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Side-by-side financial comparison of Amarin Corp plc (AMRN) and SIEBERT FINANCIAL CORP (SIEB). Click either name above to swap in a different company.

Amarin Corp plc is the larger business by last-quarter revenue ($45.1M vs $23.6M, roughly 1.9× SIEBERT FINANCIAL CORP). SIEBERT FINANCIAL CORP runs the higher net margin — -1.9% vs -23.3%, a 21.4% gap on every dollar of revenue. On growth, SIEBERT FINANCIAL CORP posted the faster year-over-year revenue change (17.7% vs 7.0%). Over the past eight quarters, SIEBERT FINANCIAL CORP's revenue compounded faster (7.3% 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.

Siebert Financial Corp is a U.S.-based financial services provider specializing in discount brokerage, self-directed investment platforms, retirement account solutions, and personalized financial advisory services. It caters to both retail and institutional clients across the country, operating primarily in the retail investment and wealth management segments with a focus on low-cost, accessible investment options for individual investors.

AMRN vs SIEB — Head-to-Head

Bigger by revenue
AMRN
AMRN
1.9× larger
AMRN
$45.1M
$23.6M
SIEB
Growing faster (revenue YoY)
SIEB
SIEB
+10.7% gap
SIEB
17.7%
7.0%
AMRN
Higher net margin
SIEB
SIEB
21.4% more per $
SIEB
-1.9%
-23.3%
AMRN
Faster 2-yr revenue CAGR
SIEB
SIEB
Annualised
SIEB
7.3%
-18.3%
AMRN

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
AMRN
AMRN
SIEB
SIEB
Revenue
$45.1M
$23.6M
Net Profit
$-10.5M
$-445.0K
Gross Margin
Operating Margin
35.5%
-5.5%
Net Margin
-23.3%
-1.9%
Revenue YoY
7.0%
17.7%
Net Profit YoY
33.0%
-125.6%
EPS (diluted)
$-0.01

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
SIEB
SIEB
Q1 26
$45.1M
Q4 25
$49.2M
$23.6M
Q3 25
$49.7M
$26.8M
Q2 25
$72.7M
$14.9M
Q1 25
$42.0M
$28.9M
Q4 24
$62.3M
$20.0M
Q3 24
$42.3M
$22.6M
Q2 24
$67.5M
$20.9M
Net Profit
AMRN
AMRN
SIEB
SIEB
Q1 26
$-10.5M
Q4 25
$-1.2M
$-445.0K
Q3 25
$-7.7M
$1.6M
Q2 25
$-14.1M
$-4.7M
Q1 25
$-15.7M
$8.7M
Q4 24
$-48.6M
$1.7M
Q3 24
$-25.1M
$3.8M
Q2 24
$1.5M
$4.0M
Gross Margin
AMRN
AMRN
SIEB
SIEB
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
SIEB
SIEB
Q1 26
35.5%
Q4 25
-12.9%
-5.5%
Q3 25
-22.4%
8.1%
Q2 25
-22.0%
-39.2%
Q1 25
-39.9%
36.3%
Q4 24
-84.3%
9.7%
Q3 24
-59.5%
21.4%
Q2 24
-0.8%
26.7%
Net Margin
AMRN
AMRN
SIEB
SIEB
Q1 26
-23.3%
Q4 25
-2.5%
-1.9%
Q3 25
-15.6%
6.0%
Q2 25
-19.4%
-31.7%
Q1 25
-37.4%
29.9%
Q4 24
-78.0%
8.7%
Q3 24
-59.4%
17.0%
Q2 24
2.3%
19.4%
EPS (diluted)
AMRN
AMRN
SIEB
SIEB
Q1 26
Q4 25
$0.00
$-0.01
Q3 25
$-0.02
$0.04
Q2 25
$-0.03
$-0.12
Q1 25
$-0.04
$0.22
Q4 24
$-0.12
$0.04
Q3 24
$-0.06
$0.10
Q2 24
$0.00
$0.10

