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Nasdaq · Technology

AMKOR TECHNOLOGY, INC. (AMKR)

As-reported financials and SEC filings for AMKOR TECHNOLOGY, INC. The latest annual period is FY2025. The latest reported quarter is Q1 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.

About AMKOR TECHNOLOGY, INC.

Amkor Technology, Inc. provides outsourced semiconductor assembly and test services globally. The company offers advanced packaging, wafer-level processing, and system-in-package solutions for applications including smartphones, data centers, artificial intelligence, automobiles, and wearables. Amkor serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries.

Snapshot

Revenue
$6.71B
Revenue growth (YoY)
6.2%
Net income
$373.9M
Diluted EPS
$1.50
Gross margin
14.0%
Operating margin
7.0%
Net margin
5.6%
FCF margin
2.8%
ROE
8.3%
net income / fiscal-year-end equity
P/E
23.2×
trailing when available, otherwise FY EPS
Market cap
$12.85B
Long-term debt / equity
0.28×
non-current term debt only

Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.

What changed at Amkor Technology

  • Revenue grew 6.2% to $6.7B in FY2025, after a 2.9% decline the year before.
  • Operating margin is 7.0% in FY2025, -5.5 pp against 12.4% in FY2021.
  • Most recent quarter Q1 FY2026: revenue $1.7B, up 27.5% from Q1 FY2025.
  • Free cash flow was $191M in FY2025, 2.8% of revenue.
  • Net income rose 5.6% to $374M in FY2025.

Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.

Peer comparison

Where Amkor Technology’s fundamentals sit among the 88 semiconductor companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Gross margin14.0%
12th percentile of 78
Operating margin7.0%
60th percentile of 79
Net margin5.6%
59th percentile of 80
FCF margin2.8%
38th percentile of 78
Revenue growth (YoY)+6.2%
40th percentile of 88
ROE8.3%
64th percentile of 74
P/E23.2×
28th percentile of 44
Long-term debt / equity0.28×
58th percentile of 44
Short interest2.56d
46th percentile of 88

Amkor Technology’s gross margin of 14.0% ranks in the 12th percentile of the 78 semiconductor companies reporting it.

No reported insider purchases (code P) in the last 90 days; 11 insider sales totaling $4.8M. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →

Percentiles describe where a figure sits among industry peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.

Institutional ownership

Held by 3 of the superinvestors we track (plus 7 quant / multi-strat books), based on each investor’s most recent 13F; periods vary by investor (newest: Q2 2026).

Conviction investors
3
+7 quant / multi-strat
Initiated / added
3
2 new, 1 added
Reduced / exited
7
7 trimmed, 0 exited
Combined position
$897.7M
reported long value
InvestorAs ofPosition valueSharesChange
AQR Capital ManagementquantQ2 2026$273.8M3.2MReduced
Point72 Asset ManagementquantQ2 2026$213.6M2.5MReduced
Two Sigma InvestmentsquantQ2 2026$92.2M1.1MReduced
Citadel AdvisorsquantQ2 2026$88.7M1.0MAdded
Gotham Asset ManagementQ2 2026$70.4M816.2KReduced
D. E. ShawquantQ2 2026$53.9M624.9KReduced
Millennium ManagementquantQ2 2026$53.7M622.3KReduced
Renaissance TechnologiesquantQ2 2026$50.1M580.6KNew
Maverick CapitalQ2 2026$763,9988.9KNew
Bridgewater AssociatesQ2 2026$616,1137.1KReduced

From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.

Recent insider activity

Non-derivative buys and sells (codes P/S) reported by officers, directors and 10% owners on SEC Form 4.

