Latest Period
Q2 2026
Security Snapshot
AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (AMKR) Institutional Ownership
CUSIP: 031652100
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
639
Shares (Excl. Options)
115,892,865
Price
$86.23
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- AMKR on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 115,892,865
- Total 13F value
- $9,911,383,207
- Portfolio coverage rank
- 0.01%
- Share change
- -4,899,723
- Value change
- -$290,550,987
- Number of holders
- 639
- Shares outstanding
- 247,825,997
- SEC-reported price per share
- $48.26
- Insider filing price
- $48.26
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share is tracked under CUSIP 031652100.
- 639 institutions reported positions in Q2 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 520 to 639 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $5,426,718,401 to $9,911,383,207.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 639 institutions filings for Q2 2026.
Security key
031652100
Latest holder period
Q2 2026
13F holders
639
13D/G owners
2
CIK / CUSIP context first
Open Q2 2026 holders
AMKR full holder history
AMKOR TECHNOLOGY, INC. SEC filings
AMKOR TECHNOLOGY, INC. company facts
AMKOR TECHNOLOGY, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 031652100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
AMKR
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| KIM JAMES J | 30% | -0.32% | $4,366,654,410 | 75,339,103 | 0% | John T. Kim | 01 May 2026 | |
| DIMENSIONAL FUND ADVISORS LP | 4.4% | $494,945,849 | 10,991,469 | Dimensional Fund Advisors LP | 31 Mar 2026 |
As of 30 Jun 2026, 639 institutional investors reported holding 115,892,865 shares of AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (AMKR). This represents 47% of the company’s total 247,825,997 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
32%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5% | 12,292,760 | -5.2% | 0.02% | $1,060,004,732 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.9% | 9,712,553 | +6.8% | 0.04% | $837,513,445 |
| DIMENSIONAL FUND ADVISORS LP | 3.3% | 8,064,191 | -27% | 0.13% | $695,285,204 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.7% | 6,701,080 | +23% | 0.01% | $577,834,128 |
| JPMORGAN CHASE & CO | 2.3% | 5,702,608 | +5.5% | 0.03% | $470,026,598 |
| STATE STREET CORP | 1.5% | 3,730,584 | +2.8% | 0.01% | $321,688,258 |
| AQR CAPITAL MANAGEMENT LLC | 1.3% | 3,231,546 | -0.33% | 0.1% | $273,841,170 |
| EARNEST PARTNERS LLC | 1.2% | 2,852,492 | -17% | 0.89% | $245,970,385 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 2,798,149 | +2.5% | 0.01% | $241,329,919 |
| Invesco Ltd. | 1% | 2,485,794 | +32% | 0.02% | $214,350,021 |
| Point72 Asset Management, L.P. | 1% | 2,477,326 | -17% | 0.33% | $213,619,821 |
| PRINCIPAL FINANCIAL GROUP INC | 0.79% | 1,970,200 | -25% | 0.08% | $169,847,580 |
| FIRST TRUST ADVISORS LP | 0.74% | 1,836,306 | +2.4% | 0.09% | $158,344,246 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.74% | 1,832,535 | -13% | 0.02% | $158,019,494 |
| Fisher Asset Management, LLC | 0.74% | 1,821,547 | -9.4% | 0.05% | $157,072,030 |
| Clal Insurance Enterprises Holdings Ltd | 0.71% | 1,764,000 | 0.68% | $152,110,000 | |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.67% | 1,659,478 | +122% | 0.01% | $143,098,000 |
| MORGAN STANLEY | 0.62% | 1,525,684 | +11% | 0.01% | $131,559,750 |
| NORGES BANK | 0.6% | 1,477,233 | 0.01% | $127,381,802 | |
| Qube Research & Technologies Ltd | 0.47% | 1,161,478 | +221% | 0.11% | $100,154,248 |
| TWO SIGMA INVESTMENTS, LP | 0.43% | 1,069,101 | -12% | 0.07% | $92,188,579 |
| AMERICAN CENTURY COMPANIES INC | 0.43% | 1,055,656 | -61% | 0.04% | $91,029,232 |
| Bank of New York Mellon Corp | 0.42% | 1,051,327 | +6.8% | 0.01% | $90,655,893 |
| GOLDMAN SACHS GROUP INC | 0.42% | 1,046,405 | +22% | 0.01% | $90,231,546 |
| CITADEL ADVISORS LLC | 0.41% | 1,028,138 | +425% | 0.05% | $88,656,339 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 115,892,865 | $9,911,383,207 | -$290,550,987 | $86.23 | 639 |
| 2026 Q1 | 121,120,624 | $5,426,718,401 | +$374,317,173 | $45.03 | 520 |
| 2025 Q4 | 113,624,803 | $4,488,716,080 | +$266,263,948 | $39.48 | 454 |
| 2025 Q3 | 107,601,765 | $3,056,601,018 | -$122,745,222 | $28.40 | 380 |
| 2025 Q2 | 113,048,162 | $2,373,273,979 | +$114,953,962 | $20.99 | 342 |
| 2025 Q1 | 108,040,907 | $1,951,026,308 | -$73,920,018 | $18.06 | 342 |
| 2024 Q4 | 109,268,438 | $2,808,251,495 | +$48,269,580 | $25.69 | 329 |
| 2024 Q3 | 106,546,220 | $3,260,732,392 | -$13,756,975 | $30.60 | 355 |
| 2024 Q2 | 105,697,517 | $4,229,651,116 | +$5,014,289 | $40.02 | 390 |
| 2024 Q1 | 105,879,554 | $3,413,107,862 | +$20,011,006 | $32.24 | 334 |
| 2023 Q4 | 105,124,159 | $3,497,270,269 | +$89,633,171 | $33.27 | 313 |
| 2023 Q3 | 103,279,977 | $2,334,355,321 | +$143,785,224 | $22.60 | 302 |
| 2023 Q2 | 96,176,374 | $2,860,531,372 | +$59,728,154 | $29.75 | 296 |
| 2023 Q1 | 94,043,251 | $2,446,697,086 | -$4,834,836 | $26.02 | 288 |
| 2022 Q4 | 94,611,993 | $2,268,275,281 | +$15,076,608 | $23.98 | 286 |
| 2022 Q3 | 94,297,197 | $1,607,072,114 | -$14,343,196 | $17.05 | 256 |
| 2022 Q2 | 95,047,466 | $1,610,443,259 | +$20,533,305 | $16.95 | 249 |
| 2022 Q1 | 94,191,158 | $2,046,902,897 | -$7,662,310 | $21.72 | 269 |
| 2021 Q4 | 94,202,670 | $2,333,010,085 | -$26,740,663 | $24.79 | 262 |
| 2021 Q3 | 94,042,864 | $2,349,598,089 | +$12,351,091 | $24.95 | 259 |
| 2021 Q2 | 93,795,445 | $2,220,006,298 | -$50,219,832 | $23.67 | 248 |
| 2021 Q1 | 95,959,772 | $2,276,575,528 | +$109,696,190 | $23.71 | 251 |
| 2020 Q4 | 93,431,334 | $1,410,249,949 | -$1,448,670 | $15.08 | 218 |
| 2020 Q3 | 93,110,951 | $1,043,074,900 | -$30,643,497 | $11.20 | 208 |
| 2020 Q2 | 95,773,944 | $1,178,959,300 | +$41,595,176 | $12.31 | 199 |