| SC 13G | 2014-02-13 | Capital Research Global Investors | HUMANA INC | 9,540,959 | 6.1% | EDGAR |
| SC 13G | 2014-02-13 | Capital World Investors | HUMANA INC | 11,638,780 | 7.5% | EDGAR |
| SC 13G/A | 2014-02-10 | BlackRock Inc. | HUMANA INC | 12,472,725 | 8.0% | EDGAR |
| SC 13G/A | 2014-01-17 | JPMORGAN CHASE & CO | HUMANA INC | - | - | EDGAR |
| SC 13G/A | 2013-02-11 | VANGUARD GROUP INC | HUMANA INC | 6,892,967 | 4.4% | EDGAR |
| SC 13G/A | 2013-02-01 | BlackRock Inc. | HUMANA INC | 14,226,679 | 9.0% | EDGAR |
| SC 13G/A | 2013-01-15 | JPMORGAN CHASE & CO | HUMANA INC | 11,091,319 | 7.0% | EDGAR |
| SC 13G/A | 2012-02-10 | BlackRock Inc. | HUMANA INC | 13,207,725 | 8.1% | EDGAR |
| SC 13G/A | 2012-02-08 | VANGUARD GROUP INC | HUMANA INC | 9,266,426 | 5.7% | EDGAR |
| SC 13G | 2012-01-19 | JPMORGAN CHASE & CO | HUMANA INC | 10,695,304 | 6.5% | EDGAR |
| SC 13G/A | 2011-02-14 | WELLINGTON MANAGEMENT CO LLP | HUMANA INC | 7,704,249 | 4.6% | EDGAR |
| SC 13G | 2011-02-10 | VANGUARD GROUP INC | HUMANA INC | 9,013,737 | 5.4% | EDGAR |
| SC 13G/A | 2011-02-02 | BlackRock Inc. | HUMANA INC | 13,155,358 | 7.8% | EDGAR |
| SC 13G/A | 2010-09-10 | FAIRHOLME CAPITAL MANAGEMENT LLC | HUMANA INC | 7,093,600 | 4.2% | EDGAR |
| SC 13G/A | 2010-02-16 | FAIRHOLME CAPITAL MANAGEMENT LLC | HUMANA INC | 15,879,600 | 9.4% | EDGAR |
| SC 13G/A | 2010-02-12 | WELLINGTON MANAGEMENT CO LLP | HUMANA INC | 11,428,520 | 6.7% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | HUMANA INC | 14,993,215 | 8.8% | EDGAR |
| SC 13G/A | 2009-07-10 | WELLINGTON MANAGEMENT CO LLP | HUMANA INC | 12,330,244 | 7.3% | EDGAR |
| SC 13G/A | 2009-02-17 | WELLINGTON MANAGEMENT CO LLP | HUMANA INC | 21,086,884 | 12.5% | EDGAR |
| SC 13G/A | 2009-02-03 | BARCLAYS GLOBAL INVESTORS NA /CA/ | HUMANA INC | 4,597,668 | 2.7% | EDGAR |