Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
393 institutional managers reported holding IMO for the quarter ended Mar 31, 2026. Together they hold about 25% of shares outstanding; the top 10 hold 20%. 90 opened new positions; 43 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 55.67M | 11.48% | $7.29B | trimmed -0.9% | ≤2013 |
| First Eagle Investment Management | 13.97M | 2.88% | $1.83B | trimmed -24.9% | 2015 Q3 |
| Vanguard Group | 5.83M | 1.20% | $763.9M | trimmed -12.8% | 2015 Q1 |
| Royal Bank OF Canada | 5.13M | 1.06% | $672.7M | trimmed -25.7% | ≤2013 |
| FIL LTD | 3.68M | 0.76% | $482.4M | added +54.7% | 2018 Q2 |
| TD Asset Management INC | 3.44M | 0.71% | $450.9M | trimmed -11.7% | ≤2013 |
| Bank OF Montreal /CAN/ | 2.70M | 0.56% | $354.2M | trimmed -3.4% | ≤2013 |
| Bank OF America CORP /DE/ | 2.18M | 0.45% | $286.1M | trimmed -24.1% | ≤2013 |
| Goldman Sachs | 2.13M | 0.44% | $279.7M | added +337.2% | ≤2013 |
| Geode Capital | 1.72M | 0.35% | $224.8M | added +1.3% | 2016 Q4 |
| Morgan Stanley | 1.63M | 0.34% | $214.2M | trimmed -12.5% | ≤2013 |
| Connor, Clark & Lunn Investment Management LTD. | 1.21M | 0.25% | $158.1M | trimmed -12.8% | ≤2013 |
| Cibc World Market INC. | 1.13M | 0.23% | $148.1M | trimmed -9.1% | ≤2013 |
| UBS | 1.01M | 0.21% | $132.0M | trimmed -41.1% | ≤2013 |
| Legal & General Group PLC | 883.1k | 0.18% | $115.7M | trimmed -10.8% | ≤2013 |
| Mackenzie Financial CORP | 817.4k | 0.17% | $107.1M | trimmed -26.9% | 2021 Q1 |
| Dimensional Fund Advisors | 797.1k | 0.16% | $104.4M | trimmed -3.3% | ≤2013 |
| TD Waterhouse Canada INC. | 756.3k | 0.16% | $99.1M | added +43.3% | 2021 Q4 |
| National Bank OF Canada /FI/ | 738.0k | 0.15% | $96.7M | trimmed -25.7% | 2021 Q4 |
| Arrowstreet Capital | 710.9k | 0.15% | $93.1M | opened | 2026 Q1 |
| Amundi | 659.2k | 0.14% | $86.4M | trimmed -0.8% | 2017 Q4 |
| Manufacturers Life Insurance Company, THE | 652.8k | 0.14% | $85.5M | trimmed -20.2% | 2015 Q2 |
| Swiss National Bank | 569.7k | 0.12% | $74.6M | added +23.6% | ≤2013 |
| Charles Schwab Investment Management | 515.2k | 0.11% | $67.5M | trimmed -7.6% | 2024 Q2 |
| Bank OF Nova Scotia | 499.2k | 0.10% | $65.4M | trimmed -6.4% | ≤2013 |
| Deutsche Bank AG\ | 495.1k | 0.10% | $64.9M | added +8.3% | ≤2013 |
| Toronto Dominion Bank | 491.8k | 0.10% | $64.4M | unchanged | ≤2013 |
| BlackRock | 457.2k | 0.09% | $59.9M | added +1.4% | 2020 Q4 |
| Fiera Capital CORP | 345.8k | 0.07% | $45.3M | trimmed -17.4% | ≤2013 |
| British Columbia Investment Management CORP | 324.4k | 0.07% | $42.5M | added +124% | 2024 Q1 |
| Invesco | 269.9k | 0.06% | $35.4M | trimmed -21.2% | ≤2013 |
| AQR Capital | 266.7k | 0.06% | $34.9M | trimmed -4% | 2024 Q3 |
| Russell Investments Group, LTD. | 228.0k | 0.05% | $29.9M | trimmed -4.6% | 2016 Q4 |
| BNY Mellon | 227.4k | 0.05% | $29.8M | trimmed -16.2% | ≤2013 |
| Citadel Advisors | 226.9k | 0.05% | $29.7M | added +480% | 2018 Q2 |
| Northern Trust | 223.2k | 0.05% | $29.2M | added +2.1% | ≤2013 |
| Mufg Bank, LTD. | 222.4k | 0.05% | $29.1M | trimmed -5.2% | 2024 Q1 |
| Korea Investment CORP | 211.0k | 0.04% | $27.6M | added +31% | 2016 Q4 |
| Scotia Capital INC. | 204.8k | 0.04% | $26.8M | trimmed -15.4% | ≤2013 |
| Franklin Resources | 202.7k | 0.04% | $26.5M | added +5.2% | ≤2013 |
| QV Investors INC. | 199.4k | 0.04% | $26.1M | trimmed -2.1% | 2025 Q3 |
| Guardian Capital LP | 181.2k | 0.04% | $23.7M | trimmed -10.4% | 2016 Q2 |
| Nuveen | 179.7k | 0.04% | $23.5M | trimmed -3.1% | 2023 Q4 |
| BNP Paribas Financial Markets | 176.5k | 0.04% | $23.1M | trimmed -43.1% | 2024 Q3 |
| CPP Investment Board | 173.1k | 0.04% | $22.7M | added +15.7% | 2022 Q1 |
| Capital Wealth Planning, LLC | 166.8k | 0.03% | $21.9M | added +11.7% | 2025 Q3 |
| Omers Administration CORP | 162.6k | 0.03% | $21.3M | added +1.8% | 2023 Q4 |
| Cibc Asset Management INC | 161.9k | 0.03% | $21.2M | added +1.1% | ≤2013 |
| D. E. Shaw | 157.1k | 0.03% | $20.6M | trimmed -11.2% | 2015 Q4 |
| Aventail Capital Group, LP | 156.9k | 0.03% | $20.6M | opened | 2026 Q1 |
Largest 50 of 393 shown; the full ranked, searchable register is at boothcheck.com/holders/IMO. 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.