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

BWX Technologies, Inc. is the larger business by last-quarter revenue ($885.8M vs $464.1M, roughly 1.9× OSI SYSTEMS INC). BWX Technologies, Inc. runs the higher net margin — 10.5% vs 8.3%, a 2.2% gap on every dollar of revenue. On growth, BWX Technologies, Inc. posted the faster year-over-year revenue change (18.7% vs 10.5%). BWX Technologies, Inc. produced more free cash flow last quarter ($56.8M vs $55.5M). Over the past eight quarters, BWX Technologies, Inc.'s revenue compounded faster (21.1% CAGR vs 7.0%).

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

OSI Systems, Inc. is an American company based in California that develops and markets security and inspection systems such as airport security X-ray machines and metal detectors, medical monitoring and anesthesia systems, and optoelectronic devices. As of June 2010, the company employs approximately 3,180 personnel globally and includes subsidiary companies Spacelabs Healthcare, Rapiscan Systems and OSI Optoelectronics.

BWXT vs OSIS — Head-to-Head

Bigger by revenue
BWXT
BWXT
1.9× larger
BWXT
$885.8M
$464.1M
OSIS
Growing faster (revenue YoY)
BWXT
BWXT
+8.2% gap
BWXT
18.7%
10.5%
OSIS
Higher net margin
BWXT
BWXT
2.2% more per $
BWXT
10.5%
8.3%
OSIS
More free cash flow
BWXT
BWXT
$1.3M more FCF
BWXT
$56.8M
$55.5M
OSIS
Faster 2-yr revenue CAGR
BWXT
BWXT
Annualised
BWXT
21.1%
7.0%
OSIS

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
BWXT
BWXT
OSIS
OSIS
Revenue
$885.8M
$464.1M
Net Profit
$93.0M
$38.7M
Gross Margin
32.7%
Operating Margin
10.4%
12.7%
Net Margin
10.5%
8.3%
Revenue YoY
18.7%
10.5%
Net Profit YoY
30.9%
2.3%
EPS (diluted)
$1.02
$2.22

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
OSIS
OSIS
Q4 25
$885.8M
$464.1M
Q3 25
$866.3M
$384.6M
Q2 25
$764.0M
$505.0M
Q1 25
$682.3M
$444.4M
Q4 24
$746.3M
$419.8M
Q3 24
$672.0M
$344.0M
Q2 24
$681.5M
$480.9M
Q1 24
$604.0M
$405.4M
Net Profit
BWXT
BWXT
OSIS
OSIS
Q4 25
$93.0M
$38.7M
Q3 25
$82.1M
$20.6M
Q2 25
$78.4M
$52.7M
Q1 25
$75.5M
$41.1M
Q4 24
$71.0M
$37.8M
Q3 24
$69.5M
$17.9M
Q2 24
$73.0M
$44.7M
Q1 24
$68.5M
$34.0M
Gross Margin
BWXT
BWXT
OSIS
OSIS
Q4 25
32.7%
Q3 25
21.8%
32.0%
Q2 25
25.1%
33.3%
Q1 25
24.2%
33.8%
Q4 24
35.1%
Q3 24
24.4%
35.3%
Q2 24
24.7%
32.1%
Q1 24
24.6%
33.6%
Operating Margin
BWXT
BWXT
OSIS
OSIS
Q4 25
10.4%
12.7%
Q3 25
13.1%
8.6%
Q2 25
13.4%
14.5%
Q1 25
14.2%
12.7%
Q4 24
12.4%
13.8%
Q3 24
14.4%
8.8%
Q2 24
14.5%
13.1%
Q1 24
15.4%
12.7%
Net Margin
BWXT
BWXT
OSIS
OSIS
Q4 25
10.5%
8.3%
Q3 25
9.5%
5.3%
Q2 25
10.3%
10.4%
Q1 25
11.1%
9.3%
Q4 24
9.5%
9.0%
Q3 24
10.3%
5.2%
Q2 24
10.7%
9.3%
Q1 24
11.3%
8.4%
EPS (diluted)
BWXT
BWXT
OSIS
OSIS
Q4 25
$1.02
$2.22
Q3 25
$0.89
$1.18
Q2 25
$0.85
$3.04
Q1 25
$0.82
$2.40
Q4 24
$0.77
$2.22
Q3 24
$0.76
$1.05
Q2 24
$0.79
$2.57
Q1 24
$0.75
$1.95

