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Ownership — ATAI
Institutional Holdings
Insider Transactions
US Institutional Ownership
36.7%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
25.57M
$134.0M
6.93%
+18.74M
2026-06-30
Deep Track Capital, LP
14.42M
$75.0M
3.90%
+2.42M
2026-06-30
Vanguard Capital Management LLC
11.75M
$61.0M
3.18%
-14.1K
2026-06-30
State Street Corp
8.29M
$43.0M
2.24%
+7.14M
2026-06-30
Geode Capital Management, LLC
6.93M
$36.0M
1.88%
+4.42M
2026-06-30
Adage Capital Partners GP, L.L.C.
5.64M
$29.0M
1.53%
--
2026-06-30
UBS Group AG
4.42M
$23.0M
1.20%
-3.00M
2026-06-30
Vanguard Portfolio Management LLC
4.11M
$21.0M
1.11%
--
2026-06-30
Morgan Stanley
3.84M
$20.0M
1.04%
-9.5K
2026-06-30
Candriam S.C.A.
3.04M
$16.0M
0.82%
-47.0K
2026-06-30
Foresite Capital Management VI LLC
2.75M
$14.0M
0.74%
--
2026-06-30
Northern Trust Corp
2.59M
$13.0M
0.70%
+2.05M
2026-06-30
Citadel Advisors LLC
2.52M
$13.0M
0.68%
+1.98M
2026-06-30
Rtw Investments, LP
2.00M
$10.0M
0.54%
--
2026-06-30
Sixth Street Partners Management Company, L.P.
1.97M
$10.0M
0.53%
--
2026-06-30
Charles Schwab Investment Management Inc
1.97M
$10.0M
0.53%
+784.1K
2026-06-30
Millennium Management LLC
1.77M
$9.0M
0.48%
-2.59M
2026-06-30
Eagle Health Investments LP
1.71M
$9.0M
0.46%
--
2026-06-30
Vanguard Fiduciary Trust Co
1.58M
$8.0M
0.43%
+319.6K
2026-06-30
Halter Ferguson Financial Inc.
1.49M
$7.0M
0.40%
--
2026-06-30
First Trust Advisors LP
1.38M
$7.0M
0.37%
--
2026-06-30
Price T Rowe Associates Inc
1.35M
$7.0M
0.37%
+885.4K
2026-06-30
Nuveen, LLC
1.30M
$6.0M
0.35%
+1.12M
2026-06-30
Newtyn Management, LLC
1.19M
$6.0M
0.32%
-593.9K
2026-06-30
Goldman Sachs Group Inc
1.03M
$5.0M
0.28%
+425.2K
2026-06-30
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