Bank of Montreal’s ATS Corp ATS Stock Holding History

Bank of Montreal’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 Q4	–	Sell	-90,000	Closed	-$2.35M	–	3606
2025 Q3	$2.35M	Sell	90,000 -169,900	-65%	-$4.89M	﹤0.01%	1580
2025 Q2	$8.29M	Buy	+259,900	New	+$7.12M	﹤0.01%	1056

Other funds holding ATS

MCM

Mason Capital Management New York $607M AUM 1.77% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

BGC

Beutel, Goodman & Co Toronto, Ontario, Canada $13.6B AUM 17.82% 1-Year Est. Return

TCAM

Turtle Creek Asset Management Toronto, Ontario, Canada $2.56B AUM 1.05% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

FFH

Fairfax Financial Holdings Toronto, Ontario, Canada $2.64B AUM 24.46% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Jupiter Topco New York $245B AUM

HCC

Hill City Capital Boston, Massachusetts $4.28B AUM 80.76% 1-Year Est. Return

Bank of Montreal's ATS Position: Q2 2026 in Review

Bank of Montreal reduced its ATS Corp (ATS) stake by 1.7% in Q2 2026, selling an estimated $1.61M and leaving 3,062,973 shares worth $88.2M. The position accounts for 0.03% of the portfolio, ranked #424.

Bank of Montreal first reported a position in ATS in Q2 2023 and has held it in 13 quarters since. 142 funds tracked by Wall St. Rank hold ATS as of Q2 2026.

Bank of Montreal held 3,062,973 shares of ATS Corp worth $88.2M as of Q2 2026.
Bank of Montreal sold 52,387 ATS Corp shares in Q2 2026, an estimated $1.61M.
ATS Corp made up 0.03% of Bank of Montreal's portfolio in Q2 2026, its #424 holding.
Bank of Montreal first reported a position in ATS Corp in Q2 2023 and has held it in 13 quarters since.
142 funds tracked by Wall St. Rank held ATS Corp as of Q2 2026.

Based on Bank of Montreal's 13F filing for Q2 2026, filed 12 Aug 2026.