Buys (90d)
0
code P
Bought (90d)
code P value
Sells (90d)
11
$4.8M
Reported activity
Net selling
by $ value, 90d
Trade dateInsiderTypeSharesPriceValue
2026-08-17
filed 2026-08-19
ROGERS MARK NEVP & General CounselSell5.0K$59.78$299K
2026-08-11
filed 2026-08-13
Faust MeganCFOSell1.0K$54.45$54K
2026-08-07
filed 2026-08-11
ALEXANDER DOUGLAS ADirectorSell5.0K$55.81$279K
2026-08-06
filed 2026-08-07
Rutten Guillaume Marie JeanDirectorSell25.0K$54.50$1.4M
2026-08-05
filed 2026-08-07
Rutten Guillaume Marie JeanDirectorSell25.0K$55.35$1.4M
2026-07-30
filed 2026-07-31
Engel Kevin K.President and CEOSell3.2K$47.00$151K
2026-07-16
filed 2026-07-20
ROGERS MARK NEVP & General CounselSell5.0K$65.12$326K
2026-07-14
filed 2026-07-16
Faust MeganCFOSell1.0K$69.91$70K
2026-06-16
filed 2026-06-18
ROGERS MARK NEVP & General CounselSell5.0K$86.21$431K
2026-06-12
filed 2026-06-16
CHURCHILL WINSTON JDirectorSell5.0K$78.20$391K
2026-06-09
filed 2026-06-11
Faust MeganCFOSell1.0K$70.30$70K
2026-05-19
filed 2026-05-20
Faust MeganCFOSell1.0K$64.60$65K

Reported non-derivative purchases and sales (codes P/S) — which may be open-market or private; excludes option exercises, grants, and shares withheld for taxes. Dates shown are the trade date; a Form 4 can be filed days to years later. A sale can be routine (e.g. a pre-set 10b5-1 plan), so read individual transactions in context. From SEC Form 4. Not investment advice.

Short interest

Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.

Shares short
9.6M
settled 2026-08-14
Change vs prior
+7.9%
vs previous settlement
Days to cover
2.56
at avg daily volume
Avg daily volume
3.8M
FINRA reported
SettlementShares shortChangeDays to cover
2026-08-149.6M+7.9%2.56
2026-07-318.9M+2.9%1.21
2026-07-158.7M-2.0%1.85
2026-06-308.8M-3.0%1.28
2026-06-159.1M+9.5%1.55
2026-05-298.3M+11.8%1.68
2026-05-157.5M+1.4%1.48
2026-04-307.4M-15.3%1.36

Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.

Income statement (as reported)

 FY2025FY2024FY2023FY2022FY2021
Revenue$6.71B$6.32B$6.50B$7.09B$6.14B
Gross profit$938.6M$933.2M$943.2M$1.33B$1.23B
Operating income$467.4M$438.5M$470.3M$897.2M$763.4M
Net income$373.9M$354.0M$359.8M$765.8M$643.0M
Diluted EPS$1.50$1.43$1.46$3.11$2.62

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Balance sheet (as reported)

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
Operating cash flow$1.10B$1.09B$1.27B$1.10B$1.12B
Capital expenditure$904.6M$743.8M$749.5M$908.3M$779.8M
Free cash flow$191.0M$345.1M$520.6M$190.5M$341.5M

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Quarterly trend (as reported)

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q1 FY2026$1.68B27.5%$83.4M$0.33
Q4 FY2025$1.89B15.9%$171.8M$0.69
Q3 FY2025$1.99B6.7%$126.6M$0.51
Q2 FY2025$1.51B3.4%$54.4M$0.22
Q1 FY2025$1.32B-3.2%$21.1M$0.09
Q4 FY2024$1.63B-7.0%$105.6M$0.43
Q3 FY2024$1.86B2.2%$122.6M$0.49
Q2 FY2024$1.46B0.2%$66.9M$0.27

Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.

Company facts

ExchangeNasdaq
SectorTechnology
SIC industrySemiconductors & Related Devices
Latest annual periodFY2025 (ended December 31, 2025)
Latest reported quarterQ1 FY2026 (ended March 31, 2026)
Oldest indexed filing2019
SEC CIK1047127

Selected SEC filings

10-Q2026-07-28
View on EDGAR →
8-K2026-07-27
View on EDGAR →
8-K2026-05-21
View on EDGAR →
8-K2026-05-19
View on EDGAR →

Largest semiconductor peers

All semiconductor stocksAll Technology companies →

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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.