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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, Q1 2025

Institutional positions in Amkor Technology, Inc. as of Mar 31, 2025. 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
347
+15 vs. Q4 2024
Shares held
108.7M
−278.8K (−0.3%) vs. Q4 2024
Total value
$1.96B
−$837.9M (−29.9%) vs. Q4 2024
New holders
67
142 more added
Sold out
52
95 more reduced

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 347 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 heldQ1 2025: $1.96B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q4 2024.

Institutions holding AMKR in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
MetLife Investment Management62,985$1.14M0.01%−954−1.5%Reduced
Bridgeway Capital Management, LLC60,600$1.09M0.03%−22,000−26.6%Reduced
Franklin Resources Inc59,343$1.07M0.00%−14,105−19.2%Reduced
SG Americas Securities, LLC59,266$1.07M0.00%+40,676+218.8%Added
Mutual of America Capital Management LLC58,391$1.05M0.01%−1,537−2.6%Reduced
Nissay Asset Management Corp58,097$1.05M0.01%+5,250+9.9%Added
Winton Group Ltd56,979$1.03M0.06%+24,883+77.5%Added
Public Employees Retirement System of Ohio56,156$1.01M0.00%−6,227−10.0%Reduced
Holocene Advisors, LP55,978$1.01M0.00%+55,978New
Silvercrest Asset Management Group LLC53,635$968.6K0.01%+53,635New
M&T Bank Corp52,816$954.2K0.00%+14,236+36.9%Added
Amalgamated Bank52,768$953.0K0.01%−1,304−2.4%Reduced
Treasurer of the State of North Carolina51,580$932.0K0.00%+2,010+4.1%Added
Virginia Retirement Systems Et Al51,424$928.7K0.01%+51,424New
Janus Henderson Group PLC50,423$923.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System50,591$913.7K0.00%00.0%Unchanged
Glenmede Trust Co NA47,258$853.5K0.00%−3,996−7.8%Reduced
CI Private Wealth, LLC46,505$839.9K0.00%−12,172−20.7%Reduced
Axq Capital, LP46,353$837.1K0.34%+46,353New
Federation des caisses Desjardins du Quebec45,307$818.2K0.00%−6,590−12.7%Reduced
Twin Tree Management, LP43,211$780.4K0.02%+37,457+651.0%Added
State of Tennessee, Treasury Department43,094$778.3K0.00%00.0%Unchanged
LPL Financial LLC42,938$775.5K0.00%−21,816−33.7%Reduced
Scientech Research LLC42,877$774.4K0.20%+42,877New
Police & Firemen's Retirement System of New Jersey41,060$741.5K0.01%00.0%Unchanged
New York State Teachers Retirement System39,811$719.0K0.00%+93+0.2%Added
Pathstone Holdings, LLC39,157$707.6K0.00%−13,074−25.0%Reduced
Yousif Capital Management, LLC38,521$695.7K0.01%−845−2.1%Reduced
Oppenheimer Asset Management Inc.37,970$685.7K0.01%+1,819+5.0%Added
Petrus Trust Company, LTA37,074$669.6K0.06%+21,623+139.9%Added
New York State Common Retirement Fund36,793$664.5K0.00%−8,000−17.9%Reduced
Comerica Bank36,569$660.4K0.00%−180−0.5%Reduced
Mariner, LLC36,450$658.4K0.00%+8,583+30.8%Added
Toroso Investments, LLC35,873$647.9K0.01%+11,076+44.7%Added
Kennedy Capital Management, Inc.35,857$647.6K0.02%−179,668−83.4%Reduced
Teachers Retirement System of the State of Kentucky34,304$619.0K0.01%00.0%Unchanged
Hanson & Doremus Investment Management34,041$615.0K0.09%+5,466+19.1%Added
IMC-Chicago, LLC33,345$602.2K0.02%+19,112+134.3%Added
Creative Planning33,259$600.6K0.00%+6,672+25.1%Added
PEAK6 LLC32,717$590.9K0.02%−29,506−47.4%Reduced
Oak Thistle LLC32,231$582.1K0.12%+19,530+153.8%Added
Vestcor Inc32,146$581.0K0.02%+21+0.1%Added
Arizona State Retirement System31,820$574.7K0.00%−340−1.1%Reduced
Louisiana State Employees Retirement System31,800$574.3K0.01%+300+1.0%Added
