SEATTLE, WA
ALASKA AIR GROUP, INC.ALK— Latest position per institution from SEC 13F filings
15
Institutional holders
98.01M
Total shares held
4.94B
Estimated value
4.90M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
16.24M
Value
655.94M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
11.62M
Value
606.31M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
11.06M
Value
556.29M
Filed
Dec 31, 2025
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
6.49M
Value
338.71M
Filed
Jun 30, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
5.33M
Value
278.08M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
4.97M
Value
259.61M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
4.96M
Value
258.90M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
3.56M
Value
186.04M
Filed
Jun 30, 2026
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
3.47M
Value
181.05M
Filed
Jun 30, 2026
BOSTON PARTNERS
CIK 1386060
Shares
3.46M
Value
224.12M
Filed
Dec 31, 2024
FRONTIER CAPITAL MANAGEMENT CO LLC
CIK 351173
Shares
3.38M
Value
176.68M
Filed
Jun 30, 2026
PRIMECAP MANAGEMENT CO/CA/
CIK 763212
Shares
3.23M
Value
168.47M
Filed
Jun 30, 2026
CAUSEWAY CAPITAL MANAGEMENT LLC
CIK 1165797
Shares
3.18M
Value
166.16M
Filed
Jun 30, 2026
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 912938
Shares
2.88M
Value
150.12M
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
2.77M
Value
144.62M
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
2.40M
Value
125.53M
Filed
Jun 30, 2026
D1 CAPITAL PARTNERS L.P.
CIK 1747057
Shares
2.34M
Value
116.40M
Filed
Sep 30, 2025
MORGAN STANLEY
CIK 895421
Shares
2.29M
Value
119.67M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
2.20M
Value
114.86M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
2.18M
Value
113.73M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 16.24M | 655.94M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 11.62M | 606.31M | Jun 30, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 11.06M | 556.29M | Dec 31, 2025 |
| 4 | DIMENSIONAL FUND ADVISORS LP | 354204 | 6.49M | 338.71M | Jun 30, 2026 |
| 5 | AMERICAN CENTURY COMPANIES INC | 748054 | 5.33M | 278.08M | Jun 30, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 4.97M | 259.61M | Jun 30, 2026 |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 4.96M | 258.90M | Jun 30, 2026 |
| 8 | STATE STREET CORP | 93751 | 3.56M | 186.04M | Jun 30, 2026 |
| 9 | CAPITAL WORLD INVESTORS | 1422849 | 3.47M | 181.05M | Jun 30, 2026 |
| 10 | BOSTON PARTNERS | 1386060 | 3.46M | 224.12M | Dec 31, 2024 |
| 11 | FRONTIER CAPITAL MANAGEMENT CO LLC | 351173 | 3.38M | 176.68M | Jun 30, 2026 |
| 12 | PRIMECAP MANAGEMENT CO/CA/ | 763212 | 3.23M | 168.47M | Jun 30, 2026 |
| 13 | CAUSEWAY CAPITAL MANAGEMENT LLC | 1165797 | 3.18M | 166.16M | Jun 30, 2026 |
| 14 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 912938 | 2.88M | 150.12M | Jun 30, 2026 |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 2.77M | 144.62M | Jun 30, 2026 |
| 16 | JANE STREET GROUP, LLC | 1595888 | 2.40M | 125.53M | Jun 30, 2026 |
| 17 | D1 CAPITAL PARTNERS L.P. | 1747057 | 2.34M | 116.40M | Sep 30, 2025 |
| 18 | MORGAN STANLEY | 895421 | 2.29M | 119.67M | Jun 30, 2026 |
| 19 | CITADEL ADVISORS LLC | 1423053 | 2.20M | 114.86M | Jun 30, 2026 |
| 20 | FMR LLC | 315066 | 2.18M | 113.73M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.