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 2026
Institutional positions in ATS Corp as of Jun 30, 2026. 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
- 141
- +11 vs. Q1 2026
- Shares held
- 81.6M
- −1.18M (−1.4%) vs. Q1 2026
- Total value
- $2.37B
- +$43.5M (+1.9%) vs. Q1 2026
- New holders
- 25
- 55 more added
- Sold out
- 14
- 46 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding ATS Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Goldman Sachs Group Inc | 223,762 | $6.44M | 0.00% | +171,511+328.2% | Added |
| Morgan Stanley | 234,236 | $6.74M | 0.00% | +133,846+133.3% | Added |
| Charles Schwab Investment Management Inc | 243,525 | $7.02M | 0.00% | +4,871+2.0% | Added |
| Roubaix Capital, LLC | 246,909 | $7.11M | 2.55% | +246,909 | New |
| Vanguard Global Advisers, LLC | 274,103 | $7.90M | 0.00% | +15,105+5.8% | Added |
| ArrowMark Colorado Holdings LLC | 280,000 | $8.06M | 0.34% | +106,000+60.9% | Added |
| CIBC World Markets Inc. | 327,087 | $9.42M | 0.02% | −19,519−5.6% | Reduced |
| Waratah Capital Advisors Ltd. | 334,923 | $9.64M | 0.74% | +110,940+49.5% | Added |
| 1832 Asset Management L.P. | 355,745 | $10.2M | 0.01% | −45,951−11.4% | Reduced |
| Public Sector Pension Investment Board | 378,001 | $10.9M | 0.03% | +21,164+5.9% | Added |
| Toronto Dominion Bank | 406,916 | $11.7M | 0.02% | +313,741+336.7% | Added |
| Langdon Equity Partners | 600,000 | $17.3M | 9.66% | +600,000 | New |
| Vanguard Fiduciary Trust Co | 724,271 | $20.9M | 0.00% | −3,787−0.5% | Reduced |
| Mackenzie Financial Corp | 524,774 | $21.5M | 0.02% | −91,730−14.9% | Reduced |
| Massachusetts Financial Services Co | 540,733 | $22.1M | 0.01% | +6,776+1.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 788,784 | $22.7M | 0.03% | +30,471+4.0% | Added |
| National Bank of Canada | 855,316 | $24.2M | 0.02% | +207,034+31.9% | Added |
| Marathon Asset Mgmt Ltd | 954,485 | $27.5M | 1.12% | −139,426−12.7% | Reduced |
| TD Asset Management Inc | 1,003,596 | $28.9M | 0.03% | −418,863−29.4% | Reduced |
| Legal & General Group Plc | 1,056,408 | $30.4M | 0.01% | +444,719+72.7% | Added |
| Clearbridge Investments, LLC | 1,060,487 | $30.5M | 0.03% | −30,804−2.8% | Reduced |
| Norges Bank | 1,084,181 | $31.2M | 0.00% | +1,084,181 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 1,089,460 | $31.4M | 0.06% | −1,175,297−51.9% | Reduced |
| Bank of America Corp | 1,122,152 | $32.3M | 0.00% | +176,277+18.6% | Added |
| Kempen Capital Management N.V. | 795,619 | $32.5M | 0.25% | −67,867−7.9% | Reduced |
| Scheer, Rowlett & Associates Investment Management Ltd. | 1,175,268 | $33.8M | 2.43% | −6,669−0.6% | Reduced |
| Alberta Investment Management Corp | 1,177,491 | $33.9M | 0.20% | +237,300+25.2% | Added |
| FIL Ltd | 1,326,851 | $38.2M | 0.03% | −451,330−25.4% | Reduced |
| ACK Asset Management LLC | 1,500,000 | $43.2M | 5.04% | −346,196−18.8% | Reduced |
| TD Waterhouse Canada Inc. | 1,683,683 | $47.4M | 0.12% | +49,234+3.0% | Added |
| Hill City Capital, LP | 1,649,857 | $47.5M | 1.11% | 00.0% | Unchanged |
| Jupiter Topco LLC | 2,322,073 | $66.9M | 0.03% | +2,322,073 | New |
| Vanguard Capital Management LLC | 2,398,431 | $69.1M | 0.00% | +31,701+1.3% | Added |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 2,486,400 | $70.5M | 2.67% | 00.0% | Unchanged |
| FMR LLC | 2,905,456 | $83.7M | 0.00% | +627,984+27.6% | Added |
| Bank of Montreal | 3,062,973 | $88.2M | 0.03% | −52,387−1.7% | Reduced |
| Turtle Creek Asset Management Inc. | 3,084,567 | $88.8M | 3.47% | −1,812,102−37.0% | Reduced |
| Beutel, Goodman & Co Ltd. | 4,796,922 | $138.2M | 1.02% | −657,827−12.1% | Reduced |
| EdgePoint Investment Group Inc. | 7,004,577 | $201.7M | 1.52% | −163,535−2.3% | Reduced |
| Royal Bank of Canada | 7,881,423 | $226.8M | 0.04% | +119,585+1.5% | Added |
| Mason Capital Management LLC | 16,404,170 | $472.1M | 77.78% | 00.0% | Unchanged |
| Vinva Investment Management Ltd | 0 | $0 | 0.00% | −2,088,947−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −620,840−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −179,500−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −30,200−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −27,538−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −14,124−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −9,920−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −8,424−100.0% | Sold out |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −7,994−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −214−100.0% | Sold out |
| Wellington-Altus USA Inc. | 0 | $0 | 0.00% | −125−100.0% | Sold out |
| Bank of Jackson Hole Trust | 0 | $0 | 0.00% | −113−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |