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AtaiBeckley Inc.

ATAIDelisted Sep 11, 2026
Industry
Pharmaceutical Preparations
SEC CIK
0002081043

AtaiBeckley Inc. was delisted on Sep 11, 2026; its insiders filed their last Form 4 on Sep 11, 2026; 242 institutions reported holding it in 13F filings for Q2 2026, worth $710.6M in total; no superinvestor held it.

13F holders, Q3 2025

Institutional positions in AtaiBeckley Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
129
+36 vs. Q2 2025
Shares held
43.7M
+14.5M (+49.7%) vs. Q2 2025
Total value
$231.1M
+$167.2M (+261.6%) vs. Q2 2025
New holders
50
33 more added
Sold out
14
14 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATAI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 129 institutions
Q1 2021: 0 institutionsQ2 2021: 44 institutionsQ3 2021: 54 institutionsQ4 2021: 84 institutionsQ1 2022: 87 institutionsQ2 2022: 98 institutionsQ3 2022: 101 institutionsQ4 2022: 116 institutionsQ1 2023: 105 institutionsQ2 2023: 97 institutionsQ3 2023: 96 institutionsQ4 2023: 88 institutionsQ1 2024: 88 institutionsQ2 2024: 89 institutionsQ3 2024: 75 institutionsQ4 2024: 88 institutionsQ1 2025: 79 institutionsQ2 2025: 93 institutionsQ3 2025: 129 institutionsQ4 2025: 138 institutionsQ1 2026: 184 institutionsQ2 2026: 242 institutions
Value heldQ3 2025: $231.1M
Q1 2021: $0Q2 2021: $212.2MQ3 2021: $169.9MQ4 2021: $109.4MQ1 2022: $79.4MQ2 2022: $79.6MQ3 2022: $88.1MQ4 2022: $66.6MQ1 2023: $31.3MQ2 2023: $26.3MQ3 2023: $19.1MQ4 2023: $18.9MQ1 2024: $24.6MQ2 2024: $16.1MQ3 2024: $13.5MQ4 2024: $19.3MQ1 2025: $29.7MQ2 2025: $63.9MQ3 2025: $231.1MQ4 2025: $227.8MQ1 2026: $355.0MQ2 2026: $710.6M
Institutions holding ATAI and their total value by quarter
QuarterHoldersValue
Q2 2026242$710.6M
Q1 2026184$355.0M
Q4 2025138$227.8M
Q3 2025129$231.1M
Q2 202593$63.9M
Q1 202579$29.7M
Q4 202488$19.3M
Q3 202475$13.5M
Q2 202489$16.1M
Q1 202488$24.6M
Q4 202388$18.9M
Q3 202396$19.1M
Q2 202397$26.3M
Q1 2023105$31.3M
Q4 2022116$66.6M
Q3 2022101$88.1M
Q2 202298$79.6M
Q1 202287$79.4M
Q4 202184$109.4M
Q3 202154$169.9M
Q2 202144$212.2M
Q1 20210$0

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding AtaiBeckley Inc.; share changes are against Q2 2025.

Institutions holding ATAI in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
UBS Group AG7,677,289$40.6M0.01%−22,470−0.3%Reduced
Adage Capital Partners GP, L.L.C.5,434,782$28.7M0.05%00.0%Unchanged
Morgan Stanley4,815,563$25.5M0.00%+1,321,271+37.8%Added
Citadel Advisors LLC2,575,994$13.6M0.01%+1,396,451+118.4%Added
Ally Bridge Group (NY) LLC2,287,005$12.1M10.13%+2,287,005New
ARK Investment Management LLCSuperinvestorARK Invest2,019,551$10.7M0.06%+2,019,551New
T. Rowe Price Investment Management, Inc.1,939,951$10.3M0.01%+1,939,951New
Millennium Management LLC1,097,768$5.81M0.00%−90,397−7.6%Reduced
Pale Fire Capital SE1,080,768$5.72M0.63%−1,559,616−59.1%Reduced
Marshall Wace, LLP1,065,881$5.64M0.01%+786,007+280.8%Added
Moore Capital Management, LP952,380$5.04M0.10%00.0%Unchanged
ADAR1 Capital Management, LLC913,242$4.83M0.48%+913,242New
JPMorgan Chase & Co769,600$4.07M0.00%+756,168+5,629.6%Added
Brown University718,500$3.80M2.25%00.0%Unchanged
D. E. Shaw & Co., Inc.712,445$3.77M0.00%+17,414+2.5%Added
CenterBook Partners LP651,131$3.44M0.17%+651,131New
Group One Trading, L.P.600,507$3.18M0.09%+562,754+1,490.6%Added
Jane Street Group, LLC597,274$3.16M0.00%+500,734+518.7%Added
AdvisorShares Investments LLC506,311$2.68M0.44%+116,549+29.9%Added
Fred Alger Management, LLC488,855$2.59M0.01%+488,855New
Susquehanna International Group, LLP449,855$2.38M0.00%+449,855New
Goldman Sachs Group Inc449,046$2.38M0.00%+101,178+29.1%Added
Vanguard Group Inc444,027$2.35M0.00%+7,095+1.6%Added
HRT Financial LP401,276$2.12M0.01%+401,276New
Two Sigma Investments, LP363,826$1.92M0.00%−146,235−28.7%Reduced
OrbiMed Advisors LLC347,000$1.84M0.04%+347,000New
American Century Companies Inc247,869$1.31M0.00%+247,869New
Geode Capital Management, LLC242,344$1.28M0.00%+97,975+67.9%Added
Bank of America Corp228,283$1.21M0.00%+118,385+107.7%Added
Sumitomo Mitsui Trust Holdings, Inc.202,781$1.07M0.00%+202,781New
Nikko Asset Management Americas, Inc.202,781$1.07M0.01%+202,781New
Catalio Capital Management, LP196,858$1.04M0.19%00.0%Unchanged
Rockefeller Capital Management L.P.179,000$946.9K0.00%+179,000New
Numerai GP LLC153,800$813.6K0.11%+153,800New
Squarepoint Ops LLC151,664$802.3K0.00%+151,664New
State Street Corp142,561$754.1K0.00%+63,015+79.2%Added
Simplex Trading, LLC137,642$728.0K0.02%+58,109+73.1%Added
Balyasny Asset Management LLC118,874$628.8K0.00%+118,874New
Wealth Enhancement Advisory Services, LLC109,787$608.2K0.00%+109,787New
Barclays PLC97,538$516.0K0.00%−67,349−40.8%Reduced
HighTower Advisors, LLC79,356$419.8K0.00%+52,135+191.5%Added
Raymond James Financial Inc76,698$405.7K0.00%+24,946+48.2%Added
StemPoint Capital LP76,032$402.2K0.08%+76,032New
Qube Research & Technologies Ltd69,885$369.7K0.00%+69,885New
TD Asset Management Inc68,576$362.8K0.00%+68,576New
Shay Capital LLC68,000$359.7K0.07%+68,000New
Citigroup Inc64,177$339.5K0.00%+59,414+1,247.4%Added
DLD Asset Management, LP60,000$317.4K0.04%+60,000New
Quantinno Capital Management LP58,246$308.1K0.00%00.0%Unchanged
