ATS
ATS Corp /ATSCompany with tickers: ATS
CIK
1394832
CUSIP
00217Y104
Shares Outstanding
96,950,648
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Report Date:
Holders: 118
Total Value: $2,163,765,201
Total Shares: 78,568,093
Showing top 100 of 118 holders by value
| Holder | Value (USD) | Shares | Type | Discretion | Filed | Action |
|---|---|---|---|---|---|---|
| MASON CAPITAL MANAGEMENT LLC | $428,620,662 | 15,563,568 | Shares | Sole | 2026-02-17 | View |
| ROYAL BANK OF CANADA | $210,530,820 | 7,644,547 | Shares | Defined | 2026-02-17 | View |
| EdgePoint Investment Group Inc. | $189,717,138 | 6,888,785 | Shares | Sole | 2026-02-17 | View |
| Beutel, Goodman & Co Ltd. | $160,754,780 | 5,837,138 | Shares | Sole | 2026-02-13 | View |
| TURTLE CREEK ASSET MANAGEMENT INC. | $155,382,112 | 5,642,052 | Shares | Sole | 2026-02-13 | View |
| BANK OF MONTREAL /CAN/ | $83,244,963 | 3,022,693 | Shares | Defined | 2026-02-12 | View |
| Fairfax Financial Holdings Ltd/ Can | $68,475,456 | 2,486,400 | Shares | Defined | 2026-02-17 | View |
| Connor, Clark & Lunn Investment Management Ltd. | $68,454,470 | 2,485,638 | Shares | Sole | 2026-02-10 | View |
| FMR LLC | $58,323,274 | 2,117,766 | Shares | Defined | 2026-02-17 | View |
| ACK Asset Management LLC | $50,844,237 | 1,846,196 | Shares | Sole | 2026-02-13 | View |
| Hill City Capital, LP | $45,437,061 | 1,649,857 | Shares | Sole | 2026-02-13 | View |
| Invesco Ltd. | $35,036,992 | 1,272,222 | Shares | Defined | 2026-02-19 | View |
| Scheer, Rowlett & Associates Investment Management Ltd. | $33,776,433 | 1,226,450 | Shares | Sole | 2026-02-10 | View |
| TD ASSET MANAGEMENT INC | $32,860,947 | 1,193,208 | Shares | Sole | 2026-02-10 | View |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $31,446,135 | 1,141,835 | Shares | Defined | 2026-02-17 | View |
| Clearbridge Investments, LLC | $30,610,296 | 1,111,485 | Shares | Defined | 2026-02-11 | View |
| BANK OF AMERICA CORP /DE/ | $30,304,490 | 1,100,381 | Shares | Defined | 2026-02-17 | View |
| Marathon Asset Mgmt Ltd | $30,230,960 | 1,097,711 | Shares | Sole | 2026-02-06 | View |
| NORGES BANK | $29,718,138 | 1,079,090 | Shares | Sole | 2026-02-10 | View |
| TD Waterhouse Canada Inc. | $26,613,251 | 966,349 | Shares | Defined | 2026-01-27 | View |
| PRINCIPAL FINANCIAL GROUP INC | $24,186,729 | 878,240 | Shares | Defined | 2026-02-02 | View |
| JANUS HENDERSON GROUP PLC | $23,735,045 | 861,839 | Shares | Defined | 2026-02-17 | View |
| 1832 Asset Management L.P. | $22,543,114 | 818,559 | Shares | Sole | 2026-02-13 | View |
| KEMPEN CAPITAL MANAGEMENT N.V. | $22,445,953 | 815,031 | Shares | Sole | 2026-02-13 | View |
| VANGUARD GROUP INC | $21,999,887 | 798,834 | Shares | Defined | 2026-01-29 | View |
| MACKENZIE FINANCIAL CORP | $20,902,309 | 758,980 | Shares | Sole | 2026-02-18 | View |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $20,751,169 | 753,492 | Shares | Sole | 2026-02-13 | View |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $15,385,909 | 558,675 | Shares | Defined | 2026-01-22 | View |
| Legal & General Group Plc | $14,927,311 | 542,023 | Shares | Defined | 2026-02-09 | View |
