459 hedge funds and large institutions have $11.5B invested in ATI in 2025 Q2 according to their latest regulatory filings, with 106 funds opening new positions, 120 increasing their positions, 183 reducing their positions, and 60 closing their positions.

Holders
459
Holders Change
+37
Holders Change %
+8.77%
% of All Funds
6.16%
Holding in Top 10
9
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-10%
% of All Funds
0.12%
New
106
Increased
120
Reduced
183
Closed
60
Calls
$73.1M
Puts
$193M
Net Calls
-$120M
Net Calls Change
-$138M
Name Market Value Shares Shares
Change
Shares
Change %
Group One Trading
526
Group One Trading
Illinois