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Capstone Capital Management’s Amkor Technology AMKR Stock Holding History

Capstone Capital Management’s Portfolio AMKR Stock Details AMKR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$494K Sell
5,733
-30,075
-84% -$2.14M 0.22% 129
2026
Q1 		$1.61M Buy
+35,808
New +$1.72M 1.62% 17

Other funds holding AMKR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Capstone Capital Management's AMKR Position: Q2 2026 in Review

Capstone Capital Management reduced its Amkor Technology (AMKR) stake by 84% in Q2 2026, selling an estimated $2.14M and leaving 5,733 shares worth $494K. The position accounts for 0.22% of the portfolio, ranked #129.

Capstone Capital Management first reported a position in AMKR in Q1 2026 and has held it in 2 quarters since. The position peaked at $1.61M in Q1 2026. 648 funds tracked by Wall St. Rank hold AMKR as of Q2 2026.

  • Capstone Capital Management held 5,733 shares of Amkor Technology worth $494K as of Q2 2026.
  • Capstone Capital Management sold 30,075 Amkor Technology shares in Q2 2026, an estimated $2.14M.
  • Amkor Technology made up 0.22% of Capstone Capital Management's portfolio in Q2 2026, its #129 holding.
  • Capstone Capital Management first reported a position in Amkor Technology in Q1 2026 and has held it in 2 quarters since.
  • Capstone Capital Management's Amkor Technology position peaked at $1.61M in Q1 2026.
  • 648 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2026.

Based on Capstone Capital Management's 13F filing for Q2 2026, filed 20 Jul 2026.