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Side-by-side financial comparison of MARINE PRODUCTS CORP (MPX) and NATURAL ALTERNATIVES INTERNATIONAL INC (NAII). Click either name above to swap in a different company.

MARINE PRODUCTS CORP is the larger business by last-quarter revenue ($64.6M vs $34.8M, roughly 1.9× NATURAL ALTERNATIVES INTERNATIONAL INC). MARINE PRODUCTS CORP runs the higher net margin — 3.7% vs -7.3%, a 11.0% gap on every dollar of revenue. On growth, MARINE PRODUCTS CORP posted the faster year-over-year revenue change (35.0% vs 2.1%). MARINE PRODUCTS CORP produced more free cash flow last quarter ($4.1M vs $-7.3M). Over the past eight quarters, NATURAL ALTERNATIVES INTERNATIONAL INC's revenue compounded faster (17.7% CAGR vs -3.5%).

West Marine is an American company based in Fort Lauderdale, Florida, which operates a chain of boating supply and fishing retail stores. The company has 247 retail stores in North America. West Marine also runs Blue Future a non profit organization. West Marine's flagship store is in Fort Lauderdale. Opened on November 11, 2011, the store is the company's largest at over 50,000 square feet.

Natural Alternatives International, Inc. (NAI) is an American company based in Carlsbad, California which manufactures nutritional supplements such as Juice Plus. NAI was founded in 1980 by Mark A. LeDoux, and had 241 employees in 2007. NAI's manufacturing facilities are located in Vista, California, Switzerland and Japan.

MPX vs NAII — Head-to-Head

Bigger by revenue
MPX
MPX
1.9× larger
MPX
$64.6M
$34.8M
NAII
Growing faster (revenue YoY)
MPX
MPX
+32.9% gap
MPX
35.0%
2.1%
NAII
Higher net margin
MPX
MPX
11.0% more per $
MPX
3.7%
-7.3%
NAII
More free cash flow
MPX
MPX
$11.4M more FCF
MPX
$4.1M
$-7.3M
NAII
Faster 2-yr revenue CAGR
NAII
NAII
Annualised
NAII
17.7%
-3.5%
MPX

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
MPX
MPX
NAII
NAII
Revenue
$64.6M
$34.8M
Net Profit
$2.4M
$-2.6M
Gross Margin
19.6%
7.2%
Operating Margin
5.8%
-5.3%
Net Margin
3.7%
-7.3%
Revenue YoY
35.0%
2.1%
Net Profit YoY
-44.6%
-16.5%
EPS (diluted)
$0.07
$-0.42

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
MPX
MPX
NAII
NAII
Q4 25
$64.6M
$34.8M
Q3 25
$53.1M
$37.7M
Q2 25
$67.7M
$33.9M
Q1 25
$59.0M
$28.8M
Q4 24
$47.8M
$34.1M
Q3 24
$49.9M
$33.1M
Q2 24
$69.5M
$29.5M
Q1 24
$69.3M
$25.1M
Net Profit
MPX
MPX
NAII
NAII
Q4 25
$2.4M
$-2.6M
Q3 25
$2.6M
$-291.0K
Q2 25
$4.2M
$-7.2M
Q1 25
$2.2M
$-2.2M
Q4 24
$4.3M
$-2.2M
Q3 24
$3.4M
$-2.0M
Q2 24
$5.6M
$-1.9M
Q1 24
$4.6M
$-1.6M
Gross Margin
MPX
MPX
NAII
NAII
Q4 25
19.6%
7.2%
Q3 25
19.2%
11.7%
Q2 25
19.1%
10.4%
Q1 25
18.6%
6.3%
Q4 24
19.2%
4.9%
Q3 24
18.4%
6.8%
Q2 24
18.9%
4.8%
Q1 24
20.2%
7.6%
Operating Margin
MPX
MPX
NAII
NAII
Q4 25
5.8%
-5.3%
Q3 25
5.4%
0.8%
Q2 25
7.1%
-5.7%
Q1 25
4.4%
-7.3%
Q4 24
7.7%
-8.2%
Q3 24
7.2%
-5.5%
Q2 24
8.3%
-8.6%
Q1 24
7.6%
-7.8%
Net Margin
MPX
MPX
NAII
NAII
Q4 25
3.7%
-7.3%
Q3 25
5.0%
-0.8%
Q2 25
6.1%
-21.3%
Q1 25
3.7%
-7.6%
Q4 24
8.9%
-6.4%
Q3 24
6.8%
-6.0%
Q2 24
8.0%
-6.4%
Q1 24
6.6%
-6.3%
EPS (diluted)
MPX
MPX
NAII
NAII
Q4 25
$0.07
$-0.42
Q3 25
$0.07
$-0.05
Q2 25
$0.12
$-1.21
Q1 25
$0.06
$-0.37
Q4 24
$0.13
$-0.37
Q3 24
$0.10
$-0.33
Q2 24
$0.14
$-0.32
Q1 24
$0.13
$-0.27

