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Side-by-side financial comparison of COMPX INTERNATIONAL INC (CIX) and SIEBERT FINANCIAL CORP (SIEB). Click either name above to swap in a different company.

COMPX INTERNATIONAL INC is the larger business by last-quarter revenue ($37.7M vs $23.6M, roughly 1.6× SIEBERT FINANCIAL CORP). COMPX INTERNATIONAL INC runs the higher net margin — 12.4% vs -1.9%, a 14.3% gap on every dollar of revenue. On growth, SIEBERT FINANCIAL CORP posted the faster year-over-year revenue change (17.7% vs -1.9%). COMPX INTERNATIONAL INC produced more free cash flow last quarter ($11.4M vs $9.7M). Over the past eight quarters, SIEBERT FINANCIAL CORP's revenue compounded faster (7.3% CAGR vs -0.4%).

COMPX International Inc. is a diversified manufacturer of security and control products, including high-performance locking systems, electronic access solutions, ergonomic workstation components, and marine hardware. It primarily serves North American and European markets, catering to commercial, residential, industrial, healthcare, and recreational marine segments.

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.

CIX vs SIEB — Head-to-Head

Bigger by revenue
CIX
CIX
1.6× larger
CIX
$37.7M
$23.6M
SIEB
Growing faster (revenue YoY)
SIEB
SIEB
+19.6% gap
SIEB
17.7%
-1.9%
CIX
Higher net margin
CIX
CIX
14.3% more per $
CIX
12.4%
-1.9%
SIEB
More free cash flow
CIX
CIX
$1.7M more FCF
CIX
$11.4M
$9.7M
SIEB
Faster 2-yr revenue CAGR
SIEB
SIEB
Annualised
SIEB
7.3%
-0.4%
CIX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CIX
CIX
SIEB
SIEB
Revenue
$37.7M
$23.6M
Net Profit
$4.7M
$-445.0K
Gross Margin
32.1%
Operating Margin
15.0%
-5.5%
Net Margin
12.4%
-1.9%
Revenue YoY
-1.9%
17.7%
Net Profit YoY
3.6%
-125.6%
EPS (diluted)
$0.38
$-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
CIX
CIX
SIEB
SIEB
Q4 25
$37.7M
$23.6M
Q3 25
$40.0M
$26.8M
Q2 25
$40.4M
$14.9M
Q1 25
$40.3M
$28.9M
Q4 24
$38.4M
$20.0M
Q3 24
$33.7M
$22.6M
Q2 24
$35.9M
$20.9M
Q1 24
$38.0M
$20.5M
Net Profit
CIX
CIX
SIEB
SIEB
Q4 25
$4.7M
$-445.0K
Q3 25
$4.2M
$1.6M
Q2 25
$5.5M
$-4.7M
Q1 25
$5.1M
$8.7M
Q4 24
$4.5M
$1.7M
Q3 24
$3.5M
$3.8M
Q2 24
$4.8M
$4.0M
Q1 24
$3.8M
$3.7M
Gross Margin
CIX
CIX
SIEB
SIEB
Q4 25
32.1%
Q3 25
27.6%
Q2 25
31.9%
Q1 25
30.2%
Q4 24
28.8%
Q3 24
28.1%
Q2 24
31.1%
Q1 24
25.5%
Operating Margin
CIX
CIX
SIEB
SIEB
Q4 25
15.0%
-5.5%
Q3 25
11.9%
8.1%
Q2 25
15.7%
-39.2%
Q1 25
14.6%
36.3%
Q4 24
12.7%
9.7%
Q3 24
9.9%
21.4%
Q2 24
14.2%
26.7%
Q1 24
9.8%
24.9%
Net Margin
CIX
CIX
SIEB
SIEB
Q4 25
12.4%
-1.9%
Q3 25
10.6%
6.0%
Q2 25
13.5%
-31.7%
Q1 25
12.7%
29.9%
Q4 24
11.7%
8.7%
Q3 24
10.3%
17.0%
Q2 24
13.5%
19.4%
Q1 24
9.9%
18.0%
EPS (diluted)
CIX
CIX
SIEB
SIEB
Q4 25
$0.38
$-0.01
Q3 25
$0.34
$0.04
Q2 25
$0.44
$-0.12
Q1 25
$0.42
$0.22
Q4 24
$0.37
$0.04
Q3 24
$0.28
$0.10
Q2 24
$0.39
$0.10
Q1 24
$0.31
$0.09

