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John Overdeck’s Amkor Technology AMKR Stock Holding History

John Overdeck’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 		$1.15M Buy
13,300
+300
+2% +$21.4K ﹤0.01% 3501
2026
Q1 		$585K Buy
+13,000
New +$623K ﹤0.01% 3632
2022
Q1 		– Sell
-34,300
Closed -$850K – 2640
2021
Q4 		$850K Buy
34,300
+13,500
+65% +$314K ﹤0.01% 2711
2021
Q3 		$519K Buy
20,800
+3,200
+18% +$81.6K ﹤0.01% 3225
2021
Q2 		$417K Buy
17,600
+3,000
+21% +$66.8K ﹤0.01% 3246
2021
Q1 		$346K Buy
+14,600
New +$299K ﹤0.01% 3226

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

John Overdeck's AMKR Position: Q2 2026 in Review

John Overdeck reduced its Amkor Technology (AMKR) stake by 12% in Q2 2026, selling an estimated $10.3M and leaving 1,069,101 shares worth $92.2M. The position accounts for 0.07% of the portfolio, ranked #331.

John Overdeck first reported a position in AMKR in Q2 2013 and has held it in 45 quarters since. 642 funds tracked by Wall St. Rank hold AMKR as of Q2 2026.

  • John Overdeck held 1,069,101 shares of Amkor Technology worth $92.2M as of Q2 2026.
  • John Overdeck sold 144,793 Amkor Technology shares in Q2 2026, an estimated $10.3M.
  • Amkor Technology made up 0.07% of John Overdeck's portfolio in Q2 2026, its #331 holding.
  • John Overdeck first reported a position in Amkor Technology in Q2 2013 and has held it in 45 quarters since.
  • 642 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.