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Jane Street’s Amkor Technology AMKR Stock Holding History

Jane Street’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 		$128M Buy
1,482,100
+1,166,000
+369% +$83.1M 0.01% 810
2026
Q1 		$14.2M Sell
316,100
-1,238,000
-80% -$59.3M ﹤0.01% 2124
2025
Q4 		$61.4M Buy
1,554,100
+1,247,500
+407% +$44.4M 0.01% 825
2025
Q3 		$8.71M Sell
306,600
-1,038,500
-77% -$25M ﹤0.01% 2594
2025
Q2 		$28.2M Sell
1,345,100
-754,200
-36% -$13.9M 0.01% 1141
2025
Q1 		$37.9M Buy
2,099,300
+2,032,200
+3,029% +$45.9M 0.01% 839
2024
Q4 		$1.72M Buy
+67,100
New +$1.85M ﹤0.01% 4389
2024
Q3 		– Sell
-5,900
Closed -$236K – 9518
2024
Q2 		$236K Buy
+5,900
New +$195K ﹤0.01% 8161
2024
Q1 		– Sell
-6,400
Closed -$213K – 9121
2023
Q4 		$213K Sell
6,400
-3,100
-33% -$81.5K ﹤0.01% 8125
2023
Q3 		$215K Sell
9,500
-4,400
-32% -$116K ﹤0.01% 7522
2023
Q2 		$414K Buy
13,900
+5,200
+60% +$127K ﹤0.01% 6611
2023
Q1 		$226K Sell
8,700
-25,400
-74% -$695K ﹤0.01% 7653
2022
Q4 		$818K Buy
34,100
+20,700
+154% +$480K ﹤0.01% 5301
2022
Q3 		$228K Sell
13,400
-38,900
-74% -$748K ﹤0.01% 7972
2022
Q2 		$886K Sell
52,300
-6,100
-10% -$116K ﹤0.01% 5714
2022
Q1 		$1.27M Buy
58,400
+44,700
+326% +$1.01M ﹤0.01% 5628
2021
Q4 		$340K Sell
13,700
-4,800
-26% -$112K ﹤0.01% 7939
2021
Q3 		$462K Sell
18,500
-18,100
-49% -$462K ﹤0.01% 7432
2021
Q2 		$866K Sell
36,600
-41,000
-53% -$912K ﹤0.01% 6144
2021
Q1 		$1.84M Buy
+77,600
New +$1.59M ﹤0.01% 4173
2016
Q1 		– Sell
-12,200
Closed -$74K – 4021
2015
Q4 		$74K Buy
+12,200
New +$73.9K ﹤0.01% 3835

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

Jane Street's AMKR Position: Q2 2026 in Review

Jane Street reduced its Amkor Technology (AMKR) stake by 87% in Q2 2026, selling an estimated $144M and leaving 307,694 shares worth $26.5M. The position accounts for ﹤0.01% of the portfolio, ranked #1892.

Jane Street first reported a position in AMKR in Q2 2013 and has held it in 32 quarters since. The position peaked at $105M in Q1 2026. 646 funds tracked by Wall St. Rank hold AMKR as of Q2 2026.

  • Jane Street held 307,694 shares of Amkor Technology worth $26.5M as of Q2 2026.
  • Jane Street sold 2,022,126 Amkor Technology shares in Q2 2026, an estimated $144M.
  • Amkor Technology made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1892 holding.
  • Jane Street first reported a position in Amkor Technology in Q2 2013 and has held it in 32 quarters since.
  • Jane Street's Amkor Technology position peaked at $105M in Q1 2026.
  • 646 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.