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Side-by-side financial comparison of EnerSys (ENS) and West Pharmaceutical Services (WST). Click either name above to swap in a different company.

EnerSys is the larger business by last-quarter revenue ($919.1M vs $805.0M, roughly 1.1× West Pharmaceutical Services). West Pharmaceutical Services runs the higher net margin — 16.4% vs 9.8%, a 6.6% gap on every dollar of revenue. On growth, West Pharmaceutical Services posted the faster year-over-year revenue change (7.5% vs 1.4%). West Pharmaceutical Services produced more free cash flow last quarter ($175.0M vs $171.3M). Over the past eight quarters, West Pharmaceutical Services's revenue compounded faster (7.6% 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.

West Pharmaceutical Services, Inc. is a designer and manufacturer of injectable pharmaceutical packaging and delivery systems. Founded in 1923 by Herman O. West and J.R. Wike of Philadelphia, the company is headquartered in Exton, Pennsylvania. In its early years of development, West produced rubber components for packaging injectable drugs, providing a sterile environment for the producers of penicillin and insulin.

ENS vs WST — Head-to-Head

Bigger by revenue
ENS
ENS
1.1× larger
ENS
$919.1M
$805.0M
WST
Growing faster (revenue YoY)
WST
WST
+6.1% gap
WST
7.5%
1.4%
ENS
Higher net margin
WST
WST
6.6% more per $
WST
16.4%
9.8%
ENS
More free cash flow
WST
WST
$3.7M more FCF
WST
$175.0M
$171.3M
ENS
Faster 2-yr revenue CAGR
WST
WST
Annualised
WST
7.6%
0.5%
ENS

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
ENS
ENS
WST
WST
Revenue
$919.1M
$805.0M
Net Profit
$90.4M
$132.1M
Gross Margin
30.1%
37.8%
Operating Margin
13.5%
19.5%
Net Margin
9.8%
16.4%
Revenue YoY
1.4%
7.5%
Net Profit YoY
-21.3%
1.5%
EPS (diluted)
$2.40
$1.82

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
WST
WST
Q4 25
$919.1M
$805.0M
Q3 25
$951.3M
$804.6M
Q2 25
$893.0M
$766.5M
Q1 25
$974.8M
$698.0M
Q4 24
$906.2M
$748.8M
Q3 24
$883.7M
$746.9M
Q2 24
$852.9M
$702.1M
Q1 24
$910.7M
$695.4M
Net Profit
ENS
ENS
WST
WST
Q4 25
$90.4M
$132.1M
Q3 25
$68.4M
$140.0M
Q2 25
$57.5M
$131.8M
Q1 25
$96.5M
$89.8M
Q4 24
$114.8M
$130.1M
Q3 24
$82.3M
$136.0M
Q2 24
$70.1M
$111.3M
Q1 24
$60.9M
$115.3M
Gross Margin
ENS
ENS
WST
WST
Q4 25
30.1%
37.8%
Q3 25
29.1%
36.6%
Q2 25
28.4%
35.7%
Q1 25
31.2%
33.2%
Q4 24
32.9%
36.5%
Q3 24
28.5%
35.4%
Q2 24
27.9%
32.8%
Q1 24
27.9%
33.1%
Operating Margin
ENS
ENS
WST
WST
Q4 25
13.5%
19.5%
Q3 25
9.7%
20.8%
Q2 25
9.7%
20.1%
Q1 25
13.5%
15.3%
Q4 24
15.7%
21.3%
Q3 24
11.2%
21.6%
Q2 24
10.7%
18.0%
Q1 24
8.9%
17.7%
Net Margin
ENS
ENS
WST
WST
Q4 25
9.8%
16.4%
Q3 25
7.2%
17.4%
Q2 25
6.4%
17.2%
Q1 25
9.9%
12.9%
Q4 24
12.7%
17.4%
Q3 24
9.3%
18.2%
Q2 24
8.2%
15.9%
Q1 24
6.7%
16.6%
EPS (diluted)
ENS
ENS
WST
WST
Q4 25
$2.40
$1.82
Q3 25
$1.80
$1.92
Q2 25
$1.46
$1.82
Q1 25
$2.39
$1.23
Q4 24
$2.88
$1.78
Q3 24
$2.01
$1.85
Q2 24
$1.71
$1.51
Q1 24
$1.48
$1.55

