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
VCM
501
Versant Capital Management
Arizona
$249K
SP
502
SmartHarvest Portfolios
Washington
$249K
MCM
503
Mainstream Capital Management
California
$247K
AFP
504
Ausdal Financial Partners
Iowa
$244K
APP
505
Avantax Planning Partners
Iowa
$244K
TC
506
TwinBeech Capital
New York
$243K
CAAS
507
Capital Asset Advisory Services
Michigan
$242K
FCM
508
Fieldview Capital Management
Michigan
$234K
DT
509
DV Trading
Illinois
$233K
AO
510
Advisor OS
Illinois
$232K
IAS
511
Insigneo Advisory Services
Florida
$227K
I
512
InceptionR
California
$225K
FMI
513
F/M Investments
District of Columbia
$224K
PPW
514
Parcion Private Wealth
Washington
$222K
RGF
515
Retirement Guys Formula
Ohio
$222K
AIC
516
Archer Investment Corporation
Indiana
$220K
MSRI
517
Michael S. Ryan Inc
New York
$216K
FCP
518
Fidelis Capital Partners
Florida
$215K
EPW
519
Evolve Private Wealth
California
$215K
WAG
520
Wilkerson Advisory Group
Missouri
$214K
NA
521
Networth Advisors
Pennsylvania
$213K
IWS
522
Insight Wealth Strategies
California
$211K
CIA
523
Cape Investment Advisory
Georgia
$209K
SL
524
Sentinus LLC
Illinois
$208K
PWP
525
Ponta Wealth Partners
Florida
$208K