vs

Side-by-side financial comparison of BWX Technologies, Inc. (BWXT) and WESTPORT FUEL SYSTEMS INC. (WPRT). Click either name above to swap in a different company.

BWX Technologies, Inc. is the larger business by last-quarter revenue ($885.8M vs $1.6M, roughly 547.8× WESTPORT FUEL SYSTEMS INC.). BWX Technologies, Inc. runs the higher net margin — 10.5% vs -848.9%, a 859.4% gap on every dollar of revenue. On growth, BWX Technologies, Inc. posted the faster year-over-year revenue change (18.7% vs -66.8%). BWX Technologies, Inc. produced more free cash flow last quarter ($56.8M vs $-5.0M).

BWX Technologies, Inc. is a company headquartered in Lynchburg, Virginia that supplies nuclear components and fuel internationally.

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.

BWXT vs WPRT — Head-to-Head

Bigger by revenue
BWXT
BWXT
547.8× larger
BWXT
$885.8M
$1.6M
WPRT
Growing faster (revenue YoY)
BWXT
BWXT
+85.5% gap
BWXT
18.7%
-66.8%
WPRT
Higher net margin
BWXT
BWXT
859.4% more per $
BWXT
10.5%
-848.9%
WPRT
More free cash flow
BWXT
BWXT
$61.8M more FCF
BWXT
$56.8M
$-5.0M
WPRT

Income Statement — Q4 2025 vs Q3 2025

Metric
BWXT
BWXT
WPRT
WPRT
Revenue
$885.8M
$1.6M
Net Profit
$93.0M
$-13.7M
Gross Margin
29.2%
Operating Margin
10.4%
-476.8%
Net Margin
10.5%
-848.9%
Revenue YoY
18.7%
-66.8%
Net Profit YoY
30.9%
-254.9%
EPS (diluted)
$1.02
$-0.79

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
BWXT
BWXT
WPRT
WPRT
Q4 25
$885.8M
Q3 25
$866.3M
$1.6M
Q2 25
$764.0M
$12.5M
Q1 25
$682.3M
Q4 24
$746.3M
Q3 24
$672.0M
$4.9M
Q2 24
$681.5M
$14.1M
Q1 24
$604.0M
Net Profit
BWXT
BWXT
WPRT
WPRT
Q4 25
$93.0M
Q3 25
$82.1M
$-13.7M
Q2 25
$78.4M
$-34.3M
Q1 25
$75.5M
Q4 24
$71.0M
Q3 24
$69.5M
$-3.9M
Q2 24
$73.0M
$5.8M
Q1 24
$68.5M
Gross Margin
BWXT
BWXT
WPRT
WPRT
Q4 25
Q3 25
21.8%
29.2%
Q2 25
25.1%
6.7%
Q1 25
24.2%
Q4 24
Q3 24
24.4%
13.6%
Q2 24
24.7%
16.7%
Q1 24
24.6%
Operating Margin
BWXT
BWXT
WPRT
WPRT
Q4 25
10.4%
Q3 25
13.1%
-476.8%
Q2 25
13.4%
-8.1%
Q1 25
14.2%
Q4 24
12.4%
Q3 24
14.4%
-43.9%
Q2 24
14.5%
-54.9%
Q1 24
15.4%
Net Margin
BWXT
BWXT
WPRT
WPRT
Q4 25
10.5%
Q3 25
9.5%
-848.9%
Q2 25
10.3%
-274.8%
Q1 25
11.1%
Q4 24
9.5%
Q3 24
10.3%
-79.3%
Q2 24
10.7%
41.2%
Q1 24
11.3%
EPS (diluted)
BWXT
BWXT
WPRT
WPRT
Q4 25
$1.02
Q3 25
$0.89
$-0.79
Q2 25
$0.85
$-1.98
Q1 25
$0.82
Q4 24
$0.77
Q3 24
$0.76
$-0.22
Q2 24
$0.79
$0.34
Q1 24
$0.75

