ATAI icon

ATAI Life Sciences
ATAI

Overview Fund Activity

93 hedge funds and large institutions have $63.9M invested in ATAI Life Sciences in 2025 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 19 increasing their positions, 22 reducing their positions, and 7 closing their positions.

Holders
93
Holders Change
+14
Holders Change %
+17.72%
% of All Funds
1.25%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.01%
New
23
Increased
19
Reduced
22
Closed
7
Calls
$461K
Puts
$675K
Net Calls
-$214K
Net Calls Change
-$1.1M

Top Buyers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$11.9M
2
UBS Group
2
UBS Group
Switzerland
$16.9M
3
Citadel Advisors
3
Citadel Advisors
Florida
$2.58M
4
Marshall Wace
4
Marshall Wace
United Kingdom
$613K
5
Goldman Sachs
5
Goldman Sachs
New York
$762K

Top Sellers

1
DKCM
1
Davidson Kempner Capital Management
New York
$0
2
BC
2
BIT Capital
Germany
$50.8K
3
BlackRock
3
BlackRock
New York
$9.64K
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$1.52M
5
Citigroup
5
Citigroup
New York
$10.4K
Name Market Value Shares Shares
Change 		Shares
Change %
Simplex Trading
26
Simplex Trading
Illinois
$174K 79,533 +79,533 New
Royal Bank of Canada
27
Royal Bank of Canada
Ontario, Canada
$143K 65,197 +54,122 +489%
KWA
28
Kingswood Wealth Advisors
California
$131K 60,000 – –
QCM
29
Quantinno Capital Management
New York
$128K 58,246 +58,246 New
DC
30
Diametric Capital
Massachusetts
$116K 53,024 -3,995 -7%
Raymond James Financial
31
Raymond James Financial
Florida
$113K 51,752 -9,675 -16%
CAI
32
Capital Advisors Inc
Oklahoma
$110K 50,000 -20,000 -29%
SIM
33
Seaview Investment Managers
Florida
$109K 49,922 – –
Cerity Partners
34
Cerity Partners
New York
$101K 46,284 -199 -0.4%
RCG
35
Ruane, Cunniff & Goldfarb
New York
$92.2K 42,112 – –
BNP Paribas Financial Markets
36
BNP Paribas Financial Markets
France
$89.6K 40,925 +11,635 +40%
Group One Trading
37
Group One Trading
Illinois
$82.7K 37,753 -20,043 -35%
CAM
38
Cresset Asset Management
Illinois
$78.8K 35,984 – –
QC
39
Quadrature Capital
United Kingdom
$70.4K 32,222 +32,222 New
Two Sigma Advisers
40
Two Sigma Advisers
New York
$67.7K 30,900 +30,900 New
WPC
41
Wedmont Private Capital
Pennsylvania
$66.5K 25,000 – –
HighTower Advisors
42
HighTower Advisors
Illinois
$59.6K 27,221 -110 -0.4%
EW
43
Evoke Wealth
California
$58.3K 26,600 +26,600 New
SB
44
Strategic Blueprint
Georgia
$51.5K 23,500 – –
BC
45
BIT Capital
Germany
$50.8K 23,218 -415,889 -95%
TSS
46
Two Sigma Securities
New York
$46.2K 21,117 +21,117 New
PCM
47
Prelude Capital Management
New York
$45.4K 20,745 -1,563 -7%
FCH
48
Freestone Capital Holdings
Washington
$43.8K 20,000 -10,000 -33%
VCA
49
Verdence Capital Advisors
Maryland
$42K 19,178 +69 +0.4%
LPL Financial
50
LPL Financial
California
$41.9K 19,125 +900 +5%
1
2
3 4 5