ATS Corp
ATS- Exchange
- NYSE
- Industry
- General Industrial Machinery & Equipment, NEC
- SEC CIK
- 0001394832
No open-market purchases or sales by ATS Corp insiders were filed in the last 90 days; 141 institutions reported holding it in 13F filings for Q2 2026, worth $2.37B in total; Fairfax Financial is the only superinvestor holding it.
13F holders, Q1 2024
Institutional positions in ATS Corp as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 136
- +4 vs. Q4 2023
- Shares held
- 76.2M
- +614.0K (+0.8%) vs. Q4 2023
- Total value
- $2.77B
- −$504.2M (−15.4%) vs. Q4 2023
- New holders
- 19
- 69 more added
- Sold out
- 15
- 41 more reduced
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 141 | $2.37B |
| Q1 2026 | 131 | $2.39B |
| Q4 2025 | 122 | $2.30B |
| Q3 2025 | 115 | $2.20B |
| Q2 2025 | 131 | $2.77B |
| Q1 2025 | 122 | $2.18B |
| Q4 2024 | 129 | $2.62B |
| Q3 2024 | 130 | $2.36B |
| Q2 2024 | 132 | $2.64B |
| Q1 2024 | 136 | $2.77B |
| Q4 2023 | 132 | $3.27B |
| Q3 2023 | 127 | $3.21B |
| Q2 2023 | 131 | $3.53B |
| Q1 2023 | 3 | $80.6M |
| Q4 2022 | 2 | $33.4M |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mason Capital Management LLC | 14,349,765 | $654.1M | 89.86% | −3,500,000−19.6% | Reduced |
| Capital International Investors | 8,336,811 | $280.5M | 0.06% | +1,325,247+18.9% | Added |
| Capital World Investors | 4,578,084 | $154.1M | 0.03% | +107,351+2.4% | Added |
| FMR LLC | 4,567,471 | $153.7M | 0.01% | −375,113−7.6% | Reduced |
| Turtle Creek Asset Management Inc. | 3,875,730 | $130.7M | 3.19% | +982,700+34.0% | Added |
| EdgePoint Investment Group Inc. | 3,560,512 | $119.9M | 0.95% | +909,149+34.3% | Added |
| Vanguard Group Inc | 2,916,009 | $98.3M | 0.00% | +32,123+1.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 2,374,922 | $80.0M | 0.34% | −343,933−12.6% | Reduced |
| Royal Bank of Canada | 2,344,724 | $79.1M | 0.02% | −266,429−10.2% | Reduced |
| Clearbridge Investments, LLC | 1,584,250 | $53.4M | 0.04% | −34,175−2.1% | Reduced |
| TD Waterhouse Canada Inc. | 1,166,574 | $53.1M | 0.40% | +86,325+8.0% | Added |
| ACK Asset Management LLC | 1,540,000 | $51.9M | 6.05% | +235,020+18.0% | Added |
| Manufacturers Life Insurance Company, The | 1,377,518 | $46.4M | 0.04% | +860,234+166.3% | Added |
| Janus Henderson Group PLC | 1,176,403 | $39.6M | 0.02% | −372,163−24.0% | Reduced |
| Mackenzie Financial Corp | 1,176,012 | $39.6M | 0.06% | −26,042−2.2% | Reduced |
| Federation des caisses Desjardins du Quebec | 865,315 | $39.3M | 0.28% | +404,392+87.7% | Added |
| Alliancebernstein L.P. | 1,149,275 | $38.8M | 0.01% | −81,753−6.6% | Reduced |
| Beutel, Goodman & Co Ltd. | 1,149,239 | $38.7M | 0.20% | −16,580−1.4% | Reduced |
| Norges Bank | 957,821 | $32.2M | 0.01% | +13,905+1.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 745,616 | $29.9M | 0.06% | −238,079−24.2% | Reduced |
| TD Asset Management Inc | 692,182 | $23.3M | 0.02% | +54,665+8.6% | Added |
| Canoe Financial LP | 686,879 | $23.1M | 0.38% | −12,676−1.8% | Reduced |
