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
GIS
201
Graphene Investments SAS
France
$3.26M
HighTower Advisors
202
HighTower Advisors
Illinois
$3.18M
Northwestern Mutual Wealth Management
203
Northwestern Mutual Wealth Management
Wisconsin
$3.16M
Carson Wealth (CWM LLC)
204
Carson Wealth (CWM LLC)
Nebraska
$3.13M
OPERF
205
Oregon Public Employees Retirement Fund
Oregon
$3.11M
Wealth Enhancement Advisory Services
206
Wealth Enhancement Advisory Services
Minnesota
$3.1M
EAM
207
Erste Asset Management
Austria
$3.01M
SPS
208
Susquehanna Portfolio Strategies
Pennsylvania
$3M
Bank of Montreal
209
Bank of Montreal
Ontario, Canada
$2.99M
Assenagon Asset Management
210
Assenagon Asset Management
Luxembourg
$2.96M
Mercer Global Advisors
211
Mercer Global Advisors
Colorado
$2.95M
PAM
212
Panagora Asset Management
Massachusetts
$2.92M
HWAM
213
Hennion & Walsh Asset Management
New Jersey
$2.89M
Los Angeles Capital Management
214
Los Angeles Capital Management
California
$2.89M
AIP
215
Ameritas Investment Partners
Nebraska
$2.88M
JFG
216
Jefferies Financial Group
New York
$2.68M
HNB
217
Huntington National Bank
Ohio
$2.66M
Osaic Holdings
218
Osaic Holdings
Arizona
$2.4M
Pictet Asset Management
219
Pictet Asset Management
Switzerland
$2.38M
Victory Capital Management
220
Victory Capital Management
Texas
$2.34M
Teacher Retirement System of Texas
221
Teacher Retirement System of Texas
Texas
$2.32M
HFS
222
Hantz Financial Services
Michigan
$2.3M
MPEM
223
Marathon Partners Equity Management
New York
$2.3M
Kovitz Investment Group Partners
224
Kovitz Investment Group Partners
Illinois
$2.29M
FM
225
Freemont Management
Switzerland
$2.28M