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Side-by-side financial comparison of EnerSys (ENS) and OSI SYSTEMS INC (OSIS). Click either name above to swap in a different company.

EnerSys is the larger business by last-quarter revenue ($919.1M vs $464.1M, roughly 2.0× OSI SYSTEMS INC). EnerSys runs the higher net margin — 9.8% vs 8.3%, a 1.5% gap on every dollar of revenue. On growth, OSI SYSTEMS INC posted the faster year-over-year revenue change (10.5% vs 1.4%). EnerSys produced more free cash flow last quarter ($171.3M vs $55.5M). Over the past eight quarters, OSI SYSTEMS INC's revenue compounded faster (7.0% CAGR vs 0.5%).

EnerSys is a stored energy systems and technology provider for industrial applications. The company manufactures reserve-power and motive-power batteries, battery chargers, power equipment, battery accessories and outdoor equipment enclosures.

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.

ENS vs OSIS — Head-to-Head

Bigger by revenue
ENS
ENS
2.0× larger
ENS
$919.1M
$464.1M
OSIS
Growing faster (revenue YoY)
OSIS
OSIS
+9.1% gap
OSIS
10.5%
1.4%
ENS
Higher net margin
ENS
ENS
1.5% more per $
ENS
9.8%
8.3%
OSIS
More free cash flow
ENS
ENS
$115.8M more FCF
ENS
$171.3M
$55.5M
OSIS
Faster 2-yr revenue CAGR
OSIS
OSIS
Annualised
OSIS
7.0%
0.5%
ENS

Income Statement — Q3 FY2026 vs Q2 FY2026

Metric
ENS
ENS
OSIS
OSIS
Revenue
$919.1M
$464.1M
Net Profit
$90.4M
$38.7M
Gross Margin
30.1%
32.7%
Operating Margin
13.5%
12.7%
Net Margin
9.8%
8.3%
Revenue YoY
1.4%
10.5%
Net Profit YoY
-21.3%
2.3%
EPS (diluted)
$2.40
$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
ENS
ENS
OSIS
OSIS
Q4 25
$919.1M
$464.1M
Q3 25
$951.3M
$384.6M
Q2 25
$893.0M
$505.0M
Q1 25
$974.8M
$444.4M
Q4 24
$906.2M
$419.8M
Q3 24
$883.7M
$344.0M
Q2 24
$852.9M
$480.9M
Q1 24
$910.7M
$405.4M
Net Profit
ENS
ENS
OSIS
OSIS
Q4 25
$90.4M
$38.7M
Q3 25
$68.4M
$20.6M
Q2 25
$57.5M
$52.7M
Q1 25
$96.5M
$41.1M
Q4 24
$114.8M
$37.8M
Q3 24
$82.3M
$17.9M
Q2 24
$70.1M
$44.7M
Q1 24
$60.9M
$34.0M
Gross Margin
ENS
ENS
OSIS
OSIS
Q4 25
30.1%
32.7%
Q3 25
29.1%
32.0%
Q2 25
28.4%
33.3%
Q1 25
31.2%
33.8%
Q4 24
32.9%
35.1%
Q3 24
28.5%
35.3%
Q2 24
27.9%
32.1%
Q1 24
27.9%
33.6%
Operating Margin
ENS
ENS
OSIS
OSIS
Q4 25
13.5%
12.7%
Q3 25
9.7%
8.6%
Q2 25
9.7%
14.5%
Q1 25
13.5%
12.7%
Q4 24
15.7%
13.8%
Q3 24
11.2%
8.8%
Q2 24
10.7%
13.1%
Q1 24
8.9%
12.7%
Net Margin
ENS
ENS
OSIS
OSIS
Q4 25
9.8%
8.3%
Q3 25
7.2%
5.3%
Q2 25
6.4%
10.4%
Q1 25
9.9%
9.3%
Q4 24
12.7%
9.0%
Q3 24
9.3%
5.2%
Q2 24
8.2%
9.3%
Q1 24
6.7%
8.4%
EPS (diluted)
ENS
ENS
OSIS
OSIS
Q4 25
$2.40
$2.22
Q3 25
$1.80
$1.18
Q2 25
$1.46
$3.04
Q1 25
$2.39
$2.40
Q4 24
$2.88
$2.22
Q3 24
$2.01
$1.05
Q2 24
$1.71
$2.57
Q1 24
$1.48
$1.95

