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Side-by-side financial comparison of AMKOR TECHNOLOGY, INC. (AMKR) and DONALDSON Co INC (DCI). Click either name above to swap in a different company.

AMKOR TECHNOLOGY, INC. is the larger business by last-quarter revenue ($1.7B vs $935.4M, roughly 1.8× DONALDSON Co INC). DONALDSON Co INC runs the higher net margin — 12.2% vs 4.9%, a 7.3% gap on every dollar of revenue. On growth, AMKOR TECHNOLOGY, INC. posted the faster year-over-year revenue change (27.5% vs 3.9%). Over the past eight quarters, AMKOR TECHNOLOGY, INC.'s revenue compounded faster (7.4% CAGR vs 3.3%).

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.

Donaldson Company, Inc. is a filtration company engaged in the production and marketing of filtration products used in a variety of industry sectors, including commercial/industrial, aerospace, chemical, alternative energy (windmills), food & beverage, and pharmaceuticals. Also the company's research division, located in Minneapolis, Minn., participated in defense-related projects for various military applications.

AMKR vs DCI — Head-to-Head

Bigger by revenue
AMKR
AMKR
1.8× larger
AMKR
$1.7B
$935.4M
DCI
Growing faster (revenue YoY)
AMKR
AMKR
+23.5% gap
AMKR
27.5%
3.9%
DCI
Higher net margin
DCI
DCI
7.3% more per $
DCI
12.2%
4.9%
AMKR
Faster 2-yr revenue CAGR
AMKR
AMKR
Annualised
AMKR
7.4%
3.3%
DCI

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
AMKR
AMKR
DCI
DCI
Revenue
$1.7B
$935.4M
Net Profit
$83.0M
$113.9M
Gross Margin
14.2%
35.2%
Operating Margin
5.9%
16.0%
Net Margin
4.9%
12.2%
Revenue YoY
27.5%
3.9%
Net Profit YoY
295.2%
15.1%
EPS (diluted)
$0.33
$0.97

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
DCI
DCI
Q1 26
$1.7B
Q4 25
$1.9B
$935.4M
Q3 25
$2.0B
$980.7M
Q2 25
$1.5B
$940.1M
Q1 25
$1.3B
$870.0M
Q4 24
$1.6B
$900.1M
Q3 24
$1.9B
$935.4M
Q2 24
$1.5B
$927.9M
Net Profit
AMKR
AMKR
DCI
DCI
Q1 26
$83.0M
Q4 25
$171.8M
$113.9M
Q3 25
$126.6M
$114.3M
Q2 25
$54.4M
$57.8M
Q1 25
$21.1M
$95.9M
Q4 24
$105.6M
$99.0M
Q3 24
$122.6M
$109.7M
Q2 24
$66.9M
$113.5M
Gross Margin
AMKR
AMKR
DCI
DCI
Q1 26
14.2%
Q4 25
16.7%
35.2%
Q3 25
14.3%
34.5%
Q2 25
12.0%
34.2%
Q1 25
11.9%
35.2%
Q4 24
15.1%
35.5%
Q3 24
14.6%
35.8%
Q2 24
14.5%
35.6%
Operating Margin
AMKR
AMKR
DCI
DCI
Q1 26
5.9%
Q4 25
9.8%
16.0%
Q3 25
8.0%
15.5%
Q2 25
6.1%
9.3%
Q1 25
2.4%
14.4%
Q4 24
8.3%
14.5%
Q3 24
8.0%
15.6%
Q2 24
5.6%
15.5%
Net Margin
AMKR
AMKR
DCI
DCI
Q1 26
4.9%
Q4 25
9.1%
12.2%
Q3 25
6.4%
11.7%
Q2 25
3.6%
6.1%
Q1 25
1.6%
11.0%
Q4 24
6.5%
11.0%
Q3 24
6.6%
11.7%
Q2 24
4.6%
12.2%
EPS (diluted)
AMKR
AMKR
DCI
DCI
Q1 26
$0.33
Q4 25
$0.68
$0.97
Q3 25
$0.51
$0.97
Q2 25
$0.22
$0.48
Q1 25
$0.09
$0.79
Q4 24
$0.43
$0.81
Q3 24
$0.49
$0.90
Q2 24
$0.27
$0.92

