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, Q2 2025
Institutional positions in ATS Corp as of Jun 30, 2025. 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
- 131
- +9 vs. Q1 2025
- Shares held
- 86.8M
- −554.8K (−0.6%) vs. Q1 2025
- Total value
- $2.77B
- +$589.2M (+27.0%) vs. Q1 2025
- New holders
- 21
- 48 more added
- Sold out
- 12
- 50 more reduced
Compare with Q1 2025: 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 | $2.40B |
| Q4 2025 | 122 | $2.30B |
| Q3 2025 | 115 | $2.20B |
| Q2 2025 | 131 | $3.00B |
| Q1 2025 | 122 | $2.18B |
| Q4 2024 | 129 | $2.69B |
| Q3 2024 | 130 | $2.36B |
| Q2 2024 | 132 | $2.65B |
| Q1 2024 | 136 | $2.81B |
| Q4 2023 | 132 | $3.30B |
| 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, Q2 2025
Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mason Capital Management LLC | 15,563,568 | $496.2M | 97.00% | 00.0% | Unchanged |
| Turtle Creek Asset Management Inc. | 7,590,538 | $242.0M | 7.02% | −710,990−8.6% | Reduced |
| Royal Bank of Canada | 7,074,621 | $225.5M | 0.04% | +594,453+9.2% | Added |
| Beutel, Goodman & Co Ltd. | 6,834,488 | $217.5M | 1.24% | −217,836−3.1% | Reduced |
| EdgePoint Investment Group Inc. | 6,434,005 | $205.3M | 1.55% | +1,416,009+28.2% | Added |
| Vanguard Group Inc | 3,272,101 | $104.4M | 0.00% | +51,529+1.6% | Added |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 2,486,400 | $79.1M | 4.23% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 2,369,028 | $75.6M | 0.27% | +392,874+19.9% | Added |
| Clearbridge Investments, LLC | 1,847,036 | $58.9M | 0.05% | +245,437+15.3% | Added |
| ACK Asset Management LLC | 1,846,196 | $58.9M | 7.73% | −167,000−8.3% | Reduced |
| Burgundy Asset Management Ltd. | 1,812,147 | $57.7M | 0.56% | +43,365+2.5% | Added |
| TD Waterhouse Canada Inc. | 1,452,320 | $46.4M | 0.33% | −220,776−13.2% | Reduced |
| Mackenzie Financial Corp | 1,410,833 | $45.0M | 0.06% | +210,570+17.5% | Added |
| FMR LLC | 1,405,012 | $44.8M | 0.00% | −81,631−5.5% | Reduced |
| TD Asset Management Inc | 1,278,879 | $40.7M | 0.03% | +122,017+10.5% | Added |
| Marathon Asset Mgmt Ltd | 1,234,961 | $39.3M | 1.26% | +1,234,961 | New |
| Hill City Capital, LP | 1,224,857 | $39.0M | 2.10% | −75,000−5.8% | Reduced |
| Capital World Investors | 1,196,000 | $38.1M | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 1,188,227 | $37.9M | 0.01% | −213,858−15.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 1,112,974 | $35.4M | 0.07% | +1,174+0.1% | Added |
| Bank of Montreal | 1,098,424 | $35.1M | 0.02% | +52,857+5.1% | Added |
| Norges Bank | 1,027,456 | $32.8M | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 922,164 | $29.4M | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 861,833 | $27.5M | 0.00% | −194,131−18.4% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 841,502 | $26.9M | 0.05% | +200,300+31.2% | Added |
| 1832 Asset Management L.P. | 824,558 | $26.3M | 0.05% | −20,494−2.4% | Reduced |