Balance Sheet & Financial Strength

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

Metric
ENS
ENS
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$450.1M
$336.7M
Total DebtLower is stronger
$1.0B
Stockholders' EquityBook value
$1.9B
$845.5M
Total Assets
$4.0B
$2.5B
Debt / EquityLower = less leverage
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ENS
ENS
OSIS
OSIS
Q4 25
$450.1M
$336.7M
Q3 25
$388.6M
$124.4M
Q2 25
$346.7M
$106.4M
Q1 25
$343.1M
$95.8M
Q4 24
$463.2M
$101.6M
Q3 24
$407.9M
$85.1M
Q2 24
$344.1M
$95.4M
Q1 24
$333.3M
$101.4M
Total Debt
ENS
ENS
OSIS
OSIS
Q4 25
$1.0B
Q3 25
$442.2M
Q2 25
$471.6M
Q1 25
$1.1B
$473.2M
Q4 24
$474.8M
Q3 24
$476.3M
Q2 24
$137.6M
Q1 24
$802.0M
Stockholders' Equity
ENS
ENS
OSIS
OSIS
Q4 25
$1.9B
$845.5M
Q3 25
$1.9B
$946.0M
Q2 25
$1.9B
$951.1M
Q1 25
$1.9B
$879.3M
Q4 24
$1.8B
$825.8M
Q3 24
$1.8B
$786.5M
Q2 24
$1.8B
$863.5M
Q1 24
$1.8B
$813.4M
Total Assets
ENS
ENS
OSIS
OSIS
Q4 25
$4.0B
$2.5B
Q3 25
$4.1B
$2.3B
Q2 25
$4.1B
$2.2B
Q1 25
$4.0B
$2.1B
Q4 24
$4.0B
$2.1B
Q3 24
$4.0B
$2.1B
Q2 24
$3.6B
$1.9B
Q1 24
$3.5B
$1.8B
Debt / Equity
ENS
ENS
OSIS
OSIS
Q4 25
1.19×
Q3 25
0.47×
Q2 25
0.50×
Q1 25
0.57×
0.54×
Q4 24
0.57×
Q3 24
0.61×
Q2 24
0.16×
Q1 24
0.46×

Cash Flow & Capital Efficiency

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

Metric
ENS
ENS
OSIS
OSIS
Operating Cash FlowLast quarter
$184.6M
$62.2M
Free Cash FlowOCF − Capex
$171.3M
$55.5M
FCF MarginFCF / Revenue
18.6%
12.0%
Capex IntensityCapex / Revenue
1.4%
1.4%
Cash ConversionOCF / Net Profit
2.04×
1.61×
TTM Free Cash FlowTrailing 4 quarters
$441.3M
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ENS
ENS
OSIS
OSIS
Q4 25
$184.6M
$62.2M
Q3 25
$218.0M
$17.1M
Q2 25
$968.0K
$562.0K
Q1 25
$135.2M
$81.6M
Q4 24
$81.1M
$52.5M
Q3 24
$33.6M
$-37.2M
Q2 24
$10.4M
$-29.0M
Q1 24
$-52.1M
Free Cash Flow
ENS
ENS
OSIS
OSIS
Q4 25
$171.3M
$55.5M
Q3 25
$197.1M
$10.1M
Q2 25
$-32.1M
$-5.6M
Q1 25
$104.9M
$77.1M
Q4 24
$56.8M
$47.1M
Q3 24
$3.3M
$-44.9M
Q2 24
$-25.7M
$-37.5M
Q1 24
$-57.0M
FCF Margin
ENS
ENS
OSIS
OSIS
Q4 25
18.6%
12.0%
Q3 25
20.7%
2.6%
Q2 25
-3.6%
-1.1%
Q1 25
10.8%
17.4%
Q4 24
6.3%
11.2%
Q3 24
0.4%
-13.0%
Q2 24
-3.0%
-7.8%
Q1 24
-14.1%
Capex Intensity
ENS
ENS
OSIS
OSIS
Q4 25
1.4%
1.4%
Q3 25
2.2%
1.8%
Q2 25
3.7%
1.2%
Q1 25
3.1%
1.0%
Q4 24
2.7%
1.3%
Q3 24
3.4%
2.2%
Q2 24
4.2%
1.8%
Q1 24
1.2%
Cash Conversion
ENS
ENS
OSIS
OSIS
Q4 25
2.04×
1.61×
Q3 25
3.19×
0.83×
Q2 25
0.02×
0.01×
Q1 25
1.40×
1.98×
Q4 24
0.71×
1.39×
Q3 24
0.41×
-2.07×
Q2 24
0.15×
-0.65×
Q1 24
-1.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ENS
ENS

Energy Systems$399.5M43%
Motive Power$352.0M38%
Services$92.6M10%
Transferred Over Time$38.2M4%
Other$36.8M4%

OSIS
OSIS

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

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