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ATS Corp

130 hedge funds and large institutions have $2.39B invested in ATS Corp in 2026 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 44 increasing their positions, 38 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

more ownership

Funds ownership:

4% more capital invested

Capital invested by funds: $2.29B → $2.39B (+$92.6M)

0% more funds holding in top 10

Funds holding in top 10: 44 (0)

4% less call options, than puts

Call options by funds: $612K | Put options by funds: $635K

Holders
130
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
$612K
Puts
$635K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MCM
1
Mason Capital Management
New York
$463M
Royal Bank of Canada
2
Royal Bank of Canada
Ontario, Canada
$219M
EIG
3
EdgePoint Investment Group
Ontario, Canada
$202M
BGC
4
Beutel, Goodman & Co
Ontario, Canada
$153M
TCAM
5
Turtle Creek Asset Management
Ontario, Canada
$138M
Bank of Montreal
6
Bank of Montreal
Ontario, Canada
$87.8M
FFH
7
Fairfax Financial Holdings
Ontario, Canada
$69.4M
VCM
8
Vanguard Capital Management
Pennsylvania
$66.7M
Janus Henderson Group
9
Janus Henderson Group
United Kingdom
$64.5M
Fidelity Investments
10
Fidelity Investments
Massachusetts
$64.2M
Connor, Clark & Lunn Investment Management (CC&L)
11
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$63.8M
AAM
12
ACK Asset Management
Connecticut
$52.1M
Fidelity International
13
Fidelity International
Bermuda
$50.1M
TWC
14
TD Waterhouse Canada
Ontario, Canada
$46.9M
HCC
15
Hill City Capital
Massachusetts
$46.5M
TD Asset Management
16
TD Asset Management
Ontario, Canada
$40M
VIM
17
Vinva Investment Management
Australia
$36.5M
VLKIM
18
Van Lanschot Kempen Investment Management
Netherlands
$33.9M
SRAIM
19
Scheer Rowlett & Associates Investment Management
Ontario, Canada
$33.3M
ClearBridge Investments
20
ClearBridge Investments
New York
$30.8M
MAMU
21
Marathon Asset Management (UK)
United Kingdom
$30.7M
Bank of America
22
Bank of America
North Carolina
$26.7M
AIMCA
23
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$26.5M
Mirae Asset Global ETFs Holdings
24
Mirae Asset Global ETFs Holdings
Hong Kong
$21.3M
Massachusetts Financial Services
25
Massachusetts Financial Services
Massachusetts
$20.9M