| Scheer, Rowlett & Associates Investment Management Ltd. | 792,305 | $25.3M | 1.64% | +159,814+25.3% | Added |
| Principal Financial Group Inc | 783,440 | $24.9M | 0.01% | +86,600+12.4% | Added |
| Alberta Investment Management Corp | 767,600 | $24.5M | 0.19% | −198,527−20.5% | Reduced |
| Massachusetts Financial Services Co | 631,114 | $20.1M | 0.01% | +118,008+23.0% | Added |
| Moore Capital Management, LP | 611,120 | $19.5M | 0.39% | −111,362−15.4% | Reduced |
| Goldman Sachs Group Inc | 556,575 | $17.7M | 0.00% | +122,531+28.2% | Added |
| Agf Management Ltd | 489,956 | $15.6M | 0.07% | −51,774−9.6% | Reduced |
| Galibier Capital Management Ltd. | 486,375 | $15.5M | 4.65% | −320,622−39.7% | Reduced |
| National Bank of Canada | 439,018 | $14.0M | 0.02% | +16,674+3.9% | Added |
| Legal & General Group Plc | 438,440 | $14.0M | 0.00% | −22,764−4.9% | Reduced |
| Dixon Mitchell Investment Counsel Inc. | 402,125 | $12.8M | 0.50% | +46,000+12.9% | Added |
| Foresight Group Ltd Liability Partnership | 381,812 | $12.2M | 1.72% | −4,482−1.2% | Reduced |
| Jarislowsky, Fraser Ltd | 379,208 | $12.1M | 0.07% | +241,688+175.7% | Added |
| CIBC World Markets Inc. | 369,726 | $11.8M | 0.03% | +23,547+6.8% | Added |
| Montrusco Bolton Investments Inc. | 318,781 | $10.1M | 0.11% | +318,781 | New |
| Kempen Capital Management N.V. | 225,582 | $9.80M | 0.09% | +225,582 | New |
| Front Street Capital Management, Inc. | 293,985 | $9.37M | 1.80% | +5,023+1.7% | Added |
| Picton Mahoney Asset Management | 279,805 | $8.89M | 0.13% | +279,805 | New |
| Van Berkom & Associates Inc. | 269,260 | $8.57M | 0.26% | +37,471+16.2% | Added |
| Federation des caisses Desjardins du Quebec | 266,968 | $8.51M | 0.04% | −216,520−44.8% | Reduced |
| UBS Group AG | 257,218 | $8.20M | 0.00% | −79,522−23.6% | Reduced |
| Scotia Capital Inc. | 203,774 | $6.49M | 0.03% | +7,513+3.8% | Added |
| Charles Schwab Investment Management Inc | 200,237 | $6.37M | 0.00% | −373−0.2% | Reduced |
| Swiss National Bank | 160,100 | $5.09M | 0.00% | −2,200−1.4% | Reduced |
| Granite Investment Partners, LLC | 153,040 | $4.88M | 0.24% | −4,641−2.9% | Reduced |
| Fiera Capital Corp | 132,369 | $4.22M | 0.01% | −590,742−81.7% | Reduced |
| Morgan Stanley | 130,873 | $4.17M | 0.00% | −170,814−56.6% | Reduced |
| Royce & Associates LP | 125,500 | $4.00M | 0.04% | +5,000+4.1% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 122,148 | $3.90M | 0.28% | +7,833+6.9% | Added |
| First Trust Advisors LP | 120,088 | $3.83M | 0.00% | +3,382+2.9% | Added |
| Waratah Capital Advisors Ltd. | 118,480 | $3.78M | 0.26% | +11,305+10.5% | Added |
| Louisbourg Investments Inc. | 101,522 | $3.23M | 0.76% | +101,522 | New |
| Natixis Advisors, L.P. | 98,912 | $3.15M | 0.01% | +12,765+14.8% | Added |
| Canoe Financial LP | 81,114 | $2.59M | 0.04% | −532,185−86.8% | Reduced |
| UBS Asset Management Americas Inc | 80,962 | $2.58M | 0.00% | −924−1.1% | Reduced |
| CIBC Asset Management Inc | 79,703 | $2.54M | 0.01% | −23,675−22.9% | Reduced |
