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, Q4 2023
Institutional positions in ATS Corp as of Dec 31, 2023. 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
- 132
- +5 vs. Q3 2023
- Shares held
- 75.6M
- +638.0K (+0.9%) vs. Q3 2023
- Total value
- $3.27B
- +$60.8M (+1.9%) vs. Q3 2023
- New holders
- 18
- 56 more added
- Sold out
- 13
- 44 more reduced
Compare with Q3 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 | $2.40B |
| 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, Q4 2023
Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mason Capital Management LLC | 17,849,765 | $768.8M | 86.01% | 00.0% | Unchanged |
| Capital International Investors | 7,011,564 | $302.2M | 0.07% | +1,068,310+18.0% | Added |
| FMR LLC | 4,942,584 | $213.0M | 0.02% | −428,961−8.0% | Reduced |
| Capital World Investors | 4,470,733 | $192.7M | 0.03% | +360,719+8.8% | Added |
| Turtle Creek Asset Management Inc. | 2,893,030 | $124.6M | 3.29% | +484,050+20.1% | Added |
| Vanguard Group Inc | 2,883,886 | $124.2M | 0.00% | +31,185+1.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 2,718,855 | $117.2M | 0.55% | +391,871+16.8% | Added |
| EdgePoint Investment Group Inc. | 2,651,363 | $114.3M | 0.99% | +579,885+28.0% | Added |
| Royal Bank of Canada | 2,611,153 | $112.5M | 0.03% | −279,763−9.7% | Reduced |
| Clearbridge Investments, LLC | 1,618,425 | $70.7M | 0.06% | −32,321−2.0% | Reduced |
| Janus Henderson Group PLC | 1,548,566 | $67.1M | 0.04% | +4,754+0.3% | Added |
| TD Waterhouse Canada Inc. | 1,080,249 | $58.5M | 0.55% | +58,529+5.7% | Added |
| ACK Asset Management LLC | 1,304,980 | $56.2M | 6.76% | +83,639+6.8% | Added |
| Alliancebernstein L.P. | 1,231,028 | $53.0M | 0.02% | −3,545−0.3% | Reduced |
| Mackenzie Financial Corp | 1,202,054 | $51.8M | 0.08% | −415,451−25.7% | Reduced |
| Beutel, Goodman & Co Ltd. | 1,165,819 | $50.5M | 0.27% | +9,804+0.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 983,695 | $42.6M | 0.09% | +16,115+1.7% | Added |
| Norges Bank | 943,916 | $40.7M | 0.01% | +84,110+9.8% | Added |
| American Century Companies Inc | 912,864 | $39.3M | 0.03% | +139,834+18.1% | Added |
| Canoe Financial LP | 699,555 | $30.2M | 0.59% | −11,026−1.6% | Reduced |
| Rockefeller Capital Management L.P. | 693,561 | $29.9M | 0.10% | +192,871+38.5% | Added |
| Bank of Montreal | 650,851 | $28.3M | 0.01% | −32,536−4.8% | Reduced |
| Aviva PLC | 647,699 | $28.0M | 0.10% | +195,615+43.3% | Added |
| Alberta Investment Management Corp | 646,400 | $28.0M | 0.26% | 00.0% | Unchanged |
| TD Asset Management Inc | 637,517 | $27.6M | 0.03% | +46,641+7.9% | Added |
| Manufacturers Life Insurance Company, The | 517,284 | $22.3M | 0.01% | +47,896+10.2% | Added |
| Massachusetts Financial Services Co | 509,845 | $22.0M | 0.01% | +3,022+0.6% | Added |
| Natixis Advisors, L.P. | 497,622 | $21.4M | 0.06% | +19,647+4.1% | Added |
| T. Rowe Price Investment Management, Inc. | 472,521 | $20.4M | 0.01% | +25,072+5.6% | Added |
| Federation des caisses Desjardins du Quebec | 460,923 | $19.9M | 0.19% | +210,842+84.3% | Added |
| Morgan Stanley | 454,784 | $19.6M | 0.00% | +64,623+16.6% | Added |
| Fiera Capital Corp | 437,344 | $18.9M | 0.06% | −55,401−11.2% | Reduced |
| Principal Financial Group Inc | 428,980 | $18.6M | 0.01% | −16,400−3.7% | Reduced |
| Legal & General Group Plc | 410,744 | $17.8M | 0.01% | +17,758+4.5% | Added |
| National Bank of Canada | 367,925 | $15.6M | 0.03% | +10,380+2.9% | Added |
| Triasima Portfolio Management inc. | 354,165 | $15.3M | 1.26% | −215,915−37.9% | Reduced |
| Covalis Capital LLP | 349,968 | $15.2M | 2.46% | +153,828+78.4% | Added |
| FIL Ltd | 347,203 | $15.0M | 0.02% | −54,773−13.6% | Reduced |
| CIBC Asset Management Inc | 296,607 | $12.8M | 0.05% | −67,372−18.5% | Reduced |
| JPMorgan Chase & Co | 281,103 | $12.1M | 0.00% | −39,099−12.2% | Reduced |
| CIBC World Markets Inc. | 273,370 | $11.8M | 0.03% | −98,694−26.5% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 273,602 | $11.8M | 0.04% | +29,700+12.2% | Added |
| Capital Group Private Client Services, Inc. | 262,833 | $11.3M | 0.12% | −46,975−15.2% | Reduced |
| Capital International Inc | 260,432 | $11.2M | 0.17% | +34,493+15.3% | Added |
| Agf Management Ltd | 236,829 | $10.2M | 0.06% | +72,528+44.1% | Added |
| Goldman Sachs Group Inc | 234,028 | $10.1M | 0.00% | +133,063+131.8% | Added |
