ATS

ATS · TORONTO

$18.94−$0.16 (−0.84%)TodayMarket closed ·
Prev close $19.10

Who owns ATS

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 51.6% of ATS’s shares.

  • Mason Capital Management LLC16.9%
  • EdgePoint Investment Group Inc.7.2%
  • RBC Global Asset Management Inc.6.9%
  • Beutel, Goodman & Company Ltd.4.9%
  • Next 6 largest institutions15.6%
  • All other shareholders48.4%
Top institutional holders of ATS
HolderShares% of shares
Mason Capital Management LLC16.40M16.91%
EdgePoint Investment Group Inc.7.00M7.22%
RBC Global Asset Management Inc.6.70M6.90%
Beutel, Goodman & Company Ltd.4.80M4.94%
Turtle Creek Asset Management Inc.3.08M3.18%
Fidelity Management & Research Company LLC2.88M2.97%
Hamblin Watsa Investment Counsel Ltd.2.49M2.56%
Vanguard Capital Management, LLC2.40M2.47%
Janus Henderson Investors2.32M2.39%
Burgundy Asset Management Ltd.1.98M2.04%

Largest mutual fund holders

Top mutual fund holders of ATS
HolderShares% of shares
EdgePoint Canadian Portfolio3.97M4.09%
EdgePoint Canadian Growth & Income Portfolio1.80M1.85%
Beutel Goodman Canadian Equity Fund1.61M1.66%
Fidelity Value Fund1.52M1.56%
RBC North American Value Fund1.39M1.43%

Short interest

Settled Sep 30, 2026

Shares short
2.30M
Days to cover
10.34
% of shares outstanding
2.37%
Average daily volume
222.62K
Change since last report
+7.0%

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