CUSIP 00217Y104
ATS CORPORATION
148 institutions · $2.16B total · 84,174,024 shares · ATS
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | MASON CAPITAL MANAGEMENT LLC | 15,563,568 | $428.6M | 18.48% | 2025-12-31 |
| 2 | EdgePoint Investment Group Inc. | 6,888,785 | $189.8M | 8.18% | 2025-12-31 |
| 3 | Royal Bank of Canada | 6,409,707 | $176.5M | 7.61% | 2025-12-31 |
| 4 | TURTLE CREEK ASSET MANAGEMENT INC. | 5,642,052 | $155.4M | 6.70% | 2025-12-31 |
| 5 | Connor, Clark & Lunn Investment Management Ltd. | 2,485,638 | $68.5M | 2.95% | 2025-12-31 |
| 6 | FAIRFAX FINANCIAL HOLDINGS LTD/ CAN | 2,486,400 | $68.3M | 2.95% | 2025-12-31 |
| 7 | VANGUARD GROUP INC | 2,339,481 | $64.4M | 2.77% | 2025-12-31 |
| 8 | FMR LLC | 2,087,535 | $57.5M | 2.48% | 2025-12-31 |
| 9 | BANK OF MONTREAL /CAN/ | 2,030,641 | $55.9M | 2.41% | 2025-12-31 |
| 10 | ACK Asset Management LLC | 1,846,196 | $50.8M | 2.19% | 2025-12-31 |
| 11 | Burgundy Asset Management Ltd. | 1,807,557 | $50.0M | 2.14% | 2025-09-30 |
| 12 | Hill City Capital, LP | 1,649,857 | $45.4M | 1.96% | 2025-12-31 |
| 13 | Capital World Investors | 1,196,000 | $38.1M | 1.42% | 2025-06-30 |
| 14 | Alberta Investment Management Corp | 1,340,265 | $36.9M | 1.59% | 2025-12-31 |
| 15 | Scheer, Rowlett & Associates Investment Management Ltd. | 1,226,450 | $33.8M | 1.45% | 2025-12-31 |
| 16 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1,141,835 | $31.5M | 1.35% | 2025-12-31 |
| 17 | VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 815,031 | $30.8M | 0.96% | 2025-12-31 |
| 18 | Clearbridge Investments, LLC | 1,111,485 | $30.6M | 1.32% | 2025-12-31 |
| 19 | Marathon Asset Management Ltd | 1,097,711 | $30.3M | 1.30% | 2025-12-31 |
| 20 | NORGES BANK | 1,079,090 | $29.7M | 1.28% | 2025-12-31 |
| 21 | TD Waterhouse Canada Inc. | 966,349 | $26.5M | 1.14% | 2025-12-31 |
| 22 | Invesco Ltd. | 931,200 | $25.6M | 1.10% | 2025-12-31 |
| 23 | PRINCIPAL FINANCIAL GROUP INC | 878,240 | $24.2M | 1.04% | 2025-12-31 |
| 24 | JANUS HENDERSON GROUP PLC | 840,932 | $23.2M | 0.99% | 2025-12-31 |
| 25 | 1832 Asset Management L.P. | 818,559 | $22.5M | 0.97% | 2025-12-31 |
| 26 | MACKENZIE FINANCIAL CORP | 758,980 | $21.1M | 0.90% | 2025-12-31 |
| 27 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 753,492 | $20.8M | 0.89% | 2025-12-31 |
| 28 | TD Asset Management Inc | 739,994 | $20.4M | 0.87% | 2025-12-31 |
| 29 | MOORE CAPITAL MANAGEMENT, LP | 611,120 | $19.5M | 0.72% | 2025-06-30 |
| 30 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 558,675 | $15.4M | 0.66% | 2025-12-31 |
| 31 | BANK OF AMERICA CORP /DE/ | 578,415 | $15.2M | 0.68% | 2025-12-31 |
| 32 | Legal & General Group Plc | 528,298 | $14.6M | 0.62% | 2025-12-31 |
| 33 | NICOLA WEALTH MANAGEMENT LTD. | 523,300 | $13.0M | 0.62% | 2025-06-30 |
| 34 | Galibier Capital Management Ltd. | 447,446 | $11.7M | 0.53% | 2025-09-30 |
