Janus Henderson Group
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Janus Henderson Group’s Amkor Technology AMKR Stock Holding History

Janus Henderson Group’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 		$2.39M Sell
53,023
-5,300
-9% -$254K ﹤0.01% 1267
2025
Q4 		$2.3M Buy
58,323
+7,900
+16% +$281K ﹤0.01% 1273
2025
Q3 		$1.43M Hold
50,423
– – ﹤0.01% 1479
2025
Q2 		$1.06M Hold
50,423
– – ﹤0.01% 1582
2025
Q1 		$923K Hold
50,423
– – ﹤0.01% 1659
2024
Q4 		$1.3M Sell
50,423
-4,700
-9% -$129K ﹤0.01% 1548
2024
Q3 		$1.69M Hold
55,123
– – ﹤0.01% 1389
2024
Q2 		$2.21M Sell
55,123
-593
-1% -$19.6K ﹤0.01% 1219
2024
Q1 		$1.79M Sell
55,716
-401,365
-88% -$12.7M ﹤0.01% 1337
2023
Q4 		$15.2M Buy
457,081
+99,867
+28% +$2.63M 0.01% 593
2023
Q3 		$8.07M Buy
357,214
+34,520
+11% +$910K 0.01% 705
2023
Q2 		$9.6M Buy
322,694
+92,763
+40% +$2.26M 0.01% 698
2023
Q1 		$5.98M Buy
229,931
+14,468
+7% +$396K ﹤0.01% 826
2022
Q4 		$5.17M Sell
215,463
-294,177
-58% -$6.82M ﹤0.01% 854
2022
Q3 		$8.69M Buy
509,640
+255,876
+101% +$4.92M ﹤0.01% 854
2022
Q2 		$4.3M Buy
253,764
+60,639
+31% +$1.15M ﹤0.01% 871
2022
Q1 		$4.19M Sell
193,125
-75,763
-28% -$1.72M ﹤0.01% 1049
2021
Q4 		$6.67M Buy
268,888
+30,707
+13% +$715K ﹤0.01% 998
2021
Q3 		$5.94M Sell
238,181
-47,360
-17% -$1.21M ﹤0.01% 1020
2021
Q2 		$6.76M Buy
285,541
+51,121
+22% +$1.14M ﹤0.01% 1000
2021
Q1 		$5.56M Buy
+234,420
New +$4.8M ﹤0.01% 992

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

Janus Henderson Group's AMKR Position: Q1 2026 in Review

Janus Henderson Group reduced its Amkor Technology (AMKR) stake by 9.1% in Q1 2026, selling an estimated $254K and leaving 53,023 shares worth $2.39M. The position accounts for ﹤0.01% of the portfolio, ranked #1267.

Janus Henderson Group first reported a position in AMKR in Q1 2021 and has held it in 21 quarters since. The position peaked at $15.2M in Q4 2023. 527 funds tracked by Wall St. Rank hold AMKR as of Q1 2026.

  • Janus Henderson Group held 53,023 shares of Amkor Technology worth $2.39M as of Q1 2026.
  • Janus Henderson Group sold 5,300 Amkor Technology shares in Q1 2026, an estimated $254K.
  • Amkor Technology made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #1267 holding.
  • Janus Henderson Group first reported a position in Amkor Technology in Q1 2021 and has held it in 21 quarters since.
  • Janus Henderson Group's Amkor Technology position peaked at $15.2M in Q4 2023.
  • 527 funds tracked by Wall St. Rank held Amkor Technology as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.