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ATAI Life Sciences

79 hedge funds and large institutions have $29.7M invested in ATAI Life Sciences in 2025 Q1 according to their latest regulatory filings, with 9 funds opening new positions, 17 increasing their positions, 21 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
79
Holders Change
-9
Holders Change %
-10.23%
% of All Funds
1.07%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
9
Increased
17
Reduced
21
Closed
16
Calls
$1.27M
Puts
$388K
Net Calls
+$884K
Net Calls Change
+$45K
Name Holding Trade Value Shares
Change
Shares
Change %
CSC
76
Caldwell Sutter Capital
California
$680
TWC
77
TD Waterhouse Canada
Ontario, Canada
$492
MCM
78
MAI Capital Management
Ohio
$408
RIL
79
Rothschild Investment LLC
Illinois
$68
Susquehanna International Group
80
Susquehanna International Group
Pennsylvania
-$409K -307,325 Closed
XT
81
XTX Topco
Cayman Islands
-$187K -140,544 Closed
Simplex Trading
82
Simplex Trading
Illinois
-$162K -121,984 Closed
ACM
83
ADAR1 Capital Management
Texas
-$133K -100,000 Closed
EP
84
Essential Planning
New Hampshire
-$112K -84,370 Closed
QFA
85
Quattro Financial Advisors
Texas
-$105K -70,976 Closed
Two Sigma Advisers
86
Two Sigma Advisers
New York
-$35.5K -26,700 Closed
RA
87
Resolute Advisors
California
-$22.3K -16,777 Closed
TRCT
88
Tower Research Capital (TRC)
New York
-$18K -13,549 Closed
RS
89
R Squared
Hong Kong
-$13.1K -9,820 Closed
PNC Financial Services Group
90
PNC Financial Services Group
Pennsylvania
-$6.98K -5,250 Closed
TIM
91
Tortoise Investment Management
New York
-$1.33K -1,000 Closed
Optiver Holding
92
Optiver Holding
Netherlands
-$402 -302 Closed
LFA
93
Legend Financial Advisors
Pennsylvania
-$310 -233 Closed
GEA
94
Glen Eagle Advisors
New Jersey
-$221 -166 Closed
AWM
95
Avior Wealth Management
Nebraska
-$75 -57 Closed