Security Snapshot

Atai Beckley N.V. - Common Shares (ATAI) Institutional Ownership

CUSIP: N0731H103

13F Institutional Holders and Ownership History from Q2 2021 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

119

Shares (Excl. Options)

48,450,732

Price

$4.09

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Type / Class
Equity / Common Shares
Symbol
ATAI on Nasdaq
Shares outstanding
201,708,000
Price per share
$3.54
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
48,450,732
Total reported value
$198,152,408
% of total 13F portfolios
0%
Share change
+4,781,570
Value change
-$1,141,766
Number of holders
119
Price from insider filings
$3.54
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • ATAI - Atai Beckley N.V. - Common Shares is tracked under CUSIP N0731H103.
  • 119 institutions reported positions in Q4 2025.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 119 to 3 between Q4 2025 and Q1 2026.
  • Reported value moved from $198,152,408 to $1,212,378.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 119 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP N0731H103?
CUSIP N0731H103 identifies ATAI - Atai Beckley N.V. - Common Shares in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Atai Beckley N.V. - Common Shares (ATAI) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Galaxy Group Funding ECI U LLC 4.2% $11,945,148 8,471,736 Galaxy Group Funding ECI U LLC 31 Mar 2025

As of 31 Dec 2025, 119 institutional investors reported holding 48,450,732 shares of Atai Beckley N.V. - Common Shares (ATAI). This represents 24% of the company’s total 201,708,000 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Atai Beckley N.V. - Common Shares (ATAI) together control 21% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ADAGE CAPITAL PARTNERS GP, L.L.C. 3.5% 7,079,846 +30% 0.04% $28,956,570
MORGAN STANLEY 2.4% 4,820,972 +0.11% 0% $19,717,776
Deep Track Capital, LP 2.3% 4,677,289 0.44% $19,130,112
BlackRock, Inc. 1.4% 2,813,208 +63837% 0% $11,506,021
Foresite Capital Management VI LLC 1.4% 2,750,000 3.4% $11,247,500
RTW INVESTMENTS, LP 0.99% 2,000,000 0.08% $8,180,000
AMERIPRISE FINANCIAL INC 0.86% 1,735,252 0% $7,097,181
Ally Bridge Group (NY) LLC 0.85% 1,713,105 -25% 11% $7,006,599
Eagle Health Investments LP 0.83% 1,678,400 1.5% $6,864,656
CITADEL ADVISORS LLC 0.76% 1,541,506 -40% 0% $6,304,759
HRT FINANCIAL LP 0.73% 1,469,246 +266% 0.02% $6,009,000
TWO SIGMA INVESTMENTS, LP 0.7% 1,410,229 +288% 0.01% $5,767,837
Qube Research & Technologies Ltd 0.64% 1,281,190 +1733% 0.01% $5,240,067
Point72 Asset Management, L.P. 0.46% 935,712 0.01% $3,827,062
GOLDMAN SACHS GROUP INC 0.46% 930,013 +107% 0% $3,803,753
ADAR1 Capital Management, LLC 0.45% 913,242 0% 0.28% $3,735,160
CenterBook Partners LP 0.39% 780,501 +20% 0.16% $3,192,249
JANE STREET GROUP, LLC 0.38% 759,996 +27% 0% $3,108,383
Brown University 0.36% 718,500 0% 2.1% $2,938,665
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.3% 607,528 +35% 0% $2,484,790
Woodline Partners LP 0.3% 600,000 0.01% $2,454,000
AdvisorShares Investments LLC 0.27% 548,603 +8.4% 0.37% $2,243,786
Squarepoint Ops LLC 0.18% 354,685 +134% 0% $1,450,662
Swiss National Bank 0.16% 325,900 0% $1,332,931
GROUP ONE TRADING LLC 0.16% 321,279 -46% 0.04% $1,314,031

Institutional Holders of Atai Beckley N.V. - Common Shares (ATAI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 338,778 $1,212,378 -$631,190 $3.54 3
2025 Q4 48,450,732 $198,152,408 -$1,141,766 $4.09 119
2025 Q3 43,668,783 $231,059,153 +$80,864,192 $5.29 129
2025 Q2 29,166,674 $63,894,009 +$17,390,980 $2.19 93
2025 Q1 21,895,870 $29,726,883 +$10,047,150 $1.36 79
2024 Q4 14,528,665 $19,342,456 +$3,642,603 $1.33 87
2024 Q3 11,633,571 $13,467,869 -$480,313 $1.16 71
2024 Q2 11,977,620 $15,936,931 -$1,503,223 $1.33 84
2024 Q1 12,452,264 $24,555,324 -$1,242,903 $1.97 87
2023 Q4 13,373,587 $18,855,111 -$1,610,877 $1.41 85
2023 Q3 14,648,761 $19,054,624 -$710,485 $1.29 94
2023 Q2 15,282,917 $26,297,310 -$3,557,399 $1.72 95
2023 Q1 17,230,262 $31,172,612 -$17,541,006 $1.81 104
2022 Q4 25,058,931 $66,634,828 -$5,101,722 $2.66 112
2022 Q3 26,626,497 $88,129,359 +$15,297,994 $3.31 95
2022 Q2 21,691,637 $82,768,661 +$20,081,179 $3.64 92
2022 Q1 15,608,419 $79,380,407 +$3,373,088 $5.09 81
2021 Q4 14,303,545 $109,114,805 +$9,710,329 $7.63 80
2021 Q3 11,479,208 $172,760,788 +$2,004,768 $14.79 52
2021 Q2 11,380,182 $208,598,000 +$208,576,000 $18.50 41