ATS CORPORATION

Ticker: ATS CUSIP: 00217Y104 Class: Foreign Stock

MASON CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001218735)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 15,563,568 Value ($000) $428,621 Avg Close $26.71 Range $23.85 - $30.00
Q3 2025
Shares 15,563,568 Value ($000) $407,765 Avg Close $28.81 Range $25.63 - $32.73
Q2 2025
Shares 15,563,568 Value ($000) $496,167 Avg Close $27.39 Range $20.90 - $32.14
Q1 2025
Shares 15,563,568 Value ($000) $388,000 Avg Close $27.91 Range $24.91 - $30.95
Q4 2024
Shares 14,914,765 Value ($000) $454,602 Avg Close $30.36 Range $27.33 - $33.13
Q3 2024
Shares 14,914,765 Value ($000) $433,274 Avg Close $28.91 Range $24.82 - $34.32
Q2 2024
Shares 14,349,765 Value ($000) $463,641 Avg Close $32.27 Range $29.78 - $35.42
Q1 2024
Shares 14,349,765 Value ($000) $654,062 Avg Close $39.69 Range $33.34 - $44.70
Q4 2023
Shares 17,849,765 Value ($000) $768,789 Avg Close $38.80 Range $33.02 - $44.58
Q3 2023
Shares 17,849,765 Value ($000) $760,757 Avg Close $44.17 Range $39.81 - $48.89
Q2 2023
Shares 17,849,765 Value ($000) $822,696 Avg Close $43.03 Range $38.90 - $48.44