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Cornerstone Financial Management’s Amkor Technology AMKR Stock Holding History

Cornerstone Financial 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 		$3.62K Buy
42
+11
+35% +$784 ﹤0.01% 690
2026
Q1 		$1.4K Hold
31
– – ﹤0.01% 855
2025
Q4 		$1.22K Buy
+31
New +$1.1K ﹤0.01% 849

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 $3.37T AUM 44.26% 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

Cornerstone Financial Management's AMKR Position: Q2 2026 in Review

Cornerstone Financial Management increased its Amkor Technology (AMKR) stake by 35% in Q2 2026, buying an estimated $784 and bringing the position to 42 shares worth $3.62K. The position accounts for ﹤0.01% of the portfolio, ranked #690.

Cornerstone Financial Management first reported a position in AMKR in Q4 2025 and has held it in 3 quarters since. 645 funds tracked by Wall St. Rank hold AMKR as of Q2 2026.

  • Cornerstone Financial Management held 42 shares of Amkor Technology worth $3.62K as of Q2 2026.
  • Cornerstone Financial Management bought 11 Amkor Technology shares in Q2 2026, an estimated $784.
  • Amkor Technology made up ﹤0.01% of Cornerstone Financial Management's portfolio in Q2 2026, its #690 holding.
  • Cornerstone Financial Management first reported a position in Amkor Technology in Q4 2025 and has held it in 3 quarters since.
  • 645 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2026.

Based on Cornerstone Financial Management's 13F filing for Q2 2026, filed 12 Aug 2026.