564 hedge funds and large institutions have $14.7B invested in ATI in 2025 Q4 according to their latest regulatory filings, with 142 funds opening new positions, 167 increasing their positions, 180 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

20% more funds holding

Funds holding: 469564 (+95)

0.87% more ownership

Funds ownership: 93.42%94.29% (+0.87%)

7% less repeat investments, than reductions

Existing positions increased: 167 | Existing positions reduced: 180

Holders
564
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$154M
Puts
$83.1M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
State of Wisconsin Investment Board
76
State of Wisconsin Investment Board
Wisconsin
$26.3M
Legal & General Group
77
Legal & General Group
United Kingdom
$25.8M
Wells Fargo
78
Wells Fargo
California
$25M
DCM
79
Driehaus Capital Management
Illinois
$24.5M
HRCM
80
Hawk Ridge Capital Management
California
$24M
IG
81
ING Group
Netherlands
$22.4M
EMFAT
82
Emerald Mutual Fund Advisers Trust
Pennsylvania
$21.1M
CWM
83
CIBC World Markets
New York
$20.4M
Voloridge Investment Management
84
Voloridge Investment Management
Florida
$20.2M
Corient Private Wealth
85
Corient Private Wealth
Florida
$20M
CCS
86
Concentric Capital Strategies
Connecticut
$18.6M
Natixis Advisors
87
Natixis Advisors
Massachusetts
$17.4M
New York State Teachers Retirement System (NYSTRS)
88
New York State Teachers Retirement System (NYSTRS)
New York
$17M
SEIA
89
Signature Estate & Investment Advisors
California
$16.6M
Barclays
90
Barclays
United Kingdom
$16M
SA
91
Sanctuary Advisors
Indiana
$15.5M
Man Group
92
Man Group
United Kingdom
$15.1M
RA
93
Royce & Associates
New York
$15.1M
California State Teachers Retirement System (CalSTRS)
94
California State Teachers Retirement System (CalSTRS)
California
$15M
MPM
95
Mountaineer Partners Management
New York
$14.8M
AG
96
Algert Global
California
$14.7M
JAM
97
Jupiter Asset Management
United Kingdom
$14.4M
SEI Investments
98
SEI Investments
Pennsylvania
$13.7M
WAM
99
Weiss Asset Management
Massachusetts
$13.7M
JGC
100
J. Goldman & Co
New York
$13.1M