Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
604 institutional managers reported holding OC for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 47%. 87 opened new positions; 115 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 9.79M | 12.07% | $1.06B | unchanged | ≤2013 |
| BlackRock | 9.21M | 11.36% | $996.2M | trimmed -1.5% | ≤2013 |
| State Street | 3.06M | 3.78% | $331.4M | unchanged | ≤2013 |
| Dimensional Fund Advisors | 2.76M | 3.41% | $299.0M | added +7.3% | ≤2013 |
| UBS | 2.64M | 3.25% | $285.3M | added +70% | ≤2013 |
| AQR Capital | 2.54M | 3.13% | $274.7M | added +77.3% | ≤2013 |
| First Trust Advisors LP | 2.18M | 2.69% | $235.7M | added +22.7% | 2013 Q3 |
| Davis Selected Advisers | 2.10M | 2.59% | $227.2M | added +2.7% | 2018 Q4 |
| American Century Companies INC | 2.04M | 2.52% | $220.9M | added +549.5% | 2019 Q4 |
| Geode Capital | 1.89M | 2.33% | $204.2M | added +8.7% | ≤2013 |
| T. Rowe Price | 1.52M | 1.88% | $164.8M | trimmed -41.3% | ≤2013 |
| LSV Asset Management | 1.46M | 1.80% | $157.9M | unchanged | 2016 Q2 |
| Arrowstreet Capital | 1.28M | 1.58% | $138.2M | trimmed -2.7% | 2020 Q3 |
| Allspring Global Investments Holdings, LLC | 1.17M | 1.44% | $126.6M | added +721.9% | 2021 Q4 |
| Nordea Investment Management AB | 1.13M | 1.39% | $121.9M | added +228.3% | 2015 Q2 |
| Two Sigma | 972.5k | 1.20% | $105.2M | added +13.9% | 2023 Q1 |
| Millennium Management | 960.4k | 1.18% | $103.9M | added +59.8% | ≤2013 |
| Gendell Jeffrey L | 940.5k | 1.16% | $101.7M | added +2% | 2025 Q2 |
| Harris Associates (Oakmark) | 915.4k | 1.13% | $99.0M | added +226.3% | 2025 Q2 |
| Morgan Stanley | 825.9k | 1.02% | $89.3M | added +12.5% | ≤2013 |
| Deutsche Bank AG\ | 763.5k | 0.94% | $82.6M | added +4.5% | ≤2013 |
| Bank OF America CORP /DE/ | 744.1k | 0.92% | $80.5M | trimmed -3.2% | ≤2013 |
| Goldman Sachs | 732.3k | 0.90% | $79.2M | added +87% | ≤2013 |
| Northern Trust | 718.4k | 0.89% | $77.7M | added +1.3% | ≤2013 |
| Charles Schwab Investment Management | 700.5k | 0.86% | $75.8M | added +5.3% | ≤2013 |
| Victory Capital Management INC | 682.6k | 0.84% | $73.8M | trimmed -9.3% | 2014 Q4 |
| BNY Mellon | 619.5k | 0.76% | $67.0M | unchanged | ≤2013 |
| Sound Shore Management INC /CT/ (focused) | 592.3k | 0.73% | $64.1M | opened | 2026 Q1 |
| Clean Energy Transition LLP (focused) | 574.9k | 0.71% | $62.2M | added +2% | 2025 Q3 |
| Schroder Investment Management Group | 555.2k | 0.69% | $60.0M | trimmed -1.1% | ≤2013 |
| DekaBank Deutsche Girozentrale | 514.2k | 0.63% | $55.6M | unchanged | 2016 Q3 |
| Gotham Asset Management | 510.4k | 0.63% | $55.2M | added +30.9% | 2019 Q4 |
| Cincinnati Insurance CO | 504.7k | 0.62% | $54.6M | added +19.9% | 2024 Q1 |
| D. E. Shaw | 499.2k | 0.61% | $54.0M | trimmed -25.2% | ≤2013 |
| Franklin Resources | 468.3k | 0.58% | $50.6M | added +31.4% | 2020 Q1 |
| LGT Group Foundation | 465.1k | 0.57% | $50.3M | trimmed -9.9% | 2024 Q4 |
| Raymond James Financial INC | 452.0k | 0.56% | $48.9M | added +53.4% | ≤2013 |
| Balyasny Asset Management | 449.7k | 0.56% | $48.6M | opened | 2026 Q1 |
| Vaughan Nelson Investment Management, L.p. | 423.8k | 0.52% | $45.8M | opened | 2026 Q1 |
| AllianceBernstein | 419.9k | 0.52% | $45.4M | added +64.6% | ≤2013 |
| FMR (Fidelity) | 417.6k | 0.52% | $45.2M | trimmed -61.5% | 2016 Q3 |
| Principal Financial Group INC | 409.9k | 0.51% | $44.3M | added +16.1% | 2019 Q1 |
| Banque Pictet & CIE SA | 402.7k | 0.50% | $43.6M | trimmed -2.4% | 2024 Q4 |
| Lodge Hill Capital, LLC (focused) | 363.6k | 0.45% | $39.3M | added +14.1% | 2021 Q4 |
| River Road Asset Management, LLC | 358.4k | 0.44% | $38.8M | added +3% | 2025 Q3 |
| SG Americas Securities, LLC | 356.9k | 0.44% | $38.6M | added +67.9% | 2013 Q3 |
| Point72 | 335.2k | 0.41% | $36.3M | trimmed -55.9% | 2023 Q2 |
| Callodine Capital Management, LP | 326.7k | 0.40% | $35.3M | added +41.3% | 2025 Q3 |
| Nuveen | 323.5k | 0.40% | $35.0M | unchanged | 2019 Q2 |
| Bank Pictet & Cie (Europe) AG | 308.3k | 0.38% | $33.3M | trimmed -10.2% | 2024 Q4 |
Largest 50 of 604 shown; the full ranked, searchable register is at boothcheck.com/holders/OC. 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.