| 1832 Asset Management L.P. | 231,200 | $9.96M | 0.02% | −64,060−21.7% | Reduced |
| D. E. Shaw & Co., Inc. | 222,200 | $9.57M | 0.01% | +51,300+30.0% | Added |
| Credit Suisse AG | 138,327 | $7.90M | 0.01% | +13,274+10.6% | Added |
| Van Berkom & Associates Inc. | 181,825 | $7.85M | 0.23% | −7,963−4.2% | Reduced |
| Waratah Capital Advisors Ltd. | 167,642 | $7.22M | 0.41% | −1,062,863−86.4% | Reduced |
| Swiss National Bank | 166,500 | $7.19M | 0.01% | −19,900−10.7% | Reduced |
| Thornburg Investment Management Inc | 176,629 | $6.83M | 0.10% | +176,629 | New |
| Scotia Capital Inc. | 158,658 | $6.82M | 0.04% | −35,063−18.1% | Reduced |
| Invesco Ltd. | 154,243 | $6.64M | 0.00% | +4,635+3.1% | Added |
| Envestnet Asset Management Inc | 142,985 | $6.16M | 0.00% | +40,960+40.1% | Added |
| Nuveen Asset Management, LLC | 133,405 | $5.78M | 0.00% | +133,405 | New |
| First Trust Advisors LP | 130,327 | $5.62M | 0.01% | +130,327 | New |
| Two Sigma Investments, LP | 113,505 | $4.89M | 0.01% | +113,505 | New |
| Capital International Sarl | 106,449 | $4.60M | 0.17% | +30,218+39.6% | Added |
| Dixon Mitchell Investment Counsel Inc. | 83,025 | $3.60M | 0.19% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 79,082 | $3.41M | 0.03% | −77,518−49.5% | Reduced |
| Handelsbanken Fonder AB | 73,500 | $3.17M | 0.02% | 00.0% | Unchanged |
| Capital International Ltd | 72,376 | $3.12M | 0.16% | +21,761+43.0% | Added |
| Bank of America Corp | 69,517 | $2.99M | 0.00% | +65,573+1,662.6% | Added |
| Royce & Associates LP | 66,000 | $2.84M | 0.03% | −62,150−48.5% | Reduced |
| British Columbia Investment Management Corp | 65,303 | $2.81M | 0.02% | +20,840+46.9% | Added |
| Jarislowsky, Fraser Ltd | 63,194 | $2.74M | 0.02% | +3,867+6.5% | Added |
| Millennium Management LLC | 59,790 | $2.58M | 0.00% | −24,791−29.3% | Reduced |
| Credential Qtrade Securities Inc. | 58,901 | $2.54M | 0.15% | +401+0.7% | Added |
| Burgundy Asset Management Ltd. | 54,513 | $2.35M | 0.03% | −21,969−28.7% | Reduced |
| Guardian Capital LP | 52,719 | $2.28M | 0.08% | −42,508−44.6% | Reduced |
| Citadel Advisors LLC | 49,312 | $2.12M | 0.00% | +49,312 | New |
| O'Shaughnessy Asset Management, LLC | 41,264 | $1.78M | 0.02% | 00.0% | Unchanged |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 40,000 | $1.73M | 0.12% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 39,660 | $1.72M | 0.00% | −9,182−18.8% | Reduced |
| Two Sigma Advisers, LP | 36,900 | $1.59M | 0.00% | +36,900 | New |
| K.J. Harrison & Partners Inc | 35,850 | $1.55M | 0.26% | +5,200+17.0% | Added |
| Renaissance Technologies LLC | 35,300 | $1.53M | 0.00% | −54,400−60.6% | Reduced |
| Geode Capital Management, LLC | 34,409 | $1.48M | 0.00% | −1,463−4.1% | Reduced |
| Boothbay Fund Management, LLC | 34,215 | $1.48M | 0.05% | +34,215 | New |
| Amundi | 32,289 | $1.33M | 0.00% | −12,262−27.5% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 29,832 | $1.29M | 0.09% | −11,789−28.3% | Reduced |
| Jane Street Group, LLC | 27,404 | $1.18M | 0.00% | +22,140+420.6% | Added |
| Toronto Dominion Bank | 26,200 | $1.13M | 0.00% | −6,848−20.7% | Reduced |
| Standard Life Aberdeen plc | 23,066 | $993.5K | 0.00% | +2,666+13.1% | Added |
| UBS Group AG | 21,273 | $916.2K | 0.00% | −6,685−23.9% | Reduced |
| New York State Common Retirement Fund | 20,761 | $894.2K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 18,743 | $811.8K | 0.00% | +2,307+14.0% | Added |
| Cidel Asset Management Inc | 16,996 | $736.1K | 0.03% | +749+4.6% | Added |
| Wells Fargo & Company | 16,060 | $692.8K | 0.00% | −513−3.1% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 15,530 | $672.6K | 0.07% | +4,800+44.7% | Added |
| Barclays PLC | 15,269 | $657.6K | 0.00% | −101−0.7% | Reduced |
| Front Street Capital Management, Inc. | 14,100 | $607.0K | 0.12% | +14,100 | New |
| Bank of New York Mellon Corp | 13,260 | $571.1K | 0.00% | +137+1.0% | Added |
| TRUE Private Wealth Advisors | 12,323 | $530.8K | 0.07% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 12,143 | $525.9K | 0.00% | +878+7.8% | Added |
| Tacita Capital Inc | 11,765 | $508.7K | 0.38% | −750−6.0% | Reduced |
| Northwest & Ethical Investments L.P. | 11,099 | $478.4K | 0.01% | +57+0.5% | Added |
| Brown Advisory Inc | 10,634 | $458.0K | 0.00% | +3,110+41.3% | Added |