ATI Stock Ownership Activity

ALLEGHENY TECHNOLOGIES INC 13F holders

1 value investing guru has made changes to the ALLEGHENY TECHNOLOGIES INC (ATI) position according to the gurus' latest SEC quarterly report(s). ATI has been bought (as a new position) by 1 guru(s)

Which gurus or hedge funds are buying ATI now?

According to the latest SEC filing(s) ALLEGHENY TECHNOLOGIES INC (ATI) has been bought by Ole Andreas Halvorsen - Viking Global Investors (new buy).

To see more about who is investing in ALLEGHENY TECHNOLOGIES INC (ATI), please go to the ATI ownership page.

History
Name
Company
%
Activity
Share
Change
% change to
Portfolio
% of
Portfolio
2026 Q1 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
buy
+3,332,843
+1.36%
1.36%
Current price: $179.94 23.70% Reported price*: $145.46
2025 Q2 (1 result)
Connor Haley
Alta Fox Capital Management
-100.00%
-216,300
-3.06%
0.00%
Current price: $179.94 245.84% Reported price*: $52.03
2025 Q1 (1 result)
Connor Haley
Alta Fox Capital Management
buy
+216,300
+4.46%
0.00%
Current price: $179.94 245.84% Reported price*: $52.03
2020 Q1 (1 result)
Alex Roepers
Atlantic Investment Management
-100.00%
-50,000
-0.58%
0.00%
Current price: $179.94 770.96% Reported price*: $20.66
2019 Q4 (1 result)
Alex Roepers
Atlantic Investment Management
buy
+50,000
+0.31%
0.00%
Current price: $179.94 770.96% Reported price*: $20.66
5 of 5

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.