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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 2021

Institutional positions in AtaiBeckley Inc. as of Sep 30, 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
54
+10 vs. Q2 2021
Shares held
11.6M
−49.4K (−0.4%) vs. Q2 2021
Total value
$169.9M
−$42.3M (−20.0%) vs. Q2 2021
New holders
21
8 more added
Sold out
11
12 more reduced

Compare with Q2 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 holdersQ3 2021: 54 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 2021: $169.9M
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 2021

Shares, value and share of portfolio for each institution holding AtaiBeckley Inc.; share changes are against Q2 2021.

Institutions holding ATAI in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Captrust Financial Advisors80$1.00K0.00%00.0%Unchanged
Howe & Rusling Inc75$1.00K0.00%+75New
North Star Investment Management Corp.100$1.00K0.00%+100New
Manchester Capital Management LLC82$1.00K0.00%+82New
Gerber Kawasaki Wealth & Investment Management100$1.00K0.00%+100New
UBS Group AG300$4.00K0.00%+200+200.0%Added
Koshinski Asset Management, Inc.540$7.99K0.00%+540New
Sonora Investment Management, LLC700$10.0K0.00%+700New
Concord Wealth Partners750$11.0K0.00%00.0%Unchanged
US Bancorp1,000$15.0K0.00%00.0%Unchanged
Private Ocean, LLC1,000$15.0K0.00%+1,000New
Signaturefd, LLC1,150$17.0K0.00%+1,150New
Eagle Bay Advisors LLC2,600$38.0K0.02%+2,600New
Royal Bank of Canada4,145$61.0K0.00%+3,700+831.5%Added
Weiss Multi-Strategy Advisers LLC10,000$148.0K0.00%00.0%Unchanged
Caas Capital Management LP10,000$148.0K0.01%00.0%Unchanged
Advisor Group Holdings, Inc.10,065$149.0K0.00%+8,165+429.7%Added
Squarepoint Ops LLC10,176$151.0K0.00%−16,732−62.2%Reduced
AdvisorShares Investments LLC11,758$174.0K0.03%+11,758New
Bank of America Corp21,158$313.0K0.00%+21,008+14,005.3%Added
Allianz Asset Management GmbH22,365$331.0K0.00%+22,365New
Cubist Systematic Strategies, LLC27,868$412.0K0.01%+27,868New
Penserra Capital Management LLC32,538$481.0K0.01%+32,538New
Tudor Investment Corp Et Al35,000$518.0K0.01%00.0%Unchanged
Ghisallo Capital Management LLC35,000$518.0K0.02%00.0%Unchanged
Walleye Capital LLC38,100$563.0K0.02%−111,900−74.6%Reduced
TD Asset Management Inc46,574$689.0K0.00%00.0%Unchanged
Northern Trust Corp54,031$800.0K0.00%+54,031New
Citigroup Inc57,879$856.0K0.00%+57,879New
HealthCor Management, L.P.75,000$1.11M0.05%00.0%Unchanged
K2 Principal Fund, L.P.106,672$1.26M0.15%00.0%Unchanged
BIT Capital GmbH103,232$1.53M0.09%+103,232New
McKinley Capital Management LLC /Delaware110,790$1.64M0.15%+110,790New
Geode Capital Management, LLC112,156$1.66M0.00%+3,613+3.3%Added
Element Capital Management LLC172,636$2.55M1.12%−172,364−50.0%Reduced
Alyeska Investment Group, L.P.175,000$2.59M0.03%00.0%Unchanged
Global Frontier Investments LLC192,000$2.84M2.07%+192,000New
Avidity Partners Management LP218,730$3.23M0.08%−132,257−37.7%Reduced
Newtyn Management, LLC245,136$3.63M0.97%−10,000−3.9%Reduced
Healthcare of Ontario Pension Plan Trust Fund251,440$3.72M0.01%−169,060−40.2%Reduced
Antara Capital LP258,080$3.77M0.74%00.0%Unchanged
Graticule Asia Macro Advisors LLC275,000$4.07M0.77%+275,000New
Mirae Asset Global Investments Co., Ltd.293,062$4.33M0.01%+293,062New
Rock Springs Capital Management LP317,628$4.70M0.10%+2,600+0.8%Added
Brown University390,000$5.77M0.78%00.0%Unchanged
Gilder Gagnon Howe & Co LLC441,202$6.53M0.03%+3,829+0.9%Added
Millennium Management LLC484,425$7.17M0.01%−35,061−6.7%Reduced
Price T Rowe Associates Inc648,074$9.59M0.00%−1,926−0.3%Reduced
Citadel Advisors LLC722,909$10.7M0.01%+71,421+11.0%Added
Woodline Partners LP750,019$11.1M0.18%−41,566−5.3%Reduced
Morgan Stanley982,860$14.5M0.00%−40,629−4.0%Reduced
Pura Vida Investments, LLC1,291,872$18.0M1.36%−79,952−5.8%Reduced
Falcon Edge Capital, LP2,532,480$37.5M2.87%−93,993−3.6%Reduced
Westside Investment Management, Inc.550––+550New
Empyrean Capital Partners, LP0$00.00%−150,000−100.0%Sold out
Highland Capital Management Fund Advisors, L.P.0$00.00%−90,000−100.0%Sold out
Monashee Investment Management LLC0$00.00%−80,000−100.0%Sold out
Pinz Capital Management, LP0$00.00%−48,200−100.0%Sold out
Magnetar Financial LLC0$00.00%−22,368−100.0%Sold out
Cinctive Capital Management LP0$00.00%−17,500−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−15,000−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−11,705−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−9,854−100.0%Sold out
Cutler Group LP0$00.00%−1,200−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−50−100.0%Sold out