Jane Street
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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 		$122M Buy
1,411,900
+857,400
+155% +$61.1M 0.01% 834
2026
Q1 		$25M Sell
554,500
-263,600
-32% -$12.6M ﹤0.01% 1587
2025
Q4 		$32.3M Buy
818,100
+728,300
+811% +$25.9M ﹤0.01% 1205
2025
Q3 		$2.55M Buy
89,800
+35,800
+66% +$862K ﹤0.01% 4489
2025
Q2 		$1.13M Sell
54,000
-5,400
-9% -$99.6K ﹤0.01% 5373
2025
Q1 		$1.07M Sell
59,400
-16,200
-21% -$366K ﹤0.01% 5439
2024
Q4 		$1.94M Sell
75,600
-11,200
-13% -$308K ﹤0.01% 4156
2024
Q3 		$2.66M Sell
86,800
-103,200
-54% -$3.51M ﹤0.01% 3935
2024
Q2 		$7.6M Buy
190,000
+146,600
+338% +$4.85M ﹤0.01% 2367
2024
Q1 		$1.4M Sell
43,400
-18,000
-29% -$571K ﹤0.01% 4782
2023
Q4 		$2.04M Buy
61,400
+50,700
+474% +$1.33M ﹤0.01% 4294
2023
Q3 		$242K Sell
10,700
-41,200
-79% -$1.09M ﹤0.01% 7365
2023
Q2 		$1.54M Buy
51,900
+20,000
+63% +$487K ﹤0.01% 4551
2023
Q1 		$830K Sell
31,900
-18,600
-37% -$509K ﹤0.01% 5366
2022
Q4 		$1.21M Buy
50,500
+2,500
+5% +$57.9K ﹤0.01% 4674
2022
Q3 		$818K Buy
48,000
+14,700
+44% +$283K ﹤0.01% 5799
2022
Q2 		$564K Sell
33,300
-33,000
-50% -$627K ﹤0.01% 6504
2022
Q1 		$1.44M Sell
66,300
-14,300
-18% -$324K ﹤0.01% 5376
2021
Q4 		$2M Sell
80,600
-23,900
-23% -$556K ﹤0.01% 4494
2021
Q3 		$2.61M Buy
104,500
+39,200
+60% +$1M ﹤0.01% 3937
2021
Q2 		$1.55M Sell
65,300
-11,300
-15% -$251K ﹤0.01% 4858
2021
Q1 		$1.82M Buy
76,600
+37,100
+94% +$759K ﹤0.01% 4195
2020
Q4 		$596K Buy
39,500
+26,200
+197% +$357K ﹤0.01% 5472
2020
Q3 		$149K Sell
13,300
-2,900
-18% -$35.9K ﹤0.01% 6597
2020
Q2 		$199K Buy
+16,200
New +$167K ﹤0.01% 6378
2017
Q1 		– Sell
-64,300
Closed -$678K – 4083
2016
Q4 		$678K Sell
64,300
-35,900
-36% -$382K ﹤0.01% 2515
2016
Q3 		$974K Buy
100,200
+86,200
+616% +$690K ﹤0.01% 2007
2016
Q2 		$81K Buy
+14,000
New +$81.7K ﹤0.01% 3915

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.