| 35 | AGF MANAGEMENT LTD | 400,140 | $11.0M | 0.47% | 2025-12-31 |
| 36 | NATIONAL BANK OF CANADA /FI/ | 373,605 | $10.2M | 0.44% | 2025-12-31 |
| 37 | Foresight Group Ltd Liability Partnership | 388,892 | $10.2M | 0.46% | 2025-09-30 |
| 38 | CIBC WORLD MARKET INC. | 354,069 | $9.8M | 0.42% | 2025-12-31 |
| 39 | JARISLOWSKY, FRASER Ltd | 334,904 | $8.8M | 0.39% | 2025-09-30 |
| 40 | PUBLIC SECTOR PENSION INVESTMENT BOARD | 287,829 | $7.9M | 0.34% | 2025-12-31 |
| 41 | MONTRUSCO BOLTON INVESTMENTS INC. | 254,681 | $7.0M | 0.30% | 2025-12-31 |
| 42 | GOLDMAN SACHS GROUP INC | 253,511 | $7.0M | 0.30% | 2025-12-31 |
| 43 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 236,332 | $6.5M | 0.28% | 2025-12-31 |
| 44 | UBS Group AG | 219,874 | $6.1M | 0.26% | 2025-12-31 |
| 45 | Roubaix Capital, LLC | 223,532 | $5.9M | 0.26% | 2025-09-30 |
| 46 | Dixon Mitchell Investment Counsel Inc. | 211,025 | $5.8M | 0.25% | 2025-12-31 |
| 47 | LOUISBOURG INVESTMENTS INC. | 207,130 | $5.7M | 0.24% | 2025-12-31 |
| 48 | Granite Investment Partners, LLC | 203,876 | $5.6M | 0.24% | 2025-12-31 |
| 49 | SCOTIA CAPITAL INC. | 195,019 | $5.3M | 0.23% | 2025-12-31 |
| 50 | FIRST TRUST ADVISORS LP | 184,128 | $5.1M | 0.21% | 2025-12-31 |
| 51 | Focus Partners Wealth | 181,975 | $5.0M | 0.21% | 2025-12-31 |
| 52 | Polar Asset Management Partners Inc. | 180,000 | $5.0M | 0.21% | 2025-12-31 |
| 53 | Swiss National Bank | 164,400 | $4.5M | 0.19% | 2025-12-31 |
| 54 | ROYCE & ASSOCIATES LP | 164,500 | $4.5M | 0.19% | 2025-12-31 |
| 55 | Lombard Odier Asset Management (Europe) Ltd | 122,148 | $3.9M | 0.14% | 2025-06-30 |
| 56 | Waratah Capital Advisors Ltd. | 118,480 | $3.8M | 0.14% | 2025-06-30 |
| 57 | CIBC Asset Management Inc | 131,500 | $3.6M | 0.15% | 2025-12-31 |
| 58 | D. E. Shaw & Co., Inc. | 108,100 | $3.0M | 0.12% | 2025-12-31 |
| 59 | CITADEL ADVISORS LLC | 102,942 | $2.8M | 0.12% | 2025-12-31 |
| 60 | SEI INVESTMENTS CO | 98,742 | $2.7M | 0.11% | 2025-12-31 |
| 61 | Credential Qtrade Securities Inc. | 57,138 | $2.6M | 0.06% | 2025-06-30 |
| 62 | UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | 80,696 | $2.6M | 0.09% | 2025-06-30 |
| 63 | DIMENSIONAL FUND ADVISORS LP | 85,337 | $2.4M | 0.10% | 2025-12-31 |
| 64 | Canoe Financial LP | 80,600 | $2.2M | 0.09% | 2025-12-31 |
| 65 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 76,426 | $2.1M | 0.09% | 2025-12-31 |
| 66 | MILLENNIUM MANAGEMENT LLC | 75,879 | $2.1M | 0.09% | 2025-12-31 |
| 67 | AYAL Capital Advisors Ltd | 72,200 | $2.0M | 0.08% | 2025-12-31 |
| 68 | Federation des caisses Desjardins du Quebec | 72,238 | $2.0M | 0.08% | 2025-12-31 |
| 69 | Fiera Capital Corp | 71,007 | $2.0M | 0.08% | 2025-12-31 |
| 70 | Bastion Asset Management Inc. | 72,655 | $1.9M | 0.08% | 2025-09-30 |
| 71 | Zurcher Kantonalbank (Zurich Cantonalbank) | 64,639 | $1.8M | 0.07% | 2025-12-31 |
