Frontier Capital Management Co LLC

SEC CIK: 0000351173
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

ALK holding history

Alaska Air Group, Inc. in every 13F filed by Frontier Capital Management Co LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ALK overview All 13F holders of ALK Full Q2 2026 holdings

Shares (Q2 2026): 3,384,643
Value: $176.7M
% of portfolio: 1.6%
Quarters held: 22; Since Q1 2021

Holdings of ALK by Frontier Capital Management Co LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	3,384,643	$176.7M	1.6%	+11,056+0.3%	Added	Holders
Q1 2026	3,373,587	$124.1M	1.3%	+1,092,815+47.9%	Added	Holders
Q4 2025	2,280,772	$114.7M	1.2%	+491,752+27.5%	Added	Holders
Q3 2025	1,789,020	$89.1M	0.8%	+779,703+77.3%	Added	Holders
Q2 2025	1,009,317	$49.9M	0.5%	+443,572+78.4%	Added	Holders
Q1 2025	565,745	$27.8M	0.3%	−412,993−42.2%	Reduced	Holders
Q4 2024	978,738	$63.4M	0.6%	−201,070−17.0%	Reduced	Holders
Q3 2024	1,179,808	$53.3M	0.5%	−277,501−19.0%	Reduced	Holders
Q2 2024	1,457,309	$58.9M	0.6%	+119,881+9.0%	Added	Holders
Q1 2024	1,337,428	$57.5M	0.5%	+468,383+53.9%	Added	Holders
Q4 2023	869,045	$34.0M	0.3%	+612,575+238.8%	Added	Holders
Q3 2023	256,470	$9.51M	0.1%	+30,048+13.3%	Added	Holders
Q2 2023	226,422	$12.0M	0.1%	−2,317−1.0%	Reduced	Holders
Q1 2023	228,739	$9.60M	0.1%	−1,234−0.5%	Reduced	Holders
Q4 2022	229,973	$9.88M	0.1%	−679−0.3%	Reduced	Holders
Q3 2022	230,652	$9.03M	0.1%	+18,497+8.7%	Added	Holders
Q2 2022	212,155	$8.50M	0.1%	+23,933+12.7%	Added	Holders
Q1 2022	188,222	$10.9M	0.1%	−691−0.4%	Reduced	Holders
Q4 2021	188,913	$9.84M	0.1%	−2,657−1.4%	Reduced	Holders
Q3 2021	191,570	$11.2M	0.1%	−5,164−2.6%	Reduced	Holders
Q2 2021	196,734	$11.9M	0.1%	+10,378+5.6%	Added	Holders
Q1 2021	186,356	$12.9M	0.1%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.