| Alberta Investment Management Corp | 646,400 | $21.8M | 0.22% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 621,260 | $20.9M | 0.06% | −72,301−10.4% | Reduced |
| Aviva PLC | 615,255 | $20.7M | 0.07% | −32,444−5.0% | Reduced |
| Bank of Montreal | 575,741 | $20.7M | 0.01% | −75,110−11.5% | Reduced |
| Agf Management Ltd | 609,126 | $20.5M | 0.11% | +372,297+157.2% | Added |
| American Century Companies Inc | 608,295 | $20.5M | 0.01% | −304,569−33.4% | Reduced |
| Massachusetts Financial Services Co | 585,107 | $19.7M | 0.01% | +75,262+14.8% | Added |
| Morgan Stanley | 573,413 | $19.3M | 0.00% | +118,629+26.1% | Added |
| T. Rowe Price Investment Management, Inc. | 548,385 | $18.5M | 0.01% | +75,864+16.1% | Added |
| Fiera Capital Corp | 534,665 | $18.0M | 0.05% | +97,321+22.3% | Added |
| Marshall Wace, LLP | 501,500 | $16.9M | 0.03% | +501,500 | New |
| Legal & General Group Plc | 450,783 | $15.2M | 0.00% | +40,039+9.7% | Added |
| 1832 Asset Management L.P. | 439,400 | $14.8M | 0.03% | +208,200+90.1% | Added |
| Nuveen Asset Management, LLC | 396,127 | $13.3M | 0.00% | +262,722+196.9% | Added |
| Capital Group Private Client Services, Inc. | 393,466 | $13.2M | 0.14% | +130,633+49.7% | Added |
| Capital International Inc | 366,584 | $12.3M | 0.17% | +106,152+40.8% | Added |
| Principal Financial Group Inc | 359,660 | $12.1M | 0.01% | −69,320−16.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 323,602 | $10.9M | 0.04% | +50,000+18.3% | Added |
| National Bank of Canada | 320,876 | $10.8M | 0.02% | −47,049−12.8% | Reduced |
| CIBC Asset Management Inc | 315,975 | $10.6M | 0.04% | +19,368+6.5% | Added |
| D. E. Shaw & Co., Inc. | 285,907 | $9.62M | 0.01% | +63,707+28.7% | Added |
| CIBC World Markets Inc. | 279,651 | $9.42M | 0.02% | +6,281+2.3% | Added |
| Natixis Advisors, L.P. | 261,667 | $8.82M | 0.02% | −235,955−47.4% | Reduced |
| FIL Ltd | 261,041 | $8.78M | 0.01% | −86,162−24.8% | Reduced |
| Goldman Sachs Group Inc | 254,980 | $8.60M | 0.00% | +20,952+9.0% | Added |
| Van Berkom & Associates Inc. | 232,697 | $7.83M | 0.22% | +50,872+28.0% | Added |
| JPMorgan Chase & Co | 230,639 | $7.78M | 0.00% | −50,464−18.0% | Reduced |
| British Columbia Investment Management Corp | 202,225 | $6.81M | 0.05% | +136,922+209.7% | Added |
| Millennium Management LLC | 202,263 | $6.81M | 0.01% | +142,473+238.3% | Added |
| Credit Suisse AG | 141,428 | $6.45M | 0.01% | +3,101+2.2% | Added |
| Scotia Capital Inc. | 170,574 | $5.72M | 0.03% | +11,916+7.5% | Added |
| Swiss National Bank | 167,400 | $5.63M | 0.00% | +900+0.5% | Added |
| Thornburg Investment Management Inc | 178,450 | $5.47M | 0.08% | +1,821+1.0% | Added |
| First Trust Advisors LP | 153,074 | $5.15M | 0.01% | +22,747+17.5% | Added |
| Capital International Sarl | 149,785 | $5.04M | 0.17% | +43,336+40.7% | Added |
| Envestnet Asset Management Inc | 145,992 | $4.92M | 0.00% | +3,007+2.1% | Added |
| Dixon Mitchell Investment Counsel Inc. | 138,625 | $4.67M | 0.23% | +55,600+67.0% | Added |
| Invesco Ltd. | 131,691 | $4.44M | 0.00% | −22,552−14.6% | Reduced |
| Polar Asset Management Partners Inc. | 106,600 | $3.59M | 0.10% | +106,600 | New |
