Turtle Creek Asset Management Inc. Reports 4.99% Stake in ATS Corp (ATS)

Turtle Creek Asset Management Inc., a Toronto-based investment advisor, filed a Schedule 13G/A on May 15, 2026, regarding its holdings in ATS Corp (ATS). The filing indicates that as of March 31, 2026, Turtle Creek beneficially owns 4,896,669 common shares of the company. This represents a 4.99% ownership stake in ATS Corp. The filing is an amendment (Amendment No. 3) to their previous disclosures. According to the report, Turtle Creek holds sole voting and dispositive power over all 4,896,669 shares. The shares are held for the benefit of unit holders of mutual funds managed by Turtle Creek. The firm certified that these securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. Because the ownership level has fallen to 4.99%, Turtle Creek is now reporting a position that is slightly below the 5% threshold typically requiring active Schedule 13D or 13G reporting, though this filing serves to update their current standing.