459 hedge funds and large institutions have $10.5B invested in ATI in 2025 Q3 according to their latest regulatory filings, with 90 funds opening new positions, 145 increasing their positions, 153 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
459
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$109M
Puts
$116M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Amundi
76
Amundi
France
$17.4M
MCM
77
Moore Capital Management
New York
$17.2M
LOM
78
LTS One Management
New York
$17.1M
GAM
79
Gotham Asset Management
New York
$16.1M
EMFAT
80
Emerald Mutual Fund Advisers Trust
Pennsylvania
$14.9M
Tudor Investment Corp
81
Tudor Investment Corp
Connecticut
$14.8M
Hudson Bay Capital Management
82
Hudson Bay Capital Management
Connecticut
$12.6M
New York State Teachers Retirement System (NYSTRS)
83
New York State Teachers Retirement System (NYSTRS)
New York
$12.2M
JGC
84
J. Goldman & Co
New York
$12M
MPM
85
Mountaineer Partners Management
New York
$11.7M
SEIA
86
Signature Estate & Investment Advisors
California
$11.7M
JAM
87
Jupiter Asset Management
United Kingdom
$11.2M
RA
88
Royce & Associates
New York
$11.2M
BA
89
Bridgewater Associates
Connecticut
$11.1M
California State Teachers Retirement System (CalSTRS)
90
California State Teachers Retirement System (CalSTRS)
California
$10.9M
KPM
91
Kinetic Partners Management
Florida
$10.8M
AQR Capital Management
92
AQR Capital Management
Connecticut
$10.4M
BCP
93
Bayberry Capital Partners
New York
$10.1M
SEI Investments
94
SEI Investments
Pennsylvania
$9.56M
Connor, Clark & Lunn Investment Management (CC&L)
95
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$9.46M
Deutsche Bank
96
Deutsche Bank
Germany
$9.29M
Citadel Advisors
97
Citadel Advisors
Florida
$9.18M
Allianz Asset Management
98
Allianz Asset Management
Germany
$8.9M
AG
99
Algert Global
California
$8.78M
DCM
100
Discovery Capital Management
Connecticut
$8.55M