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Side-by-side financial comparison of Apellis Pharmaceuticals, Inc. (APLS) 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 $199.9M, roughly 1.8× Apellis Pharmaceuticals, Inc.). VIAVI SOLUTIONS INC. runs the higher net margin — -13.0% vs -29.5%, a 16.5% gap on every dollar of revenue. On growth, VIAVI SOLUTIONS INC. posted the faster year-over-year revenue change (36.4% vs -5.9%). VIAVI SOLUTIONS INC. produced more free cash flow last quarter ($36.9M vs $-14.3M). Over the past eight quarters, VIAVI SOLUTIONS INC.'s revenue compounded faster (22.5% CAGR vs 7.7%).

Apellis Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing targeted therapies that modulate the complement system to address serious unmet medical needs. Its core products target ophthalmic conditions like geographic atrophy secondary to age-related macular degeneration, as well as rare hematological and autoimmune disorders, with primary operations in the United States and European markets.

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.

APLS vs VIAV — Head-to-Head

Bigger by revenue
VIAV
VIAV
1.8× larger
VIAV
$369.3M
$199.9M
APLS
Growing faster (revenue YoY)
VIAV
VIAV
+42.3% gap
VIAV
36.4%
-5.9%
APLS
Higher net margin
VIAV
VIAV
16.5% more per $
VIAV
-13.0%
-29.5%
APLS
More free cash flow
VIAV
VIAV
$51.2M more FCF
VIAV
$36.9M
$-14.3M
APLS
Faster 2-yr revenue CAGR
VIAV
VIAV
Annualised
VIAV
22.5%
7.7%
APLS

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
APLS
APLS
VIAV
VIAV
Revenue
$199.9M
$369.3M
Net Profit
$-59.0M
$-48.1M
Gross Margin
57.0%
Operating Margin
-25.6%
3.1%
Net Margin
-29.5%
-13.0%
Revenue YoY
-5.9%
36.4%
Net Profit YoY
-62.2%
-628.6%
EPS (diluted)
$-0.40
$-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
APLS
APLS
VIAV
VIAV
Q4 25
$199.9M
$369.3M
Q3 25
$458.6M
$299.1M
Q2 25
$178.5M
$290.5M
Q1 25
$166.8M
$284.8M
Q4 24
$212.5M
$270.8M
Q3 24
$196.8M
$238.2M
Q2 24
$199.7M
$252.0M
Q1 24
$172.3M
$246.0M
Net Profit
APLS
APLS
VIAV
VIAV
Q4 25
$-59.0M
$-48.1M
Q3 25
$215.7M
$-21.4M
Q2 25
$-42.2M
$8.0M
Q1 25
$-92.2M
$19.5M
Q4 24
$-36.4M
$9.1M
Q3 24
$-57.4M
$-1.8M
Q2 24
$-37.7M
$-21.7M
Q1 24
$-66.4M
$-24.6M
Gross Margin
APLS
APLS
VIAV
VIAV
Q4 25
57.0%
Q3 25
56.5%
Q2 25
56.3%
Q1 25
56.4%
Q4 24
59.4%
Q3 24
57.1%
Q2 24
57.8%
Q1 24
56.1%
Operating Margin
APLS
APLS
VIAV
VIAV
Q4 25
-25.6%
3.1%
Q3 25
48.7%
2.5%
Q2 25
-18.6%
5.3%
Q1 25
-50.0%
3.0%
Q4 24
-12.3%
8.2%
Q3 24
-24.0%
4.8%
Q2 24
-14.7%
-2.3%
Q1 24
-36.0%
-4.8%
Net Margin
APLS
APLS
VIAV
VIAV
Q4 25
-29.5%
-13.0%
Q3 25
47.0%
-7.2%
Q2 25
-23.6%
2.8%
Q1 25
-55.3%
6.8%
Q4 24
-17.1%
3.4%
Q3 24
-29.2%
-0.8%
Q2 24
-18.9%
-8.6%
Q1 24
-38.5%
-10.0%
EPS (diluted)
APLS
APLS
VIAV
VIAV
Q4 25
$-0.40
$-0.21
Q3 25
$1.67
$-0.10
Q2 25
$-0.33
$0.03
Q1 25
$-0.74
$0.09
Q4 24
$-0.30
$0.04
Q3 24
$-0.46
$-0.01
Q2 24
$-0.30
$-0.10
Q1 24
$-0.54
$-0.11

