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ATS Corp

115 hedge funds and large institutions have $2.17B invested in ATS Corp in 2025 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 41 increasing their positions, 45 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

33% less funds holding in top 10

Funds holding in top 10: 64 (-2)

45% less first-time investments, than exits

New positions opened: 16 | Existing positions closed: 29

81% less call options, than puts

Call options by funds: $1.36M | Put options by funds: $7.28M

Holders
115
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
$1.36M
Puts
$7.28M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MCM
1
Mason Capital Management
New York
$408M
Royal Bank of Canada
2
Royal Bank of Canada
Ontario, Canada
$189M
TCAM
3
Turtle Creek Asset Management
Ontario, Canada
$183M
EIG
4
EdgePoint Investment Group
Ontario, Canada
$167M
BGC
5
Beutel, Goodman & Co
Ontario, Canada
$166M
Vanguard Group
6
Vanguard Group
Pennsylvania
$87.4M
FFH
7
Fairfax Financial Holdings
Ontario, Canada
$64.1M
Connor, Clark & Lunn Investment Management (CC&L)
8
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$53.7M
BAM
9
Burgundy Asset Management
Ontario, Canada
$50M
AAM
10
ACK Asset Management
Connecticut
$48.4M
HCC
11
Hill City Capital
Massachusetts
$43.2M
TWC
12
TD Waterhouse Canada
Ontario, Canada
$37.4M
Fidelity Investments
13
Fidelity Investments
Massachusetts
$36M
Bank of America
14
Bank of America
North Carolina
$32.8M
SRAIM
15
Scheer Rowlett & Associates Investment Management
Ontario, Canada
$31.8M
Invesco
16
Invesco
Georgia
$31.4M
TD Asset Management
17
TD Asset Management
Ontario, Canada
$30.9M
MAMU
18
Marathon Asset Management (UK)
United Kingdom
$30.5M
Bank of Montreal
19
Bank of Montreal
Ontario, Canada
$29.9M
Mackenzie Financial
20
Mackenzie Financial
Ontario, Canada
$29.8M
VLKIM
21
Van Lanschot Kempen Investment Management
Netherlands
$29.7M
ClearBridge Investments
22
ClearBridge Investments
New York
$29.6M
Mirae Asset Global ETFs Holdings
23
Mirae Asset Global ETFs Holdings
Hong Kong
$29M
Janus Henderson Group
24
Janus Henderson Group
United Kingdom
$23.5M
Principal Financial Group
25
Principal Financial Group
Iowa
$22.9M