vs

Side-by-side financial comparison of AMKOR TECHNOLOGY, INC. (AMKR) and IES Holdings, Inc. (IESC). Click either name above to swap in a different company.

AMKOR TECHNOLOGY, INC. is the larger business by last-quarter revenue ($1.7B vs $871.0M, roughly 1.9× IES Holdings, Inc.). IES Holdings, Inc. runs the higher net margin — 10.5% vs 4.9%, a 5.6% gap on every dollar of revenue. On growth, AMKOR TECHNOLOGY, INC. posted the faster year-over-year revenue change (27.5% vs 16.2%). Over the past eight quarters, IES Holdings, Inc.'s revenue compounded faster (11.1% CAGR vs 7.4%).

Amkor Technology, Inc. is a semiconductor product packaging and test services provider. The company has been headquartered in Arizona, since 2005, when it was moved from West Chester, Pennsylvania, also in the United States. The company's Arizona headquarters was originally in Chandler, then later moved to Tempe. The company was founded in 1968 and, as of 2022, has approximately 31,000 employees worldwide and a reported $7.1 billion in sales.

IES Holdings, Inc., formerly known as Integrated Electrical Services, Inc., designs and installs integrated electrical and technology systems and provides infrastructure products and services to a variety of end markets, including data centers, residential housing, and commercial and industrial facilities.

AMKR vs IESC — Head-to-Head

Bigger by revenue
AMKR
AMKR
1.9× larger
AMKR
$1.7B
$871.0M
IESC
Growing faster (revenue YoY)
AMKR
AMKR
+11.3% gap
AMKR
27.5%
16.2%
IESC
Higher net margin
IESC
IESC
5.6% more per $
IESC
10.5%
4.9%
AMKR
Faster 2-yr revenue CAGR
IESC
IESC
Annualised
IESC
11.1%
7.4%
AMKR

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
AMKR
AMKR
IESC
IESC
Revenue
$1.7B
$871.0M
Net Profit
$83.0M
$91.8M
Gross Margin
14.2%
25.3%
Operating Margin
5.9%
11.2%
Net Margin
4.9%
10.5%
Revenue YoY
27.5%
16.2%
Net Profit YoY
295.2%
59.1%
EPS (diluted)
$0.33
$4.51

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AMKR
AMKR
IESC
IESC
Q1 26
$1.7B
Q4 25
$1.9B
$871.0M
Q3 25
$2.0B
$897.8M
Q2 25
$1.5B
$890.2M
Q1 25
$1.3B
$834.0M
Q4 24
$1.6B
$749.5M
Q3 24
$1.9B
$775.8M
Q2 24
$1.5B
$768.4M
Net Profit
AMKR
AMKR
IESC
IESC
Q1 26
$83.0M
Q4 25
$171.8M
$91.8M
Q3 25
$126.6M
$102.3M
Q2 25
$54.4M
$79.3M
Q1 25
$21.1M
$72.6M
Q4 24
$105.6M
$57.7M
Q3 24
$122.6M
$65.5M
Q2 24
$66.9M
$66.6M
Gross Margin
AMKR
AMKR
IESC
IESC
Q1 26
14.2%
Q4 25
16.7%
25.3%
Q3 25
14.3%
26.0%
Q2 25
12.0%
26.9%
Q1 25
11.9%
25.0%
Q4 24
15.1%
23.8%
Q3 24
14.6%
24.0%
Q2 24
14.5%
25.3%
Operating Margin
AMKR
AMKR
IESC
IESC
Q1 26
5.9%
Q4 25
9.8%
11.2%
Q3 25
8.0%
11.6%
Q2 25
6.1%
12.6%
Q1 25
2.4%
11.1%
Q4 24
8.3%
10.0%
Q3 24
8.0%
9.7%
Q2 24
5.6%
11.7%
Net Margin
AMKR
AMKR
IESC
IESC
Q1 26
4.9%
Q4 25
9.1%
10.5%
Q3 25
6.4%
11.4%
Q2 25
3.6%
8.9%
Q1 25
1.6%
8.7%
Q4 24
6.5%
7.7%
Q3 24
6.6%
8.4%
Q2 24
4.6%
8.7%
EPS (diluted)
AMKR
AMKR
IESC
IESC
Q1 26
$0.33
Q4 25
$0.68
$4.51
Q3 25
$0.51
$4.99
Q2 25
$0.22
$3.81
Q1 25
$0.09
$3.50
Q4 24
$0.43
$2.72
Q3 24
$0.49
$3.06
Q2 24
$0.27
$2.67

