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AC Immune (ACIU) Institutional Ownership

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$2.73 +0.21 (+8.33%)
Closing price 09/24/2025 04:00 PM Eastern
Extended Trading
$2.86 +0.13 (+4.58%)
As of 08:59 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)
16
Total
Institutional Inflows
(last 12 months)
$2.99M
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%
5/21/2025Acadian 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%
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%
5/16/2022Eversept Partners LP124,589$498K0.0%-18.8%0.149%
5/11/2022Handelsbanken Fonder AB101,064$404K0.0%N/A0.121%
5/9/2022Banque Cantonale Vaudoise21,617$86K0.0%-57.6%0.026%
2/17/2022Metatron Capital SICAV plc44,000$218K0.2%N/A0.061%
2/14/2022Lombard Odier Asset Management Switzerland SA348,196$1.72M0.1%+9.2%0.479%
2/14/2022Virtus ETF Advisers LLC32,852$163K0.1%+14.5%0.045%
2/14/2022Eversept Partners LP153,380$759K0.1%-30.8%0.211%
2/14/2022GSA Capital Partners LLP73,046$362K0.0%N/A0.101%
2/8/2022ProShare Advisors LLC11,230$56K0.0%-34.1%0.015%
2/1/2022Assenagon Asset Management S.A.147,435$730K0.0%N/A0.203%
12/1/2021Balyasny Asset Management LLC733,180$4.92M0.0%+181.1%1.009%
11/22/2021EcoR1 Capital LLC751,251$5.04M0.2%-71.6%1.034%
11/16/2021Suvretta Capital Management LLC963,500$6.47M0.1%N/A1.326%
11/16/2021ACT Capital L.L.C.21,500$144K0.1%N/A0.030%
11/16/2021Two Sigma Advisers LP112,744$757K0.0%+23.7%0.155%
11/16/2021Two Sigma Investments LP64,051$430K0.0%-67.7%0.088%
11/16/2021Two Sigma Securities LLC11,276$76K0.0%N/A0.016%
11/16/2021Verition Fund Management LLC56,744$381K0.0%N/A0.078%
11/16/2021BVF Inc. IL6,935,179$46.54M1.8%-18.8%9.546%
11/15/2021Point72 Asset Management L.P.228,000$1.53M0.0%-39.5%0.314%
11/15/2021Pura Vida Investments LLC35,000$235K0.0%N/A0.048%
11/15/2021Marshall Wace LLP58,378$391K0.0%-17.9%0.080%
11/15/2021Sphera Funds Management LTD.121,019$812K0.1%N/A0.167%
11/15/2021Balyasny Asset Management LLC733,180$4.92M0.0%+181.1%1.009%
11/15/2021Eversept Partners LP221,749$1.49M0.1%N/A0.305%
11/15/2021Lombard Odier Asset Management Switzerland SA318,745$2.14M0.1%+10.2%0.439%
11/12/2021Jump Financial LLC31,600$212K0.0%N/A0.043%
11/12/2021Bellevue Group AG139,000$933K0.0%N/A0.191%
11/9/2021Barclays PLC7,068$48K0.0%+5,889.8%0.010%
11/9/2021BlackRock Inc.307,231$2.06M0.0%-11.8%0.423%
11/9/2021Platinum Investment Management Ltd.1,062,462$7.13M0.2%+148.5%1.462%
11/9/2021TD Asset Management Inc.28,900$194K0.0%N/A0.040%
11/8/2021Saturna Capital CORP11,100$74K0.0%-64.9%0.015%
11/5/2021Advisor Group Holdings Inc.4,200$28K0.0%+320.0%0.006%
10/29/2021Banque Cantonale Vaudoise52,019$349K0.0%-27.4%0.072%
8/25/2021Marshall Wace LLP71,063$563K0.0%N/A0.098%
8/18/2021Ikarian Capital LLC196,208$1.56M0.1%+63.8%0.270%
8/17/2021Wells Fargo & Company MN335,104$2.66M0.0%+4.4%0.461%
8/17/2021Walleye Trading LLC19,444$154K0.0%N/A0.027%
8/17/2021Balyasny Asset Management LLC260,856$2.07M0.0%+901.1%0.359%
8/17/2021Boothbay Fund Management LLC22,079$175K0.0%+64.5%0.030%
8/17/2021BVF Inc. IL8,545,179$67.76M2.5%+13.9%11.762%
8/16/2021PDT 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 1,262,029 shares in the last 24 months. This purchase volume represents approximately $2.99M 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 9/25/2025 by MarketBeat.com Staff
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