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atai Life Sciences (ATAI) Institutional Ownership

atai Life Sciences logo
$4.83 +0.09 (+1.90%)
Closing price 08/26/2025 04:00 PM Eastern
Extended Trading
$4.77 -0.06 (-1.33%)
As of 07:12 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 atai Life Sciences (NASDAQ:ATAI)

Current
Institutional Ownership
Percentage
28.41%
Number of
Institutional Buyers
(last 12 months)
34
Total
Institutional Inflows
(last 12 months)
$19.15M
Number of
Institutional Sellers
(last 12 months)
14
Total
Institutional Outflows
(last 12 months)
$1.77M
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ATAI Institutional Buying and Selling by Quarter

atai Life Sciences Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/15/2025 BNP Paribas Financial Markets40,925$90K0.0%+39.7%0.020%
8/15/2025 Bank of America Corp DE109,898$241K0.0%-47.6%0.055%
8/15/2025 Adage Capital Partners GP L.L.C.5,434,782$11.90M0.0%N/A2.713%
8/14/2025 Jane Street Group LLC96,540$211K0.0%+179.6%0.048%
8/14/2025 Raymond James Financial Inc.51,752$113K0.0%-15.8%0.026%
8/14/2025 Pale Fire Capital SE2,640,384$5.78M0.6%+1.8%1.318%
8/13/2025 Diametric Capital LP53,024$116K0.1%-7.0%0.026%
8/13/2025 Marshall Wace LLP279,874$613K0.0%N/A0.140%
8/13/2025 Invesco Ltd.16,198$35K0.0%N/A0.008%
8/13/2025 Quadrature Capital Ltd32,222$70K0.0%N/A0.016%
8/8/2025 Cetera Investment Advisers17,217$38K0.0%N/A0.009%
8/8/2025 Creative Planning18,232$40K0.0%+39.0%0.009%
8/8/2025 Geode Capital Management LLC144,369$316K0.0%+55.9%0.072%
8/5/2025 Freestone Capital Holdings LLC20,000$44K0.0%-33.3%0.010%
8/4/2025 AdvisorShares Investments LLC389,762$854K0.2%-4.6%0.195%
7/23/2025 Kingswood Wealth Advisors LLC60,000$131K0.0%-14.3%0.030%
7/22/2025 Capital Advisors Inc. OK50,000$110K0.0%-28.6%0.025%
7/18/2025 Truist Financial Corp12,296$27K0.0%N/A0.006%
7/8/2025 PTM Wealth Management LLC12,500$27K0.0%N/A0.006%
6/27/2025 Goldman Sachs Group Inc.98,641$134K0.0%-42.5%0.049%
5/19/2025 Jane Street Group LLC34,523$47K0.0%-65.7%0.017%
5/16/2025 Woodline Partners LP282,185$384K0.0%-49.8%0.141%
5/16/2025 Goldman Sachs Group Inc.98,641$134K0.0%-42.5%0.049%
5/14/2025 Pale Fire Capital SE2,592,584$3.53M0.4%+421.2%1.298%
5/13/2025 American Century Companies Inc.37,981$52K0.0%N/A0.019%
5/9/2025 BIT Capital GmbH439,107$597K0.1%N/A0.220%
4/29/2025 Capital Advisors Inc. OK70,000$95K0.0%N/A0.035%
4/21/2025 Kingswood Wealth Advisors LLC70,000$93K0.0%+40.0%0.035%
4/14/2025Regent Peak Wealth Advisors LLC20,000$27K0.0%N/A0.010%
2/17/2025 Woodline Partners LP562,372$748K0.0%+5.1%0.335%
2/17/2025 Two Sigma Advisers LP26,700$36K0.0%N/A0.016%
2/17/2025 Two Sigma Investments LP390,877$520K0.0%-4.0%0.233%
2/17/2025 Millennium Management LLC981,557$1.31M0.0%+122.2%0.585%
2/17/2025 Bank of America Corp DE287,477$382K0.0%+8.6%0.171%
2/17/2025 BNP Paribas Financial Markets43,863$58K0.0%N/A0.026%
2/14/2025 Jane Street Group LLC100,626$134K0.0%N/A0.060%
2/14/2025 AdvisorShares Investments LLC311,490$414K0.1%+85.6%0.186%
2/14/2025 Seaview Investment Managers LLC49,922$66K0.0%N/A0.030%
2/13/2025 PEAK6 LLC100,000$133K0.0%N/A0.060%
2/13/2025 XTX Topco Ltd140,544$187K0.0%N/A0.084%
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2/13/2025 Barclays PLC164,969$219K0.0%-33.1%0.098%
2/13/2025 Raymond James Financial Inc.28,871$38K0.0%N/A0.017%
2/13/2025 ADAR1 Capital Management LLC100,000$133K0.0%N/A0.060%
2/13/2025 Cerity Partners LLC48,145$64K0.0%N/A0.029%
2/12/2025 Diametric Capital LP104,543$139K0.1%N/A0.062%
2/11/2025 Virtu Financial LLC98,595$131K0.0%N/A0.059%
