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Side-by-side financial comparison of COMPX INTERNATIONAL INC (CIX) and NATURAL RESOURCE PARTNERS LP (NRP). Click either name above to swap in a different company.

NATURAL RESOURCE PARTNERS LP is the larger business by last-quarter revenue ($51.3M vs $37.7M, roughly 1.4× COMPX INTERNATIONAL INC). NATURAL RESOURCE PARTNERS LP runs the higher net margin — 78.5% vs 12.4%, a 66.1% gap on every dollar of revenue. On growth, COMPX INTERNATIONAL INC posted the faster year-over-year revenue change (-1.9% vs -21.8%). Over the past eight quarters, COMPX INTERNATIONAL INC's revenue compounded faster (-0.4% CAGR vs -8.3%).

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.

Natural Resource Partners LP is a U.S.-headquartered master limited partnership that owns, manages and leases mineral reserve interests. Its asset portfolio covers coal, aggregates, industrial minerals and oil & gas, with operations primarily across North America, deriving most revenue from royalties paid by third-party resource extraction operators.

CIX vs NRP — Head-to-Head

Bigger by revenue
NRP
NRP
1.4× larger
NRP
$51.3M
$37.7M
CIX
Growing faster (revenue YoY)
CIX
CIX
+20.0% gap
CIX
-1.9%
-21.8%
NRP
Higher net margin
NRP
NRP
66.1% more per $
NRP
78.5%
12.4%
CIX
Faster 2-yr revenue CAGR
CIX
CIX
Annualised
CIX
-0.4%
-8.3%
NRP

Income Statement — Q4 FY2025 vs Q1 FY2025

Metric
CIX
CIX
NRP
NRP
Revenue
$37.7M
$51.3M
Net Profit
$4.7M
$40.3M
Gross Margin
32.1%
Operating Margin
15.0%
83.7%
Net Margin
12.4%
78.5%
Revenue YoY
-1.9%
-21.8%
Net Profit YoY
3.6%
-28.4%
EPS (diluted)
$0.38

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
NRP
NRP
Q4 25
$37.7M
Q3 25
$40.0M
Q2 25
$40.4M
Q1 25
$40.3M
$51.3M
Q4 24
$38.4M
$61.8M
Q3 24
$33.7M
$50.4M
Q2 24
$35.9M
$54.6M
Q1 24
$38.0M
$65.6M
Net Profit
CIX
CIX
NRP
NRP
Q4 25
$4.7M
Q3 25
$4.2M
Q2 25
$5.5M
Q1 25
$5.1M
$40.3M
Q4 24
$4.5M
$42.8M
Q3 24
$3.5M
$38.6M
Q2 24
$4.8M
$46.1M
Q1 24
$3.8M
$56.2M
Gross Margin
CIX
CIX
NRP
NRP
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
NRP
NRP
Q4 25
15.0%
Q3 25
11.9%
Q2 25
15.7%
Q1 25
14.6%
83.7%
Q4 24
12.7%
74.9%
Q3 24
9.9%
84.9%
Q2 24
14.2%
92.3%
Q1 24
9.8%
91.0%
Net Margin
CIX
CIX
NRP
NRP
Q4 25
12.4%
Q3 25
10.6%
Q2 25
13.5%
Q1 25
12.7%
78.5%
Q4 24
11.7%
69.2%
Q3 24
10.3%
76.6%
Q2 24
13.5%
84.4%
Q1 24
9.9%
85.7%
EPS (diluted)
CIX
CIX
NRP
NRP
Q4 25
$0.38
Q3 25
$0.34
Q2 25
$0.44
Q1 25
$0.42
Q4 24
$0.37
Q3 24
$0.28
Q2 24
$0.39
Q1 24
$0.31

Balance Sheet & Financial Strength

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

Metric
CIX
CIX
NRP
NRP
Cash + ST InvestmentsLiquidity on hand
$54.1M
$30.9M
Total DebtLower is stronger
$138.8M
Stockholders' EquityBook value
$138.6M
Total Assets
$156.2M
$772.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIX
CIX
NRP
NRP
Q4 25
$54.1M
Q3 25
$46.3M
Q2 25
$56.2M
Q1 25
$56.1M
$30.9M
Q4 24
$60.8M
$30.4M
Q3 24
$58.8M
$30.9M
Q2 24
$82.1M
$32.3M
Q1 24
$75.6M
$11.0M
Total Debt
CIX
CIX
NRP
NRP
Q4 25
Q3 25
Q2 25
Q1 25
$138.8M
Q4 24
$142.1M
Q3 24
$197.4M
Q2 24
$210.3M
Q1 24
$188.8M
Stockholders' Equity
CIX
CIX
NRP
NRP
Q4 25
$138.6M
Q3 25
$137.7M
Q2 25
$149.5M
Q1 25
$147.6M
Q4 24
$146.1M
Q3 24
$145.3M
Q2 24
$170.2M
Q1 24
$168.9M
Total Assets
CIX
CIX
NRP
NRP
Q4 25
$156.2M
Q3 25
$153.7M
Q2 25
$164.8M
Q1 25
$162.2M
$772.5M
Q4 24
$163.0M
$772.9M
Q3 24
$160.1M
$772.9M
Q2 24
$185.1M
$789.6M
Q1 24
$181.7M
$772.9M

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
NRP
NRP
Operating Cash FlowLast quarter
$12.0M
$34.4M
Free Cash FlowOCF − Capex
$11.4M
FCF MarginFCF / Revenue
30.3%
Capex IntensityCapex / Revenue
1.6%
Cash ConversionOCF / Net Profit
2.57×
0.86×
TTM Free Cash FlowTrailing 4 quarters
$19.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIX
CIX
NRP
NRP
Q4 25
$12.0M
Q3 25
$6.3M
Q2 25
$4.7M
Q1 25
$-137.0K
$34.4M
Q4 24
$7.3M
$66.2M
Q3 24
$4.1M
$54.1M
Q2 24
$9.8M
$56.6M
Q1 24
$1.7M
$71.5M
Free Cash Flow
CIX
CIX
NRP
NRP
Q4 25
$11.4M
Q3 25
$5.3M
Q2 25
$3.4M
Q1 25
$-959.0K
Q4 24
$7.1M
Q3 24
$3.6M
Q2 24
$9.4M
Q1 24
$1.4M
FCF Margin
CIX
CIX
NRP
NRP
Q4 25
30.3%
Q3 25
13.2%
Q2 25
8.4%
Q1 25
-2.4%
Q4 24
18.5%
Q3 24
10.8%
Q2 24
26.2%
Q1 24
3.6%
Capex Intensity
CIX
CIX
NRP
NRP
Q4 25
1.6%
Q3 25
2.5%
Q2 25
3.3%
Q1 25
2.0%
Q4 24
0.6%
0.0%
Q3 24
1.4%
0.0%
Q2 24
1.2%
0.0%
Q1 24
0.8%
0.0%
Cash Conversion
CIX
CIX
NRP
NRP
Q4 25
2.57×
Q3 25
1.48×
Q2 25
0.87×
Q1 25
-0.03×
0.86×
Q4 24
1.62×
1.55×
Q3 24
1.18×
1.40×
Q2 24
2.03×
1.23×
Q1 24
0.45×
1.27×

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%

NRP
NRP

Coal Royalty Revenues$35.5M69%
Soda Ash Segment$4.6M9%
Transportation And Processing Services$4.4M9%
Production Lease Minimum Revenues$2.7M5%
Oil And Gas Royalty Revenues$2.4M5%
Other$1.6M3%

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