ATS CORP ATS
$27.68
-1.7% 52w: $24.24 – $35.38
Latest 13F among current holders filed 17 days ago (Jun 18, 2026)
Price — last 12 months
research preview data24.2429.8135.38
Jun 20, 2025 Jul 2, 2026
Institutional holders
129
+8 QoQ
13F value
$2.39B
+4.3% QoQ
Smart-money holders
17
signal tier ≥ 2
New smart buyers
1
Q1 2026
Options barometer
1.0×
$612K calls / $612K puts
Institutional value by quarter
Number of holders
Who owns ATS?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| MASON CAPITAL MANAGEMENT LLC ★2 | Fundamental diversified | 16.4M | $462.6M | 75.5% | +5.4% |
| ROYAL BANK OF CANADA | Bank broker | 7.8M | $218.9M | 0.0% | +1.5% |
| EdgePoint Investment Group Inc. ★3 | Fundamental concentrated | 7.2M | $202.1M | 1.6% | +4.1% |
| Beutel, Goodman & Co Ltd. | Other | 5.5M | $153.3M | 1.0% | -6.6% |
| TURTLE CREEK ASSET MANAGEMENT INC. ★3 | Fundamental concentrated | 4.9M | $138.1M | 5.2% | -13.2% |
| BANK OF MONTREAL /CAN/ | Bank broker | 3.1M | $87.8M | 0.0% | +3.1% |
| FAIRFAX FINANCIAL HOLDINGS LTD/ CAN ★2 | Value conviction | 2.5M | $69.4M | 3.6% | Held |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.4M | $66.7M | 0.0% | — |
| JANUS HENDERSON GROUP PLC | Diversified mechanical | 2.3M | $64.5M | 0.0% | +166.5% |
| FMR LLC | Long only active | 2.3M | $64.2M | 0.0% | +7.5% |
| Connor, Clark & Lunn Investment Management Ltd. | Diversified mechanical | 2.3M | $63.8M | 0.1% | -8.9% |
| ACK Asset Management LLC ★2 | Fundamental concentrated | 1.8M | $52.1M | 6.5% | Held |
| FIL Ltd | Other | 1.8M | $50.1M | 0.0% | +3219.4% |
| TD Waterhouse Canada Inc. | Diversified mechanical | 1.6M | $46.9M | 0.1% | +69.1% |
| Hill City Capital, LP ★3 | Fundamental concentrated | 1.6M | $46.5M | 1.7% | Held |
| TD Asset Management Inc | Diversified mechanical | 1.4M | $40.0M | 0.0% | +19.2% |
| Vinva Investment Management Ltd | Other | 2.1M | $36.5M | 0.5% | New |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | Other | 863.5K | $33.9M | 0.3% | +5.9% |
| Scheer, Rowlett & Associates Investment Management Ltd. ★3 | Fundamental concentrated | 1.2M | $33.3M | 2.4% | -3.6% |
| Clearbridge Investments, LLC | Other | 1.1M | $30.8M | 0.0% | -1.8% |
| Marathon Asset Management Ltd ★2 | Fundamental diversified | 1.1M | $30.7M | 1.2% | -0.3% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 945.9K | $26.7M | 0.0% | -14.0% |
| Alberta Investment Management Corp | Other | 940.2K | $26.5M | 0.2% | -29.9% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Index provider | 758.3K | $21.3M | 0.0% | -33.6% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Other | 534.0K | $20.9M | 0.0% | -4.4% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 728.1K | $20.5M | 0.0% | — |
| NATIONAL BANK OF CANADA /FI/ | Diversified mechanical | 648.3K | $18.1M | 0.0% | +55.0% |
| PRINCIPAL FINANCIAL GROUP INC | Diversified mechanical | 620.8K | $17.4M | 0.0% | -29.3% |
| MACKENZIE FINANCIAL CORP | Diversified mechanical | 616.5K | $17.4M | 0.0% | -18.8% |
| Legal & General Group Plc | Diversified mechanical | 611.7K | $17.2M | 0.0% | +12.9% |
| Van Berkom & Associates Inc. | Other | 514.7K | $14.5M | 0.2% | +91.2% |
| 1832 Asset Management L.P. | Other | 401.7K | $11.3M | 0.0% | -50.9% |
| Public Sector Pension Investment Board | Pension sovereign | 356.8K | $10.1M | 0.0% | +24.0% |
| CIBC WORLD MARKET INC. | Diversified mechanical | 346.6K | $9.8M | 0.0% | -2.1% |
| Invesco Ltd. | Index provider | 343.2K | $9.7M | 0.0% | -73.0% |
| Front Street Capital Management, Inc. ★2 | Fundamental diversified | 261.1K | $7.4M | 1.0% | -9.0% |
| Vanguard Global Advisers, LLC | Diversified mechanical | 259.0K | $7.3M | 0.0% | — |
| FRANKLIN RESOURCES INC | Long only active | 247.5K | $7.0M | 0.0% | +874.8% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 238.7K | $6.7M | 0.0% | +1.0% |
| UBS Group AG | Bank broker | 227.6K | $6.4M | 0.0% | -0.5% |
| Waratah Capital Advisors Ltd. | Quant stat arb | 224.0K | $6.3M | 0.6% | New |
| Dixon Mitchell Investment Counsel Inc. ★2 | Fundamental diversified | 211.0K | $5.9M | 0.2% | Held |
| SCOTIA CAPITAL INC. | Other | 192.5K | $5.4M | 0.0% | -1.3% |
| Focus Partners Wealth | Wealth advisor | 182.0K | $5.1M | 0.0% | Held |
| ROYCE & ASSOCIATES LP | Other | 179.5K | $5.1M | 0.0% | +9.1% |
| ArrowMark Colorado Holdings LLC | Other | 174.0K | $4.9M | 0.1% | New |
| Granite Investment Partners, LLC | Other | 173.0K | $4.9M | 0.3% | -15.1% |
| MONTRUSCO BOLTON INVESTMENTS INC. ★2 | Fundamental diversified | 171.0K | $4.8M | 0.1% | -32.9% |
| SEI INVESTMENTS CO | Diversified mechanical | 167.8K | $4.7M | 0.0% | +70.0% |
| Swiss National Bank | Index provider | 164.4K | $4.6M | 0.0% | Held |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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