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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, Q4 2021

Institutional positions in AtaiBeckley Inc. as of Dec 31, 2021. 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
84
+31 vs. Q3 2021
Shares held
14.4M
+2.77M (+23.9%) vs. Q3 2021
Total value
$109.4M
−$60.5M (−35.6%) vs. Q3 2021
New holders
47
21 more added
Sold out
16
8 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 84 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 heldQ4 2021: $109.4M
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, Q4 2021

Shares, value and share of portfolio for each institution holding AtaiBeckley Inc.; share changes are against Q3 2021.

Institutions holding ATAI in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Falcon Edge Capital, LP2,134,625$16.3M1.83%−397,855−15.7%Reduced
Morgan Stanley1,772,085$13.5M0.00%+789,225+80.3%Added
BlackRock Inc.956,542$7.30M0.00%+956,542New
Woodline Partners LP838,026$6.39M0.09%+88,007+11.7%Added
Citadel Advisors LLC648,575$4.95M0.01%−74,334−10.3%Reduced
Pura Vida Investments, LLC552,781$4.22M0.44%−739,091−57.2%Reduced
Brown University529,500$4.04M0.99%+139,500+35.8%Added
Millennium Management LLC513,272$3.92M0.00%+28,847+6.0%Added
Group One Trading, L.P.458,548$3.50M0.07%+458,548New
Two Sigma Investments, LP414,274$3.16M0.01%+414,274New
Marshall Wace, LLP406,618$3.10M0.01%+406,618New
Mirae Asset Global Investments Co., Ltd.318,156$2.43M0.01%+25,094+8.6%Added
Highline Capital Management, L.P.309,680$2.36M2.16%+309,680New
Alyeska Investment Group, L.P.288,529$2.20M0.03%+113,529+64.9%Added
Graticule Asia Macro Advisors LLC275,000$2.10M0.98%00.0%Unchanged
Susquehanna International Group, LLP262,531$2.00M0.00%+262,531New
Gilder Gagnon Howe & Co LLC259,040$1.98M0.01%−182,162−41.3%Reduced
Renaissance Technologies LLC259,000$1.98M0.00%+259,000New
Antara Capital LP258,080$1.97M0.19%00.0%Unchanged
Newtyn Management, LLC245,136$1.87M0.50%00.0%Unchanged
D. E. Shaw & Co., Inc.192,516$1.47M0.00%+192,516New
Global Frontier Investments LLC192,000$1.47M0.55%00.0%Unchanged
Jane Street Group, LLC186,939$1.43M0.00%+186,939New
Walleye Capital LLC183,574$1.40M0.05%+145,474+381.8%Added
Goldman Sachs Group Inc153,124$1.17M0.00%+153,124New
Geode Capital Management, LLC112,904$861.0K0.00%+748+0.7%Added
Bank of America Corp105,917$808.0K0.00%+84,759+400.6%Added
BIT Capital GmbH103,232$787.7K0.06%00.0%Unchanged
Simplex Trading, LLC103,204$787.0K0.03%+103,204New
Citigroup Inc97,645$745.0K0.00%+39,766+68.7%Added
AdvisorShares Investments LLC77,181$589.0K0.07%+65,423+556.4%Added
DekaBank Deutsche Girozentrale75,000$558.0K0.00%+75,000New
Cubist Systematic Strategies, LLC69,639$531.0K0.01%+41,771+149.9%Added
Northern Trust Corp67,702$516.0K0.00%+13,671+25.3%Added
State Street Corp64,516$492.0K0.00%+64,516New
Jump Financial, LLC61,800$472.0K0.03%+61,800New
Two Sigma Advisers, LP61,300$468.0K0.00%+61,300New
Quattro Financial Advisors LLC53,344$407.0K0.14%+53,344New
MMCAP International Inc. SPC40,714$311.0K0.02%+40,714New
Penserra Capital Management LLC40,180$306.0K0.01%+7,642+23.5%Added
Tudor Investment Corp Et Al36,523$279.0K0.01%+1,523+4.4%Added
Virtu Financial LLC36,570$279.0K0.03%+36,570New
