CENTENE CORP DEL CNC
COM · Common Stock · CUSIP 15135B101 · ISIN US15135B1017
American multinational healthcare company
- SectorHealth care
- IndustryHospital & Medical Service Plans
- HeadquartersSt Louis, MO
- Founded1984
- Websitecentene.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($160.7m this quarter). Holder counts are more reliable. Shares outstanding: 494.0m as of 2026-07-24, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $64.05. Options: 39 managers hold calls ($1.0bn notional), 30 hold puts ($541.6m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 848 |
| Q4 2022 | 881 |
| Q1 2023 | 849 |
| Q2 2023 | 838 |
| Q3 2023 | 830 |
| Q4 2023 | 899 |
| Q1 2024 | 932 |
| Q2 2024 | 902 |
| Q3 2024 | 887 |
| Q4 2024 | 878 |
| Q1 2025 | 902 |
| Q2 2025 | 872 |
| Q3 2025 | 850 |
| Q4 2025 | 915 |
| Q1 2026 | 867 |
| Q2 2026 | 1,004 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 383 | 453 |
| Q4 2024 | 365 | 481 |
| Q1 2025 | 435 | 418 |
| Q2 2025 | 451 | 425 |
| Q3 2025 | 490 | 440 |
| Q4 2025 | 479 | 392 |
| Q1 2026 | 392 | 489 |
| Q2 2026 | 554 | 412 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $884.1m | $764.5m | 0.86 |
| Q4 2025 | $939.2m | $573.6m | 0.61 |
| Q1 2026 | $463.2m | $344.7m | 0.74 |
| Q2 2026 | $1.0bn | $541.6m | 0.52 |
Biggest buyers
| WELLINGTON MANAGEMENT GROUP LLP | Added | +10.8m |
| Assenagon Asset Management S.A. | Added | +3.6m |
| VICTORY CAPITAL MANAGEMENT INC | Added | +2.9m |
| AMERIPRISE FINANCIAL INC | Added | +2.3m |
| ACADIAN ASSET MANAGEMENT LLC | Added | +2.0m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +1.7m |
| BlackRock, Inc. | Added | +1.6m |
| Qube Research & Technologies Ltd | Added | +1.6m |
| Man Group plc | Added | +1.3m |
| Caisse de depot et placement du Quebec | Added | +1.3m |
Biggest sellers
| AQR CAPITAL MANAGEMENT LLC | Reduced | -4.9m |
| JANE STREET GROUP, LLC | Reduced | -3.1m |
| HARRIS ASSOCIATES L P | Reduced | -3.0m |
| UBS Group AG | Reduced | -2.8m |
| D. E. Shaw & Co., Inc. | Reduced | -2.3m |
| Kopernik Global Investors, LLC | Reduced | -1.9m |
| Point72 Asset Management, L.P. | Reduced | -1.8m |
| AustralianSuper Pty Ltd | Sold out | -1.6m |
| TUDOR INVESTMENT CORP ET AL | Reduced | -1.4m |
| GLENVIEW CAPITAL MANAGEMENT, LLC | Reduced | -1.3m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $290.2m4.5m shares |
| JANE STREET GROUP, LLC | Added | $150.2m2.3m shares |
| CITADEL ADVISORS LLC | Added | $135.8m2.1m shares |
| Walleye Trading LLC | Added | $89.8m1.4m shares |
| GROUP ONE TRADING LLC | Added | $69.1m1.1m shares |
| IMC-Chicago, LLC | Reduced | $53.2m828.5k shares |
| SIMPLEX TRADING, LLC | Reduced | $41.9m652.3k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $36.9m575.5k shares |
| D. E. Shaw & Co., Inc. | Added | $22.5m350.3k shares |
| Point72 Asset Management, L.P. | Reduced | $17.6m274.9k shares |
Biggest puts
| BANK OF MONTREAL /CAN/ | Unchanged | $75.7m1.2m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $65.0m1.0m shares |
| JANE STREET GROUP, LLC | Reduced | $58.5m910.9k shares |
| CITADEL ADVISORS LLC | Added | $57.6m897.1k shares |
| Walleye Trading LLC | Added | $45.6m710.1k shares |
| D. E. Shaw & Co., Inc. | Reduced | $41.2m642.6k shares |
| IMC-Chicago, LLC | Added | $26.2m407.6k shares |
