Scheer Rowlett & Associates Investment Management’s ATS Corp ATS Stock Holding History

Scheer Rowlett & Associates Investment Management’s Portfolio ATS Stock Details ATS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$33.3M	Sell	1,181,937 -44,513	-4%	-$1.34M	2.4%	18
2025 Q4	$33.8M	Buy	1,226,450 +9,266	+0.8%	+$247K	2.32%	15
2025 Q3	$31.8M	Buy	1,217,184 +424,879	+54%	+$12.2M	1.9%	22
2025 Q2	$25.3M	Buy	792,305 +159,814	+25%	+$4.38M	1.64%	25
2025 Q1	$15.8M	Buy	632,491 +483,507	+325%	+$13.5M	1.17%	26
2024 Q4	$4.54M	Buy	+148,984	New	+$4.52M	0.33%	32

Other funds holding ATS

MCM

Mason Capital Management New York $613M AUM 21.43% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

BGC

Beutel, Goodman & Co Toronto, Ontario, Canada $14.8B AUM 15.12% 1-Year Est. Return

TCAM

Turtle Creek Asset Management Toronto, Ontario, Canada $2.67B AUM 0.64% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $269B AUM 31.4% 1-Year Est. Return

FFH

Fairfax Financial Holdings Toronto, Ontario, Canada $1.94B AUM 27.76% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Scheer Rowlett & Associates Investment Management's ATS Position: Q1 2026 in Review

Scheer Rowlett & Associates Investment Management reduced its ATS Corp (ATS) stake by 3.6% in Q1 2026, selling an estimated $1.34M and leaving 1,181,937 shares worth $33.3M. The position accounts for 2.4% of the portfolio, ranked #18.

Scheer Rowlett & Associates Investment Management first reported a position in ATS in Q4 2024 and has held it in 6 quarters since. The position peaked at $33.8M in Q4 2025. 130 funds tracked by Wall St. Rank hold ATS as of Q1 2026.

Scheer Rowlett & Associates Investment Management held 1,181,937 shares of ATS Corp worth $33.3M as of Q1 2026.
Scheer Rowlett & Associates Investment Management sold 44,513 ATS Corp shares in Q1 2026, an estimated $1.34M.
ATS Corp made up 2.4% of Scheer Rowlett & Associates Investment Management's portfolio in Q1 2026, its #18 holding.
Scheer Rowlett & Associates Investment Management first reported a position in ATS Corp in Q4 2024 and has held it in 6 quarters since.
Scheer Rowlett & Associates Investment Management's ATS Corp position peaked at $33.8M in Q4 2025.
130 funds tracked by Wall St. Rank held ATS Corp as of Q1 2026.

Based on Scheer Rowlett & Associates Investment Management's 13F filing for Q1 2026, filed 11 May 2026.