Balance Sheet & Financial Strength

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

Metric
ENS
ENS
WST
WST
Cash + ST InvestmentsLiquidity on hand
$450.1M
$791.3M
Total DebtLower is stronger
$202.8M
Stockholders' EquityBook value
$1.9B
$3.2B
Total Assets
$4.0B
$4.3B
Debt / EquityLower = less leverage
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ENS
ENS
WST
WST
Q4 25
$450.1M
$791.3M
Q3 25
$388.6M
$628.5M
Q2 25
$346.7M
$509.7M
Q1 25
$343.1M
$404.2M
Q4 24
$463.2M
$484.6M
Q3 24
$407.9M
$490.9M
Q2 24
$344.1M
$446.2M
Q1 24
$333.3M
$601.8M
Total Debt
ENS
ENS
WST
WST
Q4 25
$202.8M
Q3 25
$202.7M
Q2 25
$202.6M
Q1 25
$1.1B
$202.6M
Q4 24
$202.6M
Q3 24
$202.6M
Q2 24
$205.8M
Q1 24
$802.0M
$206.2M
Stockholders' Equity
ENS
ENS
WST
WST
Q4 25
$1.9B
$3.2B
Q3 25
$1.9B
$3.1B
Q2 25
$1.9B
$2.9B
Q1 25
$1.9B
$2.7B
Q4 24
$1.8B
$2.7B
Q3 24
$1.8B
$2.8B
Q2 24
$1.8B
$2.6B
Q1 24
$1.8B
$2.7B
Total Assets
ENS
ENS
WST
WST
Q4 25
$4.0B
$4.3B
Q3 25
$4.1B
$4.1B
Q2 25
$4.1B
$4.0B
Q1 25
$4.0B
$3.6B
Q4 24
$4.0B
$3.6B
Q3 24
$4.0B
$3.7B
Q2 24
$3.6B
$3.5B
Q1 24
$3.5B
$3.6B
Debt / Equity
ENS
ENS
WST
WST
Q4 25
0.06×
Q3 25
0.07×
Q2 25
0.07×
Q1 25
0.57×
0.08×
Q4 24
0.08×
Q3 24
0.07×
Q2 24
0.08×
Q1 24
0.46×
0.08×

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
WST
WST
Operating Cash FlowLast quarter
$184.6M
$251.1M
Free Cash FlowOCF − Capex
$171.3M
$175.0M
FCF MarginFCF / Revenue
18.6%
21.7%
Capex IntensityCapex / Revenue
1.4%
9.5%
Cash ConversionOCF / Net Profit
2.04×
1.90×
TTM Free Cash FlowTrailing 4 quarters
$441.3M
$468.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ENS
ENS
WST
WST
Q4 25
$184.6M
$251.1M
Q3 25
$218.0M
$197.2M
Q2 25
$968.0K
$177.1M
Q1 25
$135.2M
$129.4M
Q4 24
$81.1M
$190.1M
Q3 24
$33.6M
$180.1M
Q2 24
$10.4M
$165.0M
Q1 24
$118.2M
Free Cash Flow
ENS
ENS
WST
WST
Q4 25
$171.3M
$175.0M
Q3 25
$197.1M
$133.9M
Q2 25
$-32.1M
$101.9M
Q1 25
$104.9M
$58.1M
Q4 24
$56.8M
$85.2M
Q3 24
$3.3M
$98.8M
Q2 24
$-25.7M
$64.8M
Q1 24
$27.6M
FCF Margin
ENS
ENS
WST
WST
Q4 25
18.6%
21.7%
Q3 25
20.7%
16.6%
Q2 25
-3.6%
13.3%
Q1 25
10.8%
8.3%
Q4 24
6.3%
11.4%
Q3 24
0.4%
13.2%
Q2 24
-3.0%
9.2%
Q1 24
4.0%
Capex Intensity
ENS
ENS
WST
WST
Q4 25
1.4%
9.5%
Q3 25
2.2%
7.9%
Q2 25
3.7%
9.8%
Q1 25
3.1%
10.2%
Q4 24
2.7%
14.0%
Q3 24
3.4%
10.9%
Q2 24
4.2%
14.3%
Q1 24
13.0%
Cash Conversion
ENS
ENS
WST
WST
Q4 25
2.04×
1.90×
Q3 25
3.19×
1.41×
Q2 25
0.02×
1.34×
Q1 25
1.40×
1.44×
Q4 24
0.71×
1.46×
Q3 24
0.41×
1.32×
Q2 24
0.15×
1.48×
Q1 24
1.03×

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%

WST
WST

Proprietary Products$661.8M82%
Contract Manufactured Products$143.2M18%
Affiliated Entity$3.3M0%

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