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, Q3 2023
Institutional positions in ATS Corp as of Sep 30, 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
- 127
- −2 vs. Q2 2023
- Shares held
- 74.9M
- −1.24M (−1.6%) vs. Q2 2023
- Total value
- $3.21B
- −$321.5M (−9.1%) vs. Q2 2023
- New holders
- 14
- 54 more added
- Sold out
- 16
- 41 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mason Capital Management LLC | 17,849,765 | $760.8M | 65.44% | 00.0% | Unchanged |
| Capital International Investors | 5,943,254 | $253.4M | 0.06% | +37,135+0.6% | Added |
| FMR LLC | 5,371,545 | $229.0M | 0.02% | +919,932+20.7% | Added |
| Capital World Investors | 4,110,014 | $175.2M | 0.03% | 00.0% | Unchanged |
| Royal Bank of Canada | 2,890,916 | $123.2M | 0.04% | −197,899−6.4% | Reduced |
| Vanguard Group Inc | 2,852,701 | $121.6M | 0.00% | +229,765+8.8% | Added |
| Turtle Creek Asset Management Inc. | 2,408,980 | $102.7M | 2.93% | +79,849+3.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 2,326,984 | $99.2M | 0.52% | +385,292+19.8% | Added |
| EdgePoint Investment Group Inc. | 2,071,478 | $88.3M | 0.84% | −103,184−4.7% | Reduced |
| Clearbridge Investments, LLC | 1,650,746 | $70.4M | 0.07% | −950.0% | Reduced |
| Janus Henderson Group PLC | 1,543,812 | $66.1M | 0.04% | −10,421−0.7% | Reduced |
| Mackenzie Financial Corp | 1,617,505 | $64.7M | 0.11% | +446,568+38.1% | Added |
| TD Waterhouse Canada Inc. | 1,021,720 | $55.3M | 0.58% | +234,493+29.8% | Added |
| Alliancebernstein L.P. | 1,234,573 | $52.6M | 0.02% | +103,537+9.2% | Added |
| Waratah Capital Advisors Ltd. | 1,230,505 | $52.5M | 2.41% | +75,854+6.6% | Added |
| ACK Asset Management LLC | 1,221,341 | $52.1M | 7.56% | 00.0% | Unchanged |
| Beutel, Goodman & Co Ltd. | 1,156,015 | $49.5M | 0.29% | +5,880+0.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 967,580 | $41.4M | 0.09% | −10,541−1.1% | Reduced |
| Norges Bank | 859,806 | $36.7M | 0.01% | −23,493−2.7% | Reduced |
| American Century Companies Inc | 773,030 | $33.0M | 0.03% | −81,895−9.6% | Reduced |
| Canoe Financial LP | 710,581 | $30.3M | 0.85% | −34,508−4.6% | Reduced |
| Bank of Montreal | 683,387 | $30.3M | 0.01% | +7,411+1.1% | Added |
| Alberta Investment Management Corp | 646,400 | $27.7M | 0.30% | +17,400+2.8% | Added |
| TD Asset Management Inc | 590,876 | $25.3M | 0.03% | +86,281+17.1% | Added |
| State of Wisconsin Investment Board | 574,866 | $24.6M | 0.08% | −122,821−17.6% | Reduced |
| Triasima Portfolio Management inc. | 570,080 | $24.4M | 2.24% | +33,608+6.3% | Added |
| Massachusetts Financial Services Co | 506,823 | $21.6M | 0.01% | −8,517−1.7% | Reduced |
| Rockefeller Capital Management L.P. | 500,690 | $21.3M | 0.08% | +458,078+1,075.0% | Added |
| Fiera Capital Corp | 492,745 | $21.1M | 0.07% | −82,725−14.4% | Reduced |
| Natixis Advisors, L.P. | 477,975 | $20.4M | 0.06% | +37,286+8.5% | Added |
| Manufacturers Life Insurance Company, The | 469,388 | $20.2M | 0.01% | −570,763−54.9% | Reduced |
| Aviva PLC | 452,084 | $19.3M | 0.08% | +13,105+3.0% | Added |
| Principal Financial Group Inc | 445,380 | $19.1M | 0.01% | −24,850−5.3% | Reduced |
| T. Rowe Price Investment Management, Inc. | 447,449 | $19.1M | 0.01% | 00.0% | Unchanged |
| FIL Ltd | 401,976 | $17.1M | 0.02% | −1,446,622−78.3% | Reduced |
| Legal & General Group Plc | 392,986 | $16.8M | 0.01% | +392,986 | New |
| Morgan Stanley | 390,161 | $16.6M | 0.00% | −55,773−12.5% | Reduced |
| CIBC World Markets Inc. | 372,064 | $15.9M | 0.06% | +2,320+0.6% | Added |
| CIBC Asset Management Inc | 363,979 | $15.6M | 0.06% | −34,353−8.6% | Reduced |
| National Bank of Canada | 357,545 | $14.3M | 0.03% | −1,955−0.5% | Reduced |
| JPMorgan Chase & Co | 320,202 | $13.6M | 0.00% | −17,566−5.2% | Reduced |
| Capital Group Private Client Services, Inc. | 309,808 | $13.2M | 0.16% | +6,622+2.2% | Added |
| Arosa Capital Management LP | 218,200 | $12.6M | 4.44% | +218,200 | New |
| 1832 Asset Management L.P. | 295,260 | $12.6M | 0.03% | −47,600−13.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 250,081 | $10.7M | 0.11% | +237,789+1,934.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 243,902 | $10.4M | 0.05% | 00.0% | Unchanged |
| Capital International Inc | 225,939 | $9.63M | 0.18% | +22,660+11.1% | Added |
