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 | $2.39B |
| 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, 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 |
|---|---|---|---|---|---|
| Massachusetts Financial Services Co | 506,823 | $21.6M | 0.01% | −8,517−1.7% | Reduced |
| Triasima Portfolio Management inc. | 570,080 | $24.4M | 2.24% | +33,608+6.3% | Added |
| State of Wisconsin Investment Board | 574,866 | $24.6M | 0.08% | −122,821−17.6% | Reduced |
| TD Asset Management Inc | 590,876 | $25.3M | 0.03% | +86,281+17.1% | Added |
| Alberta Investment Management Corp | 646,400 | $27.7M | 0.30% | +17,400+2.8% | Added |
| Bank of Montreal | 683,387 | $30.3M | 0.02% | +7,411+1.1% | Added |
| Canoe Financial LP | 710,581 | $30.3M | 0.85% | −34,508−4.6% | Reduced |
| American Century Companies Inc | 773,030 | $33.0M | 0.03% | −81,895−9.6% | Reduced |
| Norges Bank | 859,806 | $36.7M | 0.01% | −23,493−2.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 967,580 | $41.4M | 0.09% | −10,541−1.1% | Reduced |
| Beutel, Goodman & Co Ltd. | 1,156,015 | $49.5M | 0.29% | +5,880+0.5% | Added |
| ACK Asset Management LLC | 1,221,341 | $52.1M | 7.56% | 00.0% | Unchanged |
| Waratah Capital Advisors Ltd. | 1,230,505 | $52.5M | 2.41% | +75,854+6.6% | Added |
| Alliancebernstein L.P. | 1,234,573 | $52.6M | 0.02% | +103,537+9.2% | Added |
| TD Waterhouse Canada Inc. | 1,021,720 | $55.3M | 0.58% | +234,493+29.8% | Added |
| Mackenzie Financial Corp | 1,617,505 | $64.7M | 0.11% | +446,568+38.1% | Added |
| Janus Henderson Group PLC | 1,543,812 | $66.1M | 0.04% | −10,421−0.7% | Reduced |
| Clearbridge Investments, LLC | 1,650,746 | $70.4M | 0.07% | −950.0% | Reduced |
| EdgePoint Investment Group Inc. | 2,071,478 | $88.3M | 0.84% | −103,184−4.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 2,326,984 | $99.2M | 0.52% | +385,292+19.8% | Added |
| Turtle Creek Asset Management Inc. | 2,408,980 | $102.7M | 2.93% | +79,849+3.4% | Added |
| Vanguard Group Inc | 2,852,701 | $121.6M | 0.00% | +229,765+8.8% | Added |
| Royal Bank of Canada | 2,890,916 | $123.2M | 0.04% | −197,899−6.4% | Reduced |
| Capital World Investors | 4,110,014 | $175.2M | 0.03% | 00.0% | Unchanged |
| FMR LLC | 5,371,545 | $229.0M | 0.02% | +919,932+20.7% | Added |
| Capital International Investors | 5,943,254 | $253.4M | 0.06% | +37,135+0.6% | Added |
| Mason Capital Management LLC | 17,849,765 | $760.8M | 65.44% | 00.0% | Unchanged |
| Perpetual Ltd | 0 | $0 | 0.00% | −804,441−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −605,132−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −521,546−100.0% | Sold out |
| Zimmer Partners, LP | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −158,219−100.0% | Sold out |
| Intact Investment Management Inc. | 0 | $0 | 0.00% | −118,670−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −54,105−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −36,948−100.0% | Sold out |
| Element Capital Management LLC | 0 | $0 | 0.00% | −29,497−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −26,869−100.0% | Sold out |
| HN Saltoro Capital, LP | 0 | $0 | 0.00% | −14,250−100.0% | Sold out |
| Community Capital Management, Inc. | 0 | $0 | 0.00% | −7,400−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −169−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Pictet Asset Management SA | – | – | – | – | Not filed |
| PFS Investments Inc. | – | – | – | – | Not filed |