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AMKR
AMKR
IESC
IESC
Cash + ST InvestmentsLiquidity on hand
$1.8B
$258.7M
Total DebtLower is stronger
$1.3B
Stockholders' EquityBook value
$4.6B
$961.1M
Total Assets
$8.3B
$1.7B
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMKR
AMKR
IESC
IESC
Q1 26
$1.8B
Q4 25
$2.0B
$258.7M
Q3 25
$2.1B
$231.8M
Q2 25
$2.0B
$168.3M
Q1 25
$1.6B
$88.3M
Q4 24
$1.6B
$112.0M
Q3 24
$1.5B
$135.8M
Q2 24
$1.5B
$44.9M
Total Debt
AMKR
AMKR
IESC
IESC
Q1 26
$1.3B
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
AMKR
AMKR
IESC
IESC
Q1 26
$4.6B
Q4 25
$4.5B
$961.1M
Q3 25
$4.3B
$884.0M
Q2 25
$4.2B
$781.4M
Q1 25
$4.2B
$705.8M
Q4 24
$4.1B
$652.4M
Q3 24
$4.2B
$611.1M
Q2 24
$4.0B
$567.5M
Total Assets
AMKR
AMKR
IESC
IESC
Q1 26
$8.3B
Q4 25
$8.1B
$1.7B
Q3 25
$8.2B
$1.6B
Q2 25
$7.7B
$1.5B
Q1 25
$6.9B
$1.4B
Q4 24
$6.9B
$1.3B
Q3 24
$7.0B
$1.2B
Q2 24
$6.9B
$1.2B
Debt / Equity
AMKR
AMKR
IESC
IESC
Q1 26
0.28×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AMKR
AMKR
IESC
IESC
Operating Cash FlowLast quarter
$145.1M
$27.7M
Free Cash FlowOCF − Capex
$-18.9M
FCF MarginFCF / Revenue
-2.2%
Capex IntensityCapex / Revenue
29.0%
5.3%
Cash ConversionOCF / Net Profit
1.75×
0.30×
TTM Free Cash FlowTrailing 4 quarters
$175.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMKR
AMKR
IESC
IESC
Q1 26
$145.1M
Q4 25
$644.5M
$27.7M
Q3 25
$168.5M
$132.0M
Q2 25
$258.5M
$92.0M
Q1 25
$24.1M
$24.8M
Q4 24
$537.6M
$37.3M
Q3 24
$164.2M
$92.8M
Q2 24
$224.8M
$82.9M
Free Cash Flow
AMKR
AMKR
IESC
IESC
Q1 26
Q4 25
$212.4M
$-18.9M
Q3 25
$-77.9M
$112.0M
Q2 25
$112.3M
$74.8M
Q1 25
$-55.7M
$7.9M
Q4 24
$251.9M
$24.1M
Q3 24
$-31.3M
$78.5M
Q2 24
$58.4M
$65.4M
FCF Margin
AMKR
AMKR
IESC
IESC
Q1 26
Q4 25
11.2%
-2.2%
Q3 25
-3.9%
12.5%
Q2 25
7.4%
8.4%
Q1 25
-4.2%
0.9%
Q4 24
15.5%
3.2%
Q3 24
-1.7%
10.1%
Q2 24
4.0%
8.5%
Capex Intensity
AMKR
AMKR
IESC
IESC
Q1 26
29.0%
Q4 25
22.9%
5.3%
Q3 25
12.4%
2.2%
Q2 25
9.7%
1.9%
Q1 25
6.0%
2.0%
Q4 24
17.5%
1.8%
Q3 24
10.5%
1.8%
Q2 24
11.4%
2.3%
Cash Conversion
AMKR
AMKR
IESC
IESC
Q1 26
1.75×
Q4 25
3.75×
0.30×
Q3 25
1.33×
1.29×
Q2 25
4.75×
1.16×
Q1 25
1.14×
0.34×
Q4 24
5.09×
0.65×
Q3 24
1.34×
1.42×
Q2 24
3.36×
1.24×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AMKR
AMKR

Advanced products (1)$1.4B81%
Mainstream products (2)$313.0M19%

IESC
IESC

Communications$351.9M40%
Single Family Electrical Contracts$137.0M16%
Custom Engineered Solutions$116.0M13%
Commercialand Industrial$94.8M11%
Single Family Contracts Plumbing HVAC$82.9M10%
Multi Familyand Other$64.2M7%
Industrial Services$24.2M3%

Related Comparisons