| Barometer Capital Management Inc. | 154,515 | $8.95M | 2.82% | −9,220−5.6% | Reduced |
| Covalis Capital LLP | 196,140 | $8.40M | 1.49% | +196,140 | New |
| Scotia Capital Inc. | 193,721 | $8.24M | 0.06% | +15,152+8.5% | Added |
| Van Berkom & Associates Inc. | 189,788 | $8.13M | 0.26% | +1,262+0.7% | Added |
| Swiss National Bank | 186,400 | $8.01M | 0.01% | +26,500+16.6% | Added |
| Public Sector Pension Investment Board | 173,047 | $7.41M | 0.05% | +3,046+1.8% | Added |
| D. E. Shaw & Co., Inc. | 170,900 | $7.29M | 0.01% | +44,000+34.7% | Added |
| Credit Suisse AG | 125,053 | $7.24M | 0.01% | +6,017+5.1% | Added |
| Agf Management Ltd | 164,301 | $7.00M | 0.05% | +101,909+163.3% | Added |
| Hillsdale Investment Management Inc. | 159,700 | $6.80M | 0.62% | −6,900−4.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 156,600 | $6.67M | 0.06% | −110,200−41.3% | Reduced |
| Caldwell Investment Management Ltd. | 151,400 | $6.45M | 6.27% | −35,400−19.0% | Reduced |
| Invesco Ltd. | 149,608 | $6.38M | 0.00% | −2,777−1.8% | Reduced |
| Royce & Associates LP | 128,150 | $5.46M | 0.06% | 00.0% | Unchanged |
| NewGen Asset Management Ltd | 115,800 | $4.94M | 3.80% | +19,700+20.5% | Added |
| Envestnet Asset Management Inc | 102,025 | $4.35M | 0.00% | +74,770+274.3% | Added |
| Goldman Sachs Group Inc | 100,965 | $4.30M | 0.00% | −127,179−55.7% | Reduced |
| Guardian Capital LP | 95,227 | $4.08M | 0.15% | −74,796−44.0% | Reduced |
| Renaissance Technologies LLC | 89,700 | $3.83M | 0.01% | +79,400+770.9% | Added |
| Millennium Management LLC | 84,581 | $3.61M | 0.00% | +30,634+56.8% | Added |
| Dixon Mitchell Investment Counsel Inc. | 83,025 | $3.55M | 0.21% | 00.0% | Unchanged |
| Burgundy Asset Management Ltd. | 76,482 | $3.27M | 0.04% | −24,559−24.3% | Reduced |
| Capital International Sarl | 76,231 | $3.26M | 0.15% | −8,203−9.7% | Reduced |
| Handelsbanken Fonder AB | 73,500 | $3.13M | 0.02% | 00.0% | Unchanged |
| Jarislowsky, Fraser Ltd | 59,327 | $2.54M | 0.02% | −1,667−2.7% | Reduced |
| Credential Qtrade Securities Inc. | 58,500 | $2.49M | 0.17% | +1,362+2.4% | Added |
| Capital International Ltd | 50,615 | $2.16M | 0.12% | +2,008+4.1% | Added |
| Russell Investments Group, Ltd. | 48,842 | $2.09M | 0.00% | −3,603−6.9% | Reduced |
| PCJ Investment Counsel Ltd. | 46,220 | $1.97M | 0.91% | −80,305−63.5% | Reduced |
| British Columbia Investment Management Corp | 44,463 | $1.90M | 0.02% | +834+1.9% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 41,621 | $1.77M | 0.09% | +2,257+5.7% | Added |
| O'Shaughnessy Asset Management, LLC | 41,264 | $1.76M | 0.03% | −5,021−10.8% | Reduced |
| Amundi | 44,551 | $1.75M | 0.00% | +44,551 | New |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 40,000 | $1.71M | 0.09% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 35,872 | $1.55M | 0.00% | +4,788+15.4% | Added |
| Toronto Dominion Bank | 33,048 | $1.41M | 0.00% | +28,200+581.7% | Added |
| K.J. Harrison & Partners Inc | 30,650 | $1.31M | 0.30% | +20,150+191.9% | Added |
| UBS Group AG | 27,958 | $1.19M | 0.00% | +27,920+73,473.7% | Added |
| New York State Common Retirement Fund | 20,761 | $884.8K | 0.00% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 20,400 | $869.4K | 0.00% | −1,222−5.7% | Reduced |
| Wells Fargo & Company | 16,573 | $707.8K | 0.00% | −887−5.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,436 | $703.9K | 0.00% | +3,568+27.7% | Added |
| Cidel Asset Management Inc | 16,247 | $695.8K | 0.03% | −5,738−26.1% | Reduced |
| Barclays PLC | 15,370 | $655.1K | 0.00% | +2,097+15.8% | Added |
| Bank of New York Mellon Corp | 13,123 | $559.3K | 0.00% | +4,383+50.1% | Added |
| Tacita Capital Inc | 12,515 | $535.1K | 0.42% | −750−5.7% | Reduced |
| Saturna Capital CORP | 12,307 | $527.1K | 0.01% | +4,440+56.4% | Added |
| TRUE Private Wealth Advisors | 12,323 | $525.2K | 0.07% | 00.0% | Unchanged |
| Knightsbridge Asset Management, LLC | 11,631 | $496.0K | 0.16% | +57+0.5% | Added |
| Pictet Asset Management Holding SA | 11,265 | $482.4K | 0.00% | +11,265 | New |
| Northwest & Ethical Investments L.P. | 11,042 | $470.7K | 0.02% | −36,216−76.6% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 10,730 | $459.5K | 0.03% | 00.0% | Unchanged |
| Bank of Nova Scotia | 9,604 | $409.4K | 0.00% | −2,286−19.2% | Reduced |