PEAK6’s Alaska Air ALK Stock Holding History

PEAK6’s Portfolio ALK Stock Details ALK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-32,343	Closed	-$1.56M	–	2652
2025 Q4	$1.63M	Buy	32,343 +28,139	+669%	+$1.3M	﹤0.01%	1552
2025 Q3	$209K	Buy	+4,204	New	+$234K	﹤0.01%	2451
2025 Q1	–	Sell	-55,385	Closed	-$3.64M	–	2942
2024 Q4	$3.59M	Buy	+55,385	New	+$2.91M	0.01%	1083

Other funds holding ALK

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

DZ Bank Frankfurt Am Main, Germany $113B AUM 36.92% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return

PEAK6's ALK Position: Q1 2026 in Review

PEAK6 sold out of Alaska Air (ALK) in Q1 2026, closing a stake of 32,343 shares — an estimated $1.56M sold.

PEAK6 first reported a position in ALK in Q4 2024 and held it in 3 quarters. The position peaked at $3.59M in Q4 2024. 449 funds tracked by Wall St. Rank hold ALK as of Q1 2026.

PEAK6 reported no remaining Alaska Air position as of Q1 2026 after selling out during the quarter.
PEAK6 sold 32,343 Alaska Air shares in Q1 2026, an estimated $1.56M.
PEAK6 first reported a position in Alaska Air in Q4 2024 and held it in 3 quarters.
PEAK6's Alaska Air position peaked at $3.59M in Q4 2024.
449 funds tracked by Wall St. Rank held Alaska Air as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.