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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)
94
Total
Institutional Inflows
(last 12 months)
$143.47M
Number of
Institutional Sellers
(last 12 months)
13
Total
Institutional Outflows
(last 12 months)
$10.92M
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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
9/9/2026WINTON GROUP Ltd70,600$372K0.0%+9.6%0.019%
9/9/2026NewEdge Advisors LLC121,116$638K0.0%N/A0.033%
9/9/2026Squarepoint Ops LLC62,672$330K0.0%-86.7%0.017%
9/9/2026Stableford Capital II LLC168,350$887K0.3%-41.2%0.045%
9/8/2026Arizona State Retirement System65,144$343K0.0%+43.5%0.018%
8/27/2026Corient Private Wealth LP18,624$98K0.0%+75.9%0.005%
8/21/2026AXQ Capital LP43,673$230K0.0%N/A0.012%
8/20/2026Newtyn Management LLC1,187,808$6.26M0.8%-33.3%0.320%
7/6/2026Stableford Capital II LLC168,350$887K0.3%-41.2%0.046%
6/30/2026VectorGlobal IAG Inc.49,922$177K0.0%N/A0.014%
6/3/2026Parallel Advisors LLC13,453$48K0.0%N/A0.004%
5/20/2026Arete 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%
5/19/2026Arete Wealth Advisors LLC16,395$58K0.0%N/A0.004%
5/18/2026Amundi33,121$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%
5/7/2026Parallel Advisors LLC13,453$48K0.0%N/A0.004%
5/6/2026Brummer Multi Strategy AB275,409$975K4.0%+17.2%0.075%
5/5/2026Bank of New York Mellon Corp45,609$161K0.0%N/A0.012%
5/1/2026Candriam S.C.A.3,086,379$10.93M0.1%N/A0.841%
5/1/2026Warm Springs Advisors Inc.136,400$483K0.4%N/A0.037%
4/30/2026Sumitomo Mitsui Trust Group Inc.567,576$2.01M0.0%N/A0.155%
4/28/2026AdvisorShares Investments LLC567,587$2.01M0.4%+3.5%0.155%
4/27/2026Baer Investment Advisory LLC11,848$42K0.0%N/A0.003%
4/23/2026North Star Investment Management Corp.28,275$100K0.0%+80.4%0.008%
4/20/2026OP Asset Management Ltd423,674$1.50M0.0%N/A0.116%
2/19/2026Invesco 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%
2/16/2026Squarepoint Ops LLC354,685$1.45M0.0%+133.9%0.098%
2/16/2026Barclays PLC115,940$474K0.0%+18.9%0.032%
2/13/2026Marshall Wace LLP2,675,117$10.94M0.0%+151.0%0.737%
2/13/2026State Street Corp288,314$1.18M0.0%+102.2%0.079%
2/13/2026Caitong 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%
2/12/2026FreeGulliver LLC62,500$256K0.1%N/A0.017%
2/12/2026IQ EQ FUND MANAGEMENT IRELAND Ltd121,429$497K0.0%+131.7%0.033%
2/12/2026Swiss National Bank325,900$1.33M0.0%N/A0.090%
2/12/2026Nuveen LLC179,975$736K0.0%N/A0.050%
2/11/2026ARK Investment Management LLC3,305,997$13.52M0.1%+63.7%0.910%
2/11/2026Janney 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%
2/11/2026CenterBook Partners LP780,501$3.19M0.2%+19.9%0.215%
2/11/2026State of Wyoming6,722$27K0.0%N/A0.002%
2/10/2026AdvisorShares Investments LLC548,603$2.24M0.4%+8.4%0.151%
2/6/2026Eagle Health Investments LP1,678,400$6.87M1.5%N/A0.462%
2/6/2026ProShare Advisors LLC16,042$66K0.0%N/A0.004%
2/5/2026Stephens Inc. AR46,980$192K0.0%+59.9%0.013%
2/5/2026ANTIPODES PARTNERS Ltd7,081$29K0.0%N/A0.002%
2/4/2026Brummer Multi Strategy AB234,915$961K5.8%N/A0.065%
2/2/2026Composition Wealth LLC16,837$69K0.0%N/A0.005%
2/2/2026Robertson Stephens Wealth Management LLC28,297$116K0.0%+69.6%0.008%
1/30/2026Carrera Capital Advisors66,810$273K0.0%N/A0.018%
1/29/2026Pictet Asset Management Holding SA22,253$91K0.0%N/A0.006%
1/28/2026Arizona State Retirement System46,062$188K0.0%N/A0.013%
1/28/2026Kingswood Wealth Advisors LLC30,000$123K0.0%-25.0%0.008%
1/27/2026Zurcher Kantonalbank Zurich Cantonalbank 46,375$190K0.0%N/A0.013%
1/27/2026GF Fund Management CO. LTD.7,137$29K0.0%N/A0.002%
1/26/2026Mirae Asset Global Investments Co. Ltd.17,649$72K0.0%N/A0.005%
1/15/2026Victory Financial Group LLC18,348$75K0.0%+54.8%0.005%
1/13/2026Stableford Capital II LLC291,558$1.19M0.4%N/A0.080%
1/8/2026Wealth Enhancement Advisory Services LLC57,232$229K0.0%-47.9%0.016%
1/1/2026JPMorgan Chase & Co.769,600$4.07M0.0%+5,629.6%0.212%
12/15/2025FNY 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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11/17/2025Victory 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%
11/14/2025Raymond 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, 123 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 113 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 32,667,713 shares in the last 24 months. This purchase volume represents approximately $143.47M in transactions.

Of the 13 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), Two Sigma Investments LP ($146.24K), Balyasny Asset Management L.P. ($89.92K), and Wealth Enhancement Advisory Services LLC ($52.56K).

Institutional investors have sold a total of 2,241,428 shares in the last 24 months. This volume of shares sold represents approximately $10.92M 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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