Bank of Montreal
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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 $613M AUM 21.43% 1-Year Est. Return
Royal Bank of Canada
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
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
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

Bank of Montreal's ATS Position: Q1 2026 in Review

Bank of Montreal increased its ATS Corp (ATS) stake by 3.1% in Q1 2026, buying an estimated $2.79M and bringing the position to 3,115,360 shares worth $87.8M. The position accounts for 0.03% of the portfolio, ranked #386.

Bank of Montreal first reported a position in ATS in Q2 2023 and has held it in 12 quarters since. 130 funds tracked by Wall St. Rank hold ATS as of Q1 2026.

  • Bank of Montreal held 3,115,360 shares of ATS Corp worth $87.8M as of Q1 2026.
  • Bank of Montreal bought 92,667 ATS Corp shares in Q1 2026, an estimated $2.79M.
  • ATS Corp made up 0.03% of Bank of Montreal's portfolio in Q1 2026, its #386 holding.
  • Bank of Montreal first reported a position in ATS Corp in Q2 2023 and has held it in 12 quarters since.
  • 130 funds tracked by Wall St. Rank held ATS Corp as of Q1 2026.

Based on Bank of Montreal's 13F filing for Q1 2026, filed 13 May 2026.