| GOLDMAN SACHS GROUP INC | New | $20.1m313.1k shares |
| Alphadyne Asset Management LP | Added | $19.3m301.4k shares |
| Squarepoint Ops LLC | Added | $15.4m240.1k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-07-16 | 7.7% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.3% |
| AQR CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-02-13 | 6.5% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 7 | $3.3m | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 2 | $738.9k | 0 | — | — |
| Q4 2025 | 0 | — | 1 | $2.6m | — |
| Q1 2026 | 0 | — | 0 | — | — |
| Q2 2026 | 0 | — | 1 | $5.2m | — |
| Q3 2026 | 0 | — | 1 | $6.9m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-08-26 | KOSTER CHRISTOPHER Secretary & General Counsel | Sold | $3.8m56.5k shares |
| 2026-08-18 | KOSTER CHRISTOPHER Secretary & General Counsel | Sold | $3.1m47.6k shares |
| 2026-06-10 | Burdick Kenneth A Director | Sold | $5.2m80.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.04% of their portfolio | 41.4m $2.7bn | Added +1.6m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 31.5m $2.0bn | Added +244.1k |
| AQR CAPITAL MANAGEMENT LLC 0.64% of their portfolio | 28.7m $1.8bn | Reduced -4.9m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.06% of their portfolio | 22.4m $1.4bn | Added +723.2k |
| STATE STREET CORP 0.04% of their portfolio | 22.0m $1.4bn | Added +319.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.05% of their portfolio | 13.3m $854.0m | Added +322.2k |
| WELLINGTON MANAGEMENT GROUP LLP 0.15% of their portfolio | 13.3m $853.8m | Added +10.8m |
| AMERIPRISE FINANCIAL INC 0.16% of their portfolio | 12.4m $798.2m | Added +2.3m |
| Invesco Ltd. 0.06% of their portfolio | 11.2m $717.6m | Added +563.7k |
| HARRIS ASSOCIATES L P 0.95% of their portfolio | 11.1m $714.1m | Reduced -3.0m |
| MORGAN STANLEY 0.03% of their portfolio | 10.1m $645.2m | Added +171.5k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.06% of their portfolio | 8.7m $558.5m | Added +1.7m |
| NORGES BANK 0.05% of their portfolio | 7.7m $491.2m | Not comparable |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.21% of their portfolio | 7.5m $478.4m | Added +682.5k |
| Assenagon Asset Management S.A. 0.31% of their portfolio | 7.4m $477.1m | Added +3.6m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.06% of their portfolio | 7.0m $447.8m | Added +78.3k |
| ACADIAN ASSET MANAGEMENT LLC 0.52% of their portfolio | 6.9m $439.7m | Added +2.0m |
| GOLDMAN SACHS GROUP INC 0.04% of their portfolio | 6.4m $408.2m | Added +785.6k |
| TWO SIGMA INVESTMENTS, LP 0.31% of their portfolio | 6.3m $407.5m | Reduced -395.9k |
| VICTORY CAPITAL MANAGEMENT INC 0.21% of their portfolio | 5.9m $377.7m | Added +2.9m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.06% of their portfolio | 5.5m $354.2m | Added +608.2k |
| D. E. Shaw & Co., Inc. 0.21% of their portfolio | 5.2m $334.6m | Reduced -2.3m |
| NORTHERN TRUST CORP 0.04% of their portfolio | 4.9m $316.5m | Reduced -36.5k |
| DEERFIELD MANAGEMENT COMPANY, L.P. 3.28% of their portfolio | 4.9m $314.6m | Reduced -1.0m |
| BANK OF AMERICA CORP /DE/ 0.02% of their portfolio | 4.5m $285.7m | Added +603.8k |
| DEUTSCHE BANK AG\ 0.07% of their portfolio | 4.0m $257.3m | Reduced -785.1k |
