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Daniel Sundheim’s Alaska Air ALK Stock Holding History

Daniel Sundheim’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
2025
Q4 		– Sell
-2,338,340
Closed -$116M – 43
2025
Q3 		$116M Sell
2,338,340
-804,608
-26% -$44.7M 1.34% 28
2025
Q2 		$156M Sell
3,142,948
-987,052
-24% -$48M 2.16% 21
2025
Q1 		$203M Buy
+4,130,000
New +$271M 3.11% 12

Other funds holding ALK

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Daniel Sundheim's ALK Position: Q4 2025 in Review

Daniel Sundheim sold out of Alaska Air (ALK) in Q4 2025, closing a stake of 2,338,340 shares — an estimated $116M sold.

Daniel Sundheim first reported a position in ALK in Q1 2025 and held it in 3 quarters. The position peaked at $203M in Q1 2025. 467 funds tracked by Wall St. Rank hold ALK as of Q4 2025.

  • Daniel Sundheim reported no remaining Alaska Air position as of Q4 2025 after selling out during the quarter.
  • Daniel Sundheim sold 2,338,340 Alaska Air shares in Q4 2025, an estimated $116M.
  • Daniel Sundheim first reported a position in Alaska Air in Q1 2025 and held it in 3 quarters.
  • Daniel Sundheim's Alaska Air position peaked at $203M in Q1 2025.
  • 467 funds tracked by Wall St. Rank held Alaska Air as of Q4 2025.

Based on D1 Capital Partners's 13F filing for Q4 2025, filed 17 Feb 2026.