| AGF MANAGEMENT LTD | $11,019,855 | 400,140 | Shares | Sole | 2026-02-17 | View |
| CIBC World Markets Inc. | $9,751,060 | 354,069 | Shares | Sole | 2026-02-10 | View |
| Public Sector Pension Investment Board | $7,926,810 | 287,829 | Shares | Sole | 2026-02-13 | View |
| Front Street Capital Management, Inc. | $7,903,814 | 286,994 | Shares | Sole | 2026-02-18 | View |
| GOLDMAN SACHS GROUP INC | $7,859,281 | 285,377 | Shares | Defined | 2026-02-10 | View |
| Van Berkom & Associates Inc. | $7,412,005 | 269,136 | Shares | Sole | 2026-02-02 | View |
| MONTRUSCO BOLTON INVESTMENTS INC. | $7,013,914 | 254,681 | Shares | Sole | 2026-01-29 | View |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $6,508,583 | 236,332 | Shares | Sole | 2026-02-13 | View |
| UBS Group AG | $6,300,435 | 228,774 | Shares | Defined | 2026-01-29 | View |
| Dixon Mitchell Investment Counsel Inc. | $5,811,628 | 211,025 | Shares | Sole | 2026-02-13 | View |
| LOUISBOURG INVESTMENTS INC. | $5,704,360 | 207,130 | Shares | Sole | 2026-01-16 | View |
| Granite Investment Partners, LLC | $5,614,745 | 203,876 | Shares | Sole | 2026-02-12 | View |
| SCOTIA CAPITAL INC. | $5,370,823 | 195,019 | Shares | Defined | 2026-02-12 | View |
| FIRST TRUST ADVISORS LP | $5,070,885 | 184,128 | Shares | Sole | 2026-02-13 | View |
| Colony Group, LLC | $5,011,591 | 181,975 | Shares | Sole | 2026-02-13 | View |
| Polar Asset Management Partners Inc. | $4,957,200 | 180,000 | Shares | Sole | 2026-02-17 | View |
| ROYCE & ASSOCIATES LP | $4,530,330 | 164,500 | Shares | Sole | 2026-02-09 | View |
| Swiss National Bank | $4,527,576 | 164,400 | Shares | Sole | 2026-02-12 | View |
| CITADEL ADVISORS LLC | $4,099,052 | 148,840 | Shares | Defined | 2026-02-17 | View |
| CIBC Asset Management Inc | $3,621,510 | 131,500 | Shares | Sole | 2026-02-10 | View |
| DIMENSIONAL FUND ADVISORS LP | $3,038,816 | 110,342 | Shares | Sole | 2026-02-12 | View |
| D. E. Shaw & Co., Inc. | $2,977,074 | 108,100 | Shares | Defined | 2026-02-17 | View |
| SEI INVESTMENTS CO | $2,719,354 | 98,742 | Shares | Sole | 2026-02-13 | View |
| TORONTO DOMINION BANK | $2,255,800 | 81,910 | Shares | Defined | 2026-02-17 | View |
| Canoe Financial LP | $2,219,724 | 80,600 | Shares | Sole | 2026-01-14 | View |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $2,104,772 | 76,426 | Shares | Defined | 2026-02-13 | View |
| MILLENNIUM MANAGEMENT LLC | $2,089,707 | 75,879 | Shares | Sole | 2026-02-17 | View |
| AYAL Capital Advisors Ltd | $1,988,388 | 72,200 | Shares | Sole | 2026-02-17 | View |
| FIERA CAPITAL CORP | $1,955,532 | 71,007 | Shares | Sole | 2026-02-11 | View |
| Zurcher Kantonalbank (Zurich Cantonalbank) | $1,780,158 | 64,639 | Shares | Sole | 2026-01-27 | View |
| Nuveen, LLC | $1,723,563 | 62,584 | Shares | Defined | 2026-02-12 | View |
| Caldwell Investment Management Ltd. | $1,674,432 | 60,800 | Shares | Sole | 2026-02-11 | View |
| GEODE CAPITAL MANAGEMENT, LLC | $1,631,882 | 59,255 | Shares | Defined | 2026-02-09 | View |
| LAZARD ASSET MANAGEMENT LLC | $1,609,052 | 58,426 | Shares | Sole | 2026-02-17 | View |
| FIL Ltd | $1,475,289 | 53,569 | Shares | Defined | 2026-02-17 | View |
