National firm buys Fidelis, big NY Obamacare insurer

Centene Corp. buying Catholic health plan for $3.75 billion.

Centene To Buy New York Health Plan For $3.7 Billion

Centene Agrees to Buy Fidelis Care in $3.75 Billion Deal - WSJ

Managing Catastrophe—Managed care reinsurance market trends and catastrophic medical claims developments – Contingencies Magazine

City & State New York 011821 by City & State - Issuu

Best Health Insurance Companies

For Health Insurance Startup Oscar, Cute Ads Only Go So Far - Bloomberg

How to Make a Fortune on Obamacare - Bloomberg

The short and chaotic life of an Obamacare darling

APM Measurement Survey - Health Care Payment Learning & Action Network

Top 5 Health Insurance Companies In The U.S.