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

West Pharmaceutical Services is the larger business by last-quarter revenue ($805.0M vs $464.1M, roughly 1.7× OSI SYSTEMS INC). West Pharmaceutical Services runs the higher net margin — 16.4% vs 8.3%, a 8.1% gap on every dollar of revenue. On growth, OSI SYSTEMS INC posted the faster year-over-year revenue change (10.5% vs 7.5%). West Pharmaceutical Services produced more free cash flow last quarter ($175.0M vs $55.5M). Over the past eight quarters, West Pharmaceutical Services's revenue compounded faster (7.6% CAGR vs 7.0%).

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.

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.

OSIS vs WST — Head-to-Head

Bigger by revenue
WST
WST
1.7× larger
WST
$805.0M
$464.1M
OSIS
Growing faster (revenue YoY)
OSIS
OSIS
+3.0% gap
OSIS
10.5%
7.5%
WST
Higher net margin
WST
WST
8.1% more per $
WST
16.4%
8.3%
OSIS
More free cash flow
WST
WST
$119.5M more FCF
WST
$175.0M
$55.5M
OSIS
Faster 2-yr revenue CAGR
WST
WST
Annualised
WST
7.6%
7.0%
OSIS

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
OSIS
OSIS
WST
WST
Revenue
$464.1M
$805.0M
Net Profit
$38.7M
$132.1M
Gross Margin
32.7%
37.8%
Operating Margin
12.7%
19.5%
Net Margin
8.3%
16.4%
Revenue YoY
10.5%
7.5%
Net Profit YoY
2.3%
1.5%
EPS (diluted)
$2.22
$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
OSIS
OSIS
WST
WST
Q4 25
$464.1M
$805.0M
Q3 25
$384.6M
$804.6M
Q2 25
$505.0M
$766.5M
Q1 25
$444.4M
$698.0M
Q4 24
$419.8M
$748.8M
Q3 24
$344.0M
$746.9M
Q2 24
$480.9M
$702.1M
Q1 24
$405.4M
$695.4M
Net Profit
OSIS
OSIS
WST
WST
Q4 25
$38.7M
$132.1M
Q3 25
$20.6M
$140.0M
Q2 25
$52.7M
$131.8M
Q1 25
$41.1M
$89.8M
Q4 24
$37.8M
$130.1M
Q3 24
$17.9M
$136.0M
Q2 24
$44.7M
$111.3M
Q1 24
$34.0M
$115.3M
Gross Margin
OSIS
OSIS
WST
WST
Q4 25
32.7%
37.8%
Q3 25
32.0%
36.6%
Q2 25
33.3%
35.7%
Q1 25
33.8%
33.2%
Q4 24
35.1%
36.5%
Q3 24
35.3%
35.4%
Q2 24
32.1%
32.8%
Q1 24
33.6%
33.1%
Operating Margin
OSIS
OSIS
WST
WST
Q4 25
12.7%
19.5%
Q3 25
8.6%
20.8%
Q2 25
14.5%
20.1%
Q1 25
12.7%
15.3%
Q4 24
13.8%
21.3%
Q3 24
8.8%
21.6%
Q2 24
13.1%
18.0%
Q1 24
12.7%
17.7%
Net Margin
OSIS
OSIS
WST
WST
Q4 25
8.3%
16.4%
Q3 25
5.3%
17.4%
Q2 25
10.4%
17.2%
Q1 25
9.3%
12.9%
Q4 24
9.0%
17.4%
Q3 24
5.2%
18.2%
Q2 24
9.3%
15.9%
Q1 24
8.4%
16.6%
EPS (diluted)
OSIS
OSIS
WST
WST
Q4 25
$2.22
$1.82
Q3 25
$1.18
$1.92
Q2 25
$3.04
$1.82
Q1 25
$2.40
$1.23
Q4 24
$2.22
$1.78
Q3 24
$1.05
$1.85
Q2 24
$2.57
$1.51
Q1 24
$1.95
$1.55

