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Side-by-side financial comparison of Gossamer Bio, Inc. (GOSS) and SIEBERT FINANCIAL CORP (SIEB). Click either name above to swap in a different company.

SIEBERT FINANCIAL CORP is the larger business by last-quarter revenue ($23.6M vs $13.8M, roughly 1.7× Gossamer Bio, Inc.). SIEBERT FINANCIAL CORP runs the higher net margin — -1.9% vs -342.3%, a 340.4% gap on every dollar of revenue. On growth, Gossamer Bio, Inc. posted the faster year-over-year revenue change (47.1% vs 17.7%).

Gossamer Bio, Inc. is a clinical-stage biopharmaceutical company focused on discovering, developing and commercializing novel therapeutics for patients with serious immunology, inflammation and oncology conditions. It advances a pipeline of proprietary product candidates across multiple clinical phases, primarily serving healthcare markets in North America and other global regions.

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.

GOSS vs SIEB — Head-to-Head

Bigger by revenue
SIEB
SIEB
1.7× larger
SIEB
$23.6M
$13.8M
GOSS
Growing faster (revenue YoY)
GOSS
GOSS
+29.4% gap
GOSS
47.1%
17.7%
SIEB
Higher net margin
SIEB
SIEB
340.4% more per $
SIEB
-1.9%
-342.3%
GOSS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
GOSS
GOSS
SIEB
SIEB
Revenue
$13.8M
$23.6M
Net Profit
$-47.2M
$-445.0K
Gross Margin
Operating Margin
-333.6%
-5.5%
Net Margin
-342.3%
-1.9%
Revenue YoY
47.1%
17.7%
Net Profit YoY
-43.0%
-125.6%
EPS (diluted)
$-0.21
$-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
GOSS
GOSS
SIEB
SIEB
Q4 25
$13.8M
$23.6M
Q3 25
$13.3M
$26.8M
Q2 25
$14.9M
Q1 25
$28.9M
Q4 24
$20.0M
Q3 24
$22.6M
Q2 24
$95.8M
$20.9M
Q1 24
$0
$20.5M
Net Profit
GOSS
GOSS
SIEB
SIEB
Q4 25
$-47.2M
$-445.0K
Q3 25
$-48.2M
$1.6M
Q2 25
$-4.7M
Q1 25
$8.7M
Q4 24
$1.7M
Q3 24
$3.8M
Q2 24
$49.2M
$4.0M
Q1 24
$-41.9M
$3.7M
Operating Margin
GOSS
GOSS
SIEB
SIEB
Q4 25
-333.6%
-5.5%
Q3 25
-369.4%
8.1%
Q2 25
-39.2%
Q1 25
36.3%
Q4 24
9.7%
Q3 24
21.4%
Q2 24
54.3%
26.7%
Q1 24
24.9%
Net Margin
GOSS
GOSS
SIEB
SIEB
Q4 25
-342.3%
-1.9%
Q3 25
-362.7%
6.0%
Q2 25
-31.7%
Q1 25
29.9%
Q4 24
8.7%
Q3 24
17.0%
Q2 24
51.4%
19.4%
Q1 24
18.0%
EPS (diluted)
GOSS
GOSS
SIEB
SIEB
Q4 25
$-0.21
$-0.01
Q3 25
$-0.21
$0.04
Q2 25
$-0.12
Q1 25
$0.22
Q4 24
$0.04
Q3 24
$0.10
Q2 24
$0.22
$0.10
Q1 24
$-0.19
$0.09

Balance Sheet & Financial Strength

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

Metric
GOSS
GOSS
SIEB
SIEB
Cash + ST InvestmentsLiquidity on hand
$136.9M
$22.4M
Total DebtLower is stronger
$4.1M
Stockholders' EquityBook value
$-122.8M
$89.2M
Total Assets
$172.2M
$759.0M
Debt / EquityLower = less leverage
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GOSS
GOSS
SIEB
SIEB
Q4 25
$136.9M
$22.4M
Q3 25
$180.2M
$19.6M
Q2 25
$28.9M
Q1 25
$25.7M
Q4 24
$32.6M
Q3 24
$4.4M
Q2 24
$354.5M
$5.2M
Q1 24
$244.4M
$2.9M
Total Debt
GOSS
GOSS
SIEB
SIEB
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
Q1 24
$4.3M
Stockholders' Equity
GOSS
GOSS
SIEB
SIEB
Q4 25
$-122.8M
$89.2M
Q3 25
$-82.3M
$90.9M
Q2 25
$89.0M
Q1 25
$93.3M
Q4 24
$84.1M
Q3 24
$82.3M
Q2 24
$81.5M
$78.2M
Q1 24
$26.7M
$73.8M
Total Assets
GOSS
GOSS
SIEB
SIEB
Q4 25
$172.2M
$759.0M
Q3 25
$208.8M
$607.5M
Q2 25
$560.5M
Q1 25
$534.2M
Q4 24
$519.7M
Q3 24
$579.2M
Q2 24
$373.4M
$609.1M
Q1 24
$259.4M
$742.3M
Debt / Equity
GOSS
GOSS
SIEB
SIEB
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×
Q1 24
0.06×

Cash Flow & Capital Efficiency

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

Metric
GOSS
GOSS
SIEB
SIEB
Operating Cash FlowLast quarter
$-48.3M
$10.2M
Free Cash FlowOCF − Capex
$9.7M
FCF MarginFCF / Revenue
41.1%
Capex IntensityCapex / Revenue
0.0%
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
GOSS
GOSS
SIEB
SIEB
Q4 25
$-48.3M
$10.2M
Q3 25
$-36.2M
$43.7M
Q2 25
$631.0K
Q1 25
$-34.5M
Q4 24
$10.1M
Q3 24
$3.0M
Q2 24
$116.3M
$18.6M
Q1 24
$-52.3M
$-47.0M
Free Cash Flow
GOSS
GOSS
SIEB
SIEB
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
Q1 24
$-47.0M
FCF Margin
GOSS
GOSS
SIEB
SIEB
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%
Q1 24
-229.7%
Capex Intensity
GOSS
GOSS
SIEB
SIEB
Q4 25
0.0%
2.3%
Q3 25
0.0%
1.2%
Q2 25
0.4%
Q1 25
0.2%
Q4 24
1.1%
Q3 24
0.0%
Q2 24
0.0%
0.2%
Q1 24
0.1%
Cash Conversion
GOSS
GOSS
SIEB
SIEB
Q4 25
Q3 25
26.89×
Q2 25
Q1 25
-3.98×
Q4 24
5.79×
Q3 24
0.77×
Q2 24
2.36×
4.60×
Q1 24
-12.74×

Financial Flow Comparison

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

Revenue Breakdown by Segment

GOSS
GOSS

Segment breakdown not available.

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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