Current Table

Top 10 Health Insurance Groups By Direct Premiums Written, 2019 (1)

($000)

Rank Group/company Direct premiums written Market share
1 UnitedHealth Group Inc. $106,640,817 14.2%
2 Humana Inc. 63,618,302 8.5
3 HealthCare Service Corp. 39,629,317 5.3
4 CVS Health Corp. 26,079,700 3.5
5 Independence Health Group Inc. 17,863,377 2.4
6 Blue Cross Blue Shield of MI 14,465,141 1.9
7 Horizon Blue Cross Blue Shield of NJ 12,253,311 1.6
8 Highmark Insurance Group 11,023,602 1.5
9 CareSource 10,216,479 1.4
10 UPMC Health Plan 9,823,011 1.3

(1) Based on health insurer annual statement data. Excludes health insurance data from the property/casualty and life/annuity annual statements. Excludes territories.

Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.

 
TOP TEN HEALTH INSURANCE GROUPS BY DIRECT PREMIUMS WRITTEN, 2008 (1)

($ billions)

Rank Group Direct premiums written Market share
1 United Health Group $71.7 11.76%
2 WellPoint Inc. Group 54.5 8.94
3 Kaiser Foundation Group 46.3 7.60
4 Aetna Group 25.5 4.18
5 Humana Group 25.0 4.10
6 HCSC Group 16.8 2.77
7 American Family Corp. Group 13.4 2.19
8 Highmark Group 12.3 2.02
9 Coventry Corp. Group 11.1 1.82
10 Independence Blue Cross Group 10.0 1.64

(1) Includes data from the property/casualty, life/health, fraternal and health annual statements.    
   
Source: National Association of Insurance Commissioners (NAIC). Reprinted with permission. Further reprint or redistribution strictly prohibited without written permission of NAIC.   

 
TOP TEN HEALTH INSURANCE GROUPS BY DIRECT PREMIUMS WRITTEN, 2009 (1)

($ billions)

Rank Group Direct premiums written Market share
1 UnitedHealth Group $80.1 12.36%
2 Wellpoint Inc. Group 56.3 8.69
3 Kaiser Foundation Group 48.4 7.46
4 Aetna Group 28.1 4.33
5 Humana Group 26.6 4.11
6 HCSC Group 18.3 2.82
7 American Family Corp. Group 14.8 2.29
8 Coventry Corp. Group 13.1 2.02
9 Highmark Group 12.9 1.98
10 Independence Blue Cross Group 10.2 1.57

(1) Includes data from the property/casualty, life/health, fraternal and health annual statements.

Source: National Association of Insurance Commissioners (NAIC). Reprinted with permission. Further reprint or redistribution strictly prohibited without written permission of NAIC.

 
TOP TEN HEALTH INSURANCE GROUPS BY DIRECT PREMIUMS WRITTEN, 2010 (1)

($ billions)

Rank Group Direct premiums written Market share
1 WellPoint Inc.  $42.2 10.7%
2 UnitedHealth Group Inc.  41.1 10.4
3 Health Care Services Corporation  20.2 5.1
4 Humana Inc.  13.2 3.3
5 Highmark Inc.  11.6 2.9
6 Aetna Inc.  10.0 2.5
7 Coventry Health Care Inc.  9.8 2.5
8 EmblemHealth Inc.  9.7 2.4
9 Kaiser Foundation Health Plan Inc.  9.5 2.4
10 Independence Blue Cross  9.3 2.4

(1) Based on health insurer annual statement data. Does not include health insurance data from the property/casualty and life/health annual statements.

Source: SNL Financial LC.

 
TOP TEN HEALTH INSURANCE GROUPS BY DIRECT PREMIUMS WRITTEN, 2011 (1)

($ billions)

Rank Group Direct premiums written Market share
1 UnitedHealth Group Inc. $47.0 11.2%
2 WellPoint Inc. 44.7 10.7
3 Health Care Service Corporation 20.7 4.9
4 Humana Inc. 14.9 3.6
5 Highmark Inc. 12.2 2.9
6 Coventry Health Care Inc. 10.3 2.5
7 Kaiser Foundation Health Plan Inc. 10.3 2.5
8 Aetna Inc. 9.8 2.4
9 EmblemHealth Inc. 9.5 2.3
10 Independence Blue Cross 9.4 2.2

(1) Based on health insurer annual statement data. Does not include health insurance data from the property/casualty and life/health annual statements.

Source: SNL Financial LC.

 
TOP TEN HEALTH INSURANCE GROUPS BY DIRECT PREMIUMS WRITTEN, 2013 (1)

($000)

Rank Group/company Direct premiums written Market share
1 WellPoint Inc. $51,356,097 11.2%
2 UnitedHealth Group Inc. 51,269,926 11.2
3 Health Care Service Corporation 23,682,045 5.2
4 Aetna Inc. 20,628,578 4.5
5 Humana Inc. 17,836,173 3.9
6 Highmark Insurance Group 11,600,299 2.5
7 Kaiser Foundation Health Plan Inc. 10,597,597 2.3
8 Independence Blue Cross 10,370,198 2.3
9 EmblemHealth Inc. 9,953,798 2.2
10 Centene Corp. 9,928,499 2.2

(1) Based on health insurer annual statement data. Excludes health insurance data from the property/casualty and life/health Annual Statements. Excludes territories.

