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Polar Asset Management Partners’s ATS Corp ATS Stock Holding History

Polar Asset Management Partners’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 		– Sell
-180,000
Closed -$4.96M – 699
2025
Q4 		$4.96M Buy
+180,000
New +$4.81M 0.06% 246
2024
Q2 		– Sell
-106,600
Closed -$3.59M – 712
2024
Q1 		$3.59M Buy
+106,600
New +$4.23M 0.06% 262

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
Bank of Montreal
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
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

Polar Asset Management Partners's ATS Position: Q1 2026 in Review

Polar Asset Management Partners sold out of ATS Corp (ATS) in Q1 2026, closing a stake of 180,000 shares — an estimated $4.96M sold.

Polar Asset Management Partners first reported a position in ATS in Q1 2024 and held it in 2 quarters. The position peaked at $4.96M in Q4 2025. 130 funds tracked by Wall St. Rank hold ATS as of Q1 2026.

  • Polar Asset Management Partners reported no remaining ATS Corp position as of Q1 2026 after selling out during the quarter.
  • Polar Asset Management Partners sold 180,000 ATS Corp shares in Q1 2026, an estimated $4.96M.
  • Polar Asset Management Partners first reported a position in ATS Corp in Q1 2024 and held it in 2 quarters.
  • Polar Asset Management Partners's ATS Corp position peaked at $4.96M in Q4 2025.
  • 130 funds tracked by Wall St. Rank held ATS Corp as of Q1 2026.

Based on Polar Asset Management Partners's 13F filing for Q1 2026, filed 15 May 2026.