Balance Sheet & Financial Strength

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

Metric
AMKR
AMKR
DCI
DCI
Cash + ST InvestmentsLiquidity on hand
$1.8B
$210.7M
Total DebtLower is stronger
$1.3B
$671.5M
Stockholders' EquityBook value
$4.6B
$1.5B
Total Assets
$8.3B
$3.0B
Debt / EquityLower = less leverage
0.28×
0.44×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMKR
AMKR
DCI
DCI
Q1 26
$1.8B
Q4 25
$2.0B
$210.7M
Q3 25
$2.1B
$180.4M
Q2 25
$2.0B
$178.5M
Q1 25
$1.6B
$189.1M
Q4 24
$1.6B
$221.2M
Q3 24
$1.5B
$232.7M
Q2 24
$1.5B
$223.7M
Total Debt
AMKR
AMKR
DCI
DCI
Q1 26
$1.3B
Q4 25
$671.5M
Q3 25
$630.4M
Q2 25
$638.8M
Q1 25
$514.7M
Q4 24
$538.6M
Q3 24
$483.4M
Q2 24
$481.8M
Stockholders' Equity
AMKR
AMKR
DCI
DCI
Q1 26
$4.6B
Q4 25
$4.5B
$1.5B
Q3 25
$4.3B
$1.5B
Q2 25
$4.2B
$1.5B
Q1 25
$4.2B
$1.5B
Q4 24
$4.1B
$1.5B
Q3 24
$4.2B
$1.5B
Q2 24
$4.0B
$1.5B
Total Assets
AMKR
AMKR
DCI
DCI
Q1 26
$8.3B
Q4 25
$8.1B
$3.0B
Q3 25
$8.2B
$3.0B
Q2 25
$7.7B
$3.0B
Q1 25
$6.9B
$3.0B
Q4 24
$6.9B
$3.0B
Q3 24
$7.0B
$2.9B
Q2 24
$6.9B
$2.9B
Debt / Equity
AMKR
AMKR
DCI
DCI
Q1 26
0.28×
Q4 25
0.44×
Q3 25
0.43×
Q2 25
0.44×
Q1 25
0.33×
Q4 24
0.35×
Q3 24
0.32×
Q2 24
0.32×

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
DCI
DCI
Operating Cash FlowLast quarter
$145.1M
$125.4M
Free Cash FlowOCF − Capex
$111.2M
FCF MarginFCF / Revenue
11.9%
Capex IntensityCapex / Revenue
29.0%
1.5%
Cash ConversionOCF / Net Profit
1.75×
1.10×
TTM Free Cash FlowTrailing 4 quarters
$403.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMKR
AMKR
DCI
DCI
Q1 26
$145.1M
Q4 25
$644.5M
$125.4M
Q3 25
$168.5M
$167.8M
Q2 25
$258.5M
$87.7M
Q1 25
$24.1M
$90.4M
Q4 24
$537.6M
$72.9M
Q3 24
$164.2M
$126.0M
Q2 24
$224.8M
$141.5M
Free Cash Flow
AMKR
AMKR
DCI
DCI
Q1 26
Q4 25
$212.4M
$111.2M
Q3 25
$-77.9M
$147.5M
Q2 25
$112.3M
$73.0M
Q1 25
$-55.7M
$71.5M
Q4 24
$251.9M
$47.9M
Q3 24
$-31.3M
$106.2M
Q2 24
$58.4M
$120.2M
FCF Margin
AMKR
AMKR
DCI
DCI
Q1 26
Q4 25
11.2%
11.9%
Q3 25
-3.9%
15.0%
Q2 25
7.4%
7.8%
Q1 25
-4.2%
8.2%
Q4 24
15.5%
5.3%
Q3 24
-1.7%
11.4%
Q2 24
4.0%
13.0%
Capex Intensity
AMKR
AMKR
DCI
DCI
Q1 26
29.0%
Q4 25
22.9%
1.5%
Q3 25
12.4%
2.1%
Q2 25
9.7%
1.6%
Q1 25
6.0%
2.2%
Q4 24
17.5%
2.8%
Q3 24
10.5%
2.1%
Q2 24
11.4%
2.3%
Cash Conversion
AMKR
AMKR
DCI
DCI
Q1 26
1.75×
Q4 25
3.75×
1.10×
Q3 25
1.33×
1.47×
Q2 25
4.75×
1.52×
Q1 25
1.14×
0.94×
Q4 24
5.09×
0.74×
Q3 24
1.34×
1.15×
Q2 24
3.36×
1.25×

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%

DCI
DCI

Aftermarket Products$447.1M48%
Industrial Filtration Solutions Products$222.6M24%
Off Road Products$86.5M9%
Life Sciences Segment$80.0M9%
Other$39.1M4%
Aerospace And Defense Products$37.1M4%
On Road Products$23.0M2%

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