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Side-by-side financial comparison of IPG PHOTONICS CORP (IPGP) and VIAVI SOLUTIONS INC. (VIAV). Click either name above to swap in a different company.

VIAVI SOLUTIONS INC. is the larger business by last-quarter revenue ($369.3M vs $274.5M, roughly 1.3× IPG PHOTONICS CORP). IPG PHOTONICS CORP runs the higher net margin — 4.8% vs -13.0%, a 17.9% gap on every dollar of revenue. On growth, VIAVI SOLUTIONS INC. posted the faster year-over-year revenue change (36.4% vs 17.1%). VIAVI SOLUTIONS INC. produced more free cash flow last quarter ($36.9M vs $10.9M). Over the past eight quarters, VIAVI SOLUTIONS INC.'s revenue compounded faster (22.5% CAGR vs 4.4%).

IPG Photonics Corporation is a manufacturer of fiber lasers. IPG Photonics developed and commercialized optical fiber lasers, which are used in a variety of applications including materials processing, medical applications and telecommunications. IPG has manufacturing facilities in the United States, Germany, Russia and Italy.

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.

IPGP vs VIAV — Head-to-Head

Bigger by revenue
VIAV
VIAV
1.3× larger
VIAV
$369.3M
$274.5M
IPGP
Growing faster (revenue YoY)
VIAV
VIAV
+19.2% gap
VIAV
36.4%
17.1%
IPGP
Higher net margin
IPGP
IPGP
17.9% more per $
IPGP
4.8%
-13.0%
VIAV
More free cash flow
VIAV
VIAV
$26.0M more FCF
VIAV
$36.9M
$10.9M
IPGP
Faster 2-yr revenue CAGR
VIAV
VIAV
Annualised
VIAV
22.5%
4.4%
IPGP

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
IPGP
IPGP
VIAV
VIAV
Revenue
$274.5M
$369.3M
Net Profit
$13.3M
$-48.1M
Gross Margin
36.1%
57.0%
Operating Margin
1.2%
3.1%
Net Margin
4.8%
-13.0%
Revenue YoY
17.1%
36.4%
Net Profit YoY
69.8%
-628.6%
EPS (diluted)
$0.30
$-0.21

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
IPGP
IPGP
VIAV
VIAV
Q4 25
$274.5M
$369.3M
Q3 25
$250.8M
$299.1M
Q2 25
$250.7M
$290.5M
Q1 25
$227.8M
$284.8M
Q4 24
$234.3M
$270.8M
Q3 24
$233.1M
$238.2M
Q2 24
$257.6M
$252.0M
Q1 24
$252.0M
$246.0M
Net Profit
IPGP
IPGP
VIAV
VIAV
Q4 25
$13.3M
$-48.1M
Q3 25
$7.5M
$-21.4M
Q2 25
$6.6M
$8.0M
Q1 25
$3.8M
$19.5M
Q4 24
$7.8M
$9.1M
Q3 24
$-233.6M
$-1.8M
Q2 24
$20.2M
$-21.7M
Q1 24
$24.1M
$-24.6M
Gross Margin
IPGP
IPGP
VIAV
VIAV
Q4 25
36.1%
57.0%
Q3 25
39.5%
56.5%
Q2 25
37.3%
56.3%
Q1 25
39.4%
56.4%
Q4 24
38.6%
59.4%
Q3 24
23.2%
57.1%
Q2 24
37.3%
57.8%
Q1 24
38.7%
56.1%
Operating Margin
IPGP
IPGP
VIAV
VIAV
Q4 25
1.2%
3.1%
Q3 25
3.1%
2.5%
Q2 25
0.0%
5.3%
Q1 25
0.8%
3.0%
Q4 24
6.0%
8.2%
Q3 24
-108.7%
4.8%
Q2 24
4.7%
-2.3%
Q1 24
7.6%
-4.8%
Net Margin
IPGP
IPGP
VIAV
VIAV
Q4 25
4.8%
-13.0%
Q3 25
3.0%
-7.2%
Q2 25
2.6%
2.8%
Q1 25
1.6%
6.8%
Q4 24
3.3%
3.4%
Q3 24
-100.2%
-0.8%
Q2 24
7.8%
-8.6%
Q1 24
9.6%
-10.0%
EPS (diluted)
IPGP
IPGP
VIAV
VIAV
Q4 25
$0.30
$-0.21
Q3 25
$0.18
$-0.10
Q2 25
$0.16
$0.03
Q1 25
$0.09
$0.09
Q4 24
$0.27
$0.04
Q3 24
$-5.33
$-0.01
Q2 24
$0.45
$-0.10
Q1 24
$0.52
$-0.11

