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Side-by-side financial comparison of A. O. Smith (AOS) and Elanco Animal Health Inc (ELAN). Click either name above to swap in a different company.

Elanco Animal Health Inc is the larger business by last-quarter revenue ($1.1B vs $912.5M, roughly 1.3× A. O. Smith). A. O. Smith runs the higher net margin — 13.7% vs -24.1%, a 37.9% gap on every dollar of revenue. On growth, Elanco Animal Health Inc posted the faster year-over-year revenue change (12.2% vs 0.0%). A. O. Smith produced more free cash flow last quarter ($165.5M vs $46.0M). Over the past eight quarters, Elanco Animal Health Inc's revenue compounded faster (-2.6% CAGR vs -3.4%).

A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and purification products in the Asian market. The company has 27 locations worldwide, including five manufacturing facilities in North America, as well as plants in Bengaluru in India, Nanjing in China and Veldhoven in The Netherlands.

Elanco Animal Health Incorporated is an American pharmaceutical company which produces medicines and vaccinations for pets and livestock. Until 2019, the company was a subsidiary of Eli Lilly and Company, before being divested. It is the third-largest animal health company in the world.

AOS vs ELAN — Head-to-Head

Bigger by revenue
ELAN
ELAN
1.3× larger
ELAN
$1.1B
$912.5M
AOS
Growing faster (revenue YoY)
ELAN
ELAN
+12.1% gap
ELAN
12.2%
0.0%
AOS
Higher net margin
AOS
AOS
37.9% more per $
AOS
13.7%
-24.1%
ELAN
More free cash flow
AOS
AOS
$119.5M more FCF
AOS
$165.5M
$46.0M
ELAN
Faster 2-yr revenue CAGR
ELAN
ELAN
Annualised
ELAN
-2.6%
-3.4%
AOS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AOS
AOS
ELAN
ELAN
Revenue
$912.5M
$1.1B
Net Profit
$125.4M
$-276.0M
Gross Margin
38.4%
51.5%
Operating Margin
17.9%
-22.6%
Net Margin
13.7%
-24.1%
Revenue YoY
0.0%
12.2%
Net Profit YoY
14.3%
-3350.0%
EPS (diluted)
$0.89
$-0.55

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
AOS
AOS
ELAN
ELAN
Q4 25
$912.5M
$1.1B
Q3 25
$942.5M
$1.1B
Q2 25
$1.0B
$1.2B
Q1 25
$963.9M
$1.2B
Q4 24
$912.4M
$1.0B
Q3 24
$902.6M
$1.0B
Q2 24
$1.0B
$1.2B
Q1 24
$978.8M
$1.2B
Net Profit
AOS
AOS
ELAN
ELAN
Q4 25
$125.4M
$-276.0M
Q3 25
$132.0M
$-34.0M
Q2 25
$152.2M
$11.0M
Q1 25
$136.6M
$67.0M
Q4 24
$109.7M
$-8.0M
Q3 24
$120.1M
$364.0M
Q2 24
$156.2M
$-50.0M
Q1 24
$147.6M
$32.0M
Gross Margin
AOS
AOS
ELAN
ELAN
Q4 25
38.4%
51.5%
Q3 25
38.7%
53.4%
Q2 25
39.3%
57.5%
Q1 25
38.9%
57.3%
Q4 24
37.1%
50.9%
Q3 24
37.4%
52.2%
Q2 24
38.7%
58.2%
Q1 24
39.3%
57.3%
Operating Margin
AOS
AOS
ELAN
ELAN
Q4 25
17.9%
-22.6%
Q3 25
18.6%
-4.4%
Q2 25
20.4%
2.0%
Q1 25
19.1%
5.0%
Q4 24
10.1%
-5.0%
Q3 24
19.5%
54.3%
Q2 24
21.9%
-2.7%
Q1 24
22.0%
1.0%
Net Margin
AOS
AOS
ELAN
ELAN
Q4 25
13.7%
-24.1%
Q3 25
14.0%
-3.0%
Q2 25
15.0%
0.9%
Q1 25
14.2%
5.6%
Q4 24
12.0%
-0.8%
Q3 24
13.3%
35.3%
Q2 24
15.2%
-4.2%
Q1 24
15.1%
2.7%
EPS (diluted)
AOS
AOS
ELAN
ELAN
Q4 25
$0.89
$-0.55
Q3 25
$0.94
$-0.07
Q2 25
$1.07
$0.02
Q1 25
$0.95
$0.13
Q4 24
$0.75
$-0.01
Q3 24
$0.82
$0.73
Q2 24
$1.06
$-0.10
Q1 24
$1.00
$0.06

