United States

Top 42 largest US Companies in the Insurance—Property & Casualty industry by Market Cap

This is the list of the largest public listed companies in the Insurance—Property & Casualty industry from the United States by market capitalization with links to their reference stock.

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Top Insurance—Property & Casualty Companies from the United States as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
1 The Progressive Corporation $124.34 B United States US Financials US Insurance—Property & Casualty
2 The Travelers Companies, Inc. $64.21 B United States US Financials US Insurance—Property & Casualty
3 The Allstate Corporation $53.70 B United States US Financials US Insurance—Property & Casualty
4 Markel Corporation $26.95 B United States US Financials US Insurance—Property & Casualty
5 W. R. Berkley Corporation $26.36 B United States US Financials US Insurance—Property & Casualty
6 Cincinnati Financial Corporation $25.25 B United States US Financials US Insurance—Property & Casualty
7 Loews Corporation $21.71 B United States US Financials US Insurance—Property & Casualty
8 CNA Financial Corporation $12.69 B United States US Financials US Insurance—Property & Casualty
9 Alleghany Corporation $11.41 B

(Oct. 1, 2022)

 United States US Financials US Insurance—Property & Casualty
10 American Financial Group, Inc. $11.24 B United States US Financials US Insurance—Property & Casualty
11 Kinsale Capital Group, Inc. $9.14 B United States US Financials US Insurance—Property & Casualty
12 The Hanover Insurance Group, Inc. $6.41 B United States US Financials US Insurance—Property & Casualty
13 RLI Corp. $5.74 B United States US Financials US Insurance—Property & Casualty
14 Lemonade, Inc. $5.68 B United States US Financials US Insurance—Property & Casualty
15 Mercury General Corporation $5.08 B United States US Financials US Insurance—Property & Casualty
16 Selective Insurance Group, Inc. $5.08 B United States US Financials US Insurance—Property & Casualty
17 Palomar Holdings, Inc. $3.53 B United States US Financials US Insurance—Property & Casualty
18 NMI Holdings, Inc. $3.15 B United States US Financials US Insurance—Property & Casualty
19 AmTrust Financial Services, Inc. $2.74 B United States US Financials US Insurance—Property & Casualty
20 Kemper Corporation $2.48 B United States US Financials US Insurance—Property & Casualty
21 HCI Group, Inc. $2.38 B United States US Financials US Insurance—Property & Casualty
22 State Auto Financial Corporation $2.32 B

(Feb. 1, 2022)

 United States US Financials US Insurance—Property & Casualty
23 Stewart Information Services Corporation $2.11 B United States US Financials US Insurance—Property & Casualty
24 Horace Mann Educators Corporation $1.84 B United States US Financials US Insurance—Property & Casualty
25 ProAssurance Corporation $1.23 B United States US Financials US Insurance—Property & Casualty
26 Safety Insurance Group, Inc. $1.13 B United States US Financials US Insurance—Property & Casualty
27 Root, Inc. $1.10 B United States US Financials US Insurance—Property & Casualty
28 United Fire Group, Inc. $907.8 M United States US Financials US Insurance—Property & Casualty
29 Universal Insurance Holdings, Inc. $898.0 M United States US Financials US Insurance—Property & Casualty
30 Heritage Insurance Holdings, Inc. $846.2 M United States US Financials US Insurance—Property & Casualty

Top Insurance—Property & Casualty Companies from the United States as of Jan. 01, 2026

1. The Progressive Corporation

Company Profile: The Progressive Corporation
Market Cap (USD): $124.34 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

2. The Travelers Companies, Inc.

Company Profile: The Travelers Companies, Inc.
Market Cap (USD): $64.21 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

3. The Allstate Corporation

Company Profile: The Allstate Corporation
Market Cap (USD): $53.70 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

4. Markel Corporation

Company Profile: Markel Corporation
Market Cap (USD): $26.95 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

5. W. R. Berkley Corporation

Company Profile: W. R. Berkley Corporation
Market Cap (USD): $26.36 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

6. Cincinnati Financial Corporation

Company Profile: Cincinnati Financial Corporation
Market Cap (USD): $25.25 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

7. Loews Corporation

Company Profile: Loews Corporation
Market Cap (USD): $21.71 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

8. CNA Financial Corporation

Company Profile: CNA Financial Corporation
Market Cap (USD): $12.69 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

9. Alleghany Corporation

Company Profile: Alleghany Corporation
Market Cap (USD): $11.41 B (Oct. 1, 2022)
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

10. American Financial Group, Inc.

Company Profile: American Financial Group, Inc.
Market Cap (USD): $11.24 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

11. Kinsale Capital Group, Inc.

Company Profile: Kinsale Capital Group, Inc.
Market Cap (USD): $9.14 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

12. The Hanover Insurance Group, Inc.

Company Profile: The Hanover Insurance Group, Inc.
Market Cap (USD): $6.41 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

13. RLI Corp.

Company Profile: RLI Corp.
Market Cap (USD): $5.74 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

14. Lemonade, Inc.

Company Profile: Lemonade, Inc.
Market Cap (USD): $5.68 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

15. Mercury General Corporation

Company Profile: Mercury General Corporation
Market Cap (USD): $5.08 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

16. Selective Insurance Group, Inc.

Company Profile: Selective Insurance Group, Inc.
Market Cap (USD): $5.08 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

17. Palomar Holdings, Inc.

Company Profile: Palomar Holdings, Inc.
Market Cap (USD): $3.53 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

18. NMI Holdings, Inc.

Company Profile: NMI Holdings, Inc.
Market Cap (USD): $3.15 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

19. AmTrust Financial Services, Inc.

Company Profile: AmTrust Financial Services, Inc.
Market Cap (USD): $2.74 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

20. Kemper Corporation

Company Profile: Kemper Corporation
Market Cap (USD): $2.48 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

21. HCI Group, Inc.

Company Profile: HCI Group, Inc.
Market Cap (USD): $2.38 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

22. State Auto Financial Corporation

Company Profile: State Auto Financial Corporation
Market Cap (USD): $2.32 B (Feb. 1, 2022)
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

23. Stewart Information Services Corporation

Company Profile: Stewart Information Services Corporation
Market Cap (USD): $2.11 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

24. Horace Mann Educators Corporation

Company Profile: Horace Mann Educators Corporation
Market Cap (USD): $1.84 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

25. ProAssurance Corporation

Company Profile: ProAssurance Corporation
Market Cap (USD): $1.23 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

26. Safety Insurance Group, Inc.

Company Profile: Safety Insurance Group, Inc.
Market Cap (USD): $1.13 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

27. Root, Inc.

Company Profile: Root, Inc.
Market Cap (USD): $1.10 B
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

28. United Fire Group, Inc.

Company Profile: United Fire Group, Inc.
Market Cap (USD): $907.8 M
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

29. Universal Insurance Holdings, Inc.

Company Profile: Universal Insurance Holdings, Inc.
Market Cap (USD): $898.0 M
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

30. Heritage Insurance Holdings, Inc.

Company Profile: Heritage Insurance Holdings, Inc.
Market Cap (USD): $846.2 M
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

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