Source: SNL Financial LC.

 
TOP 10 HEALTH INSURANCE GROUPS BY DIRECT PREMIUMS WRITTEN, 2014

($000)

Rank Group/company Direct premiums written (1) Market share (2)
1 UnitedHealth Group Inc. $54,968,422 10.3%
2 Anthem Inc. (3) 52,217,860 9.8
3 Humana Inc. 45,598,914 8.6
4 HealthCare Service Corp. 28,740,192 5.4
5 Aetna Inc. 23,099,513 4.3
6 Centene Corp. 13,530,755 2.5
7 Independence Health Group Inc. 12,249,432 2.3
8 Highmark Insurance Group 11,765,600 2.2
9 Kaiser Foundation Health Plan Inc. 11,173,259 2.1
10 WellCare Health Plans Inc. 11,161,715 2.1

(1) Based on health insurer annual statement data. Excludes health insurance data from the property/casualty and life/health annual statements. Excludes territories.
(2) Based on U.S. total, includes territories.
(3) WellPoint Inc., which was ranked first in 2013, was renamed Anthem Inc. in December 2014.

Source: SNL Financial LC.

 
Top 10 Health Insurance Groups By Direct Premiums Written, 2015

($000)

Rank Group/company Direct premiums written (1) Market share
1 UnitedHealth Group Inc. $67,486,464 11.4%
2 Anthem Inc. 54,715,501 9.2
3 Humana Inc. 51,405,175 8.7
4 HealthCare Service Corp. 32,644,621 5.5
5 Aetna Inc. 24,417,307 4.1
6 Centene Corp. 20,261,187 3.4
7 Independence Health Group Inc. 14,291,608 2.4
8 WellCare Health Plans Inc. 12,229,584 2.1
9 Kaiser Foundation Health Plan Inc. 11,934,022 2.0
10 Molina Healthcare Inc. 11,918,163 2.0

(1) Based on health insurer annual statement data. Excludes health insurance data from the property/casualty and life/health annual statements. Excludes territories.

Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.

 
Top 10 Health Insurance Groups By Direct Premiums Written, 2016

($000)

Rank Group/company Direct premiums written (1) Market share
1 UnitedHealth Group Inc. $79,472,441 12.5%
2 Anthem Inc. 58,748,993 9.2
3 Humana Inc. 53,601,025 8.4
4 HealthCare Service Corp. 32,157,585 5.0
5 Aetna Inc. 24,414,237 3.8
6 Centene Corp. 24,070,523 3.8
7 Independence Health Group Inc. 17,013,754 2.7
8 Kaiser Foundation Health Plan Inc. 16,166,834 2.5
9 Molina Healthcare Inc. 15,317,439 2.4
10 WellCare Health Plans Inc. 13,451,891 2.1

(1) Based on health insurer annual statement data. Excludes health insurance data from the property/casualty and life/health annual statements. Excludes territories.

Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.

 
Top 10 Health Insurance Groups By Direct Premiums Written, 2017

($000)

Rank Group/company Direct premiums written (1) Market share
1 UnitedHealth Group Inc. $86,431,430 12.9%
2 Anthem Inc. 65,696,295 9.8
3 Humana Inc. 53,224,860 7.9
4 HealthCare Service Corp.  34,304,533 5.1
5 Centene Corp. 28,260,282 4.2
6 Aetna Inc. 20,525,502 3.1
7 Kaiser Foundation Health Plan Inc. 17,406,943 2.6
8 Independence Health Group Inc. 17,014,038 2.5
9 Molina Healthcare Inc. 16,665,219 2.5
10 GuideWell Mutual Holding Corp. 15,253,562 2.3

(1) Based on health insurer annual statement data. Excludes health insurance data from the property/casualty and life/health annual statements. Excludes U.S. territories.

Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.

 
Top 10 Health Insurance Groups By Direct Premiums Written, 2018 (1)

($000)

Rank Group/company Direct premiums written Market share
1 UnitedHealth Group Inc. $100,589,323 14.1%
2 Anthem Inc. 66,121,463 9.2
3 Humana Inc. 55,903,897 7.8
4 HealthCare Service Corp. 37,655,147 5.3
5 Centene Corp. 35,334,497 4.9
6 CVS Health Corp. (2) 21,645,211 3.0
7 WellCare Health Plans Inc. 19,907,554 2.8
8 Kaiser Permanente 19,279,172 2.7
9 GuideWell Mutual Holding Corp. 17,954,524 2.5
10 Molina Healthcare Inc. 16,216,140 2.3

(1) Based on health insurer annual statement data. Excludes health insurance data from the property/casualty and life/annuity annual statements. Excludes territories.
(2) CVS Health Corp. and Aetna Inc. completed a merger in 2019.

Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.