vs

Side-by-side financial comparison of VIAVI SOLUTIONS INC. (VIAV) 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 $406.8M, roughly 2.0× VIAVI SOLUTIONS INC.). West Pharmaceutical Services runs the higher net margin — 16.4% vs 1.6%, a 14.8% gap on every dollar of revenue. On growth, VIAVI SOLUTIONS INC. posted the faster year-over-year revenue change (42.8% vs 7.5%). Over the past eight quarters, VIAVI SOLUTIONS INC.'s revenue compounded faster (27.1% CAGR vs 7.6%).

Viavi Solutions Inc., formerly part of JDS Uniphase Corporation (JDSU), is an American network test, measurement and assurance technology company based in Chandler, Arizona. The company manufactures testing and monitoring equipment for networks. It also develops optical technology used for a range of applications including material quality control, currency anti-counterfeiting and 3D motion sensing, including Microsoft's Kinect video game controller.

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.

VIAV vs WST — Head-to-Head

Bigger by revenue
WST
WST
2.0× larger
WST
$805.0M
$406.8M
VIAV
Growing faster (revenue YoY)
VIAV
VIAV
+35.3% gap
VIAV
42.8%
7.5%
WST
Higher net margin
WST
WST
14.8% more per $
WST
16.4%
1.6%
VIAV
Faster 2-yr revenue CAGR
VIAV
VIAV
Annualised
VIAV
27.1%
7.6%
WST

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
VIAV
VIAV
WST
WST
Revenue
$406.8M
$805.0M
Net Profit
$6.4M
$132.1M
Gross Margin
57.5%
37.8%
Operating Margin
6.1%
19.5%
Net Margin
1.6%
16.4%
Revenue YoY
42.8%
7.5%
Net Profit YoY
-76.1%
1.5%
EPS (diluted)
$0.03
$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
VIAV
VIAV
WST
WST
Q1 26
$406.8M
Q4 25
$369.3M
$805.0M
Q3 25
$299.1M
$804.6M
Q2 25
$290.5M
$766.5M
Q1 25
$284.8M
$698.0M
Q4 24
$270.8M
$748.8M
Q3 24
$238.2M
$746.9M
Q2 24
$252.0M
$702.1M
Net Profit
VIAV
VIAV
WST
WST
Q1 26
$6.4M
Q4 25
$-48.1M
$132.1M
Q3 25
$-21.4M
$140.0M
Q2 25
$8.0M
$131.8M
Q1 25
$19.5M
$89.8M
Q4 24
$9.1M
$130.1M
Q3 24
$-1.8M
$136.0M
Q2 24
$-21.7M
$111.3M
Gross Margin
VIAV
VIAV
WST
WST
Q1 26
57.5%
Q4 25
57.0%
37.8%
Q3 25
56.5%
36.6%
Q2 25
56.3%
35.7%
Q1 25
56.4%
33.2%
Q4 24
59.4%
36.5%
Q3 24
57.1%
35.4%
Q2 24
57.8%
32.8%
Operating Margin
VIAV
VIAV
WST
WST
Q1 26
6.1%
Q4 25
3.1%
19.5%
Q3 25
2.5%
20.8%
Q2 25
5.3%
20.1%
Q1 25
3.0%
15.3%
Q4 24
8.2%
21.3%
Q3 24
4.8%
21.6%
Q2 24
-2.3%
18.0%
Net Margin
VIAV
VIAV
WST
WST
Q1 26
1.6%
Q4 25
-13.0%
16.4%
Q3 25
-7.2%
17.4%
Q2 25
2.8%
17.2%
Q1 25
6.8%
12.9%
Q4 24
3.4%
17.4%
Q3 24
-0.8%
18.2%
Q2 24
-8.6%
15.9%
EPS (diluted)
VIAV
VIAV
WST
WST
Q1 26
$0.03
Q4 25
$-0.21
$1.82
Q3 25
$-0.10
$1.92
Q2 25
$0.03
$1.82
Q1 25
$0.09
$1.23
Q4 24
$0.04
$1.78
Q3 24
$-0.01
$1.85
Q2 24
$-0.10
$1.51

