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Side-by-side financial comparison of Apellis Pharmaceuticals, Inc. (APLS) and DUCOMMUN INC (DCO). Click either name above to swap in a different company.

DUCOMMUN INC is the larger business by last-quarter revenue ($215.8M vs $199.9M, roughly 1.1× Apellis Pharmaceuticals, Inc.). DUCOMMUN INC runs the higher net margin — 3.4% vs -29.5%, a 32.9% gap on every dollar of revenue. On growth, DUCOMMUN INC posted the faster year-over-year revenue change (9.4% vs -5.9%). Apellis Pharmaceuticals, Inc. produced more free cash flow last quarter ($-14.3M vs $-78.8M). Over the past eight quarters, Apellis Pharmaceuticals, Inc.'s revenue compounded faster (7.7% CAGR vs 6.3%).

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.

Ducommun Inc. is a global aerospace and defense manufacturing enterprise that provides complex structural components, electronic systems and professional engineering services. It mainly serves clients across the commercial aviation, military defense and space sectors, delivering high-reliability solutions for critical aerospace application scenarios.

APLS vs DCO — Head-to-Head

Bigger by revenue
DCO
DCO
1.1× larger
DCO
$215.8M
$199.9M
APLS
Growing faster (revenue YoY)
DCO
DCO
+15.3% gap
DCO
9.4%
-5.9%
APLS
Higher net margin
DCO
DCO
32.9% more per $
DCO
3.4%
-29.5%
APLS
More free cash flow
APLS
APLS
$64.5M more FCF
APLS
$-14.3M
$-78.8M
DCO
Faster 2-yr revenue CAGR
APLS
APLS
Annualised
APLS
7.7%
6.3%
DCO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
APLS
APLS
DCO
DCO
Revenue
$199.9M
$215.8M
Net Profit
$-59.0M
$7.4M
Gross Margin
27.7%
Operating Margin
-25.6%
6.5%
Net Margin
-29.5%
3.4%
Revenue YoY
-5.9%
9.4%
Net Profit YoY
-62.2%
9.9%
EPS (diluted)
$-0.40
$0.52

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
DCO
DCO
Q4 25
$199.9M
$215.8M
Q3 25
$458.6M
$212.6M
Q2 25
$178.5M
$202.3M
Q1 25
$166.8M
$194.1M
Q4 24
$212.5M
$197.3M
Q3 24
$196.8M
$201.4M
Q2 24
$199.7M
$197.0M
Q1 24
$172.3M
$190.8M
Net Profit
APLS
APLS
DCO
DCO
Q4 25
$-59.0M
$7.4M
Q3 25
$215.7M
$-64.4M
Q2 25
$-42.2M
$12.6M
Q1 25
$-92.2M
$10.5M
Q4 24
$-36.4M
$6.8M
Q3 24
$-57.4M
$10.1M
Q2 24
$-37.7M
$7.7M
Q1 24
$-66.4M
$6.8M
Gross Margin
APLS
APLS
DCO
DCO
Q4 25
27.7%
Q3 25
26.6%
Q2 25
26.6%
Q1 25
26.6%
Q4 24
23.5%
Q3 24
26.2%
Q2 24
26.0%
Q1 24
24.6%
Operating Margin
APLS
APLS
DCO
DCO
Q4 25
-25.6%
6.5%
Q3 25
48.7%
-37.7%
Q2 25
-18.6%
8.5%
Q1 25
-50.0%
8.5%
Q4 24
-12.3%
5.3%
Q3 24
-24.0%
7.6%
Q2 24
-14.7%
7.1%
Q1 24
-36.0%
6.6%
Net Margin
APLS
APLS
DCO
DCO
Q4 25
-29.5%
3.4%
Q3 25
47.0%
-30.3%
Q2 25
-23.6%
6.2%
Q1 25
-55.3%
5.4%
Q4 24
-17.1%
3.4%
Q3 24
-29.2%
5.0%
Q2 24
-18.9%
3.9%
Q1 24
-38.5%
3.6%
EPS (diluted)
APLS
APLS
DCO
DCO
Q4 25
$-0.40
$0.52
Q3 25
$1.67
$-4.30
Q2 25
$-0.33
$0.82
Q1 25
$-0.74
$0.69
Q4 24
$-0.30
$0.45
Q3 24
$-0.46
$0.67
Q2 24
$-0.30
$0.52
Q1 24
$-0.54
$0.46