| 72 | Nuveen, LLC | 62,584 | $1.7M | 0.07% | 2025-12-31 |
| 73 | Caldwell Investment Management Ltd. | 60,800 | $1.7M | 0.07% | 2025-12-31 |
| 74 | LAZARD ASSET MANAGEMENT LLC | 58,426 | $1.6M | 0.06% | 2025-12-31 |
| 75 | Aviso Financial Inc. | 51,725 | $1.4M | 0.06% | 2025-12-31 |
| 76 | TORONTO DOMINION BANK | 51,462 | $1.4M | 0.06% | 2025-12-31 |
| 77 | GEODE CAPITAL MANAGEMENT, LLC | 48,521 | $1.4M | 0.05% | 2025-12-31 |
| 78 | GUARDIAN CAPITAL LP | 47,063 | $1.3M | 0.05% | 2025-12-31 |
| 79 | Blackstone Inc. | 49,501 | $1.3M | 0.05% | 2025-09-30 |
| 80 | BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp | 43,753 | $1.2M | 0.05% | 2025-12-31 |
| 81 | Ewing Morris & Co. Investment Partners Ltd. | 31,600 | $1.0M | 0.03% | 2025-06-30 |
| 82 | NEW YORK STATE COMMON RETIREMENT FUND | 20,761 | $956.9K | 0.02% | 2025-09-30 |
| 83 | SIG North Trading, ULC | 29,342 | $808.1K | 0.03% | 2025-12-31 |
| 84 | FIL Ltd | 29,071 | $799.7K | 0.03% | 2025-12-31 |
| 85 | Lombard Odier Asset Management (Switzerland) SA | 21,515 | $771.1K | 0.02% | 2025-09-30 |
| 86 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 27,215 | $750.7K | 0.03% | 2025-12-31 |
| 87 | BANK OF NOVA SCOTIA TRUST CO | 26,485 | $729.4K | 0.03% | 2025-12-31 |
| 88 | Amundi | 27,180 | $727.3K | 0.03% | 2025-09-30 |
| 89 | Candelo Capital Management LP | 24,700 | $680.2K | 0.02% | 2025-12-31 |
| 90 | Aberdeen Group plc | 20,007 | $551.0K | 0.02% | 2025-12-31 |
| 91 | PenderFund Capital Management Ltd. | 20,000 | $550.9K | 0.02% | 2025-12-31 |
| 92 | BARCLAYS PLC | 17,181 | $547.7K | 0.02% | 2025-12-31 |
| 93 | Numerai GP LLC | 16,305 | $449.0K | 0.01% | 2025-12-31 |
| 94 | Pictet Asset Management Holding SA | 16,006 | $441.5K | 0.01% | 2025-12-31 |
| 95 | CITIGROUP INC | 13,480 | $371.8K | 0.01% | 2025-12-31 |
| 96 | JANE STREET GROUP, LLC | 13,147 | $362.3K | 0.01% | 2025-12-31 |
| 97 | STIFEL FINANCIAL CORP | 12,593 | $346.8K | 0.01% | 2025-12-31 |
| 98 | MORGAN STANLEY | 12,366 | $340.6K | 0.01% | 2025-12-31 |
| 99 | Third View Private Wealth, LLC | 12,264 | $337.8K | 0.01% | 2025-12-31 |
| 100 | Mariner, LLC | 12,167 | $335.1K | 0.01% | 2025-12-31 |
| 101 | TRUE Private Wealth Advisors | 12,080 | $332.7K | 0.01% | 2025-12-31 |
| 102 | Savant Capital, LLC | 11,372 | $313.2K | 0.01% | 2025-12-31 |
| 103 | FRANKLIN RESOURCES INC | 10,822 | $298.1K | 0.01% | 2025-12-31 |
| 104 | XTX Topco Ltd | 10,640 | $293.0K | 0.01% | 2025-12-31 |
| 105 | Northwest & Ethical Investments L.P. | 10,553 | $290.7K | 0.01% | 2025-12-31 |
| 106 | Investment Management Corp of Ontario | 10,116 | $278.6K | 0.01% | 2025-12-31 |
| 107 | Rockefeller Capital Management L.P. | 9,790 | $270.0K | 0.01% | 2025-12-31 |
| 108 | BOOTHBAY FUND MANAGEMENT, LLC | 10,170 | $266.1K | 0.01% | 2025-09-30 |
| 109 | Verition Fund Management LLC | 9,192 | $253.1K | 0.01% | 2025-12-31 |
