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AC Immune (ACIU) Institutional Ownership

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$2.21 +0.17 (+8.33%)
Closing price 09/2/2025 04:00 PM Eastern
Extended Trading
$2.13 -0.08 (-3.80%)
As of 04:05 AM 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 Polygon.io. 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)
17
Total
Institutional Inflows
(last 12 months)
$3.21M
Number of
Institutional Sellers
(last 12 months)
8
Total
Institutional Outflows
(last 12 months)
$3.86M
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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
8/14/2025 Sei Investments Co.24,897$51K0.0%N/A0.025%
8/13/2025 Marshall Wace LLP135,841$276K0.0%-36.0%0.135%
8/12/2025 Handelsbanken Fonder AB105,000$213K0.0%-19.2%0.105%
5/21/2025 Acadian Asset Management LLC371,177$679K0.0%+87.1%0.370%
5/16/2025 BVF Inc. IL19,822,436$37.07M1.5%+1.5%19.741%
5/8/2025 Banque Cantonale Vaudoise26,712$50K0.0%N/A0.027%
4/15/2025 Handelsbanken Fonder AB130,000$243K0.0%-13.3%0.129%
2/17/2025 Squarepoint Ops LLC43,784$118K0.0%N/A0.044%
2/17/2025 Two Sigma Advisers LP13,410$36K0.0%N/A0.014%
2/17/2025 Two Sigma Investments LP40,818$110K0.0%-28.8%0.041%
2/17/2025 Redmile Group LLC1,034,299$2.79M0.2%-38.9%1.045%
2/17/2025 Millennium Management LLC119,040$321K0.0%-28.3%0.120%
2/17/2025 Cantor Fitzgerald L. P.25,000$68K0.0%N/A0.025%
2/14/2025 Jane Street Group LLC24,283$66K0.0%N/A0.025%
2/14/2025 Northern Trust Corp403,031$1.09M0.0%N/A0.407%
2/14/2025 Boothbay Fund Management LLC14,046$38K0.0%N/A0.014%
2/14/2025 Dimensional Fund Advisors LP131,410$355K0.0%+130.3%0.133%
2/13/2025 Marshall Wace LLP66,318$179K0.0%-33.3%0.067%
2/13/2025 Quinn Opportunity Partners LLC10,100$27K0.0%N/A0.010%
2/13/2025 Renaissance Technologies LLC740,198$2.00M0.0%+14.6%0.748%
2/13/2025 Wells Fargo & Company MN995,636$2.69M0.0%-10.1%1.006%
2/12/2025 RPO LLC18,728$51K0.0%N/A0.019%
2/12/2025 Geode Capital Management LLC64,090$173K0.0%+9.9%0.065%
11/16/2024 Geode Capital Management LLC58,296$220K0.0%+6.4%0.059%
11/15/2024 Redmile Group LLC1,694,167$6.40M0.4%-6.3%1.712%
11/8/2024 Banque Cantonale Vaudoise18,562$70K0.0%-27.0%0.019%
10/25/2024 China Universal Asset Management Co. Ltd.19,021$72K0.0%+63.7%0.019%
10/23/2024 Assenagon Asset Management S.A.223,880$846K0.0%-49.1%0.226%
9/16/2024 Cubist Systematic Strategies LLC54,610$218K0.0%N/A0.055%
8/14/2024 Cubist Systematic Strategies LLC54,610$218K0.0%N/A0.055%
8/9/2024 Renaissance Technologies LLC652,079$2.60M0.0%+26.4%0.659%
8/8/2024 Vanguard Capital Wealth Advisors14,000$56K0.0%N/A0.014%
7/31/2024 Banque Cantonale Vaudoise25,418$101K0.0%-53.0%0.026%
7/18/2024 Assenagon Asset Management S.A.439,730$1.76M0.0%+294.7%0.445%
7/12/2024 Silverberg Bernstein Capital Management LLC10,000$40K0.0%N/A0.010%
5/16/2024 Redmile Group LLC2,007,031$5.94M0.2%+0.4%2.029%
5/15/2024 Lazard Asset Management LLC10,260$30K0.0%N/A0.010%
5/14/2024 Platinum Investment Management Ltd.1,095,026$3.24M0.1%-27.7%1.107%
5/1/2024 BNP Paribas Financial Markets11,092$33K0.0%+315.6%0.011%
4/29/2024 China Universal Asset Management Co. Ltd.19,008$56K0.0%+96.5%0.019%
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2/15/2024 BVF Inc. IL14,571,236$72.86M1.8%+96.2%17.254%
2/14/2024 Avidity Partners Management LP4,469,080$22.35M0.8%+50.5%5.292%
2/14/2024 Platinum Investment Management Ltd.1,515,585$7.58M0.3%+14.6%1.795%
2/9/2024 Nixon Peabody Trust Co.12,850$64K0.0%N/A0.015%
1/24/2024 China Universal Asset Management Co. Ltd.9,674$48K0.0%N/A0.011%
