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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
JP Morgan Chase
51
JP Morgan Chase
New York
$40.7M +$2.11M +21,690 +7%
Corient Private Wealth
52
Corient Private Wealth
Florida
$40.5M -$366K -3,753 -1%
TCM
53
Tran Capital Management
California
$40.4M +$6.13M +62,908 +22%
UBS AM
54
UBS AM
Illinois
$40.4M -$842K -8,643 -2%
RhumbLine Advisers
55
RhumbLine Advisers
Massachusetts
$39.9M -$1.43M -14,670 -4%
CII
56
Capital International Inc
California
$37.4M -$8.58M -88,000 -21%
SIG
57
Senator Investment Group
New York
$37.3M
KA
58
KLCM Advisors
Wisconsin
$37M -$3.04M -31,173 -9%
SBH
59
Segall Bryant & Hamill
Illinois
$36.9M -$5.85M -60,039 -16%
Retirement Systems of Alabama
60
Retirement Systems of Alabama
Alabama
$35.4M -$350K -3,590 -1%
EA
61
Emerald Advisers
Pennsylvania
$35.3M -$540K -5,536 -2%
AllianceBernstein
62
AllianceBernstein
Tennessee
$35.2M +$3.39M +34,749 +13%
1832 Asset Management
63
1832 Asset Management
Ontario, Canada
$33.8M +$28.7M +294,473 New
Principal Financial Group
64
Principal Financial Group
Iowa
$33.5M -$1.36M -13,999 -5%
GAM
65
Gotham Asset Management
New York
$33.4M +$9.11M +93,461 +47%
Jane Street
66
Jane Street
New York
$31.8M +$18.2M +187,191 +208%
MSE
67
MUFG Securities EMEA
United Kingdom
$31.8M +$27M +277,000 New
Swiss National Bank
68
Swiss National Bank
Switzerland
$31.2M -$166K -1,700 -0.6%
Lord, Abbett & Co
69
Lord, Abbett & Co
New Jersey
$30.6M +$26M +267,049 New
N
70
Natixis
France
$30.3M +$25.7M +264,067 New
CC
71
Cartenna Capital
Connecticut
$29.8M +$25.3M +260,000 New
California Public Employees Retirement System
72
California Public Employees Retirement System
California
$29.2M -$291K -2,986 -1%
Canada Pension Plan Investment Board
73
Canada Pension Plan Investment Board
Ontario, Canada
$28.2M +$867K +8,900 +4%
Allianz Asset Management
74
Allianz Asset Management
Germany
$27.8M +$13M +133,047 +122%
Bank of Nova Scotia
75
Bank of Nova Scotia
Ontario, Canada
$27.8M -$2.23M -22,853 -9%