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Side-by-side financial comparison of DUCOMMUN INC (DCO) and Ultragenyx Pharmaceutical Inc. (RARE). Click either name above to swap in a different company.

DUCOMMUN INC is the larger business by last-quarter revenue ($215.8M vs $207.3M, roughly 1.0× Ultragenyx Pharmaceutical Inc.). DUCOMMUN INC runs the higher net margin — 3.4% vs -62.0%, a 65.5% gap on every dollar of revenue. On growth, Ultragenyx Pharmaceutical Inc. posted the faster year-over-year revenue change (25.9% vs 9.4%). DUCOMMUN INC produced more free cash flow last quarter ($-78.8M vs $-100.8M). Over the past eight quarters, Ultragenyx Pharmaceutical Inc.'s revenue compounded faster (38.0% CAGR vs 6.3%).

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.

Ultragenyx Pharmaceutical Inc. is an American biopharmaceutical company involved in the research and development of novel products for treatment of rare and ultra-rare genetic diseases for which there are typically no approved treatments and high unmet medical need. The company works with multiple drug modalities including biologics, small molecule, gene therapies, and ASO and mRNAs in the disease categories of bone, endocrine, metabolic, muscle and CNS diseases.

DCO vs RARE — Head-to-Head

Bigger by revenue
DCO
DCO
1.0× larger
DCO
$215.8M
$207.3M
RARE
Growing faster (revenue YoY)
RARE
RARE
+16.5% gap
RARE
25.9%
9.4%
DCO
Higher net margin
DCO
DCO
65.5% more per $
DCO
3.4%
-62.0%
RARE
More free cash flow
DCO
DCO
$22.0M more FCF
DCO
$-78.8M
$-100.8M
RARE
Faster 2-yr revenue CAGR
RARE
RARE
Annualised
RARE
38.0%
6.3%
DCO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DCO
DCO
RARE
RARE
Revenue
$215.8M
$207.3M
Net Profit
$7.4M
$-128.6M
Gross Margin
27.7%
Operating Margin
6.5%
-54.7%
Net Margin
3.4%
-62.0%
Revenue YoY
9.4%
25.9%
Net Profit YoY
9.9%
3.5%
EPS (diluted)
$0.52
$-1.28

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
DCO
DCO
RARE
RARE
Q4 25
$215.8M
$207.3M
Q3 25
$212.6M
$159.9M
Q2 25
$202.3M
$166.5M
Q1 25
$194.1M
$139.3M
Q4 24
$197.3M
$164.6M
Q3 24
$201.4M
$139.5M
Q2 24
$197.0M
$147.0M
Q1 24
$190.8M
$108.8M
Net Profit
DCO
DCO
RARE
RARE
Q4 25
$7.4M
$-128.6M
Q3 25
$-64.4M
$-180.4M
Q2 25
$12.6M
$-115.0M
Q1 25
$10.5M
$-151.1M
Q4 24
$6.8M
$-133.2M
Q3 24
$10.1M
$-133.5M
Q2 24
$7.7M
$-131.6M
Q1 24
$6.8M
$-170.7M
Gross Margin
DCO
DCO
RARE
RARE
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
DCO
DCO
RARE
RARE
Q4 25
6.5%
-54.7%
Q3 25
-37.7%
-106.9%
Q2 25
8.5%
-64.8%
Q1 25
8.5%
-102.6%
Q4 24
5.3%
-74.3%
Q3 24
7.6%
-94.6%
Q2 24
7.1%
-79.1%
Q1 24
6.6%
-151.9%
Net Margin
DCO
DCO
RARE
RARE
Q4 25
3.4%
-62.0%
Q3 25
-30.3%
-112.8%
Q2 25
6.2%
-69.0%
Q1 25
5.4%
-108.5%
Q4 24
3.4%
-80.9%
Q3 24
5.0%
-95.7%
Q2 24
3.9%
-89.5%
Q1 24
3.6%
-156.8%
EPS (diluted)
DCO
DCO
RARE
RARE
Q4 25
$0.52
$-1.28
Q3 25
$-4.30
$-1.81
Q2 25
$0.82
$-1.17
Q1 25
$0.69
$-1.57
Q4 24
$0.45
$-1.34
Q3 24
$0.67
$-1.40
Q2 24
$0.52
$-1.52
Q1 24
$0.46
$-2.03