| JANE STREET GROUP, LLC 0.16% of their portfolio | 3.8m $245.1m | Reduced -3.1m |
| Legal & General Group Plc 0.05% of their portfolio | 3.8m $244.5m | Reduced -286.1k |
| EARNEST PARTNERS LLC 0.82% of their portfolio | 3.5m $227.0m | Reduced -50.6k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.79% of their portfolio | 3.4m $219.3m | Added +258.7k |
| PANAGORA ASSET MANAGEMENT INC 0.61% of their portfolio | 3.1m $197.8m | Added +709.7k |
| Amundi 0.05% of their portfolio | 3.0m $193.1m | Reduced -865.6k |
| DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio | 3.0m $192.2m | Added +159.5k |
| Man Group plc 0.33% of their portfolio | 2.8m $179.4m | Added +1.3m |
| Robeco Institutional Asset Management B.V. 0.22% of their portfolio | 2.7m $176.4m | Reduced -138.3k |
| AMERICAN CENTURY COMPANIES INC 0.08% of their portfolio | 2.7m $170.8m | Added +1.2m |
| VANGUARD FIDUCIARY TRUST CO 0.04% of their portfolio | 2.7m $170.8m | Added +8.7k |
| FMR LLC 0.01% of their portfolio | 2.6m $168.7m | Added +1.2m |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.48% of their portfolio | 2.6m $164.4m | Reduced -97.5k |
| Bank of New York Mellon Corp 0.03% of their portfolio | 2.5m $159.0m | Reduced -26.8k |
| LYRICAL ASSET MANAGEMENT LP 1.99% of their portfolio | 2.4m $157.3m | Reduced -82.7k |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 2.4m $151.8m | Added +242.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.19% of their portfolio | 2.2m $140.7m | Added +507.7k |
| Russell Investments Group, Ltd. 0.12% of their portfolio | 2.2m $138.3m | Added +387.7k |
| Politan Capital Management LP 53.74% of their portfolio | 2.1m $137.1m | Reduced -29.5k |
| Qube Research & Technologies Ltd 0.15% of their portfolio | 2.0m $131.4m | Added +1.6m |
| Quantinno Capital Management LP 0.15% of their portfolio | 2.0m $126.3m | Added +1.1m |
| SG Americas Securities, LLC 0.07% of their portfolio | 1.9m $123.4m | Added +738.8k |
| GLENVIEW CAPITAL MANAGEMENT, LLC 2.42% of their portfolio | 1.9m $121.1m | Reduced -1.3m |
| ROYAL BANK OF CANADA 0.02% of their portfolio | 1.9m $120.1m | Added +386.2k |
| Nuveen, LLC 0.03% of their portfolio | 1.9m $120.0m | Added +425.8k |
| BANK OF MONTREAL /CAN/ 0.04% of their portfolio | 1.7m $108.2m | Added +98.3k |
| DME Capital Management, LP 2.71% of their portfolio | 1.7m $106.0m | Reduced -1.1m |
| Scharf Investments, LLC 3.50% of their portfolio | 1.7m $105.9m | Reduced -68.5k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.44% of their portfolio | 1.6m $104.2m | Added +31.3k |
| MILLENNIUM MANAGEMENT LLC 0.07% of their portfolio | 1.6m $102.1m | Reduced -1.0m |
| SEI INVESTMENTS CO 0.09% of their portfolio | 1.6m $101.3m | Added +13.2k |
| Ninety One UK Ltd 0.22% of their portfolio | 1.5m $97.0m | Reduced -279.6k |
| IEQ CAPITAL, LLC 0.44% of their portfolio | 1.5m $94.7m | Reduced -553.9k |
| Long Focus Capital Management, LLC 3.80% of their portfolio | 1.4m $93.1m | Reduced -478.0k |
| Caisse de depot et placement du Quebec 0.13% of their portfolio | 1.4m $90.4m | Added +1.3m |
| Swiss National Bank 0.05% of their portfolio | 1.4m $89.0m | Reduced -55.4k |