| Capital International Ltd | 96,323 | $3.24M | 0.16% | +23,947+33.1% | Added |
| Two Sigma Investments, LP | 95,905 | $3.23M | 0.01% | −17,600−15.5% | Reduced |
| Front Street Capital Management, Inc. | 78,875 | $2.66M | 0.50% | +64,775+459.4% | Added |
| Covalis Capital LLP | 73,100 | $2.46M | 0.30% | −276,868−79.1% | Reduced |
| Bank of America Corp | 71,952 | $2.43M | 0.00% | +2,435+3.5% | Added |
| Handelsbanken Fonder AB | 70,000 | $2.36M | 0.01% | −3,500−4.8% | Reduced |
| Jarislowsky, Fraser Ltd | 63,231 | $2.13M | 0.01% | +37+0.1% | Added |
| Citadel Advisors LLC | 58,703 | $1.98M | 0.00% | +9,391+19.0% | Added |
| Burgundy Asset Management Ltd. | 54,453 | $1.83M | 0.02% | −60−0.1% | Reduced |
| Credential Qtrade Securities Inc. | 52,296 | $1.76M | 0.09% | −6,605−11.2% | Reduced |
| Guardian Capital LP | 43,126 | $1.45M | 0.05% | −9,593−18.2% | Reduced |
| Anson Funds Management LP | 40,000 | $1.35M | 0.10% | +40,000 | New |
| Geode Capital Management, LLC | 35,637 | $1.21M | 0.00% | +1,228+3.6% | Added |
| Amundi | 36,907 | $1.16M | 0.00% | +4,618+14.3% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 34,769 | $1.16M | 0.07% | +4,937+16.5% | Added |
| UBS Group AG | 30,010 | $1.01M | 0.00% | +8,737+41.1% | Added |
| Royce & Associates LP | 25,500 | $858.1K | 0.01% | −40,500−61.4% | Reduced |
| Russell Investments Group, Ltd. | 25,341 | $853.6K | 0.00% | −14,319−36.1% | Reduced |
| Two Sigma Advisers, LP | 25,000 | $843.0K | 0.00% | −11,900−32.2% | Reduced |
| Aigen Investment Management, LP | 24,114 | $811.4K | 0.18% | +16,798+229.6% | Added |
| Caldwell Investment Management Ltd. | 24,100 | $810.7K | 0.60% | +24,100 | New |
| Roubaix Capital, LLC | 23,912 | $806.3K | 0.51% | +23,912 | New |
| Standard Life Aberdeen plc | 23,100 | $778.9K | 0.00% | +34+0.1% | Added |
| Quadrature Capital Ltd | 20,900 | $701.2K | 0.01% | +20,900 | New |
| New York State Common Retirement Fund | 20,761 | $700.1K | 0.00% | 00.0% | Unchanged |
| Capital Group Investment Management Pte. Ltd. | 20,612 | $694.3K | 0.12% | +5,082+32.7% | Added |
| Triasima Portfolio Management inc. | 19,812 | $666.7K | 0.06% | −334,353−94.4% | Reduced |
| Jane Street Group, LLC | 19,579 | $658.9K | 0.00% | −7,825−28.6% | Reduced |
| Renaissance Technologies LLC | 19,100 | $643.0K | 0.00% | −16,200−45.9% | Reduced |
| Cidel Asset Management Inc | 18,308 | $616.6K | 0.05% | +1,312+7.7% | Added |
| Dimensional Fund Advisors LP | 17,945 | $605.1K | 0.00% | +17,945 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,653 | $560.9K | 0.00% | −2,090−11.2% | Reduced |
| Wells Fargo & Company | 16,115 | $542.5K | 0.00% | +55+0.3% | Added |
| Barclays PLC | 15,350 | $517.6K | 0.00% | +81+0.5% | Added |
| Bank of New York Mellon Corp | 15,038 | $507.1K | 0.00% | +1,778+13.4% | Added |
| Pictet Asset Management Holding SA | 13,307 | $450.4K | 0.00% | +1,164+9.6% | Added |
| Knightsbridge Asset Management, LLC | 10,173 | $438.2K | 0.12% | 00.0% | Unchanged |
| TRUE Private Wealth Advisors | 12,323 | $415.5K | 0.05% | 00.0% | Unchanged |
| Tacita Capital Inc | 11,765 | $396.2K | 0.27% | 00.0% | Unchanged |