Balance Sheet & Financial Strength

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

Metric
OSIS
OSIS
WST
WST
Cash + ST InvestmentsLiquidity on hand
$336.7M
$791.3M
Total DebtLower is stronger
$1.0B
$202.8M
Stockholders' EquityBook value
$845.5M
$3.2B
Total Assets
$2.5B
$4.3B
Debt / EquityLower = less leverage
1.19×
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OSIS
OSIS
WST
WST
Q4 25
$336.7M
$791.3M
Q3 25
$124.4M
$628.5M
Q2 25
$106.4M
$509.7M
Q1 25
$95.8M
$404.2M
Q4 24
$101.6M
$484.6M
Q3 24
$85.1M
$490.9M
Q2 24
$95.4M
$446.2M
Q1 24
$101.4M
$601.8M
Total Debt
OSIS
OSIS
WST
WST
Q4 25
$1.0B
$202.8M
Q3 25
$442.2M
$202.7M
Q2 25
$471.6M
$202.6M
Q1 25
$473.2M
$202.6M
Q4 24
$474.8M
$202.6M
Q3 24
$476.3M
$202.6M
Q2 24
$137.6M
$205.8M
Q1 24
$206.2M
Stockholders' Equity
OSIS
OSIS
WST
WST
Q4 25
$845.5M
$3.2B
Q3 25
$946.0M
$3.1B
Q2 25
$951.1M
$2.9B
Q1 25
$879.3M
$2.7B
Q4 24
$825.8M
$2.7B
Q3 24
$786.5M
$2.8B
Q2 24
$863.5M
$2.6B
Q1 24
$813.4M
$2.7B
Total Assets
OSIS
OSIS
WST
WST
Q4 25
$2.5B
$4.3B
Q3 25
$2.3B
$4.1B
Q2 25
$2.2B
$4.0B
Q1 25
$2.1B
$3.6B
Q4 24
$2.1B
$3.6B
Q3 24
$2.1B
$3.7B
Q2 24
$1.9B
$3.5B
Q1 24
$1.8B
$3.6B
Debt / Equity
OSIS
OSIS
WST
WST
Q4 25
1.19×
0.06×
Q3 25
0.47×
0.07×
Q2 25
0.50×
0.07×
Q1 25
0.54×
0.08×
Q4 24
0.57×
0.08×
Q3 24
0.61×
0.07×
Q2 24
0.16×
0.08×
Q1 24
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
OSIS
OSIS
WST
WST
Operating Cash FlowLast quarter
$62.2M
$251.1M
Free Cash FlowOCF − Capex
$55.5M
$175.0M
FCF MarginFCF / Revenue
12.0%
21.7%
Capex IntensityCapex / Revenue
1.4%
9.5%
Cash ConversionOCF / Net Profit
1.61×
1.90×
TTM Free Cash FlowTrailing 4 quarters
$137.2M
$468.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OSIS
OSIS
WST
WST
Q4 25
$62.2M
$251.1M
Q3 25
$17.1M
$197.2M
Q2 25
$562.0K
$177.1M
Q1 25
$81.6M
$129.4M
Q4 24
$52.5M
$190.1M
Q3 24
$-37.2M
$180.1M
Q2 24
$-29.0M
$165.0M
Q1 24
$-52.1M
$118.2M
Free Cash Flow
OSIS
OSIS
WST
WST
Q4 25
$55.5M
$175.0M
Q3 25
$10.1M
$133.9M
Q2 25
$-5.6M
$101.9M
Q1 25
$77.1M
$58.1M
Q4 24
$47.1M
$85.2M
Q3 24
$-44.9M
$98.8M
Q2 24
$-37.5M
$64.8M
Q1 24
$-57.0M
$27.6M
FCF Margin
OSIS
OSIS
WST
WST
Q4 25
12.0%
21.7%
Q3 25
2.6%
16.6%
Q2 25
-1.1%
13.3%
Q1 25
17.4%
8.3%
Q4 24
11.2%
11.4%
Q3 24
-13.0%
13.2%
Q2 24
-7.8%
9.2%
Q1 24
-14.1%
4.0%
Capex Intensity
OSIS
OSIS
WST
WST
Q4 25
1.4%
9.5%
Q3 25
1.8%
7.9%
Q2 25
1.2%
9.8%
Q1 25
1.0%
10.2%
Q4 24
1.3%
14.0%
Q3 24
2.2%
10.9%
Q2 24
1.8%
14.3%
Q1 24
1.2%
13.0%
Cash Conversion
OSIS
OSIS
WST
WST
Q4 25
1.61×
1.90×
Q3 25
0.83×
1.41×
Q2 25
0.01×
1.34×
Q1 25
1.98×
1.44×
Q4 24
1.39×
1.46×
Q3 24
-2.07×
1.32×
Q2 24
-0.65×
1.48×
Q1 24
-1.53×
1.03×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OSIS
OSIS

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

WST
WST

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

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