Best's Rankings
Top 25 U.S. Ocean Marine Writers — 2021 Edition
The insurers were ranked by 2020 direct premiums written.
($ Thousands)
2020
Rank |
2019
Rank |
Company / Group |
AMB# |
2020
Direct
Premiums
Written |
% Change in
Premiums |
Market Share (%) |
Adjusted Loss Ratios |
% of
Company
Premiums |
2020 |
2019 |
2018 |
2020 |
2019 |
2018 |
1 |
1 |
Amer Intl Group |
018540 |
$626,517 |
4.2 |
15.0 |
15.2 |
16.1 |
37.4 |
29.6 |
26.1 |
4.6 |
2 |
2 |
Berkshire Hathaway Ins |
000811 |
354,030 |
11.2 |
8.5 |
8.1 |
8.3 |
81.5 |
68.3 |
79.4 |
0.8 |
3 |
3 |
Travelers Group |
018674 |
294,127 |
8.6 |
7.1 |
6.9 |
7.1 |
50.4 |
54.3 |
40.0 |
1.0 |
4 |
4 |
Chubb INA Group |
018498 |
265,605 |
-0.7 |
6.4 |
6.8 |
5.8 |
20.3 |
36.2 |
29.3 |
1.1 |
5 |
6 |
Tokio Marine US PC Group |
018733 |
255,358 |
27.1 |
6.1 |
5.1 |
4.0 |
62.4 |
56.0 |
40.6 |
2.8 |
6 |
5 |
Starr Intl Group |
018756 |
255,182 |
10.0 |
6.1 |
5.9 |
5.4 |
78.7 |
91.7 |
108.8 |
6.7 |
7 |
7 |
Hartford Ins Group |
000048 |
170,221 |
-6.2 |
4.1 |
4.6 |
5.3 |
93.9 |
86.3 |
47.2 |
1.4 |
8 |
12 |
Great Amer P & C Ins Group |
004835 |
153,234 |
29.8 |
3.7 |
3.0 |
3.2 |
48.6 |
54.5 |
55.9 |
2.3 |
9 |
9 |
CNA Ins Cos |
018313 |
150,142 |
8.9 |
3.6 |
3.5 |
3.6 |
60.2 |
59.9 |
14.8 |
1.3 |
10 |
11 |
Intact US Ins Group |
018458 |
141,735 |
11.4 |
3.4 |
3.2 |
3.5 |
59.5 |
45.4 |
65.1 |
10.4 |
11 |
15 |
Liberty Mutual Ins Cos |
000060 |
132,962 |
21.2 |
3.2 |
2.8 |
2.7 |
56.7 |
66.3 |
49.6 |
0.4 |
12 |
10 |
Markel Corp Group |
018468 |
125,147 |
-6.9 |
3.0 |
3.4 |
3.6 |
40.1 |
60.1 |
65.6 |
2.1 |
13 |
8 |
Allianz US PC Ins Companies |
018429 |
105,485 |
-37.5 |
2.5 |
4.3 |
4.8 |
75.3 |
93.4 |
67.2 |
2.1 |
14 |
14 |
XL Reins America Group |
018557 |
99,453 |
-10.5 |
2.4 |
2.8 |
3.7 |
71.9 |
72.2 |
78.6 |
1.4 |
15 |
16 |
Zurich Ins US PC Group |
018549 |
99,364 |
8.5 |
2.4 |
2.3 |
2.3 |
47.9 |
57.4 |
66.0 |
0.7 |
16 |
13 |
Amer Steamship Owners Mut P & I Assn |
000161 |
92,445 |
-20.0 |
2.2 |
2.9 |
2.4 |
49.7 |
48.5 |
46.9 |
100.0 |
17 |
17 |
Sompo Hldgs US Group |
018878 |
73,160 |
1.1 |
1.8 |
1.8 |
1.9 |
59.1 |
66.8 |
114.0 |
1.4 |
18 |
26 |
Ascot Ins U.S. Group |
018915 |
65,730 |
113.6 |
1.6 |
0.8 |
0.0 |
57.8 |
39.7 |
0.0 |
25.9 |
19 |
18 |
Farmers Ins Group |
000032 |
61,056 |
5.9 |
1.5 |
1.5 |
1.6 |
69.2 |
72.1 |
79.0 |
0.3 |
20 |
19 |
Hanover Ins Group Prop & Cas Cos |
004861 |
53,102 |
12.2 |
1.3 |
1.2 |
1.4 |
32.7 |
31.4 |
48.3 |
1.0 |
21 |
37 |
Nationwide Group |
005987 |
51,260 |
374.1 |
1.2 |
0.3 |
0.4 |
77.0 |
68.2 |
81.6 |
0.3 |
22 |
22 |
RLI Group |
003883 |
42,395 |
6.4 |
1.0 |
1.0 |
0.9 |
44.1 |
53.9 |
57.9 |
3.8 |
23 |
30 |
Argo Group |
004019 |
41,946 |
52.0 |
1.0 |
0.7 |
0.5 |
38.2 |
46.4 |
47.3 |
2.1 |
24 |
20 |
HDI/Talanx US PC Group |
018907 |
41,794 |
-8.2 |
1.0 |
1.2 |
1.3 |
24.6 |
85.2 |
21.4 |
6.2 |
25 |
25 |
ProSight Specialty Group |
000419 |
41,225 |
9.8 |
1.0 |
1.0 |
1.0 |
28.8 |
37.8 |
72.2 |
5.0 |
|
|
Top 25 Writers |
|
$3,792,675 |
5.2 |
90.9 |
91.4 |
92.7 |
55.3 |
57.4 |
51.7 |
1.3 |
|
|
Total U.S. P/C Industry |
|
$4,171,853 |
5.8 |
100.0 |
100.0 |
100.0 |
55.0 |
58.4 |
52.6 |
0.6 |
Note: Data for some companies in this report has been received from the NAIC.
Reflects Grand Total (includes Canada and U.S. Territories).
Source: — State/Line (P/C Lines) - P/C, US; data as of: Oct. 1, 2021