsbury Capital Investment Advisors LLC27,291$86K0.1%+44.6%0.033%
8/11/2022Platinum Investment Management Ltd.1,059,462$3.83M0.1%-0.3%1.268%


ACIU Institutional Ownership - Frequently Asked Questions

During the previous two years, 30 institutional investors and hedge funds held shares of AC Immune. The most heavily invested institutionals were BVF Inc. IL ($37.07M), Wells Fargo & Company MN ($3.16M), Millennium Management LLC ($2.93M), Redmile Group LLC ($2.79M), Renaissance Technologies LLC ($1.72M), Arrowstreet Capital Limited Partnership ($1.12M), and Northern Trust Corp ($1.09M).Learn more on AC Immune's institutional investors.

51.36% of AC Immune's stock is owned by institutional investors. Learn more on ACIU's institutional investor holdings.

Of the 24 institutional investors that purchased AC Immune's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Northern Trust Corp ($403.03K), BVF Inc. IL ($300K), Dimensional Fund Advisors LP ($287.41K), Assenagon Asset Management S.A. ($189.89K), Marshall Wace LLP ($186.71K), Acadian Asset Management LLC ($172.80K), and Renaissance Technologies LLC ($94.19K).

Institutional investors have bought a total of 687,348 shares in the last 24 months. This purchase volume represents approximately $2.01M in transactions.

The following institutional investors have sold AC Immune stock in the last 24 months: Renaissance Technologies LLC ($146.05K), Millennium Management LLC ($56.09K), Dimensional Fund Advisors LP ($21.58K), Two Sigma Investments LP ($13.92K), Banque Cantonale Vaudoise ($10.55K), Sei Investments Co. ($9.01K), and Wells Fargo & Company MN ($4.23K).

Institutional investors have sold a total of 265,459 shares in the last 24 months. This volume of shares sold represents approximately $803.49K in transactions.


Related Companies

Institutional ownership data for NASDAQ:ACIU is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/21/2026. New 13F filings are added each quarter as they're published.
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