Balance Sheet & Financial Strength

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

Metric
BWXT
BWXT
WPRT
WPRT
Cash + ST InvestmentsLiquidity on hand
$499.8M
$33.1M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$1.2B
$80.2M
Total Assets
$4.3B
$104.1M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BWXT
BWXT
WPRT
WPRT
Q4 25
$499.8M
Q3 25
$79.6M
$33.1M
Q2 25
$37.0M
$6.1M
Q1 25
$55.4M
Q4 24
$74.1M
Q3 24
$35.5M
Q2 24
$48.3M
Q1 24
$45.9M
Total Debt
BWXT
BWXT
WPRT
WPRT
Q4 25
Q3 25
$0
Q2 25
$977.0K
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
BWXT
BWXT
WPRT
WPRT
Q4 25
$1.2B
Q3 25
$1.2B
$80.2M
Q2 25
$1.2B
$108.9M
Q1 25
$1.1B
Q4 24
$1.1B
Q3 24
$1.1B
$149.3M
Q2 24
$998.5M
$151.5M
Q1 24
$946.2M
Total Assets
BWXT
BWXT
WPRT
WPRT
Q4 25
$4.3B
Q3 25
$3.8B
$104.1M
Q2 25
$3.7B
$272.1M
Q1 25
$3.1B
Q4 24
$2.9B
Q3 24
$2.9B
Q2 24
$2.8B
Q1 24
$2.8B
Debt / Equity
BWXT
BWXT
WPRT
WPRT
Q4 25
Q3 25
0.00×
Q2 25
0.01×
Q1 25
Q4 24
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
BWXT
BWXT
WPRT
WPRT
Operating Cash FlowLast quarter
$127.0M
$-4.5M
Free Cash FlowOCF − Capex
$56.8M
$-5.0M
FCF MarginFCF / Revenue
6.4%
-308.0%
Capex IntensityCapex / Revenue
7.9%
31.8%
Cash ConversionOCF / Net Profit
1.37×
TTM Free Cash FlowTrailing 4 quarters
$295.3M
$-23.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BWXT
BWXT
WPRT
WPRT
Q4 25
$127.0M
Q3 25
$143.2M
$-4.5M
Q2 25
$159.0M
$-5.6M
Q1 25
$50.6M
Q4 24
$276.9M
Q3 24
$32.6M
$-11.7M
Q2 24
$65.9M
$1.5M
Q1 24
$33.0M
Free Cash Flow
BWXT
BWXT
WPRT
WPRT
Q4 25
$56.8M
Q3 25
$94.9M
$-5.0M
Q2 25
$126.3M
$-6.4M
Q1 25
$17.3M
Q4 24
$224.4M
Q3 24
$-7.7M
$-11.9M
Q2 24
$35.5M
$262.0K
Q1 24
$2.6M
FCF Margin
BWXT
BWXT
WPRT
WPRT
Q4 25
6.4%
Q3 25
11.0%
-308.0%
Q2 25
16.5%
-51.6%
Q1 25
2.5%
Q4 24
30.1%
Q3 24
-1.1%
-243.4%
Q2 24
5.2%
1.9%
Q1 24
0.4%
Capex Intensity
BWXT
BWXT
WPRT
WPRT
Q4 25
7.9%
Q3 25
5.6%
31.8%
Q2 25
4.3%
6.6%
Q1 25
4.9%
Q4 24
7.0%
Q3 24
6.0%
3.8%
Q2 24
4.5%
8.9%
Q1 24
5.0%
Cash Conversion
BWXT
BWXT
WPRT
WPRT
Q4 25
1.37×
Q3 25
1.74×
Q2 25
2.03×
Q1 25
0.67×
Q4 24
3.90×
Q3 24
0.47×
Q2 24
0.90×
0.26×
Q1 24
0.48×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BWXT
BWXT

Nuclear Component Program$436.4M49%
Nuclear Manufacturing$134.8M15%
Cost Plus Fee$116.1M13%
Uranium And Nuclear Services$103.8M12%
Commercial Operations$49.0M6%
Commercial Operations Segment$33.7M4%
Transferred At Point In Time$1.3M0%

WPRT
WPRT

Segment breakdown not available.

Related Comparisons