Balance Sheet & Financial Strength

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

Metric
MPX
MPX
NAII
NAII
Cash + ST InvestmentsLiquidity on hand
$3.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$125.0M
$67.0M
Total Assets
$147.2M
$153.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPX
MPX
NAII
NAII
Q4 25
$3.8M
Q3 25
$7.7M
Q2 25
$12.3M
Q1 25
$10.6M
Q4 24
$8.7M
Q3 24
$10.2M
Q2 24
$12.0M
Q1 24
$12.4M
Stockholders' Equity
MPX
MPX
NAII
NAII
Q4 25
$125.0M
$67.0M
Q3 25
$126.3M
$69.0M
Q2 25
$127.2M
$68.4M
Q1 25
$126.4M
$76.6M
Q4 24
$129.0M
$79.1M
Q3 24
$128.8M
$80.2M
Q2 24
$129.3M
$82.6M
Q1 24
$151.4M
$84.1M
Total Assets
MPX
MPX
NAII
NAII
Q4 25
$147.2M
$153.3M
Q3 25
$179.5M
$156.9M
Q2 25
$173.2M
$151.9M
Q1 25
$182.9M
$154.9M
Q4 24
$171.2M
$156.1M
Q3 24
$176.3M
$161.3M
Q2 24
$175.7M
$162.3M
Q1 24
$204.0M
$153.2M

Cash Flow & Capital Efficiency

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

Metric
MPX
MPX
NAII
NAII
Operating Cash FlowLast quarter
$4.7M
$-6.3M
Free Cash FlowOCF − Capex
$4.1M
$-7.3M
FCF MarginFCF / Revenue
6.4%
-20.9%
Capex IntensityCapex / Revenue
0.9%
2.7%
Cash ConversionOCF / Net Profit
2.00×
TTM Free Cash FlowTrailing 4 quarters
$14.9M
$-5.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPX
MPX
NAII
NAII
Q4 25
$4.7M
$-6.3M
Q3 25
$2.6M
$-4.0M
Q2 25
$-1.6M
$3.3M
Q1 25
$10.8M
$6.0M
Q4 24
$4.6M
$37.0K
Q3 24
$5.1M
$-3.4M
Q2 24
$3.8M
$-2.7M
Q1 24
$15.9M
$-3.6M
Free Cash Flow
MPX
MPX
NAII
NAII
Q4 25
$4.1M
$-7.3M
Q3 25
$2.1M
$-5.1M
Q2 25
$-2.0M
$1.9M
Q1 25
$10.7M
$5.2M
Q4 24
$3.6M
$-1.0M
Q3 24
$3.2M
$-3.7M
Q2 24
$3.0M
$-3.8M
Q1 24
$15.0M
$-3.9M
FCF Margin
MPX
MPX
NAII
NAII
Q4 25
6.4%
-20.9%
Q3 25
4.0%
-13.4%
Q2 25
-3.0%
5.6%
Q1 25
18.1%
18.0%
Q4 24
7.6%
-3.0%
Q3 24
6.5%
-11.3%
Q2 24
4.4%
-12.7%
Q1 24
21.7%
-15.5%
Capex Intensity
MPX
MPX
NAII
NAII
Q4 25
0.9%
2.7%
Q3 25
0.8%
2.7%
Q2 25
0.6%
4.3%
Q1 25
0.2%
2.8%
Q4 24
2.1%
3.1%
Q3 24
3.8%
0.9%
Q2 24
1.1%
3.5%
Q1 24
1.3%
1.1%
Cash Conversion
MPX
MPX
NAII
NAII
Q4 25
2.00×
Q3 25
0.97×
Q2 25
-0.39×
Q1 25
4.88×
Q4 24
1.09×
Q3 24
1.51×
Q2 24
0.68×
Q1 24
3.46×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MPX
MPX

Boats And Accessories$63.4M98%
Parts$1.1M2%

NAII
NAII

Private Label Contract Manufacturing$32.8M94%
Patent And Trademark Licensing$2.0M6%

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