Balance Sheet & Financial Strength

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

Metric
BWXT
BWXT
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$499.8M
$336.7M
Total DebtLower is stronger
$1.0B
Stockholders' EquityBook value
$1.2B
$845.5M
Total Assets
$4.3B
$2.5B
Debt / EquityLower = less leverage
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BWXT
BWXT
OSIS
OSIS
Q4 25
$499.8M
$336.7M
Q3 25
$79.6M
$124.4M
Q2 25
$37.0M
$106.4M
Q1 25
$55.4M
$95.8M
Q4 24
$74.1M
$101.6M
Q3 24
$35.5M
$85.1M
Q2 24
$48.3M
$95.4M
Q1 24
$45.9M
$101.4M
Total Debt
BWXT
BWXT
OSIS
OSIS
Q4 25
$1.0B
Q3 25
$442.2M
Q2 25
$471.6M
Q1 25
$473.2M
Q4 24
$474.8M
Q3 24
$476.3M
Q2 24
$137.6M
Q1 24
Stockholders' Equity
BWXT
BWXT
OSIS
OSIS
Q4 25
$1.2B
$845.5M
Q3 25
$1.2B
$946.0M
Q2 25
$1.2B
$951.1M
Q1 25
$1.1B
$879.3M
Q4 24
$1.1B
$825.8M
Q3 24
$1.1B
$786.5M
Q2 24
$998.5M
$863.5M
Q1 24
$946.2M
$813.4M
Total Assets
BWXT
BWXT
OSIS
OSIS
Q4 25
$4.3B
$2.5B
Q3 25
$3.8B
$2.3B
Q2 25
$3.7B
$2.2B
Q1 25
$3.1B
$2.1B
Q4 24
$2.9B
$2.1B
Q3 24
$2.9B
$2.1B
Q2 24
$2.8B
$1.9B
Q1 24
$2.8B
$1.8B
Debt / Equity
BWXT
BWXT
OSIS
OSIS
Q4 25
1.19×
Q3 25
0.47×
Q2 25
0.50×
Q1 25
0.54×
Q4 24
0.57×
Q3 24
0.61×
Q2 24
0.16×
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
OSIS
OSIS
Operating Cash FlowLast quarter
$127.0M
$62.2M
Free Cash FlowOCF − Capex
$56.8M
$55.5M
FCF MarginFCF / Revenue
6.4%
12.0%
Capex IntensityCapex / Revenue
7.9%
1.4%
Cash ConversionOCF / Net Profit
1.37×
1.61×
TTM Free Cash FlowTrailing 4 quarters
$295.3M
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BWXT
BWXT
OSIS
OSIS
Q4 25
$127.0M
$62.2M
Q3 25
$143.2M
$17.1M
Q2 25
$159.0M
$562.0K
Q1 25
$50.6M
$81.6M
Q4 24
$276.9M
$52.5M
Q3 24
$32.6M
$-37.2M
Q2 24
$65.9M
$-29.0M
Q1 24
$33.0M
$-52.1M
Free Cash Flow
BWXT
BWXT
OSIS
OSIS
Q4 25
$56.8M
$55.5M
Q3 25
$94.9M
$10.1M
Q2 25
$126.3M
$-5.6M
Q1 25
$17.3M
$77.1M
Q4 24
$224.4M
$47.1M
Q3 24
$-7.7M
$-44.9M
Q2 24
$35.5M
$-37.5M
Q1 24
$2.6M
$-57.0M
FCF Margin
BWXT
BWXT
OSIS
OSIS
Q4 25
6.4%
12.0%
Q3 25
11.0%
2.6%
Q2 25
16.5%
-1.1%
Q1 25
2.5%
17.4%
Q4 24
30.1%
11.2%
Q3 24
-1.1%
-13.0%
Q2 24
5.2%
-7.8%
Q1 24
0.4%
-14.1%
Capex Intensity
BWXT
BWXT
OSIS
OSIS
Q4 25
7.9%
1.4%
Q3 25
5.6%
1.8%
Q2 25
4.3%
1.2%
Q1 25
4.9%
1.0%
Q4 24
7.0%
1.3%
Q3 24
6.0%
2.2%
Q2 24
4.5%
1.8%
Q1 24
5.0%
1.2%
Cash Conversion
BWXT
BWXT
OSIS
OSIS
Q4 25
1.37×
1.61×
Q3 25
1.74×
0.83×
Q2 25
2.03×
0.01×
Q1 25
0.67×
1.98×
Q4 24
3.90×
1.39×
Q3 24
0.47×
-2.07×
Q2 24
0.90×
-0.65×
Q1 24
0.48×
-1.53×

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%

OSIS
OSIS

Security Division$334.7M72%
Optoelectronics And Manufacturing Division$92.8M20%
Healthcare Division$36.5M8%

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