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ATS Corp

120 hedge funds and large institutions have $2.29B invested in ATS Corp in 2025 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 41 increasing their positions, 41 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

0% more repeat investments, than reductions

Existing positions increased: 41 | Existing positions reduced: 41

0.83% less ownership

Funds ownership: 85.42%84.59% (-0.83%)

62% less call options, than puts

Call options by funds: $724K | Put options by funds: $1.89M

Holders
120
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$724K
Puts
$1.89M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MCM
1
Mason Capital Management
New York
$429M
Royal Bank of Canada
2
Royal Bank of Canada
Ontario, Canada
$211M
EIG
3
EdgePoint Investment Group
Ontario, Canada
$190M
BGC
4
Beutel, Goodman & Co
Ontario, Canada
$161M
TCAM
5
Turtle Creek Asset Management
Ontario, Canada
$155M
Vanguard Group
6
Vanguard Group
Pennsylvania
$93.6M
Bank of Montreal
7
Bank of Montreal
Ontario, Canada
$83.3M
Connor, Clark & Lunn Investment Management (CC&L)
8
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$68.5M
FFH
9
Fairfax Financial Holdings
Ontario, Canada
$68.3M
Fidelity Investments
10
Fidelity Investments
Massachusetts
$58.3M
AAM
11
ACK Asset Management
Connecticut
$50.8M
HCC
12
Hill City Capital
Massachusetts
$45.4M
AIMCA
13
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$36.9M
Invesco
14
Invesco
Georgia
$35M
SRAIM
15
Scheer Rowlett & Associates Investment Management
Ontario, Canada
$33.8M
TD Asset Management
16
TD Asset Management
Ontario, Canada
$32.9M
Mirae Asset Global ETFs Holdings
17
Mirae Asset Global ETFs Holdings
Hong Kong
$31.5M
VLKIM
18
Van Lanschot Kempen Investment Management
Netherlands
$30.8M
ClearBridge Investments
19
ClearBridge Investments
New York
$30.6M
Bank of America
20
Bank of America
North Carolina
$30.3M
MAMU
21
Marathon Asset Management (UK)
United Kingdom
$30.3M
Norges Bank
22
Norges Bank
Norway
$29.7M
TWC
23
TD Waterhouse Canada
Ontario, Canada
$26.5M
Principal Financial Group
24
Principal Financial Group
Iowa
$24.2M
Janus Henderson Group
25
Janus Henderson Group
United Kingdom
$23.8M