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CenterBook Partners’s Alaska Air ALK Stock Holding History

CenterBook Partners’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 		$9.5M Buy
258,186
+195,976
+315% +$9.45M 0.51% 39
2025
Q4 		$3.13M Buy
+62,210
New +$2.88M 0.15% 184

Other funds holding ALK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
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
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
DZ Bank
DZ Bank Frankfurt Am Main, Germany $113B AUM 36.92% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
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

CenterBook Partners's ALK Position: Q1 2026 in Review

CenterBook Partners increased its Alaska Air (ALK) stake by 315% in Q1 2026, buying an estimated $9.45M and bringing the position to 258,186 shares worth $9.5M. The position accounts for 0.51% of the portfolio, ranked #39.

CenterBook Partners first reported a position in ALK in Q4 2025 and has held it in 2 quarters since. 449 funds tracked by Wall St. Rank hold ALK as of Q1 2026.

  • CenterBook Partners held 258,186 shares of Alaska Air worth $9.5M as of Q1 2026.
  • CenterBook Partners bought 195,976 Alaska Air shares in Q1 2026, an estimated $9.45M.
  • Alaska Air made up 0.51% of CenterBook Partners's portfolio in Q1 2026, its #39 holding.
  • CenterBook Partners first reported a position in Alaska Air in Q4 2025 and has held it in 2 quarters since.
  • 449 funds tracked by Wall St. Rank held Alaska Air as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.