2/10/2025 Essential Planning LLC.84,370$112K0.0%N/A0.050%
2/6/2025 Raymond James Financial Inc.28,871$38K0.0%N/A0.017%
1/22/2025 Kingswood Wealth Advisors LLC50,000$66K0.0%N/A0.030%
11/15/2024 HighTower Advisors LLC30,352$36K0.0%-29.5%0.018%
11/14/2024 Walleye Capital LLC2,264,912$2.63M0.0%-18.0%1.350%
10/25/2024 Strategic Blueprint LLC23,500$27K0.0%+74.1%0.014%
10/25/2024China Universal Asset Management Co. Ltd.32,273$37K0.0%+64.1%0.019%
9/5/2024Sanctuary Advisors LLC48,660$65K0.0%N/A0.029%
8/8/2024 AdvisorShares Investments LLC200,831$271K0.0%+10.2%0.120%
7/30/2024 Moloney Securities Asset Management LLC30,000$40K0.0%N/A0.018%
7/16/2024 Wedmont Private Capital25,000$33K0.0%N/A0.015%
7/12/2024 SG Americas Securities LLC48,937$65K0.0%N/A0.029%
4/29/2024China Universal Asset Management Co. Ltd.31,899$63K0.0%+66.1%0.019%
4/18/2024 Quattro Financial Advisors LLC70,976$140K0.0%N/A0.043%
4/17/2024 CRA Financial Services LLC12,903$25K0.0%N/A0.008%
4/15/2024 Kingswood Wealth Advisors LLC30,000$59K0.0%N/A0.018%
2/14/2024 AdvisorShares Investments LLC195,869$276K0.1%+9.7%0.118%
2/9/2024 Objectivity Squared LLC42,261$60K0.1%N/A0.025%
1/26/2024 Cerity Partners LLC97,965$138K0.0%-59.3%0.059%
1/24/2024 Mirae Asset Global Investments Co. Ltd.623,677$879K0.0%-1.3%0.376%
1/24/2024China Universal Asset Management Co. Ltd.19,206$27K0.0%+351.1%0.012%
11/6/2023 AdvisorShares Investments LLC178,523$230K0.1%+11.6%0.108%
10/26/2023 Mirae Asset Global Investments Co. Ltd.631,710$815K0.0%+16.1%0.381%
10/20/2023 Hunter Perkins Capital Management LLC19,241$25K0.0%N/A0.012%
8/14/2023 Cerity Partners LLC924,999$1.59M0.0%-31.2%0.557%
8/11/2023 Tejara Capital Ltd290,215$499K0.2%+7.1%0.175%
8/10/2023 Mirae Asset Global Investments Co. Ltd.544,311$936K0.0%-10.6%0.328%
8/7/2023 XML Financial LLC22,067$38K0.0%+58.9%0.013%
8/2/2023 North Star Investment Management Corp.15,430$27K0.0%N/A0.009%
7/31/2023 Daiwa Securities Group Inc.21,315$37K0.0%+4,454.5%0.013%
7/27/2023 Virtu Financial LLC23,634$41K0.0%N/A0.014%
7/19/2023 Teacher Retirement System of Texas33,779$58K0.0%-11.9%0.020%
7/17/2023 Wedmont Private Capital27,419$55K0.0%N/A0.017%
7/10/2023 SG Americas Securities LLC41,797$72K0.0%-37.6%0.025%
5/15/2023 XTX Topco Ltd338,754$613K0.1%+241.4%0.204%
5/12/2023 Tejara Capital Ltd271,000$491K0.3%+26.4%0.163%
5/11/2023 Robertson Stephens Wealth Management LLC16,721$30K0.0%-47.1%0.010%
5/10/2023 Simplify Asset Management Inc.140,000$253K0.0%N/A0.084%
5/9/2023 Resolute Advisors LLC16,777$30K0.0%-60.0%0.010%
5/9/2023 AdvisorShares Investments LLC160,337$290K0.1%-22.9%0.097%
5/4/2023 Barclays PLC252,717$457K0.0%+184.0%0.152%
5/4/2023 Mirae Asset Global Investments Co. Ltd.608,534$1.10M0.0%+37.5%0.367%
4/28/2023 SG Americas Securities LLC67,027$121K0.0%-17.4%0.040%
2/14/2023 Alpine Global Management LLC43,664$116K0.0%N/A0.026%
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2/10/2023 Resolute Advisors LLC41,944$112K0.0%N/A0.025%
2/9/2023 Mirae Asset Global Investments Co. Ltd.442,618$1.18M0.0%-1.5%0.267%
2/8/2023 Swiss National Bank293,000$779K0.0%+3.2%0.177%
2/7/2023 Commonwealth Equity Services LLC31,881$84K0.0%N/A0.019%
2/1/2023 Zurcher Kantonalbank Zurich Cantonalbank 28,085$72K0.0%+27.5%0.017%
1/27/2023 Exchange Traded Concepts LLC27,893$74K0.0%+64.3%0.017%
1/24/2023 ARK Investment Management LLC5,663,340$15.06M0.1%-7.7%3.414%
1/18/2023 Exchange Traded Concepts LLC27,893$74K0.0%+64.3%0.017%
1/17/2023 Hunter Perkins Capital Management LLC23,241$61K0.0%+48.3%0.014%
1/13/2023Gofen & Glossberg LLC IL10,300$27K0.0%N/A0.006%
(Data available from 1/1/2016 forward)

