Alberta Investment Management Corp (AIMCo)’s ATS Corp ATS Stock Holding History

Alberta Investment Management Corp (AIMCo)’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	$26.5M	Sell	940,191 -400,074	-30%	-$12M	0.16%	96
2025 Q4	$36.9M	Hold	1,340,265	–	–	0.22%	88
2025 Q3	$35.1M	Buy	1,340,265 +572,665	+75%	+$16.5M	0.25%	73
2025 Q2	$24.5M	Sell	767,600 -198,527	-21%	-$5.44M	0.19%	83
2025 Q1	$24.1M	Sell	966,127 -120,573	-11%	-$3.37M	0.16%	103
2024 Q4	$33.1M	Buy	1,086,700 +148,700	+16%	+$4.51M	0.22%	80
2024 Q3	$27.2M	Buy	938,000 +265,900	+40%	+$7.69M	0.24%	85
2024 Q2	$21.7M	Buy	672,100 +25,700	+4%	+$829K	0.23%	89
2024 Q1	$21.8M	Hold	646,400	–	–	0.22%	92
2023 Q4	$28M	Hold	646,400	–	–	0.26%	67
2023 Q3	$27.7M	Buy	646,400 +17,400	+3%	+$769K	0.3%	78
2023 Q2	$29M	Buy	+629,000	New	+$28.3M	0.28%	84

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

Alberta Investment Management Corp (AIMCo)'s ATS Position: Q1 2026 in Review

Alberta Investment Management Corp (AIMCo) reduced its ATS Corp (ATS) stake by 30% in Q1 2026, selling an estimated $12M and leaving 940,191 shares worth $26.5M. The position accounts for 0.16% of the portfolio, ranked #96.

Alberta Investment Management Corp (AIMCo) first reported a position in ATS in Q2 2023 and has held it in 12 quarters since. The position peaked at $36.9M in Q4 2025. 130 funds tracked by Wall St. Rank hold ATS as of Q1 2026.

Alberta Investment Management Corp (AIMCo) held 940,191 shares of ATS Corp worth $26.5M as of Q1 2026.
Alberta Investment Management Corp (AIMCo) sold 400,074 ATS Corp shares in Q1 2026, an estimated $12M.
ATS Corp made up 0.16% of Alberta Investment Management Corp (AIMCo)'s portfolio in Q1 2026, its #96 holding.
Alberta Investment Management Corp (AIMCo) first reported a position in ATS Corp in Q2 2023 and has held it in 12 quarters since.
Alberta Investment Management Corp (AIMCo)'s ATS Corp position peaked at $36.9M in Q4 2025.
130 funds tracked by Wall St. Rank held ATS Corp as of Q1 2026.

Based on Alberta Investment Management Corp (AIMCo)'s 13F filing for Q1 2026, filed 29 Apr 2026.