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Side-by-side financial comparison of Amarin Corp plc (AMRN) and WESTAMERICA BANCORPORATION (WABC). Click either name above to swap in a different company.

WESTAMERICA BANCORPORATION is the larger business by last-quarter revenue ($63.3M vs $45.1M, roughly 1.4× Amarin Corp plc). WESTAMERICA BANCORPORATION runs the higher net margin — 43.9% vs -23.3%, a 67.2% gap on every dollar of revenue. On growth, Amarin Corp plc posted the faster year-over-year revenue change (7.0% vs -9.0%). Over the past eight quarters, WESTAMERICA BANCORPORATION's revenue compounded faster (-8.6% CAGR vs -18.3%).

Amarin Corporation is an Irish-American biopharmaceutical company founded in 1993 and headquartered in Dublin, Ireland and Bridgewater, New Jersey. The company develops and markets medicines for the treatment of cardiovascular disease. It has developed the drug Vascepa (AMR-101), a prescription grade omega-3 fatty acid.

Westamerica Bancorporation is a regional bank holding company headquartered in California, U.S. It operates via its wholly owned banking subsidiary to provide full-spectrum retail and commercial banking services, including deposit products, business and consumer loans, wealth management, and payment services, primarily serving individual consumers, SMEs and local institutional clients in northern and central California.

AMRN vs WABC — Head-to-Head

Bigger by revenue
WABC
WABC
1.4× larger
WABC
$63.3M
$45.1M
AMRN
Growing faster (revenue YoY)
AMRN
AMRN
+16.0% gap
AMRN
7.0%
-9.0%
WABC
Higher net margin
WABC
WABC
67.2% more per $
WABC
43.9%
-23.3%
AMRN
Faster 2-yr revenue CAGR
WABC
WABC
Annualised
WABC
-8.6%
-18.3%
AMRN

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
AMRN
AMRN
WABC
WABC
Revenue
$45.1M
$63.3M
Net Profit
$-10.5M
$27.8M
Gross Margin
Operating Margin
35.5%
59.8%
Net Margin
-23.3%
43.9%
Revenue YoY
7.0%
-9.0%
Net Profit YoY
33.0%
-12.3%
EPS (diluted)
$1.12

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
AMRN
AMRN
WABC
WABC
Q1 26
$45.1M
Q4 25
$49.2M
$63.3M
Q3 25
$49.7M
$63.7M
Q2 25
$72.7M
$64.6M
Q1 25
$42.0M
$66.4M
Q4 24
$62.3M
$69.6M
Q3 24
$42.3M
$74.1M
Q2 24
$67.5M
$74.3M
Net Profit
AMRN
AMRN
WABC
WABC
Q1 26
$-10.5M
Q4 25
$-1.2M
$27.8M
Q3 25
$-7.7M
$28.3M
Q2 25
$-14.1M
$29.1M
Q1 25
$-15.7M
$31.0M
Q4 24
$-48.6M
$31.7M
Q3 24
$-25.1M
$35.1M
Q2 24
$1.5M
$35.5M
Gross Margin
AMRN
AMRN
WABC
WABC
Q1 26
Q4 25
47.1%
Q3 25
44.7%
Q2 25
69.2%
Q1 25
59.8%
Q4 24
-15.4%
Q3 24
38.5%
Q2 24
63.4%
Operating Margin
AMRN
AMRN
WABC
WABC
Q1 26
35.5%
Q4 25
-12.9%
59.8%
Q3 25
-22.4%
59.5%
Q2 25
-22.0%
60.5%
Q1 25
-39.9%
63.0%
Q4 24
-84.3%
62.8%
Q3 24
-59.5%
64.5%
Q2 24
-0.8%
64.8%
Net Margin
AMRN
AMRN
WABC
WABC
Q1 26
-23.3%
Q4 25
-2.5%
43.9%
Q3 25
-15.6%
44.3%
Q2 25
-19.4%
45.0%
Q1 25
-37.4%
46.7%
Q4 24
-78.0%
45.6%
Q3 24
-59.4%
47.3%
Q2 24
2.3%
47.8%
EPS (diluted)
AMRN
AMRN
WABC
WABC
Q1 26
Q4 25
$0.00
$1.12
Q3 25
$-0.02
$1.12
Q2 25
$-0.03
$1.12
Q1 25
$-0.04
$1.16
Q4 24
$-0.12
$1.19
Q3 24
$-0.06
$1.31
Q2 24
$0.00
$1.33