Balance Sheet & Financial Strength

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

Metric
APLS
APLS
DCO
DCO
Cash + ST InvestmentsLiquidity on hand
$466.2M
$45.3M
Total DebtLower is stronger
$298.8M
Stockholders' EquityBook value
$370.1M
$662.1M
Total Assets
$1.1B
$1.2B
Debt / EquityLower = less leverage
0.45×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APLS
APLS
DCO
DCO
Q4 25
$466.2M
$45.3M
Q3 25
$479.2M
$50.9M
Q2 25
$370.0M
$37.1M
Q1 25
$358.4M
$30.7M
Q4 24
$411.3M
$37.1M
Q3 24
$396.9M
$37.3M
Q2 24
$360.1M
$29.4M
Q1 24
$325.9M
$32.1M
Total Debt
APLS
APLS
DCO
DCO
Q4 25
$298.8M
Q3 25
$215.0M
Q2 25
$218.1M
Q1 25
$229.9M
Q4 24
$229.8M
Q3 24
$246.0M
Q2 24
$250.9M
Q1 24
$93.1M
$253.9M
Stockholders' Equity
APLS
APLS
DCO
DCO
Q4 25
$370.1M
$662.1M
Q3 25
$401.2M
$649.0M
Q2 25
$156.3M
$707.8M
Q1 25
$164.2M
$693.0M
Q4 24
$228.5M
$682.5M
Q3 24
$237.1M
$665.6M
Q2 24
$264.3M
$655.9M
Q1 24
$266.7M
$645.5M
Total Assets
APLS
APLS
DCO
DCO
Q4 25
$1.1B
$1.2B
Q3 25
$1.1B
$1.2B
Q2 25
$821.4M
$1.1B
Q1 25
$807.3M
$1.1B
Q4 24
$885.1M
$1.1B
Q3 24
$901.9M
$1.1B
Q2 24
$904.5M
$1.1B
Q1 24
$831.9M
$1.1B
Debt / Equity
APLS
APLS
DCO
DCO
Q4 25
0.45×
Q3 25
0.33×
Q2 25
0.31×
Q1 25
0.33×
Q4 24
0.34×
Q3 24
0.37×
Q2 24
0.38×
Q1 24
0.35×
0.39×

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
DCO
DCO
Operating Cash FlowLast quarter
$-14.2M
$-74.7M
Free Cash FlowOCF − Capex
$-14.3M
$-78.8M
FCF MarginFCF / Revenue
-7.1%
-36.5%
Capex IntensityCapex / Revenue
0.1%
1.9%
Cash ConversionOCF / Net Profit
-10.03×
TTM Free Cash FlowTrailing 4 quarters
$45.0M
$-48.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APLS
APLS
DCO
DCO
Q4 25
$-14.2M
$-74.7M
Q3 25
$108.5M
$18.1M
Q2 25
$4.4M
$22.4M
Q1 25
$-53.4M
$771.0K
Q4 24
$19.4M
$18.4M
Q3 24
$34.1M
$13.9M
Q2 24
$-8.3M
$3.5M
Q1 24
$-133.0M
$-1.6M
Free Cash Flow
APLS
APLS
DCO
DCO
Q4 25
$-14.3M
$-78.8M
Q3 25
$108.3M
$16.0M
Q2 25
$4.4M
$18.1M
Q1 25
$-53.4M
$-4.0M
Q4 24
$19.3M
$14.6M
Q3 24
$12.0M
Q2 24
$-8.4M
$144.0K
Q1 24
$-133.3M
$-6.6M
FCF Margin
APLS
APLS
DCO
DCO
Q4 25
-7.1%
-36.5%
Q3 25
23.6%
7.5%
Q2 25
2.5%
9.0%
Q1 25
-32.0%
-2.1%
Q4 24
9.1%
7.4%
Q3 24
5.9%
Q2 24
-4.2%
0.1%
Q1 24
-77.3%
-3.5%
Capex Intensity
APLS
APLS
DCO
DCO
Q4 25
0.1%
1.9%
Q3 25
0.0%
1.0%
Q2 25
0.0%
2.1%
Q1 25
0.0%
2.5%
Q4 24
0.0%
2.0%
Q3 24
0.0%
1.0%
Q2 24
0.0%
1.7%
Q1 24
0.2%
2.6%
Cash Conversion
APLS
APLS
DCO
DCO
Q4 25
-10.03×
Q3 25
0.50×
Q2 25
1.79×
Q1 25
0.07×
Q4 24
2.72×
Q3 24
1.37×
Q2 24
0.45×
Q1 24
-0.24×

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%

DCO
DCO

Other$90.1M42%
Militaryand Space$60.0M28%
Electronic Systems Segment$31.3M15%
Commercial Aerospace$24.8M11%
Estimate At Completion Adjustment$6.6M3%
Industrial$3.0M1%

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