Twin Tree Management’s Alaska Air ALK Stock Holding History

Twin Tree Management’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	$857K	Buy	+23,300	New	+$1.12M	0.02%	785
2025 Q4	–	Sell	-39,000	Closed	-$1.94M	–	1371
2025 Q3	$1.94M	Buy	+39,000	New	+$2.17M	0.01%	1049
2025 Q2	–	Sell	-83,400	Closed	-$4.1M	–	1575
2025 Q1	$4.1M	Sell	83,400 -33,500	-29%	-$2.2M	0.01%	964
2024 Q4	$7.57M	Buy	+116,900	New	+$6.15M	0.01%	798
2021 Q4	–	Sell	-1,300	Closed	-$76K	–	1565
2021 Q3	$76K	Hold	1,300	–	–	﹤0.01%	1451
2021 Q2	$78K	Buy	+1,300	New	+$87.7K	﹤0.01%	1231
2019 Q3	–	Sell	-8,000	Closed	-$511K	–	1203
2019 Q2	$511K	Sell	8,000 -97,600	-92%	-$5.94M	﹤0.01%	888
2019 Q1	$5.93M	Sell	105,600 -54,400	-34%	-$3.32M	0.03%	397
2018 Q4	$9.74M	Buy	160,000 +88,500	+124%	+$5.72M	0.06%	324
2018 Q3	$4.92M	Buy	71,500 +16,200	+29%	+$1.05M	0.03%	402
2018 Q2	$3.34M	Buy	+55,300	New	+$3.42M	0.02%	523
2016 Q1	–	Sell	-48,900	Closed	-$3.94M	–	1205
2015 Q4	$3.94M	Sell	48,900 -13,200	-21%	-$1.05M	0.08%	242
2015 Q3	$4.93M	Buy	62,100 +42,600	+218%	+$3.25M	0.13%	142
2015 Q2	$1.26M	Buy	+19,500	New	+$1.26M	0.03%	559

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

Twin Tree Management's ALK Position: Q1 2026 in Review

Twin Tree Management opened a new position in Alaska Air (ALK) in Q1 2026: 22,730 shares worth $836K. The stake represents 0.02% of the portfolio and ranks #790 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in ALK as recently as Q3 2025.

Twin Tree Management first reported a position in ALK in Q3 2014 and has held it in 27 quarters since. The position peaked at $15.2M in Q4 2024. 449 funds tracked by Wall St. Rank hold ALK as of Q1 2026.

Twin Tree Management held 22,730 shares of Alaska Air worth $836K as of Q1 2026.
Alaska Air was a new Twin Tree Management position in Q1 2026.
Alaska Air made up 0.02% of Twin Tree Management's portfolio in Q1 2026, its #790 holding.
Twin Tree Management first reported a position in Alaska Air in Q3 2014 and has held it in 27 quarters since.
Twin Tree Management's Alaska Air position peaked at $15.2M in Q4 2024.
449 funds tracked by Wall St. Rank held Alaska Air as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.