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570 hedge funds and large institutions have $14.8B invested in ATI in 2025 Q4 according to their latest regulatory filings, with 145 funds opening new positions, 169 increasing their positions, 181 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

303% more first-time investments, than exits

New positions opened: 145 | Existing positions closed: 36

85% more call options, than puts

Call options by funds: $154M | Put options by funds: $83.1M

41% more capital invested

Capital invested by funds: $10.5B → $14.8B (+$4.28B)

33% more funds holding in top 10

Funds holding in top 10: 912 (+3)

21% more funds holding

Funds holding: 470570 (+100)

1.14% more ownership

Funds ownership: 93.44%94.57% (+1.1%)

7% less repeat investments, than reductions

Existing positions increased: 169 | Existing positions reduced: 181

Holders
570
Holders Change
+100
Holders Change %
+21.28%
% of All Funds
6.93%
Holding in Top 10
12
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+33.33%
% of All Funds
0.15%
New
145
Increased
169
Reduced
181
Closed
36
Calls
$154M
Puts
$83.1M
Net Calls
+$70.4M
Net Calls Change
+$77.5M
Name Holding Trade Value Shares
Change
Change in
Stake
NAMI
76
Nomura Asset Management International
Pennsylvania
$27.5M +$23.4M +239,609 New
State of Wisconsin Investment Board
77
State of Wisconsin Investment Board
Wisconsin
$26.3M -$3.28M -33,636 -13%
Legal & General Group
78
Legal & General Group
United Kingdom
$25.8M -$1.48M -15,138 -6%
Wells Fargo
79
Wells Fargo
California
$25M -$229K -2,354 -1%
DCM
80
Driehaus Capital Management
Illinois
$24.5M +$20.8M +213,111 New
HRCM
81
Hawk Ridge Capital Management
California
$24M -$6.34M -65,100 -24%
IG
82
ING Group
Netherlands
$22.4M -$9.57M -98,213 -33%
EMFAT
83
Emerald Mutual Fund Advisers Trust
Pennsylvania
$21.1M
CWM
84
CIBC World Markets
New York
$20.4M +$17.3M +177,444 New
Voloridge Investment Management
85
Voloridge Investment Management
Florida
$20.2M -$39.4M -404,735 -70%
CCS
86
Concentric Capital Strategies
Connecticut
$18.6M +$15.8M +161,956 New
Natixis Advisors
87
Natixis Advisors
Massachusetts
$17.4M +$7.34M +75,342 +99%
New York State Teachers Retirement System (NYSTRS)
88
New York State Teachers Retirement System (NYSTRS)
New York
$17M -$198K -2,032 -1%
SEIA
89
Signature Estate & Investment Advisors
California
$16.6M +$60.2K +618 +0.4%
Barclays
90
Barclays
United Kingdom
$16M -$17.6M -180,147 -56%
SA
91
Sanctuary Advisors
Indiana
$15.5M +$5.23M +53,629 +66%
Man Group
92
Man Group
United Kingdom
$15.1M +$10.1M +103,140 +362%
RA
93
Royce & Associates
New York
$15.1M -$578K -5,930 -4%
California State Teachers Retirement System (CalSTRS)
94
California State Teachers Retirement System (CalSTRS)
California
$15M -$358K -3,672 -3%
MPM
95
Mountaineer Partners Management
New York
$14.8M -$1.47M -15,111 -10%
AG
96
Algert Global
California
$14.7M +$1.95M +20,045 +19%
JAM
97
Jupiter Asset Management
United Kingdom
$14.4M -$1.24M -12,749 -9%
SEI Investments
98
SEI Investments
Pennsylvania
$13.7M +$203K +2,088 +2%
WAM
99
Weiss Asset Management
Massachusetts
$13.7M +$10.6M +108,790 +1,062%
JGC
100
J. Goldman & Co
New York
$13.1M -$3.24M -33,215 -23%