Balance Sheet & Financial Strength

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

Metric
DCO
DCO
RARE
RARE
Cash + ST InvestmentsLiquidity on hand
$45.3M
$421.0M
Total DebtLower is stronger
$298.8M
Stockholders' EquityBook value
$662.1M
$-80.0M
Total Assets
$1.2B
$1.5B
Debt / EquityLower = less leverage
0.45×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DCO
DCO
RARE
RARE
Q4 25
$45.3M
$421.0M
Q3 25
$50.9M
$202.5M
Q2 25
$37.1M
$176.3M
Q1 25
$30.7M
$127.1M
Q4 24
$37.1M
$174.0M
Q3 24
$37.3M
$150.6M
Q2 24
$29.4M
$480.7M
Q1 24
$32.1M
$112.3M
Total Debt
DCO
DCO
RARE
RARE
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
$253.9M
Stockholders' Equity
DCO
DCO
RARE
RARE
Q4 25
$662.1M
$-80.0M
Q3 25
$649.0M
$9.2M
Q2 25
$707.8M
$151.3M
Q1 25
$693.0M
$144.2M
Q4 24
$682.5M
$255.0M
Q3 24
$665.6M
$346.8M
Q2 24
$655.9M
$432.4M
Q1 24
$645.5M
$140.3M
Total Assets
DCO
DCO
RARE
RARE
Q4 25
$1.2B
$1.5B
Q3 25
$1.2B
$1.2B
Q2 25
$1.1B
$1.3B
Q1 25
$1.1B
$1.3B
Q4 24
$1.1B
$1.5B
Q3 24
$1.1B
$1.5B
Q2 24
$1.1B
$1.6B
Q1 24
$1.1B
$1.3B
Debt / Equity
DCO
DCO
RARE
RARE
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
0.39×

Cash Flow & Capital Efficiency

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

Metric
DCO
DCO
RARE
RARE
Operating Cash FlowLast quarter
$-74.7M
$-99.8M
Free Cash FlowOCF − Capex
$-78.8M
$-100.8M
FCF MarginFCF / Revenue
-36.5%
-48.6%
Capex IntensityCapex / Revenue
1.9%
0.5%
Cash ConversionOCF / Net Profit
-10.03×
TTM Free Cash FlowTrailing 4 quarters
$-48.6M
$-472.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DCO
DCO
RARE
RARE
Q4 25
$-74.7M
$-99.8M
Q3 25
$18.1M
$-91.4M
Q2 25
$22.4M
$-108.3M
Q1 25
$771.0K
$-166.5M
Q4 24
$18.4M
$-79.3M
Q3 24
$13.9M
$-67.0M
Q2 24
$3.5M
$-77.0M
Q1 24
$-1.6M
$-190.7M
Free Cash Flow
DCO
DCO
RARE
RARE
Q4 25
$-78.8M
$-100.8M
Q3 25
$16.0M
$-92.7M
Q2 25
$18.1M
$-110.7M
Q1 25
$-4.0M
$-167.8M
Q4 24
$14.6M
$-79.5M
Q3 24
$12.0M
$-68.6M
Q2 24
$144.0K
$-79.0M
Q1 24
$-6.6M
$-193.9M
FCF Margin
DCO
DCO
RARE
RARE
Q4 25
-36.5%
-48.6%
Q3 25
7.5%
-58.0%
Q2 25
9.0%
-66.5%
Q1 25
-2.1%
-120.5%
Q4 24
7.4%
-48.3%
Q3 24
5.9%
-49.2%
Q2 24
0.1%
-53.7%
Q1 24
-3.5%
-178.2%
Capex Intensity
DCO
DCO
RARE
RARE
Q4 25
1.9%
0.5%
Q3 25
1.0%
0.8%
Q2 25
2.1%
1.5%
Q1 25
2.5%
1.0%
Q4 24
2.0%
0.1%
Q3 24
1.0%
1.2%
Q2 24
1.7%
1.4%
Q1 24
2.6%
3.0%
Cash Conversion
DCO
DCO
RARE
RARE
Q4 25
-10.03×
Q3 25
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

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%

RARE
RARE

Royalty$105.6M51%
Products$101.7M49%

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