| Dimensional Fund Advisors LP | 77,062 | $2.46M | 0.00% | +33,489+76.9% | Added |
| Manufacturers Life Insurance Company, The | 63,161 | $2.00M | 0.00% | −59,894−48.7% | Reduced |
| Nuveen, LLC | 62,584 | $1.99M | 0.00% | −3,522−5.3% | Reduced |
| Caldwell Investment Management Ltd. | 60,800 | $1.94M | 1.68% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 58,572 | $1.87M | 0.00% | +27,672+89.6% | Added |
| Aviso Financial Inc. | 50,653 | $1.62M | 0.07% | +452+0.9% | Added |
| British Columbia Investment Management Corp | 50,516 | $1.61M | 0.01% | +3,645+7.8% | Added |
| Geode Capital Management, LLC | 45,855 | $1.47M | 0.00% | +2,605+6.0% | Added |
| Toronto Dominion Bank | 43,240 | $1.38M | 0.00% | −17,336−28.6% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 39,572 | $1.26M | 0.06% | +39,572 | New |
| FIL Ltd | 35,436 | $1.13M | 0.00% | −780,991−95.7% | Reduced |
| Jane Street Group, LLC | 32,225 | $1.03M | 0.00% | −9,860−23.4% | Reduced |
| Ewing Morris & Co. Investment Partners Ltd. | 31,600 | $1.01M | 0.45% | +3,320+11.7% | Added |
| Russell Investments Group, Ltd. | 29,859 | $950.4K | 0.00% | −50,377−62.8% | Reduced |
| Northwest & Ethical Investments L.P. | 29,543 | $941.4K | 0.02% | +21,210+254.5% | Added |
| Rockefeller Capital Management L.P. | 28,880 | $920.1K | 0.00% | −420,670−93.6% | Reduced |
| Trexquant Investment LP | 28,803 | $918.2K | 0.01% | +28,803 | New |
| Susquehanna International Group, LLP | 28,082 | $895.3K | 0.00% | +28,082 | New |
| Amundi | 27,180 | $888.0K | 0.00% | −3,358−11.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 27,279 | $868.2K | 0.00% | +4,151+17.9% | Added |
| Public Employees Retirement System of Ohio | 27,152 | $864.3K | 0.00% | −2,619−8.8% | Reduced |
| Citadel Advisors LLC | 26,092 | $831.8K | 0.00% | +26,092 | New |
| Envestnet Asset Management Inc | 22,790 | $726.3K | 0.00% | −103,503−82.0% | Reduced |
| Bank of Nova Scotia Trust Co | 21,802 | $695.0K | 0.07% | +4,089+23.1% | Added |
| Barclays PLC | 21,628 | $689.5K | 0.00% | −172−0.8% | Reduced |
| Gluskin Sheff & Assoc Inc | 19,053 | $607.5K | 0.07% | −24,246−56.0% | Reduced |
| Franklin Resources Inc | 17,106 | $545.9K | 0.00% | +1,171+7.3% | Added |
| Standard Life Aberdeen plc | 16,205 | $516.6K | 0.00% | +2,869+21.5% | Added |
| Mariner, LLC | 15,640 | $498.6K | 0.00% | −1,760−10.1% | Reduced |
| Alliancebernstein L.P. | 14,000 | $446.3K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 13,873 | $441.6K | 0.00% | −226−1.6% | Reduced |
| Citigroup Inc | 12,610 | $401.4K | 0.00% | +4,151+49.1% | Added |
| TRUE Private Wealth Advisors | 12,080 | $385.1K | 0.04% | 00.0% | Unchanged |
| Nebula Research & Development LLC | 11,283 | $359.7K | 0.03% | −3,421−23.3% | Reduced |
| XTX Topco Ltd | 10,941 | $348.8K | 0.01% | +10,941 | New |
| Bank of New York Mellon Corp | 10,774 | $343.5K | 0.00% | −467−4.2% | Reduced |
| Deutsche Bank AG | 9,965 | $317.7K | 0.00% | +2,346+30.8% | Added |
| Stifel Financial Corp | 9,371 | $298.8K | 0.00% | +9,371 | New |