Balance Sheet & Financial Strength

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

Metric
VIAV
VIAV
WST
WST
Cash + ST InvestmentsLiquidity on hand
$500.8M
$791.3M
Total DebtLower is stronger
$1.1B
$202.8M
Stockholders' EquityBook value
$846.5M
$3.2B
Total Assets
$2.5B
$4.3B
Debt / EquityLower = less leverage
1.28×
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
VIAV
VIAV
WST
WST
Q1 26
$500.8M
Q4 25
$767.4M
$791.3M
Q3 25
$545.6M
$628.5M
Q2 25
$425.3M
$509.7M
Q1 25
$396.8M
$404.2M
Q4 24
$509.4M
$484.6M
Q3 24
$493.1M
$490.9M
Q2 24
$491.2M
$446.2M
Total Debt
VIAV
VIAV
WST
WST
Q1 26
$1.1B
Q4 25
$1.2B
$202.8M
Q3 25
$640.5M
$202.7M
Q2 25
$396.3M
$202.6M
Q1 25
$396.1M
$202.6M
Q4 24
$639.3M
$202.6M
Q3 24
$637.6M
$202.6M
Q2 24
$636.0M
$205.8M
Stockholders' Equity
VIAV
VIAV
WST
WST
Q1 26
$846.5M
Q4 25
$834.3M
$3.2B
Q3 25
$723.9M
$3.1B
Q2 25
$780.2M
$2.9B
Q1 25
$728.8M
$2.7B
Q4 24
$682.8M
$2.7B
Q3 24
$702.1M
$2.8B
Q2 24
$681.6M
$2.6B
Total Assets
VIAV
VIAV
WST
WST
Q1 26
$2.5B
Q4 25
$2.8B
$4.3B
Q3 25
$2.1B
$4.1B
Q2 25
$2.0B
$4.0B
Q1 25
$1.9B
$3.6B
Q4 24
$1.7B
$3.6B
Q3 24
$1.7B
$3.7B
Q2 24
$1.7B
$3.5B
Debt / Equity
VIAV
VIAV
WST
WST
Q1 26
1.28×
Q4 25
1.46×
0.06×
Q3 25
0.88×
0.07×
Q2 25
0.51×
0.07×
Q1 25
0.54×
0.08×
Q4 24
0.94×
0.08×
Q3 24
0.91×
0.07×
Q2 24
0.93×
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
VIAV
VIAV
WST
WST
Operating Cash FlowLast quarter
$251.1M
Free Cash FlowOCF − Capex
$175.0M
FCF MarginFCF / Revenue
21.7%
Capex IntensityCapex / Revenue
9.5%
Cash ConversionOCF / Net Profit
1.90×
TTM Free Cash FlowTrailing 4 quarters
$468.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
VIAV
VIAV
WST
WST
Q1 26
Q4 25
$42.5M
$251.1M
Q3 25
$31.0M
$197.2M
Q2 25
$23.8M
$177.1M
Q1 25
$7.8M
$129.4M
Q4 24
$44.7M
$190.1M
Q3 24
$13.5M
$180.1M
Q2 24
$26.2M
$165.0M
Free Cash Flow
VIAV
VIAV
WST
WST
Q1 26
Q4 25
$36.9M
$175.0M
Q3 25
$22.5M
$133.9M
Q2 25
$18.3M
$101.9M
Q1 25
$1.0M
$58.1M
Q4 24
$36.5M
$85.2M
Q3 24
$6.2M
$98.8M
Q2 24
$22.4M
$64.8M
FCF Margin
VIAV
VIAV
WST
WST
Q1 26
Q4 25
10.0%
21.7%
Q3 25
7.5%
16.6%
Q2 25
6.3%
13.3%
Q1 25
0.4%
8.3%
Q4 24
13.5%
11.4%
Q3 24
2.6%
13.2%
Q2 24
8.9%
9.2%
Capex Intensity
VIAV
VIAV
WST
WST
Q1 26
Q4 25
1.5%
9.5%
Q3 25
2.8%
7.9%
Q2 25
1.9%
9.8%
Q1 25
2.4%
10.2%
Q4 24
3.0%
14.0%
Q3 24
3.1%
10.9%
Q2 24
1.5%
14.3%
Cash Conversion
VIAV
VIAV
WST
WST
Q1 26
Q4 25
1.90×
Q3 25
1.41×
Q2 25
2.98×
1.34×
Q1 25
0.40×
1.44×
Q4 24
4.91×
1.46×
Q3 24
1.32×
Q2 24
1.48×

Financial Flow Comparison

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

Revenue Breakdown by Segment

VIAV
VIAV

Segment breakdown not available.

WST
WST

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

Related Comparisons