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 2025
Institutional positions in ATS Corp as of Mar 31, 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
- 122
- −6 vs. Q4 2024
- Shares held
- 87.4M
- +1.60M (+1.9%) vs. Q4 2024
- Total value
- $2.18B
- −$439.4M (−16.8%) vs. Q4 2024
- New holders
- 10
- 60 more added
- Sold out
- 16
- 44 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mason Capital Management LLC | 15,563,568 | $388.0M | 90.83% | +648,803+4.4% | Added |
| Turtle Creek Asset Management Inc. | 8,301,528 | $207.0M | 5.82% | −37,045−0.4% | Reduced |
| Beutel, Goodman & Co Ltd. | 7,052,324 | $175.8M | 1.01% | +536,642+8.2% | Added |
| Royal Bank of Canada | 6,480,168 | $161.6M | 0.04% | +1,172,204+22.1% | Added |
| EdgePoint Investment Group Inc. | 5,017,996 | $125.1M | 1.01% | +1,477,357+41.7% | Added |
| Vanguard Group Inc | 3,220,572 | $80.3M | 0.00% | −8,693−0.3% | Reduced |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 2,486,400 | $60.8M | 3.29% | 00.0% | Unchanged |
| ACK Asset Management LLC | 2,013,196 | $50.2M | 8.24% | −80,000−3.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 1,976,154 | $49.3M | 0.21% | +304,890+18.2% | Added |
| Burgundy Asset Management Ltd. | 1,768,782 | $44.1M | 0.46% | +318,254+21.9% | Added |
| TD Waterhouse Canada Inc. | 1,673,096 | $41.5M | 0.34% | +37,872+2.3% | Added |
| Clearbridge Investments, LLC | 1,601,599 | $39.9M | 0.03% | −26,147−1.6% | Reduced |
| FMR LLC | 1,486,643 | $37.1M | 0.00% | −609,826−29.1% | Reduced |
| Invesco Ltd. | 1,402,085 | $35.0M | 0.01% | −209,055−13.0% | Reduced |
| Hill City Capital, LP | 1,299,857 | $32.4M | 2.41% | +1,299,857 | New |
| Mackenzie Financial Corp | 1,200,263 | $29.9M | 0.04% | +68,342+6.0% | Added |
| Capital World Investors | 1,196,000 | $29.8M | 0.00% | −2,253,762−65.3% | Reduced |
| TD Asset Management Inc | 1,156,862 | $28.8M | 0.03% | +280,831+32.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 1,111,800 | $27.7M | 0.06% | −61,352−5.2% | Reduced |
| Bank of America Corp | 1,055,964 | $26.3M | 0.00% | +247,912+30.7% | Added |
| Bank of Montreal | 1,045,567 | $26.1M | 0.01% | +83,156+8.6% | Added |
| Norges Bank | 1,027,456 | $25.6M | 0.00% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 966,127 | $24.1M | 0.16% | −120,573−11.1% | Reduced |
| Janus Henderson Group PLC | 922,164 | $24.0M | 0.01% | −540−0.1% | Reduced |
| 1832 Asset Management L.P. | 845,052 | $21.1M | 0.04% | +182,163+27.5% | Added |
| FIL Ltd | 816,427 | $20.4M | 0.02% | −1,048,637−56.2% | Reduced |
| Galibier Capital Management Ltd. | 806,997 | $20.1M | 6.27% | +89,426+12.5% | Added |
| Fiera Capital Corp | 723,111 | $18.0M | 0.07% | +1,814+0.3% | Added |
| Moore Capital Management, LP | 722,482 | $18.0M | 0.60% | +722,482 | New |
| Principal Financial Group Inc | 696,840 | $17.4M | 0.01% | +28,700+4.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 641,202 | $16.0M | 0.04% | +202,900+46.3% | Added |
