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Amkor Technology, Inc.

AMKR
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001047127

In the last 90 days, Amkor Technology, Inc. insiders filed 0 open-market purchases and 8 sales; 648 institutions reported holding it in 13F filings for Q2 2026, worth $9.95B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q3 2024

Institutional positions in Amkor Technology, Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
359
−34 vs. Q2 2024
Shares held
106.7M
+13.3M (+14.2%) vs. Q2 2024
Total value
$3.27B
−$473.4M (−12.7%) vs. Q2 2024
New holders
57
136 more added
Sold out
91
120 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AMKR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2024: 359 institutions
Q1 2021: 255 institutionsQ2 2021: 256 institutionsQ3 2021: 269 institutionsQ4 2021: 273 institutionsQ1 2022: 281 institutionsQ2 2022: 266 institutionsQ3 2022: 274 institutionsQ4 2022: 294 institutionsQ1 2023: 294 institutionsQ2 2023: 300 institutionsQ3 2023: 305 institutionsQ4 2023: 317 institutionsQ1 2024: 338 institutionsQ2 2024: 395 institutionsQ3 2024: 359 institutionsQ4 2024: 335 institutionsQ1 2025: 347 institutionsQ2 2025: 348 institutionsQ3 2025: 383 institutionsQ4 2025: 455 institutionsQ1 2026: 533 institutionsQ2 2026: 648 institutions
Value heldQ3 2024: $3.27B
Q1 2021: $2.28BQ2 2021: $2.22BQ3 2021: $2.35BQ4 2021: $2.33BQ1 2022: $2.05BQ2 2022: $1.61BQ3 2022: $1.61BQ4 2022: $2.27BQ1 2023: $2.45BQ2 2023: $2.86BQ3 2023: $2.33BQ4 2023: $3.50BQ1 2024: $3.43BQ2 2024: $4.22BQ3 2024: $3.27BQ4 2024: $2.81BQ1 2025: $1.96BQ2 2025: $2.37BQ3 2025: $3.06BQ4 2025: $4.49BQ1 2026: $5.44BQ2 2026: $9.95B
Institutions holding AMKR and their total value by quarter
QuarterHoldersValue
Q2 2026648$9.95B
Q1 2026533$5.44B
Q4 2025455$4.49B
Q3 2025383$3.06B
Q2 2025348$2.37B
Q1 2025347$1.96B
Q4 2024335$2.81B
Q3 2024359$3.27B
Q2 2024395$4.22B
Q1 2024338$3.43B
Q4 2023317$3.50B
Q3 2023305$2.33B
Q2 2023300$2.86B
Q1 2023294$2.45B
Q4 2022294$2.27B
Q3 2022274$1.61B
Q2 2022266$1.61B
Q1 2022281$2.05B
Q4 2021273$2.33B
Q3 2021269$2.35B
Q2 2021256$2.22B
Q1 2021255$2.28B

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q2 2024.

