# Amkor Technology, Inc.: overview

AMKR · Nasdaq · CIK 1047127 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/amkr.md) · [Financials](/companies/amkr/financials.md) · [Filings](/companies/amkr/filings.md) · [Insiders](/companies/amkr/insiders.md)

Latest reported revenue: [$1.68bn](/filings/0001047127-26-000020.md) for Q1 FY2026, three months to 2026-03-31, from the 10-Q filed Apr 28, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001047127-26-000020).

## Last eight quarters

| Line item | Unit | Q2 FY2024 (2024-06-30) | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [1,461](/filings/0001047127-25-000168.md) | [1,862](/filings/0001047127-25-000190.md) | [1,629 d](/filings/0001047127-26-000014.md) | [1,322](/filings/0001047127-26-000020.md) | [1,511](/filings/0001047127-25-000168.md) | [1,987](/filings/0001047127-25-000190.md) | [1,888 d](/filings/0001047127-26-000014.md) | [1,685](/filings/0001047127-26-000020.md) |
| Gross margin | % | [14.5%](/filings/0001047127-25-000168.md) | [14.6%](/filings/0001047127-25-000190.md) | [15.1% d](/filings/0001047127-26-000014.md) | [11.9%](/filings/0001047127-26-000020.md) | [12.0%](/filings/0001047127-25-000168.md) | [14.3%](/filings/0001047127-25-000190.md) | [16.7% d](/filings/0001047127-26-000014.md) | [14.2%](/filings/0001047127-26-000020.md) |
| Operating margin | % | [5.6%](/filings/0001047127-25-000168.md) | [8.0%](/filings/0001047127-25-000190.md) | [8.3% d](/filings/0001047127-26-000014.md) | [2.4%](/filings/0001047127-26-000020.md) | [6.1%](/filings/0001047127-25-000168.md) | [8.0%](/filings/0001047127-25-000190.md) | [9.8% d](/filings/0001047127-26-000014.md) | [6.0%](/filings/0001047127-26-000020.md) |
| Net margin | % | [4.6%](/filings/0001047127-25-000168.md) | [6.6%](/filings/0001047127-25-000190.md) | [6.5% d](/filings/0001047127-26-000014.md) | [1.6%](/filings/0001047127-26-000020.md) | [3.6%](/filings/0001047127-25-000168.md) | [6.4%](/filings/0001047127-25-000190.md) | [9.1% d](/filings/0001047127-26-000014.md) | [4.9%](/filings/0001047127-26-000020.md) |
| Diluted EPS | $ per share | [0.27](/filings/0001047127-25-000168.md) | [0.49](/filings/0001047127-25-000190.md) | not reported | [0.09](/filings/0001047127-26-000020.md) | [0.22](/filings/0001047127-25-000168.md) | [0.51](/filings/0001047127-25-000190.md) | not reported | [0.33](/filings/0001047127-26-000020.md) |
| Free cash flow | $m | [58.4 d](/filings/0001047127-25-000168.md) | [(31.3) d](/filings/0001047127-25-000190.md) | [252 d](/filings/0001047127-26-000014.md) | [(55.7)](/filings/0001047127-26-000020.md) | [112 d](/filings/0001047127-25-000168.md) | [(77.9) d](/filings/0001047127-25-000190.md) | [212 d](/filings/0001047127-26-000014.md) | [(79.5)](/filings/0001047127-26-000020.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 6-month figure less the 3-month figure; 9-month figure less the 6-month figure; 12-month figure less the 9-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [6,138](/filings/0001047127-24-000019.md) | [7,092](/filings/0001047127-25-000030.md) | [6,503](/filings/0001047127-26-000014.md) | [6,318](/filings/0001047127-26-000014.md) | [6,708](/filings/0001047127-26-000014.md) |
| Gross margin | % | [20.0%](/filings/0001047127-24-000019.md) | [18.8%](/filings/0001047127-25-000030.md) | [14.5%](/filings/0001047127-26-000014.md) | [14.8%](/filings/0001047127-26-000014.md) | [14.0%](/filings/0001047127-26-000014.md) |
| Operating margin | % | [12.4%](/filings/0001047127-24-000019.md) | [12.7%](/filings/0001047127-25-000030.md) | [7.2%](/filings/0001047127-26-000014.md) | [6.9%](/filings/0001047127-26-000014.md) | [7.0%](/filings/0001047127-26-000014.md) |
| Net margin | % | [10.5%](/filings/0001047127-24-000019.md) | [10.8%](/filings/0001047127-25-000030.md) | [5.5%](/filings/0001047127-26-000014.md) | [5.6%](/filings/0001047127-26-000014.md) | [5.6%](/filings/0001047127-26-000014.md) |
| Diluted EPS | $ per share | [2.62](/filings/0001047127-24-000019.md) | [3.11](/filings/0001047127-25-000030.md) | [1.46](/filings/0001047127-26-000014.md) | [1.43](/filings/0001047127-26-000014.md) | [1.50](/filings/0001047127-26-000014.md) |
| Free cash flow | $m | [342](/filings/0001047127-24-000019.md) | [190](/filings/0001047127-25-000030.md) | [521](/filings/0001047127-26-000014.md) | [345](/filings/0001047127-26-000014.md) | [191](/filings/0001047127-26-000014.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/amkr/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $1.06bn | 12,292,760 |  | Reduced −676,005 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $837.5m | 9,712,553 |  | Added +616,705 |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $695.3m | 8,064,191 |  | Reduced −2,927,278 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $577.8m | 6,701,080 |  | Added +1,266,762 |
| [JPMORGAN CHASE & CO](/funds/19617.md) | 2026-06-30 | $470.0m | 5,702,608 |  | Added +296,063 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $321.7m | 3,730,584 |  | Added +102,042 |
| [AQR CAPITAL MANAGEMENT LLC](/funds/1167557.md) | 2026-06-30 | $273.8m | 3,231,546 |  | Reduced −10,584 |
| [EARNEST PARTNERS LLC](/funds/1102578.md) | 2026-06-30 | $246.0m | 2,852,492 |  | Reduced −579,351 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $241.3m | 2,798,149 |  | Added +67,641 |
| [Invesco Ltd.](/funds/914208.md) | 2026-06-30 | $214.4m | 2,485,794 |  | Added +596,389 |

