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
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 $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jane Street's AMKR Position: Q1 2026 in Review

Jane Street increased its Amkor Technology (AMKR) stake by 3,578% in Q1 2026, buying an estimated $109M and bringing the position to 2,329,820 shares worth $105M. The position accounts for 0.01% of the portfolio, ranked #618.

Jane Street first reported a position in AMKR in Q2 2013 and has held it in 31 quarters since. 527 funds tracked by Wall St. Rank hold AMKR as of Q1 2026.

  • Jane Street held 2,329,820 shares of Amkor Technology worth $105M as of Q1 2026.
  • Jane Street bought 2,266,477 Amkor Technology shares in Q1 2026, an estimated $109M.
  • Amkor Technology made up 0.01% of Jane Street's portfolio in Q1 2026, its #618 holding.
  • Jane Street first reported a position in Amkor Technology in Q2 2013 and has held it in 31 quarters since.
  • 527 funds tracked by Wall St. Rank held Amkor Technology as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.