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Prem Watsa’s ATS Corp ATS Stock Holding History

Prem Watsa’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
Q2 		$70.5M Hold
2,486,400
– – 2.67% 9
2026
Q1 		$69.4M Hold
2,486,400
– – 3.57% 9
2025
Q4 		$68.3M Hold
2,486,400
– – 3.28% 9
2025
Q3 		$64.1M Hold
2,486,400
– – 3.11% 8
2025
Q2 		$79.1M Hold
2,486,400
– – 4.23% 8
2025
Q1 		$60.8M Hold
2,486,400
– – 3.29% 9
2024
Q4 		$73.9M Buy
2,486,400
+2,429,700
+4,285% +$73.8M 4.75% 7
2024
Q3 		$1.63M Buy
+56,700
New +$1.64M 0.15% 26
2024
Q1 		– Sell
-40,000
Closed -$1.73M – 43
2023
Q4 		$1.73M Hold
40,000
– – 0.12% 35
2023
Q3 		$1.71M Hold
40,000
– – 0.09% 35
2023
Q2 		$1.84M Buy
+40,000
New +$1.8M 0.1% 34

Other funds holding ATS

MCM
Mason Capital Management New York $607M AUM 1.77% 1-Year Est. Return
Royal Bank of Canada
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
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
JT
Jupiter Topco New York $245B AUM
HCC
Hill City Capital Boston, Massachusetts $4.28B AUM 80.76% 1-Year Est. Return

Prem Watsa's ATS Position: Q2 2026 in Review

Prem Watsa held its ATS Corp (ATS) position steady in Q2 2026 at 2,486,400 shares worth $70.5M. The position accounts for 2.67% of the portfolio, ranked #9.

Prem Watsa first reported a position in ATS in Q2 2023 and has held it in 11 quarters since. The position peaked at $79.1M in Q2 2025. 141 funds tracked by Wall St. Rank hold ATS as of Q2 2026.

  • Prem Watsa held 2,486,400 shares of ATS Corp worth $70.5M as of Q2 2026.
  • Prem Watsa left its ATS Corp share count unchanged in Q2 2026.
  • ATS Corp made up 2.67% of Prem Watsa's portfolio in Q2 2026, its #9 holding.
  • Prem Watsa first reported a position in ATS Corp in Q2 2023 and has held it in 11 quarters since.
  • Prem Watsa's ATS Corp position peaked at $79.1M in Q2 2025.
  • 141 funds tracked by Wall St. Rank held ATS Corp as of Q2 2026.

Based on Fairfax Financial Holdings's 13F filing for Q2 2026, filed 14 Aug 2026.