Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
728 institutional managers reported holding SU for the quarter ended Mar 31, 2026. Together they hold about 68% of shares outstanding; the top 10 hold 30%. 124 opened new positions; 50 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Royal Bank OF Canada | 64.04M | 5.25% | $4.23B | added +1.5% | ≤2013 |
| Vanguard Group | 56.27M | 4.62% | $3.72B | added +0.8% | 2015 Q1 |
| Elliott Investment Management (focused) | 52.67M | 4.32% | $3.48B | unchanged | 2022 Q1 |
| Bank OF Montreal /CAN/ | 36.48M | 2.99% | $2.41B | unchanged | ≤2013 |
| FIL LTD | 29.09M | 2.39% | $1.92B | added +38.2% | ≤2013 |
| FMR (Fidelity) | 27.17M | 2.23% | $1.80B | added +92.7% | ≤2013 |
| Dodge & Cox | 26.26M | 2.15% | $1.74B | trimmed -3.7% | 2016 Q3 |
| Arrowstreet Capital | 26.09M | 2.14% | $1.72B | added +121.4% | 2021 Q1 |
| TD Asset Management INC | 25.50M | 2.09% | $1.69B | added +10.7% | ≤2013 |
| Fisher Investments | 18.09M | 1.48% | $1.20B | added +7.5% | 2022 Q1 |
| Toronto Dominion Bank | 17.89M | 1.47% | $1.18B | trimmed -3.8% | ≤2013 |
| Principal Financial Group INC | 17.70M | 1.45% | $1.17B | trimmed -8.8% | 2022 Q1 |
| Artisan Partners | 17.26M | 1.42% | $1.14B | trimmed -47.4% | 2020 Q1 |
| GQG Partners | 17.22M | 1.41% | $1.14B | opened | 2026 Q1 |
| 1832 Asset Management L.p. | 16.19M | 1.33% | $1.07B | trimmed -9% | ≤2013 |
| Invesco | 14.75M | 1.21% | $975.0M | trimmed -11% | ≤2013 |
| Connor, Clark & Lunn Investment Management LTD. | 14.52M | 1.19% | $959.9M | added +48.2% | ≤2013 |
| Manufacturers Life Insurance Company, THE | 14.44M | 1.19% | $954.9M | trimmed -13.4% | ≤2013 |
| Mackenzie Financial CORP | 14.16M | 1.16% | $936.0M | added +17.7% | ≤2013 |
| Dimensional Fund Advisors | 12.61M | 1.03% | $833.6M | added +3.4% | ≤2013 |
| Geode Capital | 12.26M | 1.00% | $810.2M | added +2.4% | 2016 Q3 |
| Cibc World Market INC. | 12.23M | 1.00% | $808.8M | trimmed -53.2% | ≤2013 |
| Acadian Asset Management | 11.67M | 0.96% | $771.7M | added +17.1% | 2024 Q2 |
| Cibc Asset Management INC | 11.43M | 0.94% | $755.7M | added +16% | ≤2013 |
| TD Waterhouse Canada INC. | 11.42M | 0.94% | $754.9M | added +163.4% | 2021 Q4 |
| National Bank OF Canada /FI/ | 10.25M | 0.84% | $677.6M | trimmed -10.7% | 2021 Q4 |
| CPP Investment Board | 8.90M | 0.73% | $588.7M | added +13.3% | ≤2013 |
| Goldman Sachs | 8.72M | 0.71% | $576.6M | trimmed -29% | ≤2013 |
| Federation des caisses Desjardins du Quebec | 8.56M | 0.70% | $566.0M | added +11.6% | 2017 Q1 |
| Barclays PLC | 7.83M | 0.64% | $517.8M | trimmed -0.9% | ≤2013 |
| Healthcare OF Ontario Pension Plan Trust Fund | 7.76M | 0.64% | $512.9M | added +238.9% | 2024 Q4 |
| Morgan Stanley | 7.51M | 0.62% | $496.4M | trimmed -41.7% | ≤2013 |
| Bank OF America CORP /DE/ | 6.84M | 0.56% | $452.3M | trimmed -21.2% | ≤2013 |
| AQR Capital | 6.12M | 0.50% | $404.5M | added +1.7% | 2024 Q1 |
| UBS | 5.45M | 0.45% | $360.3M | added +116.6% | ≤2013 |
| Bank OF Nova Scotia | 5.17M | 0.42% | $342.1M | added +19.1% | ≤2013 |
| Charles Schwab Investment Management | 5.02M | 0.41% | $331.7M | added +2.9% | 2024 Q2 |
| Capital Research Global Investors | 4.99M | 0.41% | $329.9M | unchanged | 2014 Q2 |
| Wells Fargo & COMPANY/MN | 4.68M | 0.38% | $309.6M | trimmed -8.4% | ≤2013 |
| Amundi | 4.60M | 0.38% | $304.4M | added +2% | 2017 Q4 |
| T. Rowe Price | 4.46M | 0.37% | $294.9M | trimmed -10.9% | 2023 Q1 |
| Scotia Capital INC. | 4.39M | 0.36% | $289.9M | trimmed -0.6% | ≤2013 |
| Legal & General Group PLC | 4.38M | 0.36% | $289.7M | trimmed -5.4% | ≤2013 |
| Beutel, Goodman & CO LTD. | 4.09M | 0.34% | $270.2M | trimmed -8.3% | 2018 Q1 |
| Swiss National Bank | 4.04M | 0.33% | $267.3M | added +26.2% | ≤2013 |
| Franklin Resources | 4.00M | 0.33% | $264.2M | trimmed -15.9% | ≤2013 |
| MFS Investment Management | 3.91M | 0.32% | $258.7M | trimmed -51.8% | ≤2013 |
| Alberta Investment Management CORP | 3.67M | 0.30% | $242.8M | added +73.5% | 2025 Q4 |
| Millennium Management | 3.58M | 0.29% | $236.7M | trimmed -34.7% | 2016 Q3 |
| Cardinal Capital Management, INC. | 3.51M | 0.29% | $232.1M | unchanged | 2014 Q1 |
Largest 50 of 728 shown; the full ranked, searchable register is at boothcheck.com/holders/SU. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.