Waratah Capital Advisors’s ATS Corp ATS Stock Holding History

Waratah Capital Advisors’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
2025 Q2	–	Sell	-50,000	Closed	-$1.25M	–	160
2025 Q1	$1.25M	Buy	+50,000	New	+$1.4M	0.03%	145
2024 Q4	–	Sell	-200,000	Closed	-$7.85M	–	152
2024 Q3	$7.85M	Buy	+200,000	New	+$5.78M	0.15%	75
2023 Q4	–	Sell	-40,000	Closed	-$1.71M	–	159
2023 Q3	$1.71M	Buy	+40,000	New	+$1.77M	0.02%	126

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

Waratah Capital Advisors's ATS Position: Q1 2026 in Review

Waratah Capital Advisors opened a new position in ATS Corp (ATS) in Q1 2026: 223,983 shares worth $6.32M. The stake represents 0.24% of the portfolio and ranks #67 among its holdings. This is a return to the name: Waratah Capital Advisors previously reported a position in ATS as recently as Q2 2025.

Waratah Capital Advisors first reported a position in ATS in Q2 2023 and has held it in 7 quarters since. The position peaked at $53.1M in Q2 2023. 130 funds tracked by Wall St. Rank hold ATS as of Q1 2026.

Waratah Capital Advisors held 223,983 shares of ATS Corp worth $6.32M as of Q1 2026.
ATS Corp was a new Waratah Capital Advisors position in Q1 2026.
ATS Corp made up 0.24% of Waratah Capital Advisors's portfolio in Q1 2026, its #67 holding.
Waratah Capital Advisors first reported a position in ATS Corp in Q2 2023 and has held it in 7 quarters since.
Waratah Capital Advisors's ATS Corp position peaked at $53.1M in Q2 2023.
130 funds tracked by Wall St. Rank held ATS Corp as of Q1 2026.

Based on Waratah Capital Advisors's 13F filing for Q1 2026, filed 11 May 2026.