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ATS Corp

123 hedge funds and large institutions have $2.18B invested in ATS Corp in 2025 Q1 according to their latest regulatory filings, with 9 funds opening new positions, 61 increasing their positions, 44 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

162% more call options, than puts

Call options by funds: $8.93M | Put options by funds: $3.4M

39% more repeat investments, than reductions

Existing positions increased: 61 | Existing positions reduced: 44

1.56% more ownership

Funds ownership: 87.66%89.22% (+1.6%)

5% less funds holding

Funds holding: 130123 (-7)

17% less funds holding in top 10

Funds holding in top 10: 65 (-1)

17% less capital invested

Capital invested by funds: $2.62B → $2.18B (-$442M)

44% less first-time investments, than exits

New positions opened: 9 | Existing positions closed: 16

Holders
123
Holders Change
-7
Holders Change %
-5.38%
% of All Funds
1.65%
Holding in Top 10
5
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-16.67%
% of All Funds
0.07%
New
9
Increased
61
Reduced
44
Closed
16
Calls
$8.93M
Puts
$3.4M
Net Calls
+$5.53M
Net Calls Change
+$8.48M
Name Holding Trade Value Shares
Change
Change in
Stake
MCM
1
Mason Capital Management
New York
$388M +$18.1M +648,803 +4%
TCAM
2
Turtle Creek Asset Management
Ontario, Canada
$207M -$1.03M -37,045 -0.4%
BGC
3
Beutel, Goodman & Co
Ontario, Canada
$176M +$15M +536,642 +8%
Royal Bank of Canada
4
Royal Bank of Canada
Ontario, Canada
$162M +$32.7M +1,172,204 +22%
EIG
5
EdgePoint Investment Group
Ontario, Canada
$125M +$41.2M +1,477,357 +42%
Vanguard Group
6
Vanguard Group
Pennsylvania
$80.3M -$243K -8,693 -0.3%
FFH
7
Fairfax Financial Holdings
Ontario, Canada
$60.8M
AAM
8
ACK Asset Management
Connecticut
$50.2M -$2.23M -80,000 -4%
Connor, Clark & Lunn Investment Management (CC&L)
9
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$49.3M +$8.51M +304,890 +18%
BAM
10
Burgundy Asset Management
Ontario, Canada
$44.1M +$8.88M +318,254 +22%
TWC
11
TD Waterhouse Canada
Ontario, Canada
$41.5M +$1.06M +37,872 +2%
ClearBridge Investments
12
ClearBridge Investments
New York
$39.9M -$730K -26,147 -2%
Fidelity Investments
13
Fidelity Investments
Massachusetts
$37.1M -$17M -609,826 -29%
Invesco
14
Invesco
Georgia
$35M -$5.83M -209,055 -13%
HCC
15
Hill City Capital
Massachusetts
$32.4M +$36.3M +1,299,857 New
Mackenzie Financial
16
Mackenzie Financial
Ontario, Canada
$29.9M +$1.91M +68,342 +6%
Capital World Investors
17
Capital World Investors
California
$29.8M -$62.9M -2,253,762 -65%
TD Asset Management
18
TD Asset Management
Ontario, Canada
$28.8M +$7.84M +280,831 +32%
Mirae Asset Global ETFs Holdings
19
Mirae Asset Global ETFs Holdings
Hong Kong
$27.7M -$1.71M -61,352 -5%
Bank of America
20
Bank of America
North Carolina
$26.3M +$6.92M +247,912 +31%
Bank of Montreal
21
Bank of Montreal
Ontario, Canada
$26.1M +$2.32M +83,156 +9%
Norges Bank
22
Norges Bank
Norway
$25.6M
AIMCA
23
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$24.1M -$3.37M -120,573 -11%
Janus Henderson Group
24
Janus Henderson Group
United Kingdom
$24M -$15.1K -540 -0.1%
1832 Asset Management
25
1832 Asset Management
Ontario, Canada
$21.1M +$5.08M +182,163 +27%

ATS Hedge Fund Activity: Q1 2025 in Review

123 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in ATS Corp (ATS) for Q1 2025, worth a combined $2.18B — down 17% from $2.62B a quarter earlier.

Sellers outnumbered buyers: 16 funds closed out of ATS and 9 opened new positions — a net loss of 7 holders — while 44 trimmed existing stakes and 61 added.

The largest buyer was EdgePoint Investment Group, adding an estimated $41.2M. The largest seller was Capital World Investors, cutting an estimated $62.9M.

  • 123 institutional investors held ATS Corp (ATS) as of Q1 2025, down from 130 in Q4 2024.
  • Funds reported $2.18B of ATS Corp stock for Q1 2025, down 17% quarter-over-quarter.
  • 9 funds opened new ATS Corp positions in Q1 2025 and 16 closed out, a net change of -7 holders.
  • The largest ATS Corp buyer in Q1 2025 was EdgePoint Investment Group, an estimated $41.2M added.
  • The largest ATS Corp seller in Q1 2025 was Capital World Investors, an estimated $62.9M sold.

Based on aggregated 13F filings for Q1 2025.