422 hedge funds and large institutions have $6.9B invested in ATI in 2025 Q1 according to their latest regulatory filings, with 88 funds opening new positions, 160 increasing their positions, 118 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
422
Holders Change
+21
Holders Change %
+5.24%
% of All Funds
5.73%
Holding in Top 10
10
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+66.67%
% of All Funds
0.14%
New
88
Increased
160
Reduced
118
Closed
61
Calls
$31.3M
Puts
$13M
Net Calls
+$18.3M
Net Calls Change
+$18.8M
Name Holding Trade Value Shares
Change
Shares
Change %
Capital International Investors
1
Capital International Investors
California
$879M +$51.5M +989,904 +6%
Vanguard Group
2
Vanguard Group
Pennsylvania
$723M -$74.9M -1,438,867 -9%
BlackRock
3
BlackRock
New York
$682M -$246M -4,724,355 -26%
Capital World Investors
4
Capital World Investors
California
$363M +$5.55M +106,598 +2%
State Street
5
State Street
Massachusetts
$300M -$10.5M -202,261 -3%
Invesco
6
Invesco
Georgia
$252M +$8.01M +153,939 +3%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$220M -$125M -2,393,831 -36%
DC
8
Dendur Capital
New York
$186M
Ameriprise
9
Ameriprise
Minnesota
$152M -$12.4M -237,821 -8%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$136M +$3.11M +59,811 +2%
FCM
11
Frontier Capital Management
Massachusetts
$135M -$23.7M -456,293 -15%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$124M +$11.9M +227,829 +11%
D.E. Shaw & Co
13
D.E. Shaw & Co
New York
$85.3M +$9.14M +175,681 +12%
CCM
14
Channing Capital Management
Illinois
$80.8M -$6.28M -120,665 -7%
Charles Schwab
15
Charles Schwab
California
$77.7M -$3.67M -70,546 -5%
American Century Companies
16
American Century Companies
Missouri
$74M +$3.16M +60,651 +4%
BHC
17
Bowen Hanes & Co
Florida
$71.4M +$230K +4,420 +0.3%
Millennium Management
18
Millennium Management
New York
$71.1M +$65.9M +1,266,124 +1,267%
Barrow, Hanley, Mewhinney & Strauss
19
Barrow, Hanley, Mewhinney & Strauss
Texas
$68.4M +$572K +10,996 +0.8%
Northern Trust
20
Northern Trust
Illinois
$65.7M +$16.4M +316,090 +33%
Loomis, Sayles & Company
21
Loomis, Sayles & Company
Massachusetts
$64.1M -$1.4M -26,930 -2%
SIG
22
Senator Investment Group
New York
$63.1M +$25.7M +493,944 +69%
Neuberger Berman Group
23
Neuberger Berman Group
New York
$58.9M +$15.4M +296,634 +35%
Morgan Stanley
24
Morgan Stanley
New York
$57.4M -$22.2M -425,732 -28%
Citadel Advisors
25
Citadel Advisors
Florida
$55.5M +$35.2M +675,648 +173%