Balance Sheet & Financial Strength

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

Metric
APLS
APLS
VIAV
VIAV
Cash + ST InvestmentsLiquidity on hand
$466.2M
$767.4M
Total DebtLower is stronger
$1.2B
Stockholders' EquityBook value
$370.1M
$834.3M
Total Assets
$1.1B
$2.8B
Debt / EquityLower = less leverage
1.46×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APLS
APLS
VIAV
VIAV
Q4 25
$466.2M
$767.4M
Q3 25
$479.2M
$545.6M
Q2 25
$370.0M
$425.3M
Q1 25
$358.4M
$396.8M
Q4 24
$411.3M
$509.4M
Q3 24
$396.9M
$493.1M
Q2 24
$360.1M
$491.2M
Q1 24
$325.9M
$482.6M
Total Debt
APLS
APLS
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
$93.1M
$634.4M
Stockholders' Equity
APLS
APLS
VIAV
VIAV
Q4 25
$370.1M
$834.3M
Q3 25
$401.2M
$723.9M
Q2 25
$156.3M
$780.2M
Q1 25
$164.2M
$728.8M
Q4 24
$228.5M
$682.8M
Q3 24
$237.1M
$702.1M
Q2 24
$264.3M
$681.6M
Q1 24
$266.7M
$705.1M
Total Assets
APLS
APLS
VIAV
VIAV
Q4 25
$1.1B
$2.8B
Q3 25
$1.1B
$2.1B
Q2 25
$821.4M
$2.0B
Q1 25
$807.3M
$1.9B
Q4 24
$885.1M
$1.7B
Q3 24
$901.9M
$1.7B
Q2 24
$904.5M
$1.7B
Q1 24
$831.9M
$1.7B
Debt / Equity
APLS
APLS
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
0.35×
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
APLS
APLS
VIAV
VIAV
Operating Cash FlowLast quarter
$-14.2M
$42.5M
Free Cash FlowOCF − Capex
$-14.3M
$36.9M
FCF MarginFCF / Revenue
-7.1%
10.0%
Capex IntensityCapex / Revenue
0.1%
1.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$45.0M
$78.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APLS
APLS
VIAV
VIAV
Q4 25
$-14.2M
$42.5M
Q3 25
$108.5M
$31.0M
Q2 25
$4.4M
$23.8M
Q1 25
$-53.4M
$7.8M
Q4 24
$19.4M
$44.7M
Q3 24
$34.1M
$13.5M
Q2 24
$-8.3M
$26.2M
Q1 24
$-133.0M
$19.5M
Free Cash Flow
APLS
APLS
VIAV
VIAV
Q4 25
$-14.3M
$36.9M
Q3 25
$108.3M
$22.5M
Q2 25
$4.4M
$18.3M
Q1 25
$-53.4M
$1.0M
Q4 24
$19.3M
$36.5M
Q3 24
$6.2M
Q2 24
$-8.4M
$22.4M
Q1 24
$-133.3M
$16.3M
FCF Margin
APLS
APLS
VIAV
VIAV
Q4 25
-7.1%
10.0%
Q3 25
23.6%
7.5%
Q2 25
2.5%
6.3%
Q1 25
-32.0%
0.4%
Q4 24
9.1%
13.5%
Q3 24
2.6%
Q2 24
-4.2%
8.9%
Q1 24
-77.3%
6.6%
Capex Intensity
APLS
APLS
VIAV
VIAV
Q4 25
0.1%
1.5%
Q3 25
0.0%
2.8%
Q2 25
0.0%
1.9%
Q1 25
0.0%
2.4%
Q4 24
0.0%
3.0%
Q3 24
0.0%
3.1%
Q2 24
0.0%
1.5%
Q1 24
0.2%
1.3%
Cash Conversion
APLS
APLS
VIAV
VIAV
Q4 25
Q3 25
0.50×
Q2 25
2.98×
Q1 25
0.40×
Q4 24
4.91×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

APLS
APLS

Syfovre$155.2M78%
Empaveli Pegcetacoplan$35.1M18%
Licensing And Other Revenue$9.6M5%

VIAV
VIAV

Products$317.3M86%
Services$52.0M14%

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