| 110 | ALLIANCEBERNSTEIN L.P. | 8,960 | $246.8K | 0.01% | 2025-12-31 |
| 111 | Campbell & CO Investment Adviser LLC | 8,805 | $242.5K | 0.01% | 2025-12-31 |
| 112 | ENVESTNET ASSET MANAGEMENT INC | 7,634 | $210.4K | 0.00% | 2025-12-31 |
| 113 | Cresset Asset Management, LLC | 6,466 | $206.1K | 0.00% | 2025-12-31 |
| 114 | DEUTSCHE BANK AG\ | 6,418 | $176.8K | 0.00% | 2025-12-31 |
| 115 | Beutel, Goodman & Co Ltd. | 5,837,138 | $161.0K | 6.93% | 2025-12-31 |
| 116 | Russell Investments Group, Ltd. | 5,087 | $140.3K | 0.00% | 2025-12-31 |
| 117 | Quantbot Technologies LP | 4,665 | $122.2K | 0.00% | 2025-09-30 |
| 118 | State of Wyoming | 4,262 | $111.7K | 0.00% | 2025-09-30 |
| 119 | WOLVERINE ASSET MANAGEMENT LLC | 3,000 | $82.6K | 0.00% | 2025-12-31 |
| 120 | Quarry LP | 1,238 | $32.4K | 0.00% | 2025-09-30 |
| 121 | Smartleaf Asset Management LLC | 1,052 | $29.2K | 0.00% | 2025-12-31 |
| 122 | Tower Research Capital LLC (TRC) | 1,000 | $26.2K | 0.00% | 2025-09-30 |
| 123 | Blue Trust, Inc. | 733 | $20.2K | 0.00% | 2025-12-31 |
| 124 | WELLS FARGO & COMPANY/MN | 711 | $19.6K | 0.00% | 2025-12-31 |
| 125 | Hillsdale Investment Management Inc. | 600 | $16.6K | 0.00% | 2025-12-31 |
| 126 | JPMORGAN CHASE & CO | 343 | $9.4K | 0.00% | 2025-12-31 |
| 127 | Front Street Capital Management, Inc. | 286,994 | $7.9K | 0.34% | 2025-12-31 |
| 128 | Leonteq Securities AG | 177 | $7.8K | 0.00% | 2025-12-31 |
| 129 | Van Berkom & Associates Inc. | 269,136 | $7.4K | 0.31% | 2025-12-31 |
| 130 | Farther Finance Advisors, LLC | 263 | $7.2K | 0.00% | 2025-12-31 |
| 131 | Banque Cantonale Vaudoise | 261 | $7.0K | 0.00% | 2025-12-31 |
| 132 | Bank of Jackson Hole Trust | 137 | $3.8K | 0.00% | 2025-12-31 |
| 133 | Pacer Advisors, Inc. | 137 | $3.8K | 0.00% | 2025-12-31 |
| 134 | Caitong International Asset Management Co., Ltd | 143 | $3.7K | 0.00% | 2025-09-30 |
| 135 | Larson Financial Group LLC | 121 | $3.3K | 0.00% | 2025-12-31 |
| 136 | WealthCollab, LLC | 89 | $2.5K | 0.00% | 2025-12-31 |
| 137 | BlackRock, Inc. | 58 | $1.6K | 0.00% | 2025-12-31 |
| 138 | EverSource Wealth Advisors, LLC | 49 | $1.3K | 0.00% | 2025-12-31 |
| 139 | Root Financial Partners, LLC | 40 | $1.1K | 0.00% | 2025-12-31 |
| 140 | JONES FINANCIAL COMPANIES LLLP | 36 | $991 | 0.00% | 2025-12-31 |
| 141 | OSAIC HOLDINGS, INC. | 30 | $826 | 0.00% | 2025-12-31 |
| 142 | Main Management ETF Advisors, LLC | 29,754 | $819 | 0.03% | 2025-12-31 |
| 143 | Bell Investment Advisors, Inc | 20 | $551 | 0.00% | 2025-12-31 |
| 144 | VAN ECK ASSOCIATES CORP | 13,571 | $374 | 0.01% | 2025-12-31 |
| 145 | SkyView Investment Advisors, LLC | 10,966 | $302 | 0.01% | 2025-12-31 |
| 146 | SHELL ASSET MANAGEMENT CO | 1,302 | $34 | 0.00% | 2025-09-30 |
| 147 | HANTZ FINANCIAL SERVICES, INC. | 173 | $5 | 0.00% | 2025-12-31 |
| 148 | SIMPLEX TRADING, LLC | 67 | $1 | 0.00% | 2025-09-30 |