| Scheer, Rowlett & Associates Investment Management Ltd. | 632,491 | $15.8M | 1.17% | +483,507+324.5% | Added |
| Canoe Financial LP | 613,299 | $15.3M | 0.25% | −28,690−4.5% | Reduced |
| Agf Management Ltd | 541,730 | $13.5M | 0.07% | 00.0% | Unchanged |
| Nicola Wealth Management Ltd. | 523,300 | $13.0M | 1.27% | +96,000+22.5% | Added |
| Massachusetts Financial Services Co | 513,106 | $12.8M | 0.00% | −25,709−4.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 483,488 | $11.8M | 0.06% | −66,272−12.1% | Reduced |
| Legal & General Group Plc | 461,204 | $11.5M | 0.00% | +39,322+9.3% | Added |
| Rockefeller Capital Management L.P. | 449,550 | $11.2M | 0.03% | +44,727+11.0% | Added |
| Goldman Sachs Group Inc | 434,044 | $10.8M | 0.00% | +191,842+79.2% | Added |
| National Bank of Canada | 422,344 | $10.3M | 0.01% | −71,257−14.4% | Reduced |
| Foresight Group Ltd Liability Partnership | 386,294 | $9.63M | 1.38% | +386,294 | New |
| Dixon Mitchell Investment Counsel Inc. | 356,125 | $8.88M | 0.40% | +19,600+5.8% | Added |
| CIBC World Markets Inc. | 346,179 | $8.63M | 0.02% | +9,977+3.0% | Added |
| UBS Group AG | 336,740 | $8.39M | 0.00% | −11,306−3.2% | Reduced |
| Heathbridge Capital Management Ltd. | 323,300 | $8.07M | 3.28% | −5,700−1.7% | Reduced |
| Morgan Stanley | 301,687 | $7.52M | 0.00% | −10,133−3.2% | Reduced |
| Front Street Capital Management, Inc. | 288,962 | $7.20M | 1.37% | +8,132+2.9% | Added |
| Allspring Global Investments Holdings, LLC | 251,058 | $6.26M | 0.01% | −32,800−11.6% | Reduced |
| Select Equity Group, L.P. | 242,640 | $6.05M | 0.03% | +242,640 | New |
| Lombard Odier Asset Management (Europe) Ltd | 114,315 | $5.90M | 0.47% | +48,478+73.6% | Added |
| Van Berkom & Associates Inc. | 231,789 | $5.78M | 0.19% | −3,776−1.6% | Reduced |
| Charles Schwab Investment Management Inc | 200,610 | $5.00M | 0.00% | +2,208+1.1% | Added |
| Scotia Capital Inc. | 196,261 | $4.79M | 0.03% | +4,458+2.3% | Added |
| Swiss National Bank | 162,300 | $4.05M | 0.00% | −2,200−1.3% | Reduced |
| Granite Investment Partners, LLC | 157,681 | $3.93M | 0.20% | +14,195+9.9% | Added |
| Jarislowsky, Fraser Ltd | 137,520 | $3.43M | 0.02% | +2,985+2.2% | Added |
| Envestnet Asset Management Inc | 126,293 | $3.15M | 0.00% | +16,372+14.9% | Added |
| Manufacturers Life Insurance Company, The | 123,055 | $3.08M | 0.00% | −514,330−80.7% | Reduced |
| Boothbay Fund Management, LLC | 122,765 | $3.06M | 0.11% | −7,711−5.9% | Reduced |
| Royce & Associates LP | 120,500 | $3.00M | 0.03% | +45,000+59.6% | Added |
| First Trust Advisors LP | 116,706 | $2.91M | 0.00% | +13,209+12.8% | Added |
| Waratah Capital Advisors Ltd. | 107,175 | $2.67M | 0.18% | +107,175 | New |
| CIBC Asset Management Inc | 103,378 | $2.58M | 0.01% | −219,335−68.0% | Reduced |