Institutions holding AMKR in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Robotti Robert215,132$6.58M1.00%−520−0.2%Reduced
Swiss National Bank216,300$6.62M0.00%−1,700−0.8%Reduced
Guggenheim Capital LLC226,715$6.94M0.05%−20,874−8.4%Reduced
Qube Research & Technologies Ltd230,981$7.07M0.01%−40,238−14.8%Reduced
Ameriprise Financial Inc241,658$7.39M0.00%−8,436−3.4%Reduced
Goldman Sachs Group Inc246,017$7.53M0.00%−429,799−63.6%Reduced
JPMorgan Chase & Co248,133$7.59M0.00%−133,713−35.0%Reduced
Channing Capital Management, LLC250,888$7.68M0.20%+943+0.4%Added
Squarepoint Ops LLC251,712$7.70M0.03%−353,262−58.4%Reduced
Wells Fargo & Company259,779$7.95M0.00%+35,619+15.9%Added
UBS Asset Management Americas Inc280,890$8.60M0.00%+14,389+5.4%Added
Nuveen Asset Management, LLC289,467$8.86M0.00%+76,604+36.0%Added
M&G Plc290,440$9.00M0.05%−30,543−9.5%Reduced
Panagora Asset Management Inc294,705$9.02M0.04%+294,705New
Colony Group, LLC302,754$9.26M0.03%+302,754New
Bandera Partners LLC304,853$9.33M3.52%00.0%Unchanged
Rhumbline Advisers317,446$9.71M0.01%+16,276+5.4%Added
Jacobs Levy Equity Management, Inc320,328$9.80M0.04%+71,625+28.8%Added
Cerity Partners LLC324,148$9.92M0.02%+192,093+145.5%Added
Glenmede Trust Co NA339,172$10.4M0.05%+293,462+642.0%Added
Mirae Asset Global Investments Co., Ltd.338,212$10.4M0.05%−15,149−4.3%Reduced
Hel Ved Capital Management Ltd341,795$10.5M4.93%+341,795New
Baird Financial Group, Inc.372,032$11.4M0.02%+27,819+8.1%Added
Royce & Associates LP392,750$12.0M0.11%−39,848−9.2%Reduced
Barclays PLC405,400$12.4M0.01%+202,218+99.5%Added
Man Group plc416,634$12.7M0.04%−77,251−15.6%Reduced
Bridgewater Associates, LP444,127$13.6M0.08%+21,476+5.1%Added
D. E. Shaw & Co., Inc.485,663$14.9M0.02%+119,506+32.6%Added
Boston Partners499,591$15.3M0.02%−81,280−14.0%Reduced
SEI Investments Co516,027$15.8M0.02%+238,711+86.1%Added
Envestnet Asset Management Inc526,759$16.1M0.01%+95,526+22.2%Added
First Eagle Investment Management, LLC587,899$18.0M0.04%+48,100+8.9%Added
Tredje AP-fonden652,000$20.0M0.18%00.0%Unchanged
Arrowstreet Capital, Limited Partnership707,555$21.7M0.02%−786,167−52.6%Reduced
Hallmark Capital Management Inc730,701$22.4M1.66%+391,002+115.1%Added
Northern Trust Corp770,742$23.6M0.00%−871,336−53.1%Reduced
Invesco Ltd.1,052,387$32.2M0.01%−382,964−26.7%Reduced
Wellington Management Group LLP1,134,106$34.7M0.01%+951,764+522.0%Added
Morgan Stanley1,157,178$35.4M0.00%+64,030+5.9%Added
Westwood Holdings Group Inc.1,235,280$37.8M0.16%+122,338+11.0%Added
Norges Bank1,270,071$38.9M0.01%−60,333−4.5%Reduced
SW Investment Management LLC1,285,000$39.3M10.39%−65,000−4.8%Reduced
Bank of New York Mellon Corp1,331,589$40.7M0.01%−78,580−5.6%Reduced
Principal Financial Group Inc1,361,084$41.6M0.02%+925,644+212.6%Added
Ceredex Value Advisors LLC1,392,500$42.6M0.83%+1,392,500New
FMR LLC1,555,392$47.6M0.00%+409,241+35.7%Added
Charles Schwab Investment Management Inc1,878,912$57.5M0.01%+88,226+4.9%Added
Geode Capital Management, LLC2,094,296$64.1M0.01%+131,106+6.7%Added
American Century Companies Inc2,178,231$66.7M0.04%+504,917+30.2%Added
Earnest Partners LLC2,348,296$71.9M0.31%−74,959−3.1%Reduced
AQR Capital Management LLC2,495,320$76.4M0.11%+708,851+39.7%Added
State Street Corp3,355,817$102.7M0.00%+176,528+5.6%Added
Alliancebernstein L.P.3,524,720$107.9M0.04%+309,586+9.6%Added
Pacer Advisors, Inc.3,787,565$115.9M0.25%+3,772,095+24,383.3%Added
First Trust Advisors LP4,427,981$135.5M0.13%+1,187,221+36.6%Added
LSV Asset Management5,399,238$165.2M0.35%−456,722−7.8%Reduced
BlackRock, Inc.11,412,969$349.2M0.01%+11,412,969New
Dimensional Fund Advisors LP13,399,426$410.0M0.10%−820,019−5.8%Reduced
Vanguard Group Inc14,572,224$445.9M0.01%+816,936+5.9%Added
Driehaus Capital Management LLC0$00.00%−1,458,746−100.0%Sold out
HRT Financial LP0$00.00%−540,101−100.0%Sold out
TT International Asset Management LTD0$00.00%−443,979−100.0%Sold out
Marshall Wace, LLP0$00.00%−274,989−100.0%Sold out
Atreides Management, LP0$00.00%−212,388−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−176,621−100.0%Sold out
SG Capital Management LLC0$00.00%−163,422−100.0%Sold out
Varma Mutual Pension Insurance Co0$00.00%−161,400−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−157,467−100.0%Sold out
Renaissance Technologies LLC0$00.00%−151,300−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−147,252−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−137,126−100.0%Sold out
MY.Alpha Management HK Advisors Ltd0$00.00%−126,860−100.0%Sold out
Acadian Asset Management LLC0$00.00%−113,751−100.0%Sold out
EAM Global Investors LLC0$00.00%−113,509−100.0%Sold out
EAM Investors, LLC0$00.00%−106,414−100.0%Sold out
Portolan Capital Management, LLC0$00.00%−98,394−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−94,923−100.0%Sold out
Paloma Partners Management Co0$00.00%−94,818−100.0%Sold out
Alpine Global Management, LLC0$00.00%−91,955−100.0%Sold out
Chase Investment Counsel Corp0$00.00%−87,006−100.0%Sold out
Public Employees Retirement System of Ohio0$00.00%−71,486−100.0%Sold out
Castleark Management LLC0$00.00%−64,980−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−55,769−100.0%Sold out
CloudAlpha Capital Management Limited/Hong Kong0$00.00%−54,000−100.0%Sold out
Scientech Research LLC0$00.00%−50,184−100.0%Sold out
Virtu Financial LLC0$00.00%−43,139−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−40,273−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−38,230−100.0%Sold out
Jackson Creek Investment Advisors LLC0$00.00%−37,867−100.0%Sold out
BNP PARIBAS ASSET MANAGEMENT Holding S.A.0$00.00%−32,450−100.0%Sold out
Simplex Trading, LLC0$00.00%−30,704−100.0%Sold out
Denali Advisors LLC0$00.00%−29,926−100.0%Sold out
GTS Securities LLC0$00.00%−29,618−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−28,369−100.0%Sold out
Seven Eight Capital, LP0$00.00%−26,275−100.0%Sold out
SummerHaven Investment Management, LLC0$00.00%−25,314−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−24,121−100.0%Sold out
Versor Investments LP0$00.00%−23,481−100.0%Sold out
Sciencast Management LP0$00.00%−22,356−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−20,728−100.0%Sold out