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 Q2	$131K	Sell	2,500 -4,900	-66%	-$209K	﹤0.01%	2363
2026 Q1	$272K	Buy	+7,400	New	+$357K	﹤0.01%	2186
2025 Q3	–	Sell	-7,200	Closed	-$356K	–	2894
2025 Q2	$356K	Buy	7,200 +2,500	+53%	+$121K	﹤0.01%	2254
2025 Q1	$231K	Sell	4,700 -20,600	-81%	-$1.35M	﹤0.01%	2383
2024 Q4	$1.64M	Buy	+25,300	New	+$1.33M	﹤0.01%	1532

Other funds holding ALK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

CCM

Causeway Capital Management Los Angeles, California $9.24B AUM 21.27% 1-Year Est. Return

PEAK6's ALK Position: Q2 2026 in Review

PEAK6 opened a new position in Alaska Air (ALK) in Q2 2026: 157,410 shares worth $8.22M. The stake represents 0.02% of the portfolio and ranks #654 among its holdings. This is a return to the name: PEAK6 previously reported a position in ALK as recently as Q4 2025.

PEAK6 first reported a position in ALK in Q4 2024 and has held it in 4 quarters since. 489 funds tracked by Wall St. Rank hold ALK as of Q2 2026.

PEAK6 held 157,410 shares of Alaska Air worth $8.22M as of Q2 2026.
Alaska Air was a new PEAK6 position in Q2 2026.
Alaska Air made up 0.02% of PEAK6's portfolio in Q2 2026, its #654 holding.
PEAK6 first reported a position in Alaska Air in Q4 2024 and has held it in 4 quarters since.
489 funds tracked by Wall St. Rank held Alaska Air as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.