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570 hedge funds and large institutions have $14.8B invested in ATI in 2025 Q4 according to their latest regulatory filings, with 145 funds opening new positions, 169 increasing their positions, 181 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

303% more first-time investments, than exits

New positions opened: 145 | Existing positions closed: 36

85% more call options, than puts

Call options by funds: $154M | Put options by funds: $83.1M

41% more capital invested

Capital invested by funds: $10.5B → $14.8B (+$4.28B)

33% more funds holding in top 10

Funds holding in top 10: 912 (+3)

21% more funds holding

Funds holding: 470570 (+100)

1.14% more ownership

Funds ownership: 93.44%94.57% (+1.1%)

7% less repeat investments, than reductions

Existing positions increased: 169 | Existing positions reduced: 181

Holders
570
Holders Change
+100
Holders Change %
+21.28%
% of All Funds
6.93%
Holding in Top 10
12
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+33.33%
% of All Funds
0.15%
New
145
Increased
169
Reduced
181
Closed
36
Calls
$154M
Puts
$83.1M
Net Calls
+$70.4M
Net Calls Change
+$77.5M
Name Holding Trade Value Shares
Change
Change in
Stake
Mariner
151
Mariner
Kansas
$6.21M +$4.63M +47,549 +727%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
152
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$6.14M +$1.65M +16,900 +46%
Nordea Investment Management
153
Nordea Investment Management
Sweden
$6.11M +$5.14M +52,700 New
SC
154
Sagefield Capital
Texas
$5.9M -$1.76M -18,102 -26%
CF
155
Covea Finance
France
$5.67M -$575K -5,900 -11%
TD Asset Management
156
TD Asset Management
Ontario, Canada
$5.48M +$3.04M +31,244 +189%
Thrivent Financial for Lutherans
157
Thrivent Financial for Lutherans
Minnesota
$5.43M +$114K +1,165 +3%
State of New Jersey Common Pension Fund D
158
State of New Jersey Common Pension Fund D
New Jersey
$5.38M -$253K -2,598 -5%
PNC Financial Services Group
159
PNC Financial Services Group
Pennsylvania
$5.26M -$16K -164 -0.4%
YCM
160
Yousif Capital Management
Michigan
$5.24M -$129K -1,319 -3%
Pathstone Holdings
161
Pathstone Holdings
New Jersey
$5.2M -$266K -2,733 -6%
William Blair & Company
162
William Blair & Company
Illinois
$5.06M +$3.94M +40,415 +1,096%
Zurich Cantonal Bank
163
Zurich Cantonal Bank
Switzerland
$5.04M -$2.14M -21,949 -33%
Asset Management One
164
Asset Management One
Japan
$4.94M -$271K -2,784 -6%
1CM
165
1492 Capital Management
Wisconsin
$4.85M +$193K +1,982 +5%
FMII
166
Farmers & Merchants Investments Inc
Nebraska
$4.83M -$214K -2,196 -5%
VOYA Investment Management
167
VOYA Investment Management
Georgia
$4.77M +$194K +1,991 +5%
Ohio Public Employees Retirement System (OPERS)
168
Ohio Public Employees Retirement System (OPERS)
Ohio
$4.75M -$309K -3,169 -7%
P8IP
169
Pier 88 Investment Partners
California
$4.7M +$3.3M +33,910 +484%
Credit Agricole
170
Credit Agricole
France
$4.48M +$1.36M +13,963 +56%
Janney Montgomery Scott
171
Janney Montgomery Scott
Pennsylvania
$4.48M +$1.09M +11,134 +40%
ASRS
172
Arizona State Retirement System
Arizona
$4.41M -$324K -3,327 -8%
Envestnet Portfolio Solutions
173
Envestnet Portfolio Solutions
Illinois
$4.34M -$186K -1,904 -5%
QT
174
Quantbot Technologies
New York
$4.32M +$3.06M +31,375 +498%
LSERS
175
Louisiana State Employees Retirement System
Louisiana
$4.31M -$78K -800 -2%