Ieq Capital, LLC31,773$573.8K0.00%−15,345−32.6%Reduced
Marshall Wace, LLP31,717$572.8K0.00%+4,000+14.4%Added
Leonteq Securities AG30,841$553.3K0.04%+27,340+780.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)30,447$549.9K0.00%+2,483+8.9%Added
AXA S.A.30,065$543.0K0.00%+30,065New
South Dakota Investment Council29,990$542.0K0.01%00.0%Unchanged
Ensign Peak Advisors, Inc29,930$540.5K0.00%00.0%Unchanged
Dynamic Technology Lab Private Ltd29,566$534.0K0.08%+29,566New
Foster & Motley Inc28,986$523.0K0.03%−1,308−4.3%Reduced
Guggenheim Capital LLC28,488$514.5K0.00%−864−2.9%Reduced
Quantinno Capital Management LP28,400$512.9K0.00%+17,409+158.4%Added
CWM, LLC28,026$506.0K0.00%+18,139+183.5%Added
JustInvest LLC27,277$492.6K0.01%+4,925+22.0%Added
Diversified Trust Co27,184$490.9K0.01%+27,184New
State of Michigan Retirement System27,149$490.3K0.00%+300+1.1%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys27,119$489.8K0.00%+2,063+8.2%Added
1492 Capital Management LLC27,025$488.1K0.26%−39,428−59.3%Reduced
Jefferies Financial Group Inc.26,885$485.5K0.01%+26,885New
Lazard Asset Management LLC26,665$480.0K0.00%−49,122−64.8%Reduced
Thrivent Financial for Lutherans26,600$480.0K0.00%−94−0.4%Reduced
Wolverine Trading, LLC25,284$462.7K0.01%+15,484+158.0%Added
Northwestern Mutual Investment Management Company, LLC25,225$455.6K0.01%+120.0%Added
Westwood Holdings Group Inc.23,832$430.4K0.00%−1,205,063−98.1%Reduced
Bayesian Capital Management, LP23,480$424.0K0.07%+23,480New
Oregon Public Employees Retirement Fund22,994$415.3K0.01%−100−0.4%Reduced
Intech Investment Management LLC22,772$411.3K0.00%+108+0.5%Added
Ameritas Investment Partners, Inc.22,738$410.6K0.01%00.0%Unchanged
Allspring Global Investments Holdings, LLC22,260$403.1K0.00%+5,447+32.4%Added
KLP Kapitalforvaltning AS22,200$402.5K0.00%00.0%Unchanged
Deutsche Bank AG21,429$387.0K0.00%+2,255+11.8%Added
Ethic Inc.21,323$386.2K0.01%+21,323New
Schonfeld Strategic Advisors LLC21,270$384.1K0.00%+21,270New
Rakuten Investment Management, Inc.20,837$381.3K0.00%+20,837New
Wealth Enhancement Advisory Services, LLC20,963$378.6K0.00%+3,885+22.7%Added
EMC Capital Management20,836$376.0K0.23%00.0%Unchanged
New Mexico Educational Retirement Board20,500$370.0K0.01%00.0%Unchanged
Global X Japan Co., Ltd.20,481$369.9K0.04%+481+2.4%Added
Sterling Capital Management LLC20,081$362.7K0.01%−1,614−7.4%Reduced
Mission Wealth Management, LP20,070$362.5K0.01%+20,070New
Landscape Capital Management, L.L.C.19,958$360.4K0.03%+19,958New
O'Shaughnessy Asset Management, LLC19,570$353.4K0.00%−17,524−47.2%Reduced
Eventide Asset Management, LLC19,568$353.4K0.01%+19,568New
Royal Bank of Canada19,345$349.0K0.00%−302,688−94.0%Reduced
CSS LLC19,093$344.8K0.02%+3,753+24.5%Added
CWM Advisors, LLC19,088$344.7K0.04%+3,446+22.0%Added
Numerai GP LLC18,953$342.3K0.06%+18,953New
Aristeia Capital LLC18,867$340.7K0.01%+18,867New
Headlands Technologies LLC18,580$335.6K0.04%−6,681−26.4%Reduced
ProShare Advisors LLC18,289$330.3K0.00%−1,870−9.3%Reduced
Bank of Montreal17,478$315.7K0.00%−517−2.9%Reduced
HSBC Holdings PLC17,227$311.3K0.00%−16,948−49.6%Reduced
Wiley Bros.-Aintree Capital, LLC16,787$307.7K0.00%+3,071+22.4%Added
Teacher Retirement System of Texas16,225$293.0K0.00%+16,225New
Handelsbanken Fonder AB15,876$287.0K0.00%−13,500−46.0%Reduced
Gsa Capital Partners LLP15,867$287.0K0.03%+15,867New
111 Capital15,828$285.9K0.06%+15,828New