SG Americas Securities, LLC53,477$283.0K0.00%+42,021+366.8%Added
Davy Global Fund Management Ltd52,399$277.2K0.02%+52,399New
Captrust Financial Advisors50,000$264.5K0.00%+50,000New
Claudia M.P. Batlle, CRP (R) LLC49,922$264.1K0.10%00.0%Unchanged
Thoroughbred Financial Services, LLC47,214$249.0K0.02%+47,214New
Oxford Asset Management LLP46,382$245.4K0.08%+46,382New
Sender Co & Partners, Inc.43,176$228.4K0.09%+43,176New
Ruane, Cunniff & Goldfarb L.P.42,112$222.8K0.00%00.0%Unchanged
Diametric Capital, LP40,815$215.9K0.08%−12,209−23.0%Reduced
Kingswood Wealth Advisors, LLC40,000$211.6K0.01%−20,000−33.3%Reduced
Cresset Asset Management, LLC35,984$190.4K0.00%00.0%Unchanged
Man Group plc32,277$170.7K0.00%+32,277New
Dauntless Investment Group, LLC31,159$164.8K0.43%+31,159New
GWM Advisors LLC30,275$160.2K0.00%+30,275New
Stephens Inc29,380$155.4K0.00%+29,380New
Evoke Wealth, LLC26,600$140.7K0.00%00.0%Unchanged
Wedmont Private Capital25,000$138.5K0.01%00.0%Unchanged
Creative Planning25,760$136.3K0.00%+7,528+41.3%Added
Bright Futures Wealth Management, LLC.25,000$132.3K0.10%+25,000New
Strategic Blueprint, LLC23,500$124.3K0.01%00.0%Unchanged
Verdence Capital Advisors LLC19,178$119.3K0.01%00.0%Unchanged
Ieq Capital, LLC21,888$115.8K0.00%+21,888New
LPL Financial LLC21,783$115.2K0.00%+2,658+13.9%Added
Regent Peak Wealth Advisors LLC20,000$105.8K0.02%+20,000New
Hudson Bay Capital Management LP19,700$104.2K0.00%+19,700New
Baker Avenue Asset Management, LP18,400$97.3K0.00%+18,400New
Audent Global Asset Management, LLC16,837$89.1K0.06%00.0%Unchanged
Resolute Partners Group16,777$88.8K0.02%00.0%Unchanged
Toroso Investments, LLC16,713$88.4K0.00%+16,713New
Robertson Stephens Wealth Management, LLC16,689$88.3K0.00%−12−0.1%Reduced
Truist Financial Corp16,394$86.7K0.00%+4,098+33.3%Added
North Star Investment Management Corp.15,675$82.9K0.01%00.0%Unchanged
PTM Wealth Management, LLC15,000$82.0K0.05%+2,500+20.0%Added
Moneta Group Investment Advisors LLC14,746$78.0K0.00%+2,000+15.7%Added
Hunter Perkins Capital Management, LLC14,741$78.0K0.02%00.0%Unchanged
Coastal Bridge Advisors, LLC14,500$76.7K0.01%+14,500New
Cambridge Investment Research Advisors, Inc.14,045$74.0K0.00%+600+4.5%Added
Y-Intercept (Hong Kong) Ltd13,192$69.8K0.00%+13,192New
CRA Financial Services, LLC12,903$68.3K0.01%00.0%Unchanged
Neuberger Berman Group LLC12,600$66.7K0.00%+1,900+17.8%Added
BIT Capital GmbH12,501$66.1K0.00%−10,717−46.2%Reduced
Victory Financial Group, LLC11,849$62.7K0.01%+11,849New
Choate Investment Advisors11,750$62.2K0.00%+11,750New
Prelude Capital Management, LLC11,291$59.7K0.00%−9,454−45.6%Reduced
Brown Advisory Inc10,460$55.3K0.00%+10,460New
Invesco Ltd.10,033$53.1K0.00%−6,165−38.1%Reduced
Commonwealth Equity Services, LLC10,017$53.0K0.00%+10,017New
Verity Asset Management, Inc.10,000$52.9K0.02%00.0%Unchanged
Williams Jones Wealth Management, LLC.10,000$52.9K0.00%00.0%Unchanged
Detalus Advisors, LLC10,000$52.9K0.01%00.0%Unchanged
Gould Capital, LLC10,000$52.9K0.03%00.0%Unchanged