Balance Sheet & Financial Strength

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

Metric
AOS
AOS
ELAN
ELAN
Cash + ST InvestmentsLiquidity on hand
$193.2M
$545.0M
Total DebtLower is stronger
$155.0M
$3.9B
Stockholders' EquityBook value
$1.9B
$6.5B
Total Assets
$3.1B
$13.4B
Debt / EquityLower = less leverage
0.08×
0.60×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AOS
AOS
ELAN
ELAN
Q4 25
$193.2M
$545.0M
Q3 25
$172.8M
$505.0M
Q2 25
$177.9M
$539.0M
Q1 25
$200.2M
$487.0M
Q4 24
$276.1M
$468.0M
Q3 24
$255.6M
$490.0M
Q2 24
$233.3M
$416.0M
Q1 24
$303.1M
$345.0M
Total Debt
AOS
AOS
ELAN
ELAN
Q4 25
$155.0M
$3.9B
Q3 25
$4.0B
Q2 25
$4.1B
Q1 25
$4.4B
Q4 24
$193.2M
$4.3B
Q3 24
$4.4B
Q2 24
$5.7B
Q1 24
$5.8B
Stockholders' Equity
AOS
AOS
ELAN
ELAN
Q4 25
$1.9B
$6.5B
Q3 25
$1.8B
$6.7B
Q2 25
$1.8B
$6.8B
Q1 25
$1.9B
$6.4B
Q4 24
$1.9B
$6.1B
Q3 24
$1.9B
$6.5B
Q2 24
$1.9B
$5.9B
Q1 24
$1.9B
$6.1B
Total Assets
AOS
AOS
ELAN
ELAN
Q4 25
$3.1B
$13.4B
Q3 25
$3.2B
$13.6B
Q2 25
$3.2B
$13.7B
Q1 25
$3.3B
$12.9B
Q4 24
$3.2B
$12.6B
Q3 24
$3.2B
$13.3B
Q2 24
$3.2B
$13.8B
Q1 24
$3.2B
$14.0B
Debt / Equity
AOS
AOS
ELAN
ELAN
Q4 25
0.08×
0.60×
Q3 25
0.59×
Q2 25
0.61×
Q1 25
0.69×
Q4 24
0.10×
0.70×
Q3 24
0.67×
Q2 24
0.96×
Q1 24
0.95×

Cash Flow & Capital Efficiency

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

Metric
AOS
AOS
ELAN
ELAN
Operating Cash FlowLast quarter
$183.1M
$108.0M
Free Cash FlowOCF − Capex
$165.5M
$46.0M
FCF MarginFCF / Revenue
18.1%
4.0%
Capex IntensityCapex / Revenue
1.9%
5.4%
Cash ConversionOCF / Net Profit
1.46×
TTM Free Cash FlowTrailing 4 quarters
$546.0M
$284.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AOS
AOS
ELAN
ELAN
Q4 25
$183.1M
$108.0M
Q3 25
$255.4M
$219.0M
Q2 25
$139.6M
$237.0M
Q1 25
$38.7M
$-4.0M
Q4 24
$221.9M
$177.0M
Q3 24
$195.9M
$162.0M
Q2 24
$57.4M
$200.0M
Q1 24
$106.6M
$2.0M
Free Cash Flow
AOS
AOS
ELAN
ELAN
Q4 25
$165.5M
$46.0M
Q3 25
$240.6M
$127.0M
Q2 25
$122.5M
$180.0M
Q1 25
$17.4M
$-69.0M
Q4 24
$191.3M
$130.0M
Q3 24
$163.4M
$120.0M
Q2 24
$34.5M
$166.0M
Q1 24
$84.6M
$-22.0M
FCF Margin
AOS
AOS
ELAN
ELAN
Q4 25
18.1%
4.0%
Q3 25
25.5%
11.2%
Q2 25
12.1%
14.5%
Q1 25
1.8%
-5.8%
Q4 24
21.0%
12.7%
Q3 24
18.1%
11.7%
Q2 24
3.4%
14.0%
Q1 24
8.6%
-1.8%
Capex Intensity
AOS
AOS
ELAN
ELAN
Q4 25
1.9%
5.4%
Q3 25
1.6%
8.1%
Q2 25
1.7%
4.6%
Q1 25
2.2%
5.4%
Q4 24
3.4%
4.6%
Q3 24
3.6%
4.1%
Q2 24
2.2%
2.9%
Q1 24
2.2%
2.0%
Cash Conversion
AOS
AOS
ELAN
ELAN
Q4 25
1.46×
Q3 25
1.93×
Q2 25
0.92×
21.55×
Q1 25
0.28×
-0.06×
Q4 24
2.02×
Q3 24
1.63×
0.45×
Q2 24
0.37×
Q1 24
0.72×
0.06×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AOS
AOS

North America Segment$713.7M78%
Rest Of World$158.3M17%
Other$40.5M4%

ELAN
ELAN

Pet Health$489.0M43%
Cattle$296.0M26%
Poultry$237.0M21%
Swine$107.0M9%
Contract Manufacturing$15.0M1%

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