ATAI Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ATAI shares?

During the previous two years, 48 institutional investors and hedge funds held shares of atai Life Sciences. The most heavily invested institutionals were Adage Capital Partners GP L.L.C. ($11.90M), Pale Fire Capital SE ($5.78M), Walleye Capital LLC ($2.63M), Millennium Management LLC ($1.31M), Mirae Asset Global Investments Co. Ltd. ($879K), AdvisorShares Investments LLC ($854K), and Marshall Wace LLP ($613K).Learn more on atai Life Sciences' institutional investors.

What percentage of atai Life Sciences' stock is owned by institutional investors?

28.41% of atai Life Sciences' stock is owned by institutional investors. Learn more on ATAI's institutional investor holdings.

Which institutional investors have been buying atai Life Sciences' stock?

Of the 42 institutional investors that purchased atai Life Sciences' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Adage Capital Partners GP L.L.C. ($5.43M), Pale Fire Capital SE ($2.14M), Millennium Management LLC ($539.83K), BIT Capital GmbH ($439.11K), Marshall Wace LLP ($279.87K), AdvisorShares Investments LLC ($198.27K), and Jane Street Group LLC ($162.64K).

How much institutional buying is happening at atai Life Sciences?

Institutional investors have bought a total of 10,475,667 shares in the last 24 months. This purchase volume represents approximately $19.15M in transactions.

Which of atai Life Sciences' major shareholders have been selling company stock?

Of the 14 institutional investors that sold atai Life Sciences' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Walleye Capital LLC ($497.85K), Woodline Partners LP ($280.19K), Goldman Sachs Group Inc. ($145.90K), Bank of America Corp DE ($100.00K), Barclays PLC ($81.58K), Jane Street Group LLC ($66.10K), and Capital Advisors Inc. OK ($20K).

How much institutional selling is happening at atai Life Sciences?

Institutional investors have sold a total of 1,273,298 shares in the last 24 months. This volume of shares sold represents approximately $1.77M in transactions.


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This page (NASDAQ:ATAI) was last updated on 8/27/2025 by MarketBeat.com Staff
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