566 hedge funds and large institutions have $14.7B invested in ATI in 2025 Q4 according to their latest regulatory filings, with 143 funds opening new positions, 168 increasing their positions, 180 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

21% more funds holding

Funds holding: 468566 (+98)

1.13% more ownership

Funds ownership: 93.42%94.55% (+1.1%)

7% less repeat investments, than reductions

Existing positions increased: 168 | Existing positions reduced: 180

Holders
566
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$154M
Puts
$83.1M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Mariner
151
Mariner
Kansas
$6.21M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
152
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$6.14M
Nordea Investment Management
153
Nordea Investment Management
Sweden
$6.11M
SC
154
Sagefield Capital
Texas
$5.9M
CF
155
Covea Finance
France
$5.67M
TD Asset Management
156
TD Asset Management
Ontario, Canada
$5.48M
Thrivent Financial for Lutherans
157
Thrivent Financial for Lutherans
Minnesota
$5.43M
State of New Jersey Common Pension Fund D
158
State of New Jersey Common Pension Fund D
New Jersey
$5.38M
PNC Financial Services Group
159
PNC Financial Services Group
Pennsylvania
$5.26M
YCM
160
Yousif Capital Management
Michigan
$5.24M
Pathstone Holdings
161
Pathstone Holdings
New Jersey
$5.2M
William Blair & Company
162
William Blair & Company
Illinois
$5.06M
Zurich Cantonal Bank
163
Zurich Cantonal Bank
Switzerland
$5.04M
Asset Management One
164
Asset Management One
Japan
$4.94M
1CM
165
1492 Capital Management
Wisconsin
$4.85M
FMII
166
Farmers & Merchants Investments Inc
Nebraska
$4.83M
VOYA Investment Management
167
VOYA Investment Management
Georgia
$4.77M
Ohio Public Employees Retirement System (OPERS)
168
Ohio Public Employees Retirement System (OPERS)
Ohio
$4.75M
P8IP
169
Pier 88 Investment Partners
California
$4.7M
Credit Agricole
170
Credit Agricole
France
$4.48M
Janney Montgomery Scott
171
Janney Montgomery Scott
Pennsylvania
$4.48M
ASRS
172
Arizona State Retirement System
Arizona
$4.41M
Envestnet Portfolio Solutions
173
Envestnet Portfolio Solutions
Illinois
$4.34M
QT
174
Quantbot Technologies
New York
$4.32M
LSERS
175
Louisiana State Employees Retirement System
Louisiana
$4.31M