Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,087 institutional managers reported holding OMC for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 51%. 122 opened new positions; 155 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 38.43M | 12.84% | $2.89B | trimmed -1.4% | ≤2013 |
| BlackRock | 29.50M | 9.86% | $2.22B | added +1.1% | ≤2013 |
| State Street | 27.76M | 9.28% | $2.09B | added +17.2% | ≤2013 |
| BNY Mellon | 12.10M | 4.04% | $911.2M | added +7.2% | ≤2013 |
| Geode Capital | 9.31M | 3.11% | $701.5M | added +8.6% | ≤2013 |
| MFS Investment Management | 8.74M | 2.92% | $658.0M | added +11% | ≤2013 |
| First Eagle Investment Management | 7.30M | 2.44% | $550.1M | added +15% | 2025 Q3 |
| Morgan Stanley | 6.93M | 2.31% | $521.6M | added +45.2% | ≤2013 |
| Capital Research Global Investors | 6.70M | 2.24% | $504.3M | added +42.7% | 2020 Q4 |
| Charles Schwab Investment Management | 6.36M | 2.13% | $478.8M | unchanged | ≤2013 |
| FMR (Fidelity) | 6.01M | 2.01% | $452.5M | added +37.3% | ≤2013 |
| Hotchkis & Wiley Capital Management LLC | 5.38M | 1.80% | $404.9M | trimmed -2.6% | 2014 Q2 |
| Baird Financial Group, INC. | 4.71M | 1.57% | $354.8M | added +8.2% | 2018 Q1 |
| UBS | 4.67M | 1.56% | $351.9M | added +60.4% | ≤2013 |
| AQR Capital | 4.42M | 1.48% | $333.3M | added +19.4% | ≤2013 |
| Beutel, Goodman & CO LTD. | 4.13M | 1.38% | $311.0M | trimmed -26.6% | 2017 Q2 |
| Dimensional Fund Advisors | 3.98M | 1.33% | $299.7M | trimmed -17.5% | ≤2013 |
| Invesco | 3.98M | 1.33% | $299.6M | added +4.6% | ≤2013 |
| Goldman Sachs | 3.59M | 1.20% | $270.4M | trimmed -41.2% | ≤2013 |
| Northern Trust | 3.40M | 1.14% | $255.9M | trimmed -8.4% | ≤2013 |
| Victory Capital Management INC | 3.08M | 1.03% | $232.1M | added +58.1% | 2014 Q4 |
| Wellington Management | 2.51M | 0.84% | $189.3M | trimmed -51.7% | 2016 Q1 |
| Cooke & Bieler LP | 2.28M | 0.76% | $172.0M | trimmed -10% | ≤2013 |
| Bank OF America CORP /DE/ | 2.19M | 0.73% | $165.3M | added +10.4% | ≤2013 |
| CPP Investment Board | 2.00M | 0.67% | $150.6M | trimmed -61.3% | 2025 Q3 |
| Envestnet Asset Management INC | 1.94M | 0.65% | $146.4M | added +5.6% | ≤2013 |
| Royal Bank OF Canada | 1.72M | 0.57% | $129.2M | added +5.7% | ≤2013 |
| Barclays PLC | 1.57M | 0.53% | $118.4M | added +15.6% | ≤2013 |
| Principal Financial Group INC | 1.54M | 0.51% | $115.8M | added +1.3% | ≤2013 |
| Legal & General Group PLC | 1.53M | 0.51% | $115.3M | added +8.6% | ≤2013 |
| Lazard Asset Management LLC | 1.48M | 0.49% | $111.6M | trimmed -23.6% | 2015 Q1 |
| Deutsche Bank AG\ | 1.45M | 0.48% | $109.2M | added +9.8% | ≤2013 |
| Raymond James Financial INC | 1.41M | 0.47% | $106.4M | added +5.9% | ≤2013 |
| Crawford Investment Counsel INC | 1.31M | 0.44% | $98.8M | added +4.7% | ≤2013 |
| Citadel Advisors | 1.25M | 0.42% | $93.8M | trimmed -70.6% | 2017 Q2 |
| Cullen Capital Management, LLC | 1.16M | 0.39% | $87.7M | added +7.7% | 2025 Q1 |
| Brandes Investment Partners, LP | 1.15M | 0.38% | $86.3M | added +5.2% | 2017 Q3 |
| Ariel Investments, LLC | 1.10M | 0.37% | $83.2M | added +1.5% | 2025 Q4 |
| LPL Financial LLC | 1.02M | 0.34% | $77.2M | added +24.7% | 2017 Q2 |
| BNP Paribas Financial Markets | 1.01M | 0.34% | $76.1M | trimmed -29.5% | ≤2013 |
| Nuveen | 980.0k | 0.33% | $73.8M | trimmed -12.8% | ≤2013 |
| Amundi | 971.7k | 0.33% | $73.2M | trimmed -29.2% | 2017 Q3 |
| Citigroup INC | 962.0k | 0.32% | $72.5M | added +103.3% | ≤2013 |
| National Pension Service | 960.5k | 0.32% | $72.3M | added +37.8% | 2014 Q3 |
| Assetmark, INC | 931.9k | 0.31% | $70.2M | added +8% | 2015 Q2 |
| Clark Capital Management Group, INC. | 924.2k | 0.31% | $69.6M | trimmed -40% | 2022 Q3 |
| Swiss National Bank | 923.3k | 0.31% | $69.5M | added +5.3% | ≤2013 |
| Mitsubishi UFJ Asset Management CO., LTD. | 875.1k | 0.29% | $65.9M | added +5.3% | ≤2013 |
| Epoch Investment Partners, INC. | 856.7k | 0.29% | $64.5M | added +7.2% | 2020 Q4 |
| Sound Shore Management INC /CT/ (focused) | 843.0k | 0.28% | $63.5M | opened | 2026 Q1 |
Largest 50 of 1,087 shown; the full ranked, searchable register is at boothcheck.com/holders/OMC. 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.