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Atai Beckley (ATAI) Institutional Ownership

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Institutional Ownership Changes (13F Filings) for Atai Beckley (NASDAQ:ATAI)

Current
Institutional Ownership
Percentage
28.41%
Number of
Institutional Buyers
(last 12 months)
78
Total
Institutional Inflows
(last 12 months)
$107.81M
Number of
Institutional Sellers
(last 12 months)
9
Total
Institutional Outflows
(last 12 months)
$9.69M
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ATAI Institutional Buying and Selling by Quarter

Atai Beckley Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026 WINTON GROUP Ltd70,600$372K0.0%+9.6%0.019%
9/9/2026NewEdge Advisors LLC121,116$638K0.0%N/A0.033%
9/9/2026 Squarepoint Ops LLC62,672$330K0.0%-86.7%0.017%
9/9/2026 Stableford Capital II LLC168,350$887K0.3%-41.2%0.045%
9/8/2026 Arizona State Retirement System65,144$343K0.0%+43.5%0.018%
8/27/2026Corient Private Wealth LP18,624$98K0.0%+75.9%0.005%
8/21/2026 AXQ Capital LP43,673$230K0.0%N/A0.012%
8/20/2026Newtyn Management LLC1,187,808$6.26M0.8%-33.3%0.320%
7/6/2026 Stableford Capital II LLC168,350$887K0.3%-41.2%0.046%
6/30/2026VectorGlobal IAG Inc.49,922$177K0.0%N/A0.014%
6/3/2026 Parallel Advisors LLC13,453$48K0.0%N/A0.004%
5/20/2026 Arete Wealth Advisors LLC16,395$58K0.0%N/A0.004%
5/19/2026Bank of America Corp DE819,664$2.90M0.0%+999.7%0.223%
5/19/2026Janus Henderson Group PLC79,400$281K0.0%N/A0.022%
5/19/2026 Arete Wealth Advisors LLC16,395$58K0.0%N/A0.004%
5/18/2026 Amundi33,121$117K0.0%N/A0.009%
5/18/2026Adalta Capital Management LLC10,973$39K0.0%N/A0.003%
5/18/2026Royal Bank of Canada11,557$41K0.0%N/A0.003%
5/18/2026Ruane Cunniff & Goldfarb L.P.42,112$149K0.0%N/A0.011%
5/18/2026Eagle Health Investments LP1,709,359$6.05M1.1%+1.8%0.464%
5/16/2026The Manufacturers Life Insurance Company 64,100$227K0.0%N/A0.017%
5/16/2026Orbimed Advisors LLC347,000$1.23M0.0%N/A0.094%
5/13/2026Cetera Investment Advisers18,164$64K0.0%N/A0.005%
5/8/2026Amova Asset Management Americas Inc.567,576$2.00M0.0%+23.0%0.155%
5/7/2026 Parallel Advisors LLC13,453$48K0.0%N/A0.004%
5/6/2026 Brummer Multi Strategy AB275,409$975K4.0%+17.2%0.075%
5/5/2026 Bank of New York Mellon Corp45,609$161K0.0%N/A0.012%
5/1/2026 Candriam S.C.A.3,086,379$10.93M0.1%N/A0.841%
5/1/2026 Warm Springs Advisors Inc.136,400$483K0.4%N/A0.037%
4/30/2026 Sumitomo Mitsui Trust Group Inc.567,576$2.01M0.0%N/A0.155%
4/28/2026 AdvisorShares Investments LLC567,587$2.01M0.4%+3.5%0.155%
4/27/2026 Baer Investment Advisory LLC11,848$42K0.0%N/A0.003%
4/23/2026 North Star Investment Management Corp.28,275$100K0.0%+80.4%0.008%
4/20/2026 OP Asset Management Ltd423,674$1.50M0.0%N/A0.116%
2/19/2026 Invesco Ltd.19,347$79K0.0%+92.8%0.005%
2/18/2026XTX Topco Ltd130,500$534K0.0%N/A0.036%
2/18/2026Tudor Investment Corp ET AL11,657$48K0.0%N/A0.003%
2/18/2026Quadrature Capital Ltd47,848$196K0.0%N/A0.013%
2/18/2026RTW Investments LP2,000,000$8.18M0.1%N/A0.551%
2/18/2026Oxford Asset Management LLP10,330$42K0.0%-77.7%0.003%
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2/18/2026Man Group plc238,751$976K0.0%+639.7%0.066%
2/18/2026Balyasny Asset Management L.P.28,957$118K0.0%-75.6%0.008%
2/17/2026Burkehill Global Management LP185,000$757K0.0%N/A0.051%
2/17/2026Ally Bridge Group NY LLC1,713,105$7.01M7.3%-25.1%0.472%
2/17/2026Jain Global LLC26,425$108K0.0%N/A0.007%
2/17/2026Price T Rowe Associates Inc. MD465,352$1.90M0.0%N/A0.128%