| Natixis Advisors, L.P. | 86,147 | $2.15M | 0.00% | −8,283−8.8% | Reduced |
| UBS Asset Management Americas Inc | 81,886 | $2.04M | 0.00% | −1,685−2.0% | Reduced |
| Russell Investments Group, Ltd. | 80,236 | $2.00M | 0.00% | +14,778+22.6% | Added |
| Nuveen, LLC | 66,106 | $1.65M | 0.00% | +66,106 | New |
| Caldwell Investment Management Ltd. | 60,800 | $1.57M | 1.16% | +12,700+26.4% | Added |
| Toronto Dominion Bank | 60,576 | $1.51M | 0.00% | +4,816+8.6% | Added |
| Aviso Financial Inc. | 50,201 | $1.25M | 0.06% | +4,520+9.9% | Added |
| British Columbia Investment Management Corp | 46,871 | $1.17M | 0.01% | −420,008−90.0% | Reduced |
| Geode Capital Management, LLC | 43,250 | $1.09M | 0.00% | +2,196+5.3% | Added |
| Dimensional Fund Advisors LP | 43,573 | $1.09M | 0.00% | +6,110+16.3% | Added |
| Gluskin Sheff & Assoc Inc | 43,299 | $1.08M | 0.14% | −14,949−25.7% | Reduced |
| Jane Street Group, LLC | 42,085 | $1.05M | 0.00% | +9,636+29.7% | Added |
| Ewing Morris & Co. Investment Partners Ltd. | 28,280 | $1.01M | 0.32% | 00.0% | Unchanged |
| Amundi | 30,538 | $770.5K | 0.00% | +1,562+5.4% | Added |
| D. E. Shaw & Co., Inc. | 30,900 | $770.3K | 0.00% | −1,400−4.3% | Reduced |
| Public Employees Retirement System of Ohio | 29,771 | $742.1K | 0.00% | +3,396+12.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 23,128 | $576.4K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 21,800 | $543.5K | 0.00% | +4,217+24.0% | Added |
| Bank of Nova Scotia Trust Co | 17,713 | $441.6K | 0.05% | +2,372+15.5% | Added |
| Caption Management, LLC | 17,607 | $438.9K | 0.02% | +17,607 | New |
| Mariner, LLC | 17,400 | $433.9K | 0.00% | +8,072+86.5% | Added |
| Franklin Resources Inc | 15,935 | $397.3K | 0.00% | −2,187−12.1% | Reduced |
| Nebula Research & Development LLC | 14,704 | $366.6K | 0.03% | +3,623+32.7% | Added |
| Pictet Asset Management Holding SA | 14,099 | $351.4K | 0.00% | −776−5.2% | Reduced |
| Alliancebernstein L.P. | 14,000 | $349.0K | 0.00% | −1,021,524−98.6% | Reduced |
| Wells Fargo & Company | 13,677 | $341.3K | 0.00% | +1,402+11.4% | Added |
| Standard Life Aberdeen plc | 13,336 | $332.5K | 0.00% | +69+0.5% | Added |
| Dynasty Wealth Management, LLC | 12,934 | $322.4K | 0.01% | +196+1.5% | Added |
| Tower Research Capital LLC (TRC) | 12,715 | $317.0K | 0.01% | +10,544+485.7% | Added |
| Cresset Asset Management, LLC | 12,464 | $310.7K | 0.00% | −3,240−20.6% | Reduced |
| TRUE Private Wealth Advisors | 12,080 | $301.2K | 0.04% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 11,241 | $280.2K | 0.00% | +8+0.1% | Added |
| Procyon Private Wealth Partners, LLC | 11,084 | $276.3K | 0.02% | +1,456+15.1% | Added |
| Engineers Gate Manager LP | 10,459 | $260.7K | 0.00% | +1,469+16.3% | Added |
| Hantz Financial Services, Inc. | 8,821 | $220.0K | 0.00% | +57+0.7% | Added |
| Citigroup Inc | 8,459 | $210.8K | 0.00% | −410−4.6% | Reduced |