| Top 10 Writers of Medical Professional Liability Insurance By Direct Premiums Written, 2021 |
($000)
|
| Rank |
Group/company |
Direct premiums written (1) |
Market share (2) |
| 1 |
Berkshire Hathaway Inc. |
$1,944,101 |
17.4% |
| 2 |
The Doctors Company |
1,070,669 |
9.6 |
| 3 |
ProAssurance Corp. |
739,157 |
6.6 |
| 4 |
CNA Financial Corp. |
638,680 |
5.7 |
| 5 |
Coverys Insurance Group |
574,677 |
5.1 |
| 6 |
MagMutual Insurance Co. |
417,644 |
3.7 |
| 7 |
MCIC Vermont |
384,988 |
3.4 |
| 8 |
Liberty Mutual |
307,729 |
2.8 |
| 9 |
Chubb Ltd. |
201,437 |
1.8 |
| 10 |
MMIC Group Inc. |
187,775 |
1.7 |
(1) Before reinsurance transactions, includes state funds.
(2) Based on U.S. total, includes territories.
Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute. |
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