Balance Sheet & Financial Strength

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

Metric
AMRN
AMRN
SIEB
SIEB
Cash + ST InvestmentsLiquidity on hand
$307.8M
$22.4M
Total DebtLower is stronger
$4.1M
Stockholders' EquityBook value
$89.2M
Total Assets
$645.8M
$759.0M
Debt / EquityLower = less leverage
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMRN
AMRN
SIEB
SIEB
Q1 26
$307.8M
Q4 25
$302.6M
$22.4M
Q3 25
$286.6M
$19.6M
Q2 25
$298.7M
$28.9M
Q1 25
$281.8M
$25.7M
Q4 24
$294.2M
$32.6M
Q3 24
$305.7M
$4.4M
Q2 24
$306.7M
$5.2M
Total Debt
AMRN
AMRN
SIEB
SIEB
Q1 26
Q4 25
$4.1M
Q3 25
$4.2M
Q2 25
$4.2M
Q1 25
$4.2M
Q4 24
$4.2M
Q3 24
$4.2M
Q2 24
$4.3M
Stockholders' Equity
AMRN
AMRN
SIEB
SIEB
Q1 26
Q4 25
$459.3M
$89.2M
Q3 25
$458.9M
$90.9M
Q2 25
$464.9M
$89.0M
Q1 25
$473.7M
$93.3M
Q4 24
$486.2M
$84.1M
Q3 24
$531.4M
$82.3M
Q2 24
$551.9M
$78.2M
Total Assets
AMRN
AMRN
SIEB
SIEB
Q1 26
$645.8M
Q4 25
$670.8M
$759.0M
Q3 25
$659.8M
$607.5M
Q2 25
$670.1M
$560.5M
Q1 25
$655.7M
$534.2M
Q4 24
$685.3M
$519.7M
Q3 24
$750.6M
$579.2M
Q2 24
$799.9M
$609.1M
Debt / Equity
AMRN
AMRN
SIEB
SIEB
Q1 26
Q4 25
0.05×
Q3 25
0.05×
Q2 25
0.05×
Q1 25
0.05×
Q4 24
0.05×
Q3 24
0.05×
Q2 24
0.05×

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
SIEB
SIEB
Operating Cash FlowLast quarter
$10.2M
Free Cash FlowOCF − Capex
$9.7M
FCF MarginFCF / Revenue
41.1%
Capex IntensityCapex / Revenue
2.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$19.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMRN
AMRN
SIEB
SIEB
Q1 26
Q4 25
$15.3M
$10.2M
Q3 25
$-12.7M
$43.7M
Q2 25
$16.6M
$631.0K
Q1 25
$-12.5M
$-34.5M
Q4 24
$-13.3M
$10.1M
Q3 24
$-2.4M
$3.0M
Q2 24
$-2.7M
$18.6M
Free Cash Flow
AMRN
AMRN
SIEB
SIEB
Q1 26
Q4 25
$9.7M
Q3 25
$43.3M
Q2 25
$570.0K
Q1 25
$-34.5M
Q4 24
$9.8M
Q3 24
Q2 24
$18.6M
FCF Margin
AMRN
AMRN
SIEB
SIEB
Q1 26
Q4 25
41.1%
Q3 25
161.5%
Q2 25
3.8%
Q1 25
-119.4%
Q4 24
49.1%
Q3 24
Q2 24
89.0%
Capex Intensity
AMRN
AMRN
SIEB
SIEB
Q1 26
Q4 25
2.3%
Q3 25
1.2%
Q2 25
0.4%
Q1 25
0.2%
Q4 24
1.1%
Q3 24
0.0%
Q2 24
0.2%
Cash Conversion
AMRN
AMRN
SIEB
SIEB
Q1 26
Q4 25
Q3 25
26.89×
Q2 25
Q1 25
-3.98×
Q4 24
5.79×
Q3 24
0.77×
Q2 24
-1.81×
4.60×

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%

SIEB
SIEB

Margin Interest$14.0M59%
Other Incomes$3.6M15%
Proprietary Trading$2.6M11%
Market Making$2.2M9%
Media Sports And Entertainment$1.2M5%

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