| Aviso Financial Inc. | $1,424,506 | 51,725 | Shares | Sole | 2026-02-13 | View |
| GUARDIAN CAPITAL LP | $1,296,115 | 47,063 | Shares | Sole | 2026-02-18 | View |
| BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp | $1,204,957 | 43,753 | Shares | Sole | 2026-02-13 | View |
| Federation des caisses Desjardins du Quebec | $1,129,140 | 41,000 | Shares | Defined | 2026-02-12 | View |
| BANK OF NOVA SCOTIA TRUST CO | $840,354 | 30,514 | Shares | Other | 2026-02-12 | View |
| Main Management ETF Advisors, LLC | $819,425 | 29,754 | Shares | Sole | 2026-02-10 | View |
| SIG North Trading, ULC | $808,078 | 29,342 | Shares | Sole | 2026-02-17 | View |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $749,501 | 27,215 | Shares | Sole | 2026-02-17 | View |
| SIG North Trading, ULC | $724,302 | 26,300 | Shares | Sole | 2026-02-17 | View |
| FRANKLIN RESOURCES INC | $699,129 | 25,386 | Shares | Defined | 2026-02-11 | View |
| CITIGROUP INC | $692,603 | 25,149 | Shares | Defined | 2026-02-13 | View |
| Candelo Capital Management LP | $680,238 | 24,700 | Shares | Sole | 2026-02-17 | View |
| JANE STREET GROUP, LLC | $607,613 | 22,063 | Shares | Defined | 2026-02-12 | View |
| Standard Life Aberdeen plc | $550,992 | 20,007 | Shares | Defined | 2026-01-16 | View |
| PenderFund Capital Management Ltd. | $550,800 | 20,000 | Shares | Sole | 2026-02-17 | View |
| NATIONAL BANK OF CANADA /FI/ | $481,536 | 17,485 | Shares | Defined | 2026-02-17 | View |
| Numerai GP LLC | $449,039 | 16,305 | Shares | Sole | 2026-02-17 | View |
| Pictet Asset Management Holding SA | $440,805 | 16,006 | Shares | Sole | 2026-01-29 | View |
| VAN ECK ASSOCIATES CORP | $373,745 | 13,571 | Shares | Sole | 2026-02-13 | View |
| STIFEL FINANCIAL CORP | $346,811 | 12,593 | Shares | Defined | 2026-02-13 | View |
| Third View Private Wealth, LLC | $337,750 | 12,264 | Shares | Other | 2026-01-23 | View |
| Mariner, LLC | $335,079 | 12,167 | Shares | Sole | 2026-02-13 | View |
| TRUE Private Wealth Advisors | $332,683 | 12,080 | Shares | Sole | 2026-02-13 | View |
| Savant Capital, LLC | $313,184 | 11,372 | Shares | Sole | 2026-02-10 | View |
| SkyView Investment Advisors, LLC | $302,003 | 10,966 | Shares | Sole | 2026-02-18 | View |
| XTX Topco Ltd | $293,025 | 10,640 | Shares | Defined | 2026-02-17 | View |
| DEUTSCHE BANK AG\ | $282,587 | 10,261 | Shares | Defined | 2026-02-11 | View |
| Investment Management Corp of Ontario | $278,594 | 10,116 | Shares | Sole | 2026-02-17 | View |
| Rockefeller Capital Management L.P. | $269,616 | 9,790 | Shares | Defined | 2026-02-17 | View |
| Verition Fund Management LLC | $253,147 | 9,192 | Shares | Sole | 2026-02-13 | View |
| ALLIANCEBERNSTEIN L.P. | $246,758 | 8,960 | Shares | Defined | 2026-02-17 | View |
| Campbell & CO Investment Adviser LLC | $242,489 | 8,805 | Shares | Sole | 2026-02-12 | View |
| Russell Investments Group, Ltd. | $234,887 | 8,529 | Shares | Defined | 2026-02-17 | View |
| ENVESTNET ASSET MANAGEMENT INC | $210,240 | 7,634 | Shares | Sole | 2026-02-10 | View |
| BARCLAYS PLC | $144,969 | 5,264 | Shares | Sole | 2026-02-13 | View |
| WOLVERINE ASSET MANAGEMENT LLC | $82,620 | 3,000 | Shares | Defined | 2026-02-02 | View |