Below you can see the ranking of US insurance companies based on total assets and market capitalization.
At the top of the top 10 list we find Berkshire Hathaway with USD 948 billion in assets, followed by Prudential Financial with USD 690 billion and Metlife with USD 667 billion. American International Group ranks fourth with $527 billion, while New York Life ranks fifth with $392 billion.
| Rank | Company | Assets |
| 1 | Berkshire Hathaway | 948 |
| 2 | Prudential Financial | 690 |
| 3 | Metlife | 667 |
| 4 | American International Group | 527 |
| 5 | New York Life | 392 |
| 6 | Northwestern Mutual | 340 |
| 7 | Lincoln Financial Group | 335 |
| 8 | MassMutual | 327 |
| 9 | State Farm | 325 |
| 10 | Principal Financial Group | 292 |
In terms of market capitalization, however, Berkshire Hathaway again takes first place in the rankings, followed this time by UnitedHealth Group and Elevance Health.
| Rank | Company | Market cap. |
| 1 | Berkshire Hathaway | 642 |
| 2 | UnitedHealth Group | 438 |
| 3 | Elevance Health | 110 |
| 4 | Cigna Group | 80 |
| 5 | Progressive Corp | 80 |
| 6 | Humana | 62 |
| 7 | Metlife | 43 |
| 8 | Travelers Companies | 38 |
| 9 | Aflac Inc | 38 |
| 10 | American International Group | 35 |
Total Assets data is as of 12/31/2022, Market Cap data is as of 3/17/2023 and all are in billions of USD.