669 hedge funds and large institutions have $18.5B invested in ATI in 2026 Q1 according to their latest regulatory filings, with 163 funds opening new positions, 241 increasing their positions, 190 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
669
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$159M
Puts
$77.3M
Net Calls
Net Calls Change

Top Buyers

1 +$464M
2 +$355M
3 +$247M
4
Jane Street
Jane Street
New York
+$169M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$163M
Name Holding Trade Value Shares
Change
Change in
Stake
American Century Companies
26
American Century Companies
Missouri
$156M
BHC
27
Bowen Hanes & Co
Florida
$152M
Mirae Asset Global ETFs Holdings
28
Mirae Asset Global ETFs Holdings
Hong Kong
$150M
Ameriprise
29
Ameriprise
Minnesota
$145M
Fisher Asset Management
30
Fisher Asset Management
Washington
$134M
Bank of New York Mellon
31
Bank of New York Mellon
New York
$126M
Qube Research & Technologies (QRT)
32
Qube Research & Technologies (QRT)
United Kingdom
$125M
Balyasny Asset Management
33
Balyasny Asset Management
Illinois
$124M
VFT
34
Vanguard Fiduciary Trust
Pennsylvania
$123M
PNC Financial Services Group
35
PNC Financial Services Group
Pennsylvania
$121M
Prudential Financial
36
Prudential Financial
New Jersey
$118M
Barrow, Hanley, Mewhinney & Strauss
37
Barrow, Hanley, Mewhinney & Strauss
Texas
$114M
AIM
38
Artemis Investment Management
United Kingdom
$105M
FCM
39
Frontier Capital Management
Massachusetts
$101M
Loomis, Sayles & Company
40
Loomis, Sayles & Company
Massachusetts
$95M
BNP Paribas Financial Markets
41
BNP Paribas Financial Markets
France
$94.8M
Raymond James Financial
42
Raymond James Financial
Florida
$92.5M
Millennium Management
43
Millennium Management
New York
$90.1M
Assenagon Asset Management
44
Assenagon Asset Management
Luxembourg
$85M
N
45
Nuveen
North Carolina
$84.2M
FGP
46
Freestone Grove Partners
California
$83.8M
Federated Hermes
47
Federated Hermes
Pennsylvania
$79.4M
Allspring Global Investments
48
Allspring Global Investments
North Carolina
$78.7M
Marshall Wace
49
Marshall Wace
United Kingdom
$78M
Neuberger Berman Group
50
Neuberger Berman Group
New York
$72M