Balance Sheet & Financial Strength

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

Metric
AMRN
AMRN
WABC
WABC
Cash + ST InvestmentsLiquidity on hand
$307.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$933.5M
Total Assets
$645.8M
$6.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMRN
AMRN
WABC
WABC
Q1 26
$307.8M
Q4 25
$302.6M
Q3 25
$286.6M
Q2 25
$298.7M
Q1 25
$281.8M
Q4 24
$294.2M
Q3 24
$305.7M
Q2 24
$306.7M
Stockholders' Equity
AMRN
AMRN
WABC
WABC
Q1 26
Q4 25
$459.3M
$933.5M
Q3 25
$458.9M
$931.6M
Q2 25
$464.9M
$921.8M
Q1 25
$473.7M
$923.1M
Q4 24
$486.2M
$890.0M
Q3 24
$531.4M
$909.0M
Q2 24
$551.9M
$815.6M
Total Assets
AMRN
AMRN
WABC
WABC
Q1 26
$645.8M
Q4 25
$670.8M
$6.0B
Q3 25
$659.8M
$5.9B
Q2 25
$670.1M
$5.8B
Q1 25
$655.7M
$6.0B
Q4 24
$685.3M
$6.1B
Q3 24
$750.6M
$6.2B
Q2 24
$799.9M
$6.3B

Cash Flow & Capital Efficiency

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

Metric
AMRN
AMRN
WABC
WABC
Operating Cash FlowLast quarter
$121.9M
Free Cash FlowOCF − Capex
$119.7M
FCF MarginFCF / Revenue
189.0%
Capex IntensityCapex / Revenue
3.5%
Cash ConversionOCF / Net Profit
4.38×
TTM Free Cash FlowTrailing 4 quarters
$213.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMRN
AMRN
WABC
WABC
Q1 26
Q4 25
$15.3M
$121.9M
Q3 25
$-12.7M
$29.4M
Q2 25
$16.6M
$23.5M
Q1 25
$-12.5M
$42.4M
Q4 24
$-13.3M
$141.6M
Q3 24
$-2.4M
$40.6M
Q2 24
$-2.7M
$19.0M
Free Cash Flow
AMRN
AMRN
WABC
WABC
Q1 26
Q4 25
$119.7M
Q3 25
$28.7M
Q2 25
$22.8M
Q1 25
$42.2M
Q4 24
$139.8M
Q3 24
$40.1M
Q2 24
$18.6M
FCF Margin
AMRN
AMRN
WABC
WABC
Q1 26
Q4 25
189.0%
Q3 25
45.1%
Q2 25
35.3%
Q1 25
63.5%
Q4 24
201.0%
Q3 24
54.1%
Q2 24
25.0%
Capex Intensity
AMRN
AMRN
WABC
WABC
Q1 26
Q4 25
3.5%
Q3 25
1.1%
Q2 25
1.1%
Q1 25
0.3%
Q4 24
2.5%
Q3 24
0.7%
Q2 24
0.6%
Cash Conversion
AMRN
AMRN
WABC
WABC
Q1 26
Q4 25
4.38×
Q3 25
1.04×
Q2 25
0.81×
Q1 25
1.37×
Q4 24
4.47×
Q3 24
1.16×
Q2 24
-1.81×
0.54×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMRN
AMRN

U.S$35.6M79%
Europe$4.9M11%
Rest-of-World (ROW)$2.8M6%
Licensing & Royalties$1.8M4%

WABC
WABC

Segment breakdown not available.

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