11/14/2023 Avidity Partners Management LP2,969,800$8.46M0.3%+2.3%3.552%
8/11/2023 Platinum Investment Management Ltd.1,322,462$3.91M0.1%+22.2%1.582%
8/9/2023 Banque Cantonale Vaudoise80,701$239K0.0%+22.6%0.097%
5/11/2023 Citigroup Inc.870,179$2.04M0.0%N/A1.041%
4/20/2023 Banque Cantonale Vaudoise65,803$154K0.0%+54.9%0.079%
4/18/2023 Assenagon Asset Management S.A.111,418$261K0.0%-81.2%0.133%
2/15/2023 Avidity Partners Management LP325,400$664K0.0%+18.4%0.389%
2/13/2023 Platinum Investment Management Ltd.1,082,462$2.21M0.1%+2.2%1.296%
2/10/2023 Banque Cantonale Vaudoise42,488$86K0.0%+92.6%0.051%
1/12/2023 Assenagon 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%
8/11/2022 Platinum Investment Management Ltd.1,059,462$3.83M0.1%-0.3%1.268%
5/16/2022 Eversept Partners LP124,589$498K0.0%-18.8%0.149%
5/11/2022 Handelsbanken Fonder AB101,064$404K0.0%N/A0.121%
5/9/2022 Banque Cantonale Vaudoise21,617$86K0.0%-57.6%0.026%
2/17/2022Metatron Capital SICAV plc44,000$218K0.2%N/A0.061%
2/14/2022 Lombard Odier Asset Management Switzerland SA348,196$1.72M0.1%+9.2%0.479%
2/14/2022 Virtus ETF Advisers LLC32,852$163K0.1%+14.5%0.045%
2/14/2022 Eversept Partners LP153,380$759K0.1%-30.8%0.211%
2/14/2022 GSA Capital Partners LLP73,046$362K0.0%N/A0.101%
2/8/2022 ProShare Advisors LLC11,230$56K0.0%-34.1%0.015%
2/1/2022 Assenagon Asset Management S.A.147,435$730K0.0%N/A0.203%
12/1/2021 Balyasny Asset Management LLC733,180$4.92M0.0%+181.1%1.009%
11/22/2021 EcoR1 Capital LLC751,251$5.04M0.2%-71.6%1.034%
11/16/2021 Suvretta Capital Management LLC963,500$6.47M0.1%N/A1.326%
11/16/2021ACT Capital L.L.C.21,500$144K0.1%N/A0.030%
11/16/2021 Two Sigma Advisers LP112,744$757K0.0%+23.7%0.155%
11/16/2021 Two Sigma Investments LP64,051$430K0.0%-67.7%0.088%
11/16/2021 Two Sigma Securities LLC11,276$76K0.0%N/A0.016%
11/16/2021 Verition Fund Management LLC56,744$381K0.0%N/A0.078%
11/16/2021 BVF Inc. IL6,935,179$46.54M1.8%-18.8%9.546%
11/15/2021 Point72 Asset Management L.P.228,000$1.53M0.0%-39.5%0.314%
11/15/2021 Pura Vida Investments LLC35,000$235K0.0%N/A0.048%
11/15/2021 Marshall Wace LLP58,378$391K0.0%-17.9%0.080%
11/15/2021 Sphera Funds Management LTD.121,019$812K0.1%N/A0.167%
11/15/2021 Balyasny Asset Management LLC733,180$4.92M0.0%+181.1%1.009%
11/15/2021 Eversept Partners LP221,749$1.49M0.1%N/A0.305%
11/15/2021 Lombard Odier Asset Management Switzerland SA318,745$2.14M0.1%+10.2%0.439%
11/12/2021 Jump Financial LLC31,600$212K0.0%N/A0.043%
11/12/2021 Bellevue Group AG139,000$933K0.0%N/A0.191%
11/9/2021 Barclays PLC7,068$48K0.0%+5,889.8%0.010%
11/9/2021BlackRock Inc.307,231$2.06M0.0%-11.8%0.423%
11/9/2021 Platinum Investment Management Ltd.1,062,462$7.13M0.2%+148.5%1.462%
11/9/2021 TD Asset Management Inc.28,900$194K0.0%N/A0.040%
11/8/2021 Saturna Capital CORP11,100$74K0.0%-64.9%0.015%
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11/5/2021 Advisor Group Holdings Inc.4,200$28K0.0%+320.0%0.006%
10/29/2021 Banque Cantonale Vaudoise52,019$349K0.0%-27.4%0.072%
8/25/2021 Marshall Wace LLP71,063$563K0.0%N/A0.098%
8/18/2021 Ikarian Capital LLC196,208$1.56M0.1%+63.8%0.270%
8/17/2021 Wells Fargo & Company MN335,104$2.66M0.0%+4.4%0.461%
8/17/2021 Walleye Trading LLC19,444$154K0.0%N/A0.027%
8/17/2021 Balyasny Asset Management LLC260,856$2.07M0.0%+901.1%0.359%
8/17/2021 Boothbay Fund Management LLC22,079$175K0.0%+64.5%0.030%
8/17/2021 BVF Inc. IL8,545,179$67.76M2.5%+13.9%11.762%
8/16/2021 PDT Partners LLC33,893$269K0.0%-7.9%0.047%
(Data available from 1/1/2016 forward)

