ATS Ownership | Who Owns ATS?
ATS Ownership Summary
ATS is owned by 84.56% institutional investors, 0.83% insiders, and 14.61% retail investors. Mason capital management is the largest institutional shareholder, holding 15.93% of ATS shares.
ATS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | ATS | 84.56% | 0.83% | 14.61% |
| Sector | Industrials Stocks | 46.77% | 12.62% | 40.60% |
| Industry | Industrial Machinery Stocks | 54.58% | 8.80% | 36.63% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Mason capital management | 15.56M | 15.93% | $407.77M |
| Royal bank of canada | 7.20M | 7.37% | $188.69M |
| Turtle creek asset management | 6.97M | 7.14% | $182.69M |
| Edgepoint investment group | 6.38M | 6.53% | $166.91M |
| Beutel, goodman | 6.33M | 6.48% | $165.66M |
| Vanguard group | 3.34M | 3.42% | $87.42M |
| Fairfax financial ltd/ can | 2.49M | 2.55% | $64.13M |
| Connor, clark & lunn investment management | 2.05M | 2.10% | $53.71B |
| Ack asset management | 1.85M | 1.89% | $48.37M |
| Burgundy asset management | 1.81M | 1.85% | $50.01M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Mason capital management | 15.56M | 82.99% | $407.77M |
| Ack asset management | 1.85M | 6.05% | $48.37M |
| Turtle creek asset management | 6.97M | 5.51% | $182.69M |
| Galibier capital management | 447.45K | 3.90% | $11.71M |
| Fairfax financial ltd/ can | 2.49M | 3.11% | $64.13M |
| Roubaix capital | 223.53K | 2.73% | $5.86M |
| Scheer, rowlett & associates investment management | 1.22M | 1.90% | $31.84M |
| Hill city capital, lp | 1.65M | 1.83% | $43.23M |
| Foresight group ltd liability partnership | 388.89K | 1.52% | $10.19M |
| Edgepoint investment group | 6.38M | 1.25% | $166.91M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Van lanschot kempen investment management | 815.68K | 0.27% | 590.10K |
| Hill city capital, lp | 1.65M | 1.83% | 425.00K |
| Scheer, rowlett & associates investment management | 1.22M | 1.90% | 424.88K |
| Alberta investment management | 422.17K | 0.11% | 422.17K |
| Roubaix capital | 223.53K | 2.73% | 223.53K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Capital world investors | - | - | -1.20M |
| Clearbridge investments | 1.13M | 0.02% | -716.65K |
| Turtle creek asset management | 6.97M | 5.51% | -617.53K |
| Moore capital management, lp | - | - | -611.12K |
| Nicola wealth management | - | - | -523.30K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Roubaix capital | 223.53K | 2.73% | 223.53K | $5.86M |
| Colony group | 181.99K | 0.01% | 181.99K | $4.77M |
| Bastion asset management | 72.66K | 1.10% | 72.66K | $1.90M |
| Public sector pension investment board | 61.91K | 0.01% | 61.91K | $1.62M |
| Blackstone | 49.50K | 0.01% | 49.50K | $1.30M |
Sold Out
| Holder | Change |
|---|---|
| Bogart wealth | -1.00 |
| Us bancorp \de\ | -38.00 |
| Blackrock funding, inc. /de | -45.00 |
| Northwestern mutual wealth management | -46.00 |
| Salem investment counselors | -47.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 118 | -13.24% | 82,593,526 | -4.00% | 84 | 1.10% | 52 | -25.71% | 49 | -3.92% |
| Jun 30, 2025 | 135 | 3.05% | 86,037,594 | -0.34% | 87 | 1.13% | 70 | -2.78% | 51 | 18.60% |
| Mar 31, 2025 | 131 | -4.38% | 86,328,006 | 0.59% | 88 | 1.17% | 72 | 4.35% | 43 | -12.24% |
| Dec 31, 2024 | 137 | - | 85,819,480 | 7.33% | 86 | 1.33% | 69 | -8.00% | 49 | 16.67% |
| Sep 30, 2024 | 137 | -0.72% | 79,959,516 | -2.06% | 80 | 1.17% | 75 | -3.85% | 42 | 5.00% |
ATS Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools