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Side-by-side financial comparison of Amgen (AMGN) and Southern Company (SO). Click either name above to swap in a different company.

Amgen is the larger business by last-quarter revenue ($9.9B vs $7.0B, roughly 1.4× Southern Company). Amgen runs the higher net margin — 13.5% vs 4.9%, a 8.6% gap on every dollar of revenue. On growth, Southern Company posted the faster year-over-year revenue change (10.1% vs 8.6%). Amgen produced more free cash flow last quarter ($961.0M vs $-1.7B). Over the past eight quarters, Amgen's revenue compounded faster (15.1% CAGR vs 2.5%).

Amgen Inc. is an American multinational biopharmaceutical company headquartered in Thousand Oaks, California. The company is ranked 18th on the list of largest biomedical companies by revenue. The name "AMGen" is a portmanteau of the company's original name, Applied Molecular Genetics.

Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...

AMGN vs SO — Head-to-Head

Bigger by revenue
AMGN
AMGN
1.4× larger
AMGN
$9.9B
$7.0B
SO
Growing faster (revenue YoY)
SO
SO
+1.5% gap
SO
10.1%
8.6%
AMGN
Higher net margin
AMGN
AMGN
8.6% more per $
AMGN
13.5%
4.9%
SO
More free cash flow
AMGN
AMGN
$2.6B more FCF
AMGN
$961.0M
$-1.7B
SO
Faster 2-yr revenue CAGR
AMGN
AMGN
Annualised
AMGN
15.1%
2.5%
SO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMGN
AMGN
SO
SO
Revenue
$9.9B
$7.0B
Net Profit
$1.3B
$341.0M
Gross Margin
69.8%
Operating Margin
27.6%
13.1%
Net Margin
13.5%
4.9%
Revenue YoY
8.6%
10.1%
Net Profit YoY
112.6%
-26.8%
EPS (diluted)
$2.45
$0.38

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
AMGN
AMGN
SO
SO
Q4 25
$9.9B
$7.0B
Q3 25
$9.6B
$7.8B
Q2 25
$9.2B
$7.0B
Q1 25
$8.1B
$7.8B
Q4 24
$9.1B
$6.3B
Q3 24
$8.5B
$7.3B
Q2 24
$8.4B
$6.5B
Q1 24
$7.4B
$6.6B
Net Profit
AMGN
AMGN
SO
SO
Q4 25
$1.3B
$341.0M
Q3 25
$3.2B
$1.7B
Q2 25
$1.4B
$880.0M
Q1 25
$1.7B
$1.3B
Q4 24
$627.0M
$466.0M
Q3 24
$2.8B
$1.5B
Q2 24
$746.0M
$1.2B
Q1 24
$-113.0M
$1.1B
Gross Margin
AMGN
AMGN
SO
SO
Q4 25
69.8%
Q3 25
67.8%
Q2 25
67.2%
Q1 25
63.6%
Q4 24
65.7%
Q3 24
61.1%
Q2 24
61.4%
Q1 24
57.0%
Operating Margin
AMGN
AMGN
SO
SO
Q4 25
27.6%
13.1%
Q3 25
26.4%
33.2%
Q2 25
28.9%
25.3%
Q1 25
14.5%
25.9%
Q4 24
25.4%
16.7%
Q3 24
24.1%
32.6%
Q2 24
22.8%
30.0%
Q1 24
13.3%
25.6%
Net Margin
AMGN
AMGN
SO
SO
Q4 25
13.5%
4.9%
Q3 25
33.7%
21.9%
Q2 25
15.6%
12.6%
Q1 25
21.2%
16.3%
Q4 24
6.9%
7.3%
Q3 24
33.3%
21.1%
Q2 24
8.9%
18.6%
Q1 24
-1.5%
16.1%
EPS (diluted)
AMGN
AMGN
SO
SO
Q4 25
$2.45
$0.38
Q3 25
$5.93
$1.54
Q2 25
$2.65
$0.79
Q1 25
$3.20
$1.21
Q4 24
$1.17
$0.48
Q3 24
$5.22
$1.39
Q2 24
$1.38
$1.09
Q1 24
$-0.21
$1.03