ACIU Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ACIU shares?

During the previous two years, 31 institutional investors and hedge funds held shares of AC Immune. The most heavily invested institutionals were BVF Inc. IL ($37.07M), Avidity Partners Management LP ($22.35M), Platinum Investment Management Ltd. ($3.24M), Redmile Group LLC ($2.79M), Wells Fargo & Company MN ($2.69M), Renaissance Technologies LLC ($2.00M), and Northern Trust Corp ($1.09M).Learn more on AC Immune's institutional investors.

What percentage of AC Immune's stock is owned by institutional investors?

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

Which institutional investors have been buying AC Immune's stock?

Of the 26 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: BVF Inc. IL ($7.44M), Avidity Partners Management LP ($1.57M), Northern Trust Corp ($403.03K), Assenagon Asset Management S.A. ($328.31K), Renaissance Technologies LLC ($230.49K), Platinum Investment Management Ltd. ($193.12K), and Acadian Asset Management LLC ($172.80K).

How much institutional buying is happening at AC Immune?

Institutional investors have bought a total of 1,316,639 shares in the last 24 months. This purchase volume represents approximately $3.21M in transactions.

Which of AC Immune's major shareholders have been selling company stock?

The following institutional investors have sold AC Immune stock in the last 24 months: Redmile Group LLC ($773.41K), Assenagon Asset Management S.A. ($215.85K), Wells Fargo & Company MN ($112.40K), Marshall Wace LLP ($109.40K), Millennium Management LLC ($47.10K), Handelsbanken Fonder AB ($45K), and Two Sigma Investments LP ($16.50K).

How much institutional selling is happening at AC Immune?

Institutional investors have sold a total of 1,326,515 shares in the last 24 months. This volume of shares sold represents approximately $3.86M in transactions.


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This page (NASDAQ:ACIU) was last updated on 9/3/2025 by MarketBeat.com Staff
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