Balance Sheet & Financial Strength

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

Metric
IPGP
IPGP
VIAV
VIAV
Cash + ST InvestmentsLiquidity on hand
$839.3M
$767.4M
Total DebtLower is stronger
$1.2B
Stockholders' EquityBook value
$2.1B
$834.3M
Total Assets
$2.4B
$2.8B
Debt / EquityLower = less leverage
1.46×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IPGP
IPGP
VIAV
VIAV
Q4 25
$839.3M
$767.4M
Q3 25
$870.4M
$545.6M
Q2 25
$899.6M
$425.3M
Q1 25
$926.9M
$396.8M
Q4 24
$930.2M
$509.4M
Q3 24
$1.0B
$493.1M
Q2 24
$1.1B
$491.2M
Q1 24
$1.1B
$482.6M
Total Debt
IPGP
IPGP
VIAV
VIAV
Q4 25
$1.2B
Q3 25
$640.5M
Q2 25
$396.3M
Q1 25
$396.1M
Q4 24
$639.3M
Q3 24
$637.6M
Q2 24
$636.0M
Q1 24
$634.4M
Stockholders' Equity
IPGP
IPGP
VIAV
VIAV
Q4 25
$2.1B
$834.3M
Q3 25
$2.1B
$723.9M
Q2 25
$2.1B
$780.2M
Q1 25
$2.1B
$728.8M
Q4 24
$2.0B
$682.8M
Q3 24
$2.1B
$702.1M
Q2 24
$2.3B
$681.6M
Q1 24
$2.3B
$705.1M
Total Assets
IPGP
IPGP
VIAV
VIAV
Q4 25
$2.4B
$2.8B
Q3 25
$2.4B
$2.1B
Q2 25
$2.4B
$2.0B
Q1 25
$2.3B
$1.9B
Q4 24
$2.3B
$1.7B
Q3 24
$2.4B
$1.7B
Q2 24
$2.5B
$1.7B
Q1 24
$2.6B
$1.7B
Debt / Equity
IPGP
IPGP
VIAV
VIAV
Q4 25
1.46×
Q3 25
0.88×
Q2 25
0.51×
Q1 25
0.54×
Q4 24
0.94×
Q3 24
0.91×
Q2 24
0.93×
Q1 24
0.90×

Cash Flow & Capital Efficiency

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

Metric
IPGP
IPGP
VIAV
VIAV
Operating Cash FlowLast quarter
$28.8M
$42.5M
Free Cash FlowOCF − Capex
$10.9M
$36.9M
FCF MarginFCF / Revenue
4.0%
10.0%
Capex IntensityCapex / Revenue
6.5%
1.5%
Cash ConversionOCF / Net Profit
2.17×
TTM Free Cash FlowTrailing 4 quarters
$-3.5M
$78.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IPGP
IPGP
VIAV
VIAV
Q4 25
$28.8M
$42.5M
Q3 25
$35.3M
$31.0M
Q2 25
$-2.2M
$23.8M
Q1 25
$13.4M
$7.8M
Q4 24
$73.8M
$44.7M
Q3 24
$66.1M
$13.5M
Q2 24
$53.5M
$26.2M
Q1 24
$54.6M
$19.5M
Free Cash Flow
IPGP
IPGP
VIAV
VIAV
Q4 25
$10.9M
$36.9M
Q3 25
$14.6M
$22.5M
Q2 25
$-17.6M
$18.3M
Q1 25
$-11.4M
$1.0M
Q4 24
$50.6M
$36.5M
Q3 24
$43.0M
$6.2M
Q2 24
$29.2M
$22.4M
Q1 24
$26.5M
$16.3M
FCF Margin
IPGP
IPGP
VIAV
VIAV
Q4 25
4.0%
10.0%
Q3 25
5.8%
7.5%
Q2 25
-7.0%
6.3%
Q1 25
-5.0%
0.4%
Q4 24
21.6%
13.5%
Q3 24
18.4%
2.6%
Q2 24
11.3%
8.9%
Q1 24
10.5%
6.6%
Capex Intensity
IPGP
IPGP
VIAV
VIAV
Q4 25
6.5%
1.5%
Q3 25
8.3%
2.8%
Q2 25
6.1%
1.9%
Q1 25
10.9%
2.4%
Q4 24
9.9%
3.0%
Q3 24
9.9%
3.1%
Q2 24
9.4%
1.5%
Q1 24
11.1%
1.3%
Cash Conversion
IPGP
IPGP
VIAV
VIAV
Q4 25
2.17×
Q3 25
4.73×
Q2 25
-0.34×
2.98×
Q1 25
3.58×
0.40×
Q4 24
9.44×
4.91×
Q3 24
Q2 24
2.65×
Q1 24
2.27×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IPGP
IPGP

Materials Processing$232.8M85%
Laser And Non Laser Systems$38.8M14%
Transferred Over Time$5.3M2%

VIAV
VIAV

Products$317.3M86%
Services$52.0M14%

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