Balance Sheet & Financial Strength

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

Metric
AMGN
AMGN
SO
SO
Cash + ST InvestmentsLiquidity on hand
$9.1B
$1.6B
Total DebtLower is stronger
$54.6B
$65.6B
Stockholders' EquityBook value
$8.7B
$36.0B
Total Assets
$90.6B
$155.7B
Debt / EquityLower = less leverage
6.31×
1.82×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMGN
AMGN
SO
SO
Q4 25
$9.1B
$1.6B
Q3 25
$9.4B
$3.3B
Q2 25
$8.0B
$1.3B
Q1 25
$8.8B
$2.3B
Q4 24
$12.0B
$1.1B
Q3 24
$9.0B
$1.0B
Q2 24
$9.3B
$1.2B
Q1 24
$9.7B
$713.0M
Total Debt
AMGN
AMGN
SO
SO
Q4 25
$54.6B
$65.6B
Q3 25
$54.6B
$64.6B
Q2 25
$56.2B
$63.0B
Q1 25
$57.4B
$62.9B
Q4 24
$60.1B
$58.8B
Q3 24
$60.4B
$61.3B
Q2 24
$62.6B
$59.9B
Q1 24
$64.0B
$59.4B
Stockholders' Equity
AMGN
AMGN
SO
SO
Q4 25
$8.7B
$36.0B
Q3 25
$9.6B
$38.3B
Q2 25
$7.4B
$37.3B
Q1 25
$6.2B
$37.2B
Q4 24
$5.9B
$33.2B
Q3 24
$7.5B
$36.9B
Q2 24
$5.9B
$36.1B
Q1 24
$5.0B
$35.6B
Total Assets
AMGN
AMGN
SO
SO
Q4 25
$90.6B
$155.7B
Q3 25
$90.1B
$153.2B
Q2 25
$87.9B
$148.9B
Q1 25
$89.4B
$148.1B
Q4 24
$91.8B
$145.2B
Q3 24
$90.9B
$144.0B
Q2 24
$90.9B
$141.9B
Q1 24
$93.0B
$140.1B
Debt / Equity
AMGN
AMGN
SO
SO
Q4 25
6.31×
1.82×
Q3 25
5.67×
1.69×
Q2 25
7.57×
1.69×
Q1 25
9.24×
1.69×
Q4 24
10.23×
1.77×
Q3 24
8.02×
1.66×
Q2 24
10.57×
1.66×
Q1 24
12.75×
1.67×

Cash Flow & Capital Efficiency

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

Metric
AMGN
AMGN
SO
SO
Operating Cash FlowLast quarter
$1.6B
$2.6B
Free Cash FlowOCF − Capex
$961.0M
$-1.7B
FCF MarginFCF / Revenue
9.7%
-24.2%
Capex IntensityCapex / Revenue
6.5%
61.4%
Cash ConversionOCF / Net Profit
1.20×
7.62×
TTM Free Cash FlowTrailing 4 quarters
$8.1B
$-2.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMGN
AMGN
SO
SO
Q4 25
$1.6B
$2.6B
Q3 25
$4.7B
$3.8B
Q2 25
$2.3B
$2.2B
Q1 25
$1.4B
$1.3B
Q4 24
$4.8B
$2.2B
Q3 24
$3.6B
$3.6B
Q2 24
$2.5B
$2.7B
Q1 24
$689.0M
$1.3B
Free Cash Flow
AMGN
AMGN
SO
SO
Q4 25
$961.0M
$-1.7B
Q3 25
$4.2B
$559.0M
Q2 25
$1.9B
$-619.0M
Q1 25
$980.0M
$-1.2B
Q4 24
$4.4B
$-576.0M
Q3 24
$3.3B
$1.3B
Q2 24
$2.2B
$563.0M
Q1 24
$459.0M
$-459.0M
FCF Margin
AMGN
AMGN
SO
SO
Q4 25
9.7%
-24.2%
Q3 25
44.4%
7.1%
Q2 25
20.8%
-8.9%
Q1 25
12.0%
-15.3%
Q4 24
48.4%
-9.1%
Q3 24
39.0%
17.9%
Q2 24
26.5%
8.7%
Q1 24
6.2%
-6.9%
Capex Intensity
AMGN
AMGN
SO
SO
Q4 25
6.5%
61.4%
Q3 25
4.6%
41.1%
Q2 25
4.0%
40.2%
Q1 25
5.0%
31.3%
Q4 24
4.1%
43.4%
Q3 24
3.0%
31.8%
Q2 24
2.8%
32.9%
Q1 24
3.1%
26.6%
Cash Conversion
AMGN
AMGN
SO
SO
Q4 25
1.20×
7.62×
Q3 25
1.46×
2.21×
Q2 25
1.59×
2.48×
Q1 25
0.80×
0.98×
Q4 24
7.61×
4.66×
Q3 24
1.26×
2.36×
Q2 24
3.30×
2.23×
Q1 24
1.22×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMGN
AMGN

Products$9.4B95%
Xgeva$291.0M3%
Vectibix$163.0M2%
Aranesp$115.0M1%

SO
SO

Other$3.9B57%
Retail Electric Commercial$1.6B23%
Natural Gas Distribution Residential$689.0M10%
Natural Gas Distribution Transportation$371.0M5%
Wholesale Non Affiliates$123.0M2%
Natural Gas Distribution Other$76.0M1%
Wholesale Electric Non PPA Revenues$62.0M1%
Wholesale Affiliates$55.0M1%
Retail Electric Other$31.0M0%
Alternative Energy$20.0M0%
Natural Gas Distribution Industrial$15.0M0%

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