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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.

Q1 2026 vs. Q4 2025

How the institutions holding AtaiBeckley Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of ATAI: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders1382184+48
Shares55.7M154.7K100.3M+44.8M (+80.6%)
Value$227.8M$632.6K$355.0M+$127.9M (+56.3%)

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (75)

Institutions that held AtaiBeckley Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to ATAI in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC11,761,398$41.6M0.00%
UBS Group AG7,426,867$26.3M0.00%
Millennium Management LLC4,364,096$15.4M0.01%
Candriam Luxembourg S.C.A.3,086,379$10.9M0.06%
Geode Capital Management, LLC2,509,974$8.89M0.00%
Newtyn Management, LLC1,781,703$6.31M0.67%
Vanguard Fiduciary Trust Co1,256,731$4.45M0.00%
Charles Schwab Investment Management Inc1,181,583$4.18M0.00%
Moore Capital Management, LP952,380$3.37M0.12%
Sumitomo Mitsui Trust Holdings, Inc.567,576$2.01M0.00%
OP Asset Management Ltd423,674$1.50M0.02%
OrbiMed Advisors LLC347,000$1.23M0.03%
Axon Capital LP305,802$1.08M2.12%
Boussard & Gavaudan Investment Management LLP295,264$1.03M0.10%
Jefferies Financial Group Inc.275,900$976.7K0.01%
Brevan Howard Capital Management LP236,942$838.8K0.01%
Verdad Advisers, LP227,670$806.0K0.91%
Hudson Bay Capital Management LP188,485$667.2K0.00%
BIT Capital GmbH182,576$646.3K0.04%
Warm Springs Advisors Inc.136,400$482.9K0.41%
Catalyst Funds Management Pty Ltd113,400$401.4K0.07%
Vanguard Asset Management, Ltd110,492$391.1K0.00%
State of Wisconsin Investment Board103,459$366.2K0.00%
Vanguard Global Advisers, LLC88,429$313.0K0.00%
Janus Henderson Group PLC79,400$280.7K0.00%
Schonfeld Strategic Advisors LLC77,611$274.7K0.00%
China Universal Asset Management Co., Ltd.75,255$266.4K0.02%
Winton Group Ltd64,400$228.0K0.01%
Manufacturers Life Insurance Company, The64,100$226.9K0.00%
Virtus Investment Advisers, Inc.63,563$225.0K0.06%
Fore Capital, LLC60,000$212.4K0.50%
State of New Jersey Common Pension Fund D56,493$200.0K0.00%
MYDA Advisors LLC50,000$177.0K0.04%
Trueblood Wealth Management, LLC50,000$177.0K0.07%
VectorGlobal IAG, Inc.49,922$176.7K0.05%
Jump Financial, LLC46,026$162.9K0.00%
Bank of New York Mellon Corp45,609$161.5K0.00%
Vanguard Investments Australia, Ltd.43,091$152.5K0.00%
Ruane, Cunniff & Goldfarb L.P.42,112$149.1K0.00%
HighTower Advisors, LLC38,138$135.0K0.00%
Amundi33,121$117.2K0.00%
DRW Securities, LLC29,045$102.8K0.01%
Quantessence Capital LLC25,311$89.6K0.44%
Alliancebernstein L.P.21,200$75.0K0.00%
Vontobel Holding Ltd.20,000$70.8K0.00%
Regent Peak Wealth Advisors LLC20,000$70.8K0.01%
Mercer Global Advisors Inc19,683$69.7K0.00%
Stonehage Fleming Financial Services Holdings Ltd19,080$67.5K0.00%
Bank of Montreal18,930$67.0K0.00%
Cetera Investment Advisers18,164$64.3K0.00%
Toroso Investments, LLC15,574$55.1K0.00%
DnB Asset Management AS13,572$48.0K0.00%
Parallel Advisors, LLC13,453$47.6K0.00%
Lighthouse Investment Partners, LLC13,000$46.0K0.00%
Royal Bank of Canada11,557$41.0K0.00%
AQR Capital Management LLC11,070$39.2K0.00%
Adalta Capital Management LLC10,973$38.8K0.02%
Universal- Beteiligungs- und Servicegesellschaft mbH10,000$35.4K0.00%
CWM, LLC9,549$33.8K0.00%
Evolution Wealth Management Inc.6,467$22.9K0.02%
Jones Financial Companies LLLP6,029$20.2K0.00%
Steward Partners Investment Advisory, LLC5,000$17.7K0.00%
Advisory Services Network, LLC4,247$15.0K0.00%
CI Private Wealth, LLC10,585$8.88K0.00%
Quent Capital, LLC1,518$5.37K0.00%
Ancora Advisors, LLC1,147$4.06K0.00%
Southern Michigan Bank & Trust1,069$3.78K0.00%
Quintet Private Bank (Europe) S.A.1,000$3.54K0.00%
Lodestone Wealth Management LLC875$3.10K0.00%
Avion Wealth500$1.00K0.00%
Harbour Investments, Inc.200$7080.00%
GAMMA Investing LLC159$5630.00%
Hamrick Investment Counsel, llc100$3540.00%
Farther Finance Advisors, LLC1$40.00%
Close Asset Management Ltd56$00.00%

Sold out (27)

Institutions that held AtaiBeckley Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of ATAI in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
ARK Investment Management LLCSuperinvestorARK Invest3,305,997$13.5M
Ally Bridge Group (NY) LLC1,713,105$7.01M
HRT Financial LP1,469,246$6.01M
Jane Street Group, LLC759,996$3.11M
Price T Rowe Associates Inc465,352$1.90M
Group One Trading, L.P.321,279$1.31M
American Century Companies Inc270,451$1.11M
Two Sigma Advisers, LP176,200$720.7K
California State Teachers Retirement System151,453$619.4K
Z3 Capital Partners, LLC94,950$388.3K
Connor, Clark & Lunn Investment Management Ltd.84,244$344.6K
FreeGulliver LLC62,500$255.6K
Simplex Trading, LLC53,065$217.0K
Quadrature Capital Ltd47,848$195.7K
Stephens Inc46,980$192.1K
Pale Fire Capital SE45,811$187.4K
Persistent Asset Partners Ltd43,973$179.8K
Balyasny Asset Management LLC28,957$118.4K
McAdam, LLC19,649$80.4K
Coastal Bridge Advisors, LLC12,150$49.7K
Tudor Investment Corp Et Al11,657$47.7K
Oxford Asset Management LLP10,330$42.3K
State of Wyoming6,722$27.5K
T. Rowe Price Investment Management, Inc.3,684$16.0K
Proffitt & Goodson Inc2,000$8.18K
Hollencrest Capital Management600$2.45K
Northwestern Mutual Wealth Management Co300$1.23K

Not filed for Q1 2026 yet (2)

Institutions that held AtaiBeckley Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATAI in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc153,583$628.2K
Global Retirement Partners, LLC1,080$4.42K