AMKOR TECHNOLOGY INC (AMKR) Stock Institutional Trading Activity


AMKOR TECHNOLOGY INC (AMKR) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Sequoia Financial Advisors, First Eagle U.S. Value, ARK Invest, and Arbiter Partners Capital Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2025Sequoia Financial AdvisorsBuy2,82617,630$500,692
Q3 2025Renaissance Technologies LLCSell-782,100343,000$9,741,200
Q2 2025Sequoia Financial AdvisorsBuy14,80414,804$310,736
Q2 2025Renaissance Technologies LLCSell-244,6001,125,100$23,615,849
Q1 2025First Eagle U.S. ValueSell-106,800424,500$7,666,470
Q1 2025Renaissance Technologies LLCBuy998,0001,369,700$24,736,782
Q4 2024Renaissance Technologies LLCBuy220,400371,700$9,548,973
Q4 2024First Eagle U.S. ValueSell-56,599531,300$13,649,097
Q3 2024First Eagle U.S. ValueBuy48,100587,899$17,989,710
Q2 2024Renaissance Technologies LLCBuy144,100151,300$6,055,026
Q2 2024First Eagle U.S. ValueBuy73,300539,799$21,602,756
Q1 2024Renaissance Technologies LLCSell-370,9007,200$232
Q1 2024First Eagle U.S. ValueBuy48,900466,499$15,039,927
Q4 2023First Eagle U.S. ValueBuy14,850417,599$13,893,519
Q3 2023First Eagle U.S. ValueBuy141,970402,749$9,102,128
Q2 2023First Eagle U.S. ValueBuy50,395260,779$7,758,176
Q1 2023Renaissance Technologies LLCBuy342,100378,100$9,838
Q1 2023First Eagle U.S. ValueBuy28,298210,384$5,474,192
Q4 2022First Eagle U.S. ValueSell-8,500182,086$4,366,422
Q3 2022Renaissance Technologies LLCSell-17,60036,000$614
Q3 2022First Eagle U.S. ValueSell-15,912190,586$3,249
Q2 2022ARK InvestSell-3737,841$160
Q2 2022Renaissance Technologies LLCSell-392,80053,600$909
Q2 2022First Eagle U.S. ValueBuy73,662206,498$3,500
Q1 2022ARK InvestBuy8,2148,214$178
Q1 2022First Eagle U.S. ValueBuy79,720132,836$2,885
Q1 2022Renaissance Technologies LLCBuy233,100446,400$9,696
Q4 2021First Eagle U.S. ValueBuy31,80053,116$1,317
Q4 2021Renaissance Technologies LLCSell-93,100213,300$5,288
Q3 2021First Eagle U.S. ValueBuy17,41621,316$532

Frequently asked questions about AMKR activity

  • Which institutional owners are buying AMKR?

    Institutional owners buying AMKR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in AMKR activity?

    "Buy" means an investor increased their reported position in AMKR compared to the prior reporting period. This reflects growing exposure to AMKOR TECHNOLOGY INC (AMKR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in AMKR increasing?

    Institutional interest in AMKR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.