ALK Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
HARRISON ANDREW R EVP AND CCO 2026-08-03 5,300 $263,256

How Institutional Funds Moved on ALK

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
Sixth Street Partners Management Company, L.P. Sixth Street Partners Management Company, L.P. opened a new position worth $64,972,557. 2026-06-30
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ MASSACHUSETTS FINANCIAL SERVICES CO /MA/ increased this position by 42% ($92,047,430 -> $130,465,861). 2026-06-30
Capital World Investors Capital World Investors increased this position by 39% ($129,833,363 -> $181,051,367). 2026-06-30
AMERICAN CENTURY COMPANIES INC AMERICAN CENTURY COMPANIES INC increased this position by 53% ($181,647,128 -> $278,079,611). 2026-06-30
CAUSEWAY CAPITAL MANAGEMENT LLC CAUSEWAY CAPITAL MANAGEMENT LLC increased this position by 81% ($92,031,362 -> $166,161,153). 2026-06-30
MARSHALL WACE, LLP MARSHALL WACE, LLP increased this position by 2098% ($2,199,371 -> $48,331,511). 2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC VANGUARD CAPITAL MANAGEMENT LLC increased this position by 40% ($185,760,627 -> $259,611,845). 2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC VANGUARD PORTFOLIO MANAGEMENT LLC increased this position by 36% ($189,737,133 -> $258,901,456). 2026-06-30

Which Funds Hold ALK

Largest reported positions as of 2026-06-30.

FundValueShares
DIMENSIONAL FUND ADVISORS LP $325,786,255 6,241,117
AMERICAN CENTURY COMPANIES INC $278,079,611 5,327,194
VANGUARD CAPITAL MANAGEMENT LLC $259,611,845 4,973,407
VANGUARD PORTFOLIO MANAGEMENT LLC $258,901,456 4,959,798
Capital World Investors $181,051,367 3,468,417
FRONTIER CAPITAL MANAGEMENT CO LLC $176,678,385 3,384,643
PRIMECAP MANAGEMENT CO/CA/ $168,466,626 3,227,329
CAUSEWAY CAPITAL MANAGEMENT LLC $166,161,153 3,183,163
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $130,465,861 2,499,346
SEMPER AUGUSTUS INVESTMENTS GROUP LLC $93,627,329 1,793,627

Data compiled from public SEC filings. This is informational reporting, not investment advice.

Capital World Investors: 13F Portfolio Moves Tracked Quarterly

Capital World Investors 13F portfolio moves for the quarter ending 2026-03-31

Capital World Investors’s portfolio moves, tracked quarter by quarter. This profile follows the institutional investor’s Form 13F disclosures over time, giving a running record of new positions, exits, and adjustments as they are reported to the SEC. Because 13F filings only reveal a snapshot of holdings at quarter-end, this page will be refreshed with each … Read more