ATS Corporation Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| MASON CAPITAL MANAGEMENT LLC | 11/14/2025 | 15.56 M | $407.77 M | 0.00% | 15.93% |
| ROYAL BANK OF CANADA | 11/14/2025 | 7.20 M | $188.69 M | 1.80% | 7.37% |
| TURTLE CREEK ASSET MANAGEMENT INC. | 11/14/2025 | 6.97 M | $182.69 M | -8.14% | 7.14% |
| EDGEPOINT INVESTMENT GROUP INC. | 11/14/2025 | 6.38 M | $166.91 M | -0.82% | 6.53% |
| BEUTEL, GOODMAN & CO LTD. | 11/14/2025 | 6.33 M | $165.66 M | -7.37% | 6.48% |
| VANGUARD GROUP INC | 11/07/2025 | 3.34 M | $87.42 M | 2.12% | 3.42% |
| FAIRFAX FINANCIAL HOLDINGS LTD/ CAN | 11/14/2025 | 2.49 M | $64.13 M | 0.00% | 2.55% |
| CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 11/13/2025 | 2.05 M | $53.71 M | -13.32% | 2.10% |
| ACK ASSET MANAGEMENT LLC | 11/14/2025 | 1.85 M | $48.37 M | 0.00% | 1.89% |
| BURGUNDY ASSET MANAGEMENT LTD. | 11/12/2025 | 1.81 M | $50.01 M | -0.25% | 1.85% |
| HILL CITY CAPITAL, LP | 11/13/2025 | 1.65 M | $43.23 M | 34.70% | 1.69% |
| TD WATERHOUSE CANADA INC. | 11/03/2025 | 1.43 M | $37.35 M | -1.52% | 1.46% |
| FMR LLC | 11/13/2025 | 1.38 M | $35.99 M | -2.09% | 1.41% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 1.25 M | $32.79 M | 45.24% | 1.28% |
| SCHEER, ROWLETT & ASSOCIATES INVESTMENT MANAGEMENT LTD. | 11/13/2025 | 1.22 M | $31.84 M | 53.63% | 1.25% |
| INVESCO LTD. | 11/13/2025 | 1.20 M | $31.35 M | 0.72% | 1.23% |
| TD ASSET MANAGEMENT INC | 11/10/2025 | 1.18 M | $30.92 M | -7.59% | 1.21% |
| MARATHON ASSET MANAGEMENT LTD | 10/17/2025 | 1.17 M | $30.51 M | -5.58% | 1.19% |
| BANK OF MONTREAL /CAN/ | 11/13/2025 | 1.14 M | $29.89 M | 4.03% | 1.17% |
| MACKENZIE FINANCIAL CORP | 11/13/2025 | 1.14 M | $29.78 M | -19.30% | 1.17% |
| CLEARBRIDGE INVESTMENTS, LLC | 11/13/2025 | 1.13 M | $29.62 M | -38.80% | 1.16% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 11/14/2025 | 1.11 M | $29.03 M | -0.34% | 1.14% |
| JANUS HENDERSON GROUP PLC | 11/14/2025 | 898.34 K | $23.51 M | -2.58% | 0.92% |
| PRINCIPAL FINANCIAL GROUP INC | 11/04/2025 | 874.14 K | $22.87 M | 11.58% | 0.90% |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 11/14/2025 | 815.68 K | $29.70 M | 261.59% | 0.84% |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 11/13/2025 | 753.49 K | $19.71 M | -10.46% | 0.77% |
| 1832 ASSET MANAGEMENT L.P. | 11/14/2025 | 738.73 K | $19.35 M | -10.41% | 0.76% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 10/29/2025 | 569.67 K | $14.93 M | -9.74% | 0.58% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 507.89 K | $13.31 M | -8.75% | 0.52% |
| LEGAL & GENERAL GROUP PLC | 11/13/2025 | 494.61 K | $12.95 M | 12.81% | 0.51% |
| AGF MANAGEMENT LTD | 11/04/2025 | 489.96 K | $12.82 M | 0.00% | 0.50% |
| GALIBIER CAPITAL MANAGEMENT LTD. | 10/21/2025 | 447.45 K | $11.71 M | -8.00% | 0.46% |
| ALBERTA INVESTMENT MANAGEMENT CORP | 11/07/2025 | 422.17 K | $11.06 M | 100.00% | 0.43% |
| NATIONAL BANK OF CANADA /FI/ | 11/14/2025 | 420.03 K | $10.82 M | -4.33% | 0.43% |
| FORESIGHT GROUP LTD LIABILITY PARTNERSHIP | 11/06/2025 | 388.89 K | $10.19 M | 1.85% | 0.40% |
| CIBC WORLD MARKET INC. | 11/06/2025 | 369.51 K | $9.67 M | -0.06% | 0.38% |
| JARISLOWSKY, FRASER LTD | 10/21/2025 | 334.90 K | $8.76 M | -11.68% | 0.34% |
| FRONT STREET CAPITAL MANAGEMENT, INC. | 11/14/2025 | 289.77 K | $7.59 M | -1.43% | 0.30% |
| MONTRUSCO BOLTON INVESTMENTS INC. | 11/12/2025 | 283.78 K | $7.43 M | -10.98% | 0.29% |
| VAN BERKOM & ASSOCIATES INC. | 11/04/2025 | 269.99 K | $7.06 M | 0.27% | 0.28% |
| UBS GROUP AG | 11/13/2025 | 231.60 K | $6.07 M | -9.96% | 0.24% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 230.51 K | $6.03 M | 15.12% | 0.24% |
| ROUBAIX CAPITAL, LLC | 11/12/2025 | 223.53 K | $5.86 M | 100.00% | 0.23% |
| DIXON MITCHELL INVESTMENT COUNSEL INC. | 11/13/2025 | 218.53 K | $5.72 M | -45.66% | 0.22% |
| D. E. SHAW & CO., INC. | 11/14/2025 | 217.90 K | $5.70 M | 272.02% | 0.22% |
| LOUISBOURG INVESTMENTS INC. | 10/09/2025 | 215.30 K | $5.63 M | 112.07% | 0.22% |
| SCOTIA CAPITAL INC. | 11/14/2025 | 209.02 K | $5.38 M | 2.57% | 0.21% |
| GRANITE INVESTMENT PARTNERS, LLC | 11/10/2025 | 205.85 K | $5.39 M | 34.51% | 0.21% |
| FEDERATION DES CAISSES DESJARDINS DU QUEBEC | 11/14/2025 | 195.23 K | $5.04 M | -26.87% | 0.20% |
| COLONY GROUP, LLC | 11/14/2025 | 181.99 K | $4.77 M | 100.00% | 0.19% |
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ATS Corporation institutional Ownership - FAQ's
During the previous two years, 152 institutional investors and hedge funds held shares of ATS Corporation. The most heavily invested institutionals were:
MASON CAPITAL MANAGEMENT LLC: 15.56 M
ROYAL BANK OF CANADA: 7.2 M
Turtle Creek Asset Management Inc.: 6.97 M
EdgePoint Investment Group Inc.: 6.38 M
Beutel, Goodman & Co Ltd.: 6.33 M
VANGUARD GROUP INC: 3.34 M
84.58% of ATS Corporation stock is owned by institutional investors.
Institutional investors have bought a total of 83.93 M shares in the last 24 months. This purchase volume represents approximately $2.20 B in transactions.