ATSNYSEGeneral Industrial Machinery & Equipment, NECFiscal year ends March 31
ATS Corp /ATS
Financials through fiscal 2025, year ended Mar 31, 2025Last filing: 40-F on May 28, 2026
$18.18+0.00 (0.00%)
Close on Oct 19, 2026
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
83.2%
82M of 98M shares
Institutional holders
140
25 new, 13 sold out
Net institutional buying
-1M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Royal Bank of Canada | 6,486,790 | 6.62% | 13G (passive) amendment | Dec 31, 2025 |
| EdgePoint Investment Group Inc. | 6,434,005 | 6.59% | 13G (passive) amendment | Jun 30, 2025 |
| Kenneth M. Garschina | 15,278,715 | 15.60% | 13G (passive) amendment | Sep 30, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of ATS | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Mason Capital Management LLC | 16,404,170 | 16.72% | $472.11M | – | 77.78% |
| Royal Bank of Canada | 7,881,423 | 8.03% | $226.83M | +119,585 | 0.03% |
| EdgePoint Investment Group Inc. | 7,004,577 | 7.14% | $201.70M | −163,535 | 1.52% |
| Beutel, Goodman & Co Ltd. | 4,796,922 | 4.89% | $138.22K | −657,827 | 1.02% |
| Turtle Creek Asset Management Inc. | 3,084,567 | 3.14% | $88.77M | −1,812,102 | 3.47% |
| Bank Of Montreal /Can/ | 3,062,973 | 3.12% | $88.20M | −52,387 | 0.03% |
| FMR LLC | 2,905,456 | 2.96% | $83.75M | +627,984 | 0.00% |
| Fairfax Financial Holdings Ltd/ Can | 2,486,400 | 2.53% | $70.49M | – | 2.67% |
| Vanguard Capital Management LLC | 2,398,431 | 2.44% | $69.13M | +31,701 | 0.00% |
| Jupiter Topco LLC | 2,322,073 | 2.37% | $66.91M | New | 0.03% |
| TD Waterhouse Canada Inc. | 1,683,683 | 1.72% | $47.43M | +49,234 | 0.12% |
| Hill City Capital, LP | 1,649,857 | 1.68% | $47.48M | – | 1.11% |
| ACK Asset Management LLC | 1,500,000 | 1.53% | $43.17M | −346,196 | 5.04% |
| FIL Ltd | 1,326,851 | 1.35% | $38.24M | −451,330 | 0.03% |
| Alberta Investment Management Corp | 1,177,491 | 1.20% | $33.90M | +237,300 | 0.19% |
| Scheer, Rowlett & Associates Investment Management Ltd. | 1,175,268 | 1.20% | $33.84M | −6,669 | 2.43% |
| Bank Of America Corp /De/ | 1,122,152 | 1.14% | $32.30M | +176,277 | 0.00% |
| Connor, Clark & Lunn Investment Management Ltd. | 1,089,460 | 1.11% | $31.37M | −1,175,297 | 0.06% |
| Norges Bank | 1,084,181 | 1.11% | $31.22M | New | 0.00% |
| Clearbridge Investments, LLC | 1,060,487 | 1.08% | $30.52M | −30,804 | 0.03% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 140 | 82M | 83.2% | 25 / 55 | 45 / 13 | 8M | 10M |
| Q1 2026 | 130 | 85M | 87.0% | 23 / 47 | 38 / 14 | 13M | 8M |
| Q4 2025 | 122 | 83M | 84.8% | 24 / 41 | 42 / 13 | 7M | 5M |
| Q3 2025 | 115 | 84M | 85.1% | 15 / 40 | 46 / 31 | 4M | 14M |
| Q2 2025 | 131 | 94M | 95.7% | 21 / 48 | 51 / 12 | 14M | 7M |
| Q1 2025 | 122 | 87M | 89.0% | 10 / 60 | 44 / 16 | 10M | 10M |
| Q4 2024 | 129 | 88M | 89.8% | 14 / 55 | 48 / 14 | 19M | 12M |
| Q3 2024 | 130 | 81M | 82.6% | 19 / 56 | 42 / 20 | 17M | 18M |
| Q2 2024 | 132 | 82M | 83.4% | 18 / 60 | 39 / 19 | 15M | 10M |
| Q1 2024 | 136 | 78M | 79.0% | 19 / 69 | 40 / 15 | 9M | 8M |
| Q4 2023 | 132 | 76M | 77.8% | 18 / 57 | 43 / 13 | 6M | 5M |
| Q3 2023 | 127 | 75M | 76.4% | 14 / 54 | 41 / 15 | 5M | 6M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of ATS | Value | % of fund | As of |
|---|---|---|---|---|---|
| Fidelity Value Fund | 1,516,100 | 1.55% | $29.51M | 0.39% | Jul 31, 2026 |
| Vanguard Total International Stock Index Fund | 1,209,815 | 1.23% | $46.28M | 0.01% | Jul 31, 2026 |
| ROBO Global Robotics and Automation Index ETF | 1,147,189 | 1.17% | $22.30M | 1.57% | Jul 31, 2026 |
| Janus Henderson Venture Fund | 838,630 | 0.85% | $17.05M | 0.67% | Jun 30, 2026 |
| Vanguard Developed Markets Index Fund | 807,800 | 0.82% | $33.02M | 0.01% | Jun 30, 2026 |
| Global X Robotics & Artificial Intelligence ETF | 742,658 | 0.76% | $16.68M | 0.61% | May 31, 2026 |
| Janus Henderson Global Research Fund | 708,510 | 0.72% | $14.40M | 0.43% | Jun 30, 2026 |
| T. Rowe Price International Discovery Fund | 580,734 | 0.59% | $11.30M | 0.24% | Jul 31, 2026 |
| The Canadian Small Company Series | 428,384 | 0.44% | $8.34M | 0.58% | Jul 31, 2026 |
| Vanguard Ftse All-World Ex-US Small-Cap Index Fund | 315,591 | 0.32% | $12.07M | 0.06% | Jul 31, 2026 |
| Meridian Contrarian Fund | 280,000 | 0.29% | $8.06M | 1.19% | Jun 30, 2026 |
| Fidelity Advisor Value Strategies Fund | 223,400 | 0.23% | $5.01M | 0.31% | May 31, 2026 |
| Fidelity Advisor Multi-Asset Income Fund | 221,151 | 0.23% | $4.49M | 0.18% | Jun 30, 2026 |
| First Trust Nasdaq Artificial Intelligence and Robotics ETF | 181,592 | 0.19% | $3.69M | 0.72% | Jun 30, 2026 |
| International Core Equity 2 Portfolio | 176,730 | 0.18% | $3.44M | 0.01% | Jul 31, 2026 |