Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,385 institutional managers reported holding COR for the quarter ended Mar 31, 2026. Together they hold about 78% of shares outstanding; the top 10 hold 37%. 124 opened new positions; 178 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 19.94M | 10.21% | $6.26B | trimmed -1.7% | ≤2013 |
| State Street | 9.19M | 4.70% | $2.89B | trimmed -1.2% | ≤2013 |
| T. Rowe Price | 7.32M | 3.75% | $2.30B | added +4.7% | ≤2013 |
| FMR (Fidelity) | 6.69M | 3.42% | $2.10B | added +22.5% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 6.29M | 3.22% | $1.98B | added +35% | 2024 Q4 |
| Geode Capital | 5.57M | 2.85% | $1.75B | added +2% | ≤2013 |
| Wellington Management | 4.55M | 2.33% | $1.43B | unchanged | ≤2013 |
| Morgan Stanley | 4.53M | 2.32% | $1.42B | added +54.9% | ≤2013 |
| Boston Partners | 4.48M | 2.29% | $1.41B | added +6.8% | 2018 Q4 |
| Bank OF America CORP /DE/ | 4.14M | 2.12% | $1.30B | added +6.9% | ≤2013 |
| Invesco | 3.99M | 2.04% | $1.25B | added +1.8% | ≤2013 |
| UBS | 2.39M | 1.22% | $750.5M | trimmed -11.6% | ≤2013 |
| Goldman Sachs | 2.21M | 1.13% | $695.0M | added +4% | ≤2013 |
| Northern Trust | 2.18M | 1.12% | $685.5M | trimmed -1.8% | ≤2013 |
| Capital Research Global Investors | 1.96M | 1.00% | $615.4M | trimmed -28.7% | 2021 Q2 |
| Mitsubishi UFJ Asset Management CO., LTD. | 1.58M | 0.81% | $495.0M | added +150.9% | ≤2013 |
| Amundi | 1.55M | 0.80% | $487.8M | trimmed -30.4% | 2017 Q4 |
| Dimensional Fund Advisors | 1.55M | 0.79% | $486.5M | added +2.4% | ≤2013 |
| Wells Fargo & COMPANY/MN | 1.33M | 0.68% | $418.6M | trimmed -3.4% | ≤2013 |
| Legal & General Group PLC | 1.31M | 0.67% | $412.3M | trimmed -2.8% | ≤2013 |
| Nordea Investment Management AB | 1.31M | 0.67% | $411.4M | added +4.3% | ≤2013 |
| Charles Schwab Investment Management | 1.23M | 0.63% | $386.9M | added +0.7% | ≤2013 |
| Bessemer Group INC | 1.22M | 0.62% | $381.6M | trimmed -11% | 2016 Q2 |
| Manufacturers Life Insurance Company, THE | 1.11M | 0.57% | $349.4M | added +21% | ≤2013 |
| Arrowstreet Capital | 1.04M | 0.53% | $327.3M | trimmed -16.5% | 2019 Q3 |
| Artisan Partners | 1.04M | 0.53% | $325.1M | trimmed -7.5% | 2025 Q2 |
| Mawer Investment Management LTD. | 1.03M | 0.53% | $323.8M | added +66.8% | 2017 Q1 |
| BNY Mellon | 1.03M | 0.53% | $322.9M | trimmed -2.4% | ≤2013 |
| Raymond James Financial INC | 941.4k | 0.48% | $295.6M | trimmed -3.1% | ≤2013 |
| Bank OF Montreal /CAN/ | 897.5k | 0.46% | $281.9M | added +4.6% | ≤2013 |
| Deutsche Bank AG\ | 891.1k | 0.46% | $279.9M | trimmed -3.2% | 2013 Q3 |
| BNP Paribas Financial Markets | 881.3k | 0.45% | $276.8M | added +5.2% | ≤2013 |
| Nuveen | 845.5k | 0.43% | $265.5M | added +5.1% | ≤2013 |
| Holocene Advisors | 841.1k | 0.43% | $264.2M | trimmed -6.3% | 2023 Q3 |
| AllianceBernstein | 808.5k | 0.41% | $253.9M | trimmed -6.6% | ≤2013 |
| American Century Companies INC | 803.6k | 0.41% | $252.4M | added +15.3% | 2018 Q3 |
| Sumitomo Mitsui Trust Group, INC. | 803.5k | 0.41% | $252.3M | trimmed -8.5% | ≤2013 |
| Citadel Advisors | 797.8k | 0.41% | $250.6M | added +1418.1% | ≤2013 |
| Federated Hermes, INC. | 749.6k | 0.38% | $235.4M | added +10.6% | ≤2013 |
| Neuberger Berman Group LLC | 747.5k | 0.38% | $234.8M | added +9.2% | ≤2013 |
| Royal Bank OF Canada | 745.4k | 0.38% | $234.1M | trimmed -43.9% | ≤2013 |
| National Pension Service | 709.8k | 0.36% | $222.9M | trimmed -1.5% | 2014 Q3 |
| TD Asset Management INC | 704.1k | 0.36% | $221.1M | trimmed -20.7% | ≤2013 |
| First Trust Advisors LP | 653.7k | 0.34% | $205.3M | unchanged | ≤2013 |
| Swedbank Robur | 594.7k | 0.30% | $186.8M | trimmed -11.6% | 2021 Q1 |
| Franklin Resources | 587.2k | 0.30% | $184.4M | added +35.8% | ≤2013 |
| Ameriprise Financial INC | 560.4k | 0.29% | $176.0M | trimmed -14.7% | ≤2013 |
| Hsbc Holdings PLC | 557.5k | 0.28% | $175.1M | added +41.5% | ≤2013 |
| DekaBank Deutsche Girozentrale | 543.0k | 0.28% | $170.5M | unchanged | ≤2013 |
| Swiss National Bank | 540.9k | 0.28% | $169.9M | added +7.2% | ≤2013 |
Largest 50 of 1,385 shown; the full ranked, searchable register is at boothcheck.com/holders/COR. 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.