## Recent filings

[All 1,782 filings](/companies/amkr/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-26 | 16:07 ET | [8-K](/filings/0001047127-26-000049.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001047127-26-000049 |
| 2026-07-28 | 15:36 ET | [10-Q](/filings/0001047127-26-000046.md) | Quarterly report, period 2026-06-30 | 0001047127-26-000046 |
| 2026-07-27 | 16:08 ET | [8-K](/filings/0001047127-26-000043.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001047127-26-000043 |
| 2026-05-21 | 08:50 ET | [8-K](/filings/0001047127-26-000036.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001047127-26-000036 |
| 2026-05-19 | 16:14 ET | [8-K](/filings/0001047127-26-000033.md) | 5.07 Shareholder vote results | 0001047127-26-000033 |
| 2026-05-05 | 16:28 ET | [8-K](/filings/0001047127-26-000029.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits | 0001047127-26-000029 |
| 2026-05-05 | 16:05 ET | [SCHEDULE 13D/A](/filings/0001193125-26-206351.md) | Ownership report, active investor, amended | 0001193125-26-206351 |
| 2026-05-01 | 12:42 ET | [8-K](/filings/0001047127-26-000026.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001047127-26-000026 |
| 2026-04-30 | 09:28 ET | [8-K](/filings/0001047127-26-000023.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001047127-26-000023 |
| 2026-04-28 | 16:02 ET | [10-Q](/filings/0001047127-26-000020.md) | Quarterly report, period 2026-03-31 | 0001047127-26-000020 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001047127-26-000014.md), filed Feb 20, 2026.

## Forecast league

Not in this season’s league. [This season’s league](/leagues.md)

## About the filer

- CIK: 1047127
- Tickers: AMKR
- Exchange: Nasdaq
- SIC code: 3674 Semiconductors & Related Devices
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 27, 2026, 15:02 ET. No prices; not investment advice.