| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2013-02-08 | BlackRock Inc. | HollyFrontier Corp | 14,709,944 | 7.2% | EDGAR |
| SC 13D/A | 2012-08-06 | HollyFrontier Corp | HOLLY ENERGY PARTNERS LP | 1,029,900 | 42.7% | EDGAR |
| SC 13G/A | 2012-02-14 | FMR LLC | HollyFrontier Corp | 22,556,670 | 10.8% | EDGAR |
| SC 13G/A | 2012-02-13 | Allianz Global Investors Capital LLC | HollyFrontier Corp | 3,322,059 | 1.6% | EDGAR |
| SC 13G | 2012-02-09 | BlackRock Inc. | HollyFrontier Corp | 18,958,479 | 9.1% | EDGAR |
| SC 13G/A | 2012-02-08 | VANGUARD GROUP INC | HollyFrontier Corp | 10 | 12.0% | EDGAR |
| SC 13D/A | 2011-12-21 | HollyFrontier Corp | HOLLY ENERGY PARTNERS LP | - | 40.6% | EDGAR |
| SC 13D/A | 2011-09-06 | TCTC Holdings, LLC | HollyFrontier Corp | 14,301,098 | 6.8% | EDGAR |
| SC 13G | 2011-08-10 | FMR LLC | HollyFrontier Corp | 12,667,721 | 12.1% | EDGAR |
| SC 13D/A | 2011-07-05 | TCTC Holdings, LLC | HollyFrontier Corp | 7,212,799 | 6.9% | EDGAR |
| SC 13D | 2011-05-20 | TCTC Holdings, LLC | HOLLY CORP | 7,463,349 | 14.0% | EDGAR |
| SC 13D/A | 2011-02-25 | HOLLY CORP | HOLLY ENERGY PARTNERS LP | - | 33.0% | EDGAR |
| SC 13G/A | 2011-02-14 | FMR LLC | HOLLY CORP | 8,136,608 | 15.3% | EDGAR |
| SC 13G/A | 2011-02-14 | Allianz Global Investors Capital LLC | HOLLY CORP | 3,163,400 | 6.0% | EDGAR |
| SC 13G/A | 2011-02-11 | TCTC Holdings, LLC | HOLLY CORP | 7,800,749 | 14.7% | EDGAR |
| SC 13G/A | 2011-02-11 | LAZARD ASSET MANAGEMENT LLC | HOLLY CORP | 757,282 | 1.4% | EDGAR |
| SC 13G | 2011-02-10 | VANGUARD GROUP INC | HOLLY CORP | 2,714,148 | 5.1% | EDGAR |
| SC 13G/A | 2011-02-09 | TCTC Holdings, LLC | HOLLY CORP | 7,332,449 | 13.8% | EDGAR |
| SC 13D/A | 2011-01-14 | HOLLY CORP | HOLLY ENERGY PARTNERS LP | 0 | 33.0% | EDGAR |
| SC 13G | 2010-11-10 | FMR LLC | HOLLY CORP | 7,266,807 | 13.7% | EDGAR |