| Maple Rock Capital Partners Inc. 1.74% of their portfolio | 1.4m $88.7m | Added +725.3k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.05% of their portfolio | 1.4m $88.0m | Reduced -136.7k |
| Capital World Investors 0.01% of their portfolio | 1.3m $86.0m | Reduced -795.5k |
| MARSHALL WACE, LLP 0.07% of their portfolio | 1.3m $81.7m | Added +30.0k |
| Swedbank AB 0.07% of their portfolio | 1.3m $81.3m | Added +237.8k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.04% of their portfolio | 1.2m $74.9m | Added +99.6k |
| BARCLAYS PLC 0.02% of their portfolio | 1.1m $72.3m | Reduced -260.6k |
| CITIGROUP INC 0.03% of their portfolio | 1.1m $72.2m | Added +151.5k |
| Focused Investors LLC 2.42% of their portfolio | 1.1m $71.7m | Reduced -115.4k |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.24% of their portfolio | 1.1m $69.5m | Reduced -846.2k |
| Sumitomo Mitsui Trust Group, Inc. 0.04% of their portfolio | 1.1m $69.3m | Reduced -13.7k |
| Vanguard Global Advisers, LLC 0.03% of their portfolio | 1.1m $67.7m | Reduced -23.5k |
| BNP PARIBAS FINANCIAL MARKETS 0.03% of their portfolio | 1.0m $65.8m | Reduced -84.0k |
| RHUMBLINE ADVISERS 0.05% of their portfolio | 1.0m $64.7m | Added +4.5k |
| CITADEL ADVISORS LLC 0.04% of their portfolio | 1.0m $64.7m | Reduced -728.9k |
| Korea Investment CORP 0.12% of their portfolio | 1.0m $64.4m | Added +909.6k |
| UBS Group AG 0.01% of their portfolio | 1.0m $64.4m | Reduced -2.8m |
| Walleye Trading LLC 0.88% of their portfolio | 982.8k $63.1m | Reduced -326.8k |
| HSBC HOLDINGS PLC 0.03% of their portfolio | 977.2k $62.7m | Reduced -22.7k |
| Mariner, LLC 0.06% of their portfolio | 959.7k $61.6m | Reduced -19.8k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.04% of their portfolio | 959.7k $61.6m | Added +107.3k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 943.2k $30.9m | Added +71.2k |
| National Pension Service 0.04% of their portfolio | 939.7k $60.3m | Added +732.3k |
| Vinva Investment Management Ltd 0.38% of their portfolio | 885.5k $57.4m | New |
| Jupiter Topco LLC 0.02% of their portfolio | 853.1k $54.8m | First filing |
| Susquehanna Portfolio Strategies, LLC 0.87% of their portfolio | 849.5k $54.5m | Unchanged |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.08% of their portfolio | 832.8k $53.5m | Added +803.5k |
| BANK OF NOVA SCOTIA 0.08% of their portfolio | 826.4k $53.0m | Reduced -153.4k |
| California Public Employees Retirement System 0.03% of their portfolio | 822.4k $52.8m | Added +194.8k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 802.8k $51.5m | Added +367.2k |
| Gotham Asset Management, LLC 0.12% of their portfolio | 797.2k $51.2m | Reduced -25.4k |
| Pine Valley Investments Ltd Liability Co 2.09% of their portfolio | 764.1k $49.0m | Reduced -246.4k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 754.3k $48.4m | Added +41.7k |
| Cerity Partners LLC 0.06% of their portfolio | 748.0k $48.0m | Reduced -198.9k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.05% of their portfolio | 730.8k $46.9m | Added +603.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.04% of their portfolio | 718.9k $46.1m | Reduced -45.4k |
| Cresset Asset Management, LLC 0.17% of their portfolio | 717.7k $46.1m | Reduced -36.6k |
| WELLS FARGO & COMPANY/MN 0.01% of their portfolio | 711.1k $45.6m | Added +150.3k |