| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13D/A | 2018-07-18 | TCTC Holdings, LLC | HollyFrontier Corp | 12,605,755 | 7.1% | EDGAR |
| SC 13D/A | 2018-02-23 | HollyFrontier Corp | HOLLY ENERGY PARTNERS LP | - | 56.6% | EDGAR |
| SC 13G/A | 2018-01-19 | BlackRock Inc. | HollyFrontier Corp | 21,637,668 | 12.2% | EDGAR |
| SC 13G/A | 2018-01-10 | VANGUARD GROUP INC | HollyFrontier Corp | 18,175,724 | 10.2% | EDGAR |
| SC 13D/A | 2017-11-01 | HollyFrontier Corp | HOLLY ENERGY PARTNERS LP | - | 58.7% | EDGAR |
| SC 13D/A | 2017-10-20 | HollyFrontier Corp | HOLLY ENERGY PARTNERS LP | - | 35.0% | EDGAR |
| SC 13D/A | 2017-05-05 | HollyFrontier Corp | HOLLY ENERGY PARTNERS LP | - | 35.0% | EDGAR |
| SC 13G/A | 2017-02-13 | VANGUARD GROUP INC | HollyFrontier Corp | 14,949,516 | 8.5% | EDGAR |
| SC 13G/A | 2017-01-12 | BlackRock Inc. | HollyFrontier Corp | 19,086,417 | 10.8% | EDGAR |
| SC 13D/A | 2016-10-11 | HollyFrontier Corp | HOLLY ENERGY PARTNERS LP | - | 35.6% | EDGAR |
| SC 13G/A | 2016-05-10 | BlackRock Inc. | HollyFrontier Corp | 17,773,774 | 10.1% | EDGAR |
| SC 13G/A | 2016-02-11 | VANGUARD GROUP INC | HollyFrontier Corp | 14,809,691 | 8.1% | EDGAR |
| SC 13G/A | 2016-02-10 | BlackRock Inc. | HollyFrontier Corp | 17,155,968 | 9.4% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | HollyFrontier Corp | 12,460,306 | 6.4% | EDGAR |
| SC 13G/A | 2015-01-09 | BlackRock Inc. | HollyFrontier Corp | 20,048,364 | 10.2% | EDGAR |
| SC 13G/A | 2014-12-10 | BlackRock Inc. | HollyFrontier Corp | 19,943,937 | 10.2% | EDGAR |
| SC 13G/A | 2014-02-14 | FMR LLC | HollyFrontier Corp | 5,680,762 | 2.9% | EDGAR |
| SC 13G | 2014-02-11 | VANGUARD GROUP INC | HollyFrontier Corp | 10,714,666 | 5.4% | EDGAR |
| SC 13G/A | 2014-01-31 | BlackRock Inc. | HollyFrontier Corp | 19,289,454 | 9.7% | EDGAR |
| SC 13G/A | 2013-02-14 | FMR LLC | HollyFrontier Corp | 13,610,452 | 6.7% | EDGAR |