Ghisallo Capital Management LLC35,000$267.0K0.01%00.0%Unchanged
Lindbrook Capital, LLC33,674$257.0K0.04%+33,674New
Allianz Asset Management GmbH32,876$251.0K0.00%+10,511+47.0%Added
Belvedere Trading LLC47,057$248.0K0.06%+47,057New
Weiss Multi-Strategy Advisers LLC30,000$229.0K0.01%+20,000+200.0%Added
Brighton Jones LLC26,237$200.0K0.01%+26,237New
Walleye Trading LLC26,125$199.0K0.00%+26,125New
ProShare Advisors LLC22,573$172.0K0.00%+22,573New
Williams Jones Wealth Management, LLC.20,000$153.0K0.00%+20,000New
FNY Investment Advisers, LLC20,000$152.0K0.08%+20,000New
UBS Group AG19,728$150.0K0.00%+19,428+6,476.0%Added
CIBC World Markets Inc.19,198$146.0K0.00%+19,198New
XTX Topco Ltd17,782$136.0K0.08%+17,782New
Alpine Global Management, LLC16,821$128.0K0.02%+16,821New
Audent Global Asset Management, LLC16,837$128.0K0.05%+16,837New
Virtus ETF Advisers LLC16,393$125.0K0.05%+16,393New
Schusterman Interests, LLC15,926$122.0K0.05%+15,926New
Occudo Quantitative Strategies LP15,871$121.0K0.01%+15,871New
Healthcare of Ontario Pension Plan Trust Fund15,132$115.0K0.00%−236,308−94.0%Reduced
JPMorgan Chase & Co14,131$108.0K0.00%+14,131New
Gofen & Glossberg LLC12,800$98.0K0.00%+12,800New
Cresset Asset Management, LLC12,865$98.0K0.00%+12,865New
SG Americas Securities, LLC12,234$93.0K0.00%+12,234New
Laidlaw Wealth Management LLC10,313$79.0K0.01%+10,313New
Advisor Group Holdings, Inc.8,895$68.0K0.00%−1,170−11.6%Reduced
Royal Bank of Canada3,050$23.0K0.00%−1,095−26.4%Reduced
National Bank of Canada2,193$17.0K0.00%+2,193New
Rinkey Investments2,275$15.0K0.01%+2,275New
Eagle Bay Advisors LLC1,300$10.0K0.01%−1,300−50.0%Reduced
Signaturefd, LLC1,250$10.0K0.00%+100+8.7%Added
Tower Research Capital LLC (TRC)1,157$9.00K0.00%+1,157New
North Star Investment Management Corp.1,000$8.00K0.00%+900+900.0%Added
South State Corp.975$7.00K0.00%+975New
Concord Wealth Partners750$6.00K0.00%00.0%Unchanged
Cutler Group LP900$6.00K0.00%+900New
Exchange Traded Concepts, LLC549$4.00K0.00%+549New
Daiwa Securities Group Inc.468$4.00K0.00%+468New
Amplius Wealth Advisors, LLC615$4.00K0.00%+615New
Federation des caisses Desjardins du Quebec150$1.15K0.00%+150New
Captrust Financial Advisors105$1.00K0.00%+25+31.3%Added
Wells Fargo & Company8$00.00%+8New
Westside Investment Management, Inc.550––00.0%Unchanged
Price T Rowe Associates Inc0$00.00%−648,074−100.0%Sold out
Rock Springs Capital Management LP0$00.00%−317,628−100.0%Sold out
Avidity Partners Management LP0$00.00%−218,730−100.0%Sold out
Element Capital Management LLC0$00.00%−172,636−100.0%Sold out
McKinley Capital Management LLC /Delaware0$00.00%−110,790−100.0%Sold out
K2 Principal Fund, L.P.0$00.00%−106,672−100.0%Sold out
HealthCor Management, L.P.0$00.00%−75,000−100.0%Sold out
TD Asset Management Inc0$00.00%−46,574−100.0%Sold out
Squarepoint Ops LLC0$00.00%−10,176−100.0%Sold out
Caas Capital Management LP0$00.00%−10,000−100.0%Sold out
US Bancorp0$00.00%−1,000−100.0%Sold out
Private Ocean, LLC0$00.00%−1,000−100.0%Sold out
Koshinski Asset Management, Inc.0$00.00%−540−100.0%Sold out
Howe & Rusling Inc0$00.00%−75−100.0%Sold out
Manchester Capital Management LLC0$00.00%−82−100.0%Sold out
Gerber Kawasaki Wealth & Investment Management0$00.00%−100−100.0%Sold out