Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
838 institutional managers reported holding CNC for the quarter ended Mar 31, 2026. Together they hold about 95% of shares outstanding; the top 10 hold 44%. 96 opened new positions; 154 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 57.78M | 11.66% | $1.89B | added +1.2% | ≤2013 |
| BlackRock | 39.82M | 8.04% | $1.30B | trimmed -10.3% | ≤2013 |
| AQR Capital | 33.61M | 6.78% | $1.10B | added +5.7% | ≤2013 |
| State Street | 21.65M | 4.37% | $708.6M | added +1% | ≤2013 |
| Harris Associates (Oakmark) | 14.09M | 2.84% | $461.4M | added +55.7% | 2023 Q3 |
| Geode Capital | 12.99M | 2.62% | $425.1M | trimmed -2.1% | ≤2013 |
| Invesco | 10.62M | 2.14% | $347.5M | added +14.5% | ≤2013 |
| Ameriprise Financial INC | 10.13M | 2.04% | $331.5M | added +42.4% | ≤2013 |
| Morgan Stanley | 9.88M | 1.99% | $323.4M | added +9.7% | ≤2013 |
| UBS | 8.66M | 1.75% | $283.6M | unchanged | ≤2013 |
| D. E. Shaw | 7.53M | 1.52% | $246.4M | trimmed -9.8% | 2016 Q4 |
| T. Rowe Price | 6.96M | 1.41% | $228.0M | trimmed -2.9% | ≤2013 |
| Jane Street | 6.92M | 1.40% | $226.6M | added +70.5% | 2014 Q1 |
| Charles Schwab Investment Management | 6.90M | 1.39% | $225.8M | added +4.3% | ≤2013 |
| Arrowstreet Capital | 6.77M | 1.37% | $221.6M | trimmed -21.2% | 2022 Q1 |
| Two Sigma | 6.74M | 1.36% | $220.8M | added +182.1% | 2022 Q4 |
| Deerfield Management Company, L.p. | 5.92M | 1.19% | $193.7M | trimmed -8.2% | 2016 Q4 |
| Goldman Sachs | 5.57M | 1.13% | $182.4M | added +2.9% | ≤2013 |
| Northern Trust | 4.97M | 1.00% | $162.6M | unchanged | ≤2013 |
| Acadian Asset Management | 4.81M | 0.97% | $157.5M | added +202.4% | 2022 Q1 |
| Deutsche Bank AG\ | 4.79M | 0.97% | $156.9M | added +8.8% | ≤2013 |
| Legal & General Group PLC | 4.09M | 0.83% | $134.0M | trimmed -3% | ≤2013 |
| Amundi | 3.87M | 0.78% | $126.8M | added +30.4% | 2016 Q4 |
| Bank OF America CORP /DE/ | 3.85M | 0.78% | $125.9M | trimmed -6.9% | ≤2013 |
| Assenagon Asset Management S.a. | 3.83M | 0.77% | $125.2M | added +103.6% | 2017 Q1 |
| Earnest Partners LLC | 3.59M | 0.72% | $117.4M | added +2.4% | 2013 Q4 |
| Glenview Capital (focused) | 3.21M | 0.65% | $105.2M | added +73.2% | 2024 Q2 |
| Jacobs Levy Equity Management, INC | 3.16M | 0.64% | $103.4M | added +14.8% | 2025 Q3 |
| Victory Capital Management INC | 2.97M | 0.60% | $97.3M | added +1093% | 2014 Q4 |
| Robeco Institutional Asset Management B.v. | 2.89M | 0.58% | $94.5M | added +24.5% | 2014 Q4 |
| Dimensional Fund Advisors | 2.84M | 0.57% | $92.8M | trimmed -4.5% | ≤2013 |
| DME Capital Management, LP (focused) | 2.73M | 0.55% | $89.4M | added +3.5% | 2024 Q4 |
| Hotchkis & Wiley Capital Management LLC | 2.66M | 0.54% | $87.0M | trimmed -16.7% | 2019 Q4 |
| Millennium Management | 2.59M | 0.52% | $84.8M | trimmed -43.3% | ≤2013 |
| Wellington Management | 2.54M | 0.51% | $83.3M | added +5.9% | 2017 Q1 |
| Lyrical Asset Management LP (focused) | 2.53M | 0.51% | $82.9M | added +3% | 2019 Q4 |
| Kopernik Global Investors, LLC (focused) | 2.52M | 0.51% | $82.4M | added +24.3% | 2025 Q3 |
| BNY Mellon | 2.50M | 0.51% | $82.0M | trimmed -4.2% | ≤2013 |
| Point72 | 2.44M | 0.49% | $79.8M | opened | 2014 Q3 |
| Panagora Asset Management INC | 2.37M | 0.48% | $77.6M | added +90.6% | ≤2013 |
| Politan Capital Management LP (focused) | 2.16M | 0.44% | $70.9M | trimmed -1.2% | 2021 Q4 |
| Capital Group (American Funds) | 2.13M | 0.43% | $69.9M | trimmed -38.8% | ≤2013 |
| IEQ Capital, LLC | 2.03M | 0.41% | $66.4M | trimmed -7.9% | 2021 Q2 |
| Worldquant Millennium Advisors LLC | 1.93M | 0.39% | $63.2M | added +41% | 2022 Q2 |
| Long Focus Capital Management, LLC | 1.93M | 0.39% | $63.1M | trimmed -5.7% | 2024 Q4 |
| Ninety One UK LTD | 1.79M | 0.36% | $58.6M | added +4.1% | 2025 Q3 |
| Russell Investments Group, LTD. | 1.76M | 0.36% | $57.8M | added +26.4% | 2016 Q4 |
| Citadel Advisors | 1.74M | 0.35% | $56.8M | trimmed -62.8% | 2017 Q4 |
| Scharf Investments, LLC | 1.72M | 0.35% | $56.3M | trimmed -19% | 2020 Q3 |
| Renaissance Technologies | 1.68M | 0.34% | $55.1M | added +60.1% | 2025 Q2 |
Largest 50 of 838 shown; the full ranked, searchable register is at boothcheck.com/holders/CNC. 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.