Balance Sheet & Financial Strength

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

Metric
CIX
CIX
SIEB
SIEB
Cash + ST InvestmentsLiquidity on hand
$54.1M
$22.4M
Total DebtLower is stronger
$4.1M
Stockholders' EquityBook value
$138.6M
$89.2M
Total Assets
$156.2M
$759.0M
Debt / EquityLower = less leverage
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIX
CIX
SIEB
SIEB
Q4 25
$54.1M
$22.4M
Q3 25
$46.3M
$19.6M
Q2 25
$56.2M
$28.9M
Q1 25
$56.1M
$25.7M
Q4 24
$60.8M
$32.6M
Q3 24
$58.8M
$4.4M
Q2 24
$82.1M
$5.2M
Q1 24
$75.6M
$2.9M
Total Debt
CIX
CIX
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
CIX
CIX
SIEB
SIEB
Q4 25
$138.6M
$89.2M
Q3 25
$137.7M
$90.9M
Q2 25
$149.5M
$89.0M
Q1 25
$147.6M
$93.3M
Q4 24
$146.1M
$84.1M
Q3 24
$145.3M
$82.3M
Q2 24
$170.2M
$78.2M
Q1 24
$168.9M
$73.8M
Total Assets
CIX
CIX
SIEB
SIEB
Q4 25
$156.2M
$759.0M
Q3 25
$153.7M
$607.5M
Q2 25
$164.8M
$560.5M
Q1 25
$162.2M
$534.2M
Q4 24
$163.0M
$519.7M
Q3 24
$160.1M
$579.2M
Q2 24
$185.1M
$609.1M
Q1 24
$181.7M
$742.3M
Debt / Equity
CIX
CIX
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
CIX
CIX
SIEB
SIEB
Operating Cash FlowLast quarter
$12.0M
$10.2M
Free Cash FlowOCF − Capex
$11.4M
$9.7M
FCF MarginFCF / Revenue
30.3%
41.1%
Capex IntensityCapex / Revenue
1.6%
2.3%
Cash ConversionOCF / Net Profit
2.57×
TTM Free Cash FlowTrailing 4 quarters
$19.1M
$19.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIX
CIX
SIEB
SIEB
Q4 25
$12.0M
$10.2M
Q3 25
$6.3M
$43.7M
Q2 25
$4.7M
$631.0K
Q1 25
$-137.0K
$-34.5M
Q4 24
$7.3M
$10.1M
Q3 24
$4.1M
$3.0M
Q2 24
$9.8M
$18.6M
Q1 24
$1.7M
$-47.0M
Free Cash Flow
CIX
CIX
SIEB
SIEB
Q4 25
$11.4M
$9.7M
Q3 25
$5.3M
$43.3M
Q2 25
$3.4M
$570.0K
Q1 25
$-959.0K
$-34.5M
Q4 24
$7.1M
$9.8M
Q3 24
$3.6M
Q2 24
$9.4M
$18.6M
Q1 24
$1.4M
$-47.0M
FCF Margin
CIX
CIX
SIEB
SIEB
Q4 25
30.3%
41.1%
Q3 25
13.2%
161.5%
Q2 25
8.4%
3.8%
Q1 25
-2.4%
-119.4%
Q4 24
18.5%
49.1%
Q3 24
10.8%
Q2 24
26.2%
89.0%
Q1 24
3.6%
-229.7%
Capex Intensity
CIX
CIX
SIEB
SIEB
Q4 25
1.6%
2.3%
Q3 25
2.5%
1.2%
Q2 25
3.3%
0.4%
Q1 25
2.0%
0.2%
Q4 24
0.6%
1.1%
Q3 24
1.4%
0.0%
Q2 24
1.2%
0.2%
Q1 24
0.8%
0.1%
Cash Conversion
CIX
CIX
SIEB
SIEB
Q4 25
2.57×
Q3 25
1.48×
26.89×
Q2 25
0.87×
Q1 25
-0.03×
-3.98×
Q4 24
1.62×
5.79×
Q3 24
1.18×
0.77×
Q2 24
2.03×
4.60×
Q1 24
0.45×
-12.74×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CIX
CIX

Security Products$29.5M78%
Marine Components$8.2M22%

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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