ATAI
ATAI BECKLEY (ATAI)
NASDAQ
$4.18+$0.13 (+3.09%)
Price as of Jun 23, 2026 1:34 PM EDT
  • $1.5B
    Market Cap
  • 100.50%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
DEEP TRACK CAPITAL, LP
3.26%
12.0M
+12.0M (+100.00%)
Mar 31, 2026
N/A
3.19%
11.8M
+11.8M (+100.00%)
Mar 31, 2026
UBS GROUP AG
2.02%
7.4M
+7.4M (+100.00%)
Mar 31, 2026
BLACKROCK, INC.
1.86%
6.8M
+6.8M (+100.00%)
Mar 31, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
1.53%
5.6M
+5.6M (+100.00%)
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
1.44%
5.3M
+5.3M (+100.00%)
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
1.19%
4.4M
+4.4M (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions461.9M (72.41%)
  • Insiders112.3M (17.61%)
  • Mutual Funds63.6M (9.98%)
  • Other0 (0.00%)

Insider Transactions

  • 17.61% (112.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
HERSHBERG ROBERT
Award
Nov 05, 2025
$0.00
456,011
$0.00
456,011
HERSHBERG ROBERT
Award
Nov 05, 2025
$0.00
97,716
$0.00
97,716
HERSHBERG ROBERT
Award
Nov 05, 2025
$0.00
62,394
$0.00
62,394
HERSHBERG ROBERT
Award
Nov 05, 2025
$0.00
103,000
$0.00
103,000
Braunstein Scott
Award
Nov 04, 2025
$0.00
56,818
$0.00
56,818
Barrett Christopher Ryan Cave
See Remarks
Award
Oct 01, 2025
$0.00
175,000
$0.00
175,000
Apeiron Investment Group Ltd.
Conversion
Sep 30, 2025
$0.00
147,950
$0.00
0
Apeiron Investment Group Ltd.
Conversion
Sep 30, 2025
$0.00
2.4M
$0.00
53.4M
Rao Srinivas
See Remarks
Award
Aug 13, 2025
$0.00
650,794
$0.00
650,794
Rao Srinivas
See Remarks
Award
Aug 13, 2025
$0.00
217,777
$0.00
217,777
Braunstein Scott
Award
Jun 26, 2025
$0.00
103,000
$0.00
103,000
Hoffman John Francis
Award
Jun 26, 2025
$0.00
206,000
$0.00
206,000
Kalali Amir H
Award
Jun 26, 2025
$0.00
103,000
$0.00
103,000
Smiley Andrea Heslin
Award
Jun 26, 2025
$0.00
103,000
$0.00
103,000
JOHNSON SABRINA MARTUCCI
Award
Jun 26, 2025
$0.00
103,000
$0.00
103,000
Fischer Laurent
Award
Jun 26, 2025
$0.00
103,000
$0.00
103,000
Angermayer Christian
Award
Jun 02, 2025
$0.00
131,698
$0.00
131,698
Apeiron Investment Group Ltd.
Buy
Mar 24, 2025
$2.5M
1.8M
$1.40
42.4M
Short Glenn Frank
Chief Scientific Officer
Sell
Mar 21, 2025
$17,767.35
13,161
$1.35
42,333
Craig Kevin James
Chief Medical Officer
Sell
Mar 21, 2025
$15,610.05
11,563
$1.35
8,437
Kirpekar Sahil
Chief Business Officer
Sell
Mar 21, 2025
$65,560.05
48,563
$1.35
115,636
Rao Srinivas
See Remarks
Sell
Mar 21, 2025
$101,814.30
75,418
$1.35
212,942
Johnson Anne Nagengast
Chief Financial Officer
Sell
Mar 21, 2025
$45,285.75
33,545
$1.35
140,045
Short Glenn Frank
Chief Scientific Officer
Exempt
Mar 14, 2025
$0.00
32,500
$0.00
0
Craig Kevin James
Chief Medical Officer
Exempt
Mar 14, 2025
$0.00
20,000
$0.00
0
Kirpekar Sahil
Chief Business Officer
Exempt
Mar 14, 2025
$0.00
100,000
$0.00
0
Rao Srinivas
See Remarks
Exempt
Mar 14, 2025
$0.00
175,000
$0.00
0
Johnson Anne Nagengast
Chief Financial Officer
Exempt
Mar 14, 2025
$0.00
100,000
$0.00
0
Craig Kevin James
Chief Medical Officer
Exempt
Mar 14, 2025
$0.00
20,000
$0.00
20,000
Kirpekar Sahil
Chief Business Officer
Exempt
Mar 14, 2025
$0.00
100,000
$0.00
164,199