2/17/2026Adage Capital Partners GP L.L.C.7,079,846$28.96M0.0%+30.3%1.949%
2/17/2026California State Teachers Retirement System151,453$619K0.0%N/A0.042%
2/17/2026Persistent Asset Partners Ltd43,973$180K0.1%N/A0.012%
2/17/2026Foresite Capital Management VI LLC2,750,000$11.25M3.4%N/A0.757%
2/16/2026 Squarepoint Ops LLC354,685$1.45M0.0%+133.9%0.098%
2/16/2026 Barclays PLC115,940$474K0.0%+18.9%0.032%
2/13/2026Marshall Wace LLP2,675,117$10.94M0.0%+151.0%0.737%
2/13/2026 State Street Corp288,314$1.18M0.0%+102.2%0.079%
2/13/2026 Caitong International Asset Management Co. Ltd10,261$42K0.1%N/A0.003%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC189,500$775K0.0%N/A0.052%
2/12/2026HRT Financial LP1,469,246$6.01M0.0%+266.1%0.405%
2/12/2026 FreeGulliver LLC62,500$256K0.1%N/A0.017%
2/12/2026IQ EQ FUND MANAGEMENT IRELAND Ltd121,429$497K0.0%+131.7%0.033%
2/12/2026 Swiss National Bank325,900$1.33M0.0%N/A0.090%
2/12/2026 Nuveen LLC179,975$736K0.0%N/A0.050%
2/11/2026ARK Investment Management LLC3,305,997$13.52M0.1%+63.7%0.910%
2/11/2026 Janney Montgomery Scott LLC19,450$80K0.0%N/A0.005%
2/11/2026Amova Asset Management Americas Inc.461,436$1.89M0.0%+127.6%0.127%
2/11/2026 CenterBook Partners LP780,501$3.19M0.2%+19.9%0.215%
2/11/2026 State of Wyoming6,722$27K0.0%N/A0.002%
2/10/2026 AdvisorShares Investments LLC548,603$2.24M0.4%+8.4%0.151%
2/6/2026Eagle Health Investments LP1,678,400$6.87M1.5%N/A0.462%
2/6/2026 ProShare Advisors LLC16,042$66K0.0%N/A0.004%
2/5/2026 Stephens Inc. AR46,980$192K0.0%+59.9%0.013%
2/5/2026 ANTIPODES PARTNERS Ltd7,081$29K0.0%N/A0.002%
2/4/2026 Brummer Multi Strategy AB234,915$961K5.8%N/A0.065%
2/2/2026 Composition Wealth LLC16,837$69K0.0%N/A0.005%
2/2/2026 Robertson Stephens Wealth Management LLC28,297$116K0.0%+69.6%0.008%
1/30/2026 Carrera Capital Advisors66,810$273K0.0%N/A0.018%
1/29/2026 Pictet Asset Management Holding SA22,253$91K0.0%N/A0.006%
1/28/2026 Arizona State Retirement System46,062$188K0.0%N/A0.013%
1/28/2026 Kingswood Wealth Advisors LLC30,000$123K0.0%-25.0%0.008%
1/27/2026 Zurcher Kantonalbank Zurich Cantonalbank 46,375$190K0.0%N/A0.013%
1/27/2026 GF Fund Management CO. LTD.7,137$29K0.0%N/A0.002%
1/26/2026 Mirae Asset Global Investments Co. Ltd.17,649$72K0.0%N/A0.005%
1/15/2026 Victory Financial Group LLC18,348$75K0.0%+54.8%0.005%
1/13/2026 Stableford Capital II LLC291,558$1.19M0.4%N/A0.080%
1/8/2026 Wealth Enhancement Advisory Services LLC57,232$229K0.0%-47.9%0.016%
1/1/2026 JPMorgan Chase & Co.769,600$4.07M0.0%+5,629.6%0.212%
12/15/2025 FNY Investment Advisers LLC6,824$36K0.0%N/A0.002%
12/15/2025Hudson Bay Capital Management LP19,700$104K0.0%N/A0.005%
11/18/2025Advisory Services Network LLC5,747$30K0.0%N/A0.002%
11/17/2025NewEdge Advisors LLC30,275$160K0.0%N/A0.013%
11/17/2025Sender Co & Partners Inc.43,176$228K0.0%N/A0.018%
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11/17/2025 Victory Financial Group LLC11,849$63K0.0%N/A0.005%
11/17/2025Qube Research & Technologies Ltd69,885$370K0.0%N/A0.030%
11/17/2025Prelude Capital Management LLC11,291$60K0.0%-45.6%0.005%
11/17/2025Numerai GP LLC153,800$814K0.1%N/A0.066%
11/17/2025Millennium Management LLC1,097,768$5.81M0.0%+0.9%0.470%
11/17/2025Fred Alger Management LLC488,855$2.59M0.0%N/A0.209%
11/17/2025Bank of America Corp DE228,283$1.21M0.0%+107.7%0.098%
11/17/2025Ally Bridge Group NY LLC2,287,005$12.10M7.4%N/A0.978%
11/14/2025 Raymond James Financial Inc.76,698$406K0.0%+48.2%0.033%
11/14/2025Man Group plc32,277$171K0.0%N/A0.014%


