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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
Harbour Investments, Inc.1,966$169.5K0.00%+223+12.8%Added
Versant Capital Management, Inc1,814$156.4K0.01%−215−10.6%Reduced
Massmutual Trust Co FSB1,752$151.1K0.00%+46+2.7%Added
Pinnacle Wealth Planning Services, Inc.1,744$150.4K0.01%+92+5.6%Added
Umb Bank N A1,702$146.8K0.00%−190−10.0%Reduced
Hurley Capital, LLC1,555$134.0K0.07%−45−2.8%Reduced
Essex Investment Management Co LLC1,526$131.6K0.02%00.0%Unchanged
Hollencrest Capital Management1,500$129.3K0.01%+500+50.0%Added
Rakuten Securities, Inc.1,369$118.0K0.03%+971+244.0%Added
Bessemer Group Inc1,285$111.0K0.00%+69+5.7%Added
Ares Systematic Credit Ltd1,244$107.3K0.07%+1,244New
TD Waterhouse Canada Inc.1,279$102.4K0.00%+1,201+1,539.7%Added
Clear Street Markets LLC1,126$97.1K0.02%−645−36.4%Reduced
Cullen/Frost Bankers, Inc.1,100$94.9K0.00%+1,100New
C M Bidwell & Associates Ltd1,070$92.3K0.04%+1,070New
IFP Advisors, Inc1,051$90.6K0.00%+18+1.7%Added
Fortitude Family Office, LLC978$84.3K0.02%+627+178.6%Added
Palouse Capital Management, Inc.949$81.8K0.05%−40−4.0%Reduced
Nomura Asset Management Co Ltd790$68.1K0.00%−280−26.2%Reduced
Brown Brothers Harriman & Co784$67.6K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.761$65.6K0.00%00.0%Unchanged
Owl Creek Wealth Partners LLC719$62.0K0.02%+60+9.1%Added
Bayforest Capital Ltd715$61.7K0.06%−4,917−87.3%Reduced
Smartleaf Asset Management LLC720$59.3K0.00%00.0%Unchanged
Crews Bank & Trust650$56.0K0.01%+80+14.0%Added
Macquarie Group Ltd642$55.4K0.00%+642New
CVA Family Office, LLC636$54.8K0.00%+62+10.8%Added
Thurston, Springer, Miller, Herd & Titak, Inc.630$54.3K0.02%+630New
Solstein Capital, LLC603$52.0K0.02%00.0%Unchanged
Ceredex Value Advisors LLC550$47.4K0.00%−308,400−99.8%Reduced
Clearstead Advisors, LLC509$43.9K0.00%+479+1,596.7%Added
Atlantic Trust, LLC500$43.1K0.01%00.0%Unchanged
Bayban500$43.1K0.03%00.0%Unchanged
Ramirez Asset Management, Inc.500$43.1K0.00%+500New
MCF Advisors LLC444$38.3K0.00%00.0%Unchanged
CoreCap Advisors, LLC438$37.7K0.00%+158+56.4%Added
Salomon & Ludwin, LLC471$37.7K0.00%−387−45.1%Reduced
Quent Capital, LLC422$36.4K0.00%+122+40.7%Added
Parkside Financial Bank & Trust377$32.5K0.00%+49+14.9%Added
True Wealth Design, LLC364$31.4K0.01%+56+18.2%Added
Whittier Trust Co432$30.2K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc424$27.7K0.00%−88−17.2%Reduced
Armstrong Advisory Group, Inc291$25.1K0.00%+228+361.9%Added
JFS Wealth Advisors, LLC277$23.9K0.00%00.0%Unchanged
Wealth Enhancement Trust Services, Inc.274$23.6K0.00%+201+275.3%Added
Elequin Capital LP267$23.0K0.00%00.0%Unchanged
First Horizon Corp238$20.5K0.00%+238New
CX Institutional224$19.0K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.211$18.2K0.00%+16+8.2%Added
WealthCollab, LLC210$18.1K0.01%+32+18.0%Added
Geneos Wealth Management Inc.206$17.8K0.00%00.0%Unchanged
Aspect Partners, LLC181$15.6K0.01%−30−14.2%Reduced
Basecamp Wealth Advisors LLC178$15.3K0.00%+106+147.2%Added
AdvisorNet Financial, Inc175$15.1K0.00%+127+264.6%Added
Transce3nd, LLC211$14.9K0.13%−7−3.2%Reduced
Eurizon Capital SGR S.p.A.175$14.4K0.00%00.0%Unchanged
Picton Mahoney Asset Management164$14.1K0.00%+164New
Action Point Financial Planning, LLC159$13.6K0.00%+159New
Adirondack Trust Co150$12.9K0.00%00.0%Unchanged
Bell Investment Advisors, Inc144$12.4K0.00%00.0%Unchanged
Rialto Wealth Management, LLC136$11.7K0.00%+64+88.9%Added
Transamerica Financial Advisors, Inc.131$11.3K0.00%+2+1.6%Added
Zions Bancorporation, National Association129$11.1K0.00%+1+0.8%Added
Buck Wealth Strategies, LLC124$10.7K0.00%+124New
MV Capital Management, Inc.122$10.5K0.00%−5−3.9%Reduced
Sachetta, LLC118$10.2K0.00%+5+4.4%Added
Bruce G. Allen Investments, LLC105$9.05K0.01%−7−6.3%Reduced
Rossby Financial, LCC102$8.79K0.00%−51−33.3%Reduced
Mark Sheptoff Financial Planning, LLC100$8.62K0.00%00.0%Unchanged
Danske Bank A/S100$8.62K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc100$8.62K0.00%00.0%Unchanged
SJS Investment Consulting Inc.100$8.62K0.00%+8+8.7%Added
Silver Grove Financial Group, Inc.98$8.46K0.00%+98New
Private Wealth Management Group, LLC98$8.45K0.00%00.0%Unchanged
Torren Management, LLC97$8.38K0.00%00.0%Unchanged
Creative Capital Management Investments LLC96$8.28K0.00%+96New
McMillan Office, Inc.90$7.76K0.00%00.0%Unchanged
Bogart Wealth, LLC83$7.16K0.00%+11+15.3%Added
Central Trust Co82$7.07K0.00%+5+6.5%Added
SOA Wealth Advisors, LLC.81$6.99K0.00%+81New
William B. Walkup & Associates, Inc.79$6.81K0.00%+79New
Gleason Group, Inc.77$6.64K0.00%+77New
TD Capital Management LLC76$6.57K0.00%00.0%Unchanged
Salem Investment Counselors Inc75$6.47K0.00%+75New
Kilter Group LLC74$6.38K0.00%−27−26.7%Reduced
DiNuzzo Private Wealth, Inc.73$6.29K0.00%00.0%Unchanged
JDM Financial Group LLC71$6.12K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC71$6.12K0.00%+18+34.0%Added
Washington Trust Advisors, Inc.66$5.70K0.00%+66New
SWAN Capital LLC65$5.61K0.00%+50+333.3%Added
JNBA Financial Advisors62$5.35K0.00%00.0%Unchanged
UMA Financial Services, Inc.62$5.35K0.00%00.0%Unchanged
Sunrise Financial Services, LLC61$5.26K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.60$5.17K0.00%+60New
Huntington National Bank59$5.09K0.00%+10+20.4%Added
Silicon Valley Capital Partners59$5.07K0.00%+59New
ZRC Wealth Management, LLC56$4.83K0.00%+26+86.7%Added
HFM Investment Advisors, LLC49$4.23K0.00%+24+96.0%Added
Avion Wealth53$4.00K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC46$3.97K0.00%00.0%Unchanged