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Side-by-side financial comparison of Investar Holding Corp (ISTR) and WESTPORT FUEL SYSTEMS INC. (WPRT). Click either name above to swap in a different company.

Investar Holding Corp is the larger business by last-quarter revenue ($23.5M vs $12.5M, roughly 1.9× WESTPORT FUEL SYSTEMS INC.). On growth, Investar Holding Corp posted the faster year-over-year revenue change (0.9% vs -11.4%).

Investar Holding Corp is a U.S.-headquartered bank holding company that primarily operates across the Gulf Coast region. It delivers a full range of commercial and retail banking services, including deposit products, consumer and business loans, mortgage services, and wealth management solutions for individual clients, small and medium-sized enterprises, and commercial entities.

Westport Innovations is a company that develops alternative fuel, low-emissions technologies to allow engines to operate on clean-burning fuels such as compressed natural gas (CNG), liquefied natural gas (LNG), hydrogen and biofuels such as landfill gas. Headquartered in Vancouver, British Columbia, Canada, where the company was founded, Westport also has facilities in France, Sweden, Italy, China, Australia and the United States.

ISTR vs WPRT — Head-to-Head

Bigger by revenue
ISTR
ISTR
1.9× larger
ISTR
$23.5M
$12.5M
WPRT
Growing faster (revenue YoY)
ISTR
ISTR
+12.3% gap
ISTR
0.9%
-11.4%
WPRT

Income Statement — Q4 FY2025 vs Q2 FY2025

Metric
ISTR
ISTR
WPRT
WPRT
Revenue
$23.5M
$12.5M
Net Profit
$-34.3M
Gross Margin
6.7%
Operating Margin
30.9%
-8.1%
Net Margin
-274.8%
Revenue YoY
0.9%
-11.4%
Net Profit YoY
-690.4%
EPS (diluted)
$0.50
$-1.98

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
ISTR
ISTR
WPRT
WPRT
Q4 25
$23.5M
Q3 25
$24.1M
Q2 25
$22.3M
$12.5M
Q1 25
$24.0M
Q4 24
$23.3M
Q3 24
$22.3M
$4.9M
Q2 24
$20.4M
$14.1M
Q1 24
$21.4M
Net Profit
ISTR
ISTR
WPRT
WPRT
Q4 25
Q3 25
$6.2M
Q2 25
$4.5M
$-34.3M
Q1 25
$6.3M
Q4 24
Q3 24
$5.4M
$-3.9M
Q2 24
$4.1M
$5.8M
Q1 24
$4.7M
Gross Margin
ISTR
ISTR
WPRT
WPRT
Q4 25
Q3 25
Q2 25
6.7%
Q1 25
Q4 24
Q3 24
13.6%
Q2 24
16.7%
Q1 24
Operating Margin
ISTR
ISTR
WPRT
WPRT
Q4 25
30.9%
Q3 25
31.0%
Q2 25
24.4%
-8.1%
Q1 25
32.2%
Q4 24
31.1%
Q3 24
27.6%
-43.9%
Q2 24
24.0%
-54.9%
Q1 24
28.5%
Net Margin
ISTR
ISTR
WPRT
WPRT
Q4 25
Q3 25
25.6%
Q2 25
20.2%
-274.8%
Q1 25
26.3%
Q4 24
Q3 24
24.1%
-79.3%
Q2 24
19.9%
41.2%
Q1 24
22.0%
EPS (diluted)
ISTR
ISTR
WPRT
WPRT
Q4 25
$0.50
Q3 25
$0.54
Q2 25
$0.46
$-1.98
Q1 25
$0.63
Q4 24
$0.61
Q3 24
$0.54
$-0.22
Q2 24
$0.41
$0.34
Q1 24
$0.48

Balance Sheet & Financial Strength

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

Metric
ISTR
ISTR
WPRT
WPRT
Cash + ST InvestmentsLiquidity on hand
$6.1M
Total DebtLower is stronger
$9.8M
$977.0K
Stockholders' EquityBook value
$301.1M
$108.9M
Total Assets
$2.8B
$272.1M
Debt / EquityLower = less leverage
0.03×
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ISTR
ISTR
WPRT
WPRT
Q4 25
Q3 25
Q2 25
$6.1M
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Total Debt
ISTR
ISTR
WPRT
WPRT
Q4 25
$9.8M
Q3 25
Q2 25
$977.0K
Q1 25
Q4 24
$9.8M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ISTR
ISTR
WPRT
WPRT
Q4 25
$301.1M
Q3 25
$295.3M
Q2 25
$255.9M
$108.9M
Q1 25
$251.7M
Q4 24
$241.3M
Q3 24
$245.5M
$149.3M
Q2 24
$230.2M
$151.5M
Q1 24
$227.0M
Total Assets
ISTR
ISTR
WPRT
WPRT
Q4 25
$2.8B
Q3 25
$2.8B
Q2 25
$2.7B
$272.1M
Q1 25
$2.7B
Q4 24
$2.7B
Q3 24
$2.8B
Q2 24
$2.8B
Q1 24
$2.8B
Debt / Equity
ISTR
ISTR
WPRT
WPRT
Q4 25
0.03×
Q3 25
Q2 25
0.01×
Q1 25
Q4 24
0.04×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
ISTR
ISTR
WPRT
WPRT
Operating Cash FlowLast quarter
$18.2M
$-5.6M
Free Cash FlowOCF − Capex
$-6.4M
FCF MarginFCF / Revenue
-51.6%
Capex IntensityCapex / Revenue
6.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ISTR
ISTR
WPRT
WPRT
Q4 25
$18.2M
Q3 25
$6.9M
Q2 25
$3.2M
$-5.6M
Q1 25
$4.5M
Q4 24
$15.9M
Q3 24
$5.6M
$-11.7M
Q2 24
$2.8M
$1.5M
Q1 24
$7.8M
Free Cash Flow
ISTR
ISTR
WPRT
WPRT
Q4 25
Q3 25
Q2 25
$-6.4M
Q1 25
Q4 24
Q3 24
$-11.9M
Q2 24
$262.0K
Q1 24
FCF Margin
ISTR
ISTR
WPRT
WPRT
Q4 25
Q3 25
Q2 25
-51.6%
Q1 25
Q4 24
Q3 24
-243.4%
Q2 24
1.9%
Q1 24
Capex Intensity
ISTR
ISTR
WPRT
WPRT
Q4 25
Q3 25
Q2 25
6.6%
Q1 25
Q4 24
Q3 24
3.8%
Q2 24
8.9%
Q1 24
Cash Conversion
ISTR
ISTR
WPRT
WPRT
Q4 25
Q3 25
1.12×
Q2 25
0.71×
Q1 25
0.71×
Q4 24
Q3 24
1.03×
Q2 24
0.70×
0.26×
Q1 24
1.66×

Financial Flow Comparison

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

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