ATAI Institutional Ownership - Frequently Asked Questions

During the previous two years, 120 institutional investors and hedge funds held shares of Atai Beckley. The most heavily invested institutionals were UBS Group AG ($40.61M), Adage Capital Partners GP L.L.C. ($28.96M), ARK Investment Management LLC ($13.52M), Foresite Capital Management VI LLC ($11.25M), Marshall Wace LLP ($10.94M), Candriam S.C.A. ($10.93M), and RTW Investments LP ($8.18M).Learn more on Atai Beckley's institutional investors.

28.41% of Atai Beckley's stock is owned by institutional investors. Learn more on ATAI's institutional investor holdings.

Of the 111 institutional investors that purchased Atai Beckley's 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. ($7.08M), ARK Investment Management LLC ($3.31M), Candriam S.C.A. ($3.09M), Foresite Capital Management VI LLC ($2.75M), Marshall Wace LLP ($2.68M), Ally Bridge Group NY LLC ($2.29M), and Pale Fire Capital SE ($2.14M).

Institutional investors have bought a total of 25,926,244 shares in the last 24 months. This purchase volume represents approximately $107.81M in transactions.

Of the 9 institutional investors that sold Atai Beckley's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Newtyn Management LLC ($593.90K), Ally Bridge Group NY LLC ($573.90K), Squarepoint Ops LLC ($407.02K), Stableford Capital II LLC ($235.86K), Balyasny Asset Management L.P. ($89.92K), Wealth Enhancement Advisory Services LLC ($52.56K), and Oxford Asset Management LLP ($36.05K).

Institutional investors have sold a total of 2,008,658 shares in the last 24 months. This volume of shares sold represents approximately $9.69M in transactions.


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Institutional ownership data for NASDAQ:ATAI is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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