| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2018-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | ALASKA AIR GROUP, INC. | 9,042,552 | 7.3% | EDGAR |
| SC 13G/A | 2018-02-08 | VANGUARD GROUP INC | ALASKA AIR GROUP, INC. | 12,037,170 | 9.8% | EDGAR |
| SC 13G/A | 2018-01-29 | BlackRock Inc. | ALASKA AIR GROUP, INC. | 7,310,003 | 5.9% | EDGAR |
| SC 13G/A | 2017-02-13 | VANGUARD CHESTER FUNDS | ALASKA AIR GROUP, INC. | 5,273,600 | 4.3% | EDGAR |
| SC 13G/A | 2017-02-13 | PRIMECAP MANAGEMENT CO/CA/ | ALASKA AIR GROUP, INC. | 6,100,300 | 5.0% | EDGAR |
| SC 13G/A | 2017-02-09 | VANGUARD GROUP INC | ALASKA AIR GROUP, INC. | 11,997,698 | 9.7% | EDGAR |
| SC 13G/A | 2017-02-09 | PRIMECAP MANAGEMENT CO/CA/ | ALASKA AIR GROUP, INC. | 6,386,900 | 5.2% | EDGAR |
| SC 13G | 2017-01-30 | BlackRock Inc. | ALASKA AIR GROUP, INC. | 6,911,024 | 5.6% | EDGAR |
| SC 13G | 2017-01-10 | PRICE T ROWE ASSOCIATES INC /MD/ | ALASKA AIR GROUP, INC. | 12,509,734 | 10.1% | EDGAR |
| SC 13G/A | 2016-06-09 | BlackRock Inc. | ALASKA AIR GROUP, INC. | 6,021,595 | 4.9% | EDGAR |
| SC 13D | 2016-04-08 | ALASKA AIR GROUP, INC. | Virgin America Inc. | 10,517,156 | 27.9% | EDGAR |
| SC 13G/A | 2016-02-12 | PRIMECAP MANAGEMENT CO/CA/ | ALASKA AIR GROUP, INC. | 7,538,700 | 6.0% | EDGAR |
| SC 13G/A | 2016-02-11 | RENAISSANCE TECHNOLOGIES LLC | ALASKA AIR GROUP, INC. | 4,799,500 | 3.8% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | ALASKA AIR GROUP, INC. | 9,311,982 | 7.4% | EDGAR |
| SC 13G | 2016-02-09 | VANGUARD CHESTER FUNDS | ALASKA AIR GROUP, INC. | 6,431,800 | 5.1% | EDGAR |
| SC 13G/A | 2016-01-25 | BlackRock Inc. | ALASKA AIR GROUP, INC. | 9,125,714 | 7.2% | EDGAR |
| SC 13G/A | 2015-02-13 | PRIMECAP MANAGEMENT CO/CA/ | ALASKA AIR GROUP, INC. | 7,196,526 | 5.4% | EDGAR |
| SC 13G/A | 2015-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | ALASKA AIR GROUP, INC. | 2,453,425 | 1.8% | EDGAR |
| SC 13G/A | 2015-02-12 | RENAISSANCE TECHNOLOGIES LLC | ALASKA AIR GROUP, INC. | 7,811,600 | 5.9% | EDGAR |
| SC 13G/A | 2015-02-11 | VANGUARD GROUP INC | ALASKA AIR GROUP, INC. | 8,851,920 | 6.7% | EDGAR |