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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, Q2 2026

Institutional positions in Amkor Technology, Inc. as of Jun 30, 2026. 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
648
+122 vs. Q1 2026
Shares held
116.2M
−4.98M (−4.1%) vs. Q1 2026
Total value
$9.95B
+$4.52B (+83.2%) vs. Q1 2026
New holders
171
217 more added
Sold out
49
197 more reduced

7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 648 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 heldQ2 2026: $9.95B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q1 2026.

Institutions holding AMKR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Fulcrum Asset Management LLP3,481$286.6K0.03%+3,481New
Guidance Capital, Inc4,568$287.9K0.06%−76−1.6%Reduced
PCM Encore, LLC3,383$291.7K0.05%+3,383New
Brand Asset Management Group, Inc.3,498$301.6K0.07%+3,498New
Evergreen Capital Management LLC3,514$303.0K0.01%+3,514New
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management3,524$303.9K0.00%+3,524New
Silver Coast Investments LLC3,592$309.7K0.09%+3,592New
Magnetar Financial LLC3,613$311.5K0.00%+3,613New
AlphaGrep UK Ltd3,648$314.6K0.10%−11,901−76.5%Reduced
Shelton Capital Management3,682$317.5K0.01%+3,682New
Blackstone Group Inc.3,695$318.6K0.00%−2,215−37.5%Reduced
Wealthcare Advisory Partners LLC3,772$325.3K0.01%+3,772New
Everence Capital Management Inc3,787$327.0K0.02%+3,787New
AlphaCore Capital LLC3,817$329.1K0.01%+3,817New
Ritholtz Wealth Management3,834$330.6K0.00%+3,834New
Farther Finance Advisors, LLC3,838$330.7K0.00%+2,178+131.2%Added
EverSource Wealth Advisors, LLC3,865$333.3K0.01%−446−10.3%Reduced
HBW Advisory Services LLC3,936$339.4K0.03%+3,936New
Verdad Advisers, LP3,949$340.5K0.33%+3,949New
Resources Investment Advisors, LLC.3,968$342.2K0.00%+3,968New
Koshinski Asset Management, Inc.4,002$345.0K0.02%+4,002New
WealthTrust Axiom LLC4,050$349.2K0.08%−500−11.0%Reduced
Greenleaf Trust4,063$350.4K0.00%+4,063New
Nykredit A/S4,065$350.5K0.00%+4,065New
AE Wealth Management LLC4,078$351.6K0.00%+4,078New
Total Clarity Wealth Management, Inc.4,102$353.7K0.07%+4,102New
Wedbush Securities Inc4,120$355.0K0.01%+4,120New
Steward Partners Investment Advisory, LLC4,130$356.1K0.00%+1,405+51.6%Added
Prelude Capital Management, LLC4,137$356.7K0.03%−10,974−72.6%Reduced
Sym Financial Corp4,160$358.7K0.03%+4,160New
Aigen Investment Management, LP4,175$360.0K0.10%−8,523−67.1%Reduced
Syon Capital LLC4,183$360.7K0.02%+4,183New
Fifth Third Wealth Advisors LLC4,220$363.9K0.01%+4,220New
KMG Fiduciary Partners, LLC4,357$375.7K0.03%+4,357New
Amplius Wealth Advisors, LLC4,358$375.8K0.03%+4,358New
CastleKnight Management LP4,400$379.4K0.01%−246,800−98.2%Reduced
Proficio Capital Partners LLC4,452$383.9K0.01%+4,452New
Ci Investments Inc.4,454$384.1K0.00%+4,454New
Coldstream Capital Management Inc4,462$384.8K0.00%−812−15.4%Reduced
Whetstone Capital Advisors, LLC4,600$396.7K0.11%+4,600New
Graham Capital Management, L.P.4,624$398.7K0.01%+4,624New
Argent Trust Co4,640$400.1K0.01%−1,551−25.1%Reduced
Driehaus Capital Management LLC4,657$401.6K0.00%+4,657New
First Command Advisory Services, Inc.4,700$405.3K0.00%00.0%Unchanged
DekaBank Deutsche Girozentrale9,919$408.0K0.00%00.0%Unchanged
Cambria Investment Management, L.P.4,834$416.8K0.02%00.0%Unchanged
Jackson Thornton Asset Management, LLC4,868$419.8K0.03%+529+12.2%Added
Citizens Financial Group Inc4,873$420.2K0.01%+4,873New
denkapparat Operations GmbH4,896$422.2K0.14%00.0%Unchanged
Independent Advisor Alliance4,914$423.7K0.01%−519−9.6%Reduced
Smithfield Trust Co5,000$431.0K0.02%00.0%Unchanged
Waddell & Associates, LLC5,062$436.5K0.02%+5,062New
VGI Partners Ltd5,092$439.1K0.02%+5,092New
Nisa Investment Advisors, LLC5,135$442.8K0.00%+1,430+38.6%Added
Optas, LLC5,145$443.7K0.06%−230−4.3%Reduced
Allworth Financial LP5,156$444.6K0.00%−36−0.7%Reduced
Virtus ETF Advisers LLC5,300$457.0K0.18%+5,300New
Signaturefd, LLC5,324$459.1K0.01%+173+3.4%Added
Tower Research Capital LLC (TRC)5,359$462.1K0.01%+442+9.0%Added
Westwood Holdings Group Inc.5,364$462.5K0.00%−391−6.8%Reduced
North Dakota State Investment Board5,367$462.8K0.02%+5,367New
Advisory Services Network, LLC5,378$463.7K0.01%−304−5.4%Reduced
KG&L Capital Management,LLC5,379$463.8K0.28%+5,379New
NorthCrest Asset Manangement, LLC6,477$467.4K0.01%+16+0.2%Added
Norden Group LLC5,445$469.5K0.04%+184+3.5%Added
Connecticut Capital Management Group, LLC5,508$475.0K0.38%−47−0.8%Reduced
Commonwealth Equity Services, LLC5,576$480.8K0.00%−148−2.6%Reduced
Atria Investments LLC5,665$488.5K0.00%−1,200−17.5%Reduced
Capstone Capital Management Ltd5,733$494.4K0.22%−30,075−84.0%Reduced
Diversified Trust Co5,760$496.7K0.01%+97+1.7%Added
Phoenix Holdings Ltd.5,803$498.9K0.00%−4,175−41.8%Reduced
Vestcor Inc5,789$499.0K0.01%+5,789New
Toroso Investments, LLC5,890$507.9K0.00%−24,995−80.9%Reduced
Empowered Funds, LLC5,912$509.8K0.00%+654+12.4%Added
GWM Advisors LLC5,937$511.9K0.00%+5,508+1,283.9%Added
ExodusPoint Capital Management, LP6,018$518.9K0.00%−180,447−96.8%Reduced
Forty-three Eighteen Advisors, LLC6,025$519.5K0.35%+6,025New
Securian Asset Management, Inc8,385$527.8K0.02%00.0%Unchanged
Centaurus Financial, Inc.6,164$531.0K0.02%+6,164New
Private Advisor Group, LLC6,192$534.0K0.00%+557+9.9%Added
DnB Asset Management AS6,326$545.5K0.00%−850−11.8%Reduced
Neuberger Berman Group LLC6,361$548.5K0.00%+437+7.4%Added
Wealthfront Advisers LLC6,371$549.4K0.00%+1,481+30.3%Added
Shay Capital LLC6,400$551.9K0.06%−3,600−36.0%Reduced
Maryland State Retirement & Pension System6,420$553.6K0.01%00.0%Unchanged
MAI Capital Management6,470$557.9K0.00%+4,191+183.9%Added
Ulland Investment Advisors, LLC6,505$561.0K0.41%−775−10.6%Reduced
Utah Retirement Systems6,597$568.9K0.01%00.0%Unchanged
Hantz Financial Services, Inc.6,700$578.0K0.01%+635+10.5%Added
Watershed Asset Management, L.L.C.6,716$579.1K0.52%−3,350−33.3%Reduced
Massar Capital Management, LP6,773$584.0K0.20%−7,183−51.5%Reduced
Crossmark Global Holdings, Inc.6,808$587.1K0.01%+332+5.1%Added
Lodestone Wealth Management LLC6,912$596.0K0.21%−1,054−13.2%Reduced
HighTower Advisors, LLC7,039$606.9K0.00%−437−5.8%Reduced
Truist Financial Corp7,039$607.0K0.00%+7,039New
Bridgewater Associates, LP7,145$616.1K0.00%−1,573,784−99.5%Reduced
Chicago Partners Investment Group LLC9,457$617.8K0.01%+2,518+36.3%Added
Caerus Investment Advisors, LLC7,200$620.9K0.21%+85+1.2%Added
Warren Averett Asset Management, LLC7,201$620.9K0.00%+377+5.5%Added
Parallel Advisors, LLC7,260$626.0K0.01%−88−1.2%Reduced