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Side-by-side financial comparison of Metallus Inc. (MTUS) and Rocket Lab Corp (RKLB). Click either name above to swap in a different company.

Metallus Inc. is the larger business by last-quarter revenue ($267.3M vs $179.7M, roughly 1.5× Rocket Lab Corp). Metallus Inc. runs the higher net margin — -5.3% vs -29.5%, a 24.1% gap on every dollar of revenue. On growth, Rocket Lab Corp posted the faster year-over-year revenue change (35.7% vs 11.1%). Metallus Inc. produced more free cash flow last quarter ($-37.2M vs $-114.2M). Over the past eight quarters, Rocket Lab Corp's revenue compounded faster (39.2% CAGR vs -8.8%).

Rocket Lab Corporation is a publicly traded aerospace manufacturer and launch service provider. Its Electron orbital rocket launches small satellites and has successfully completed over 75 missions as of January 2026, making it the most prolific small-lift launch vehicle in operation globally. A suborbital variant of Electron, called HASTE, was developed as a testbed to advance hypersonic technology development, while the next-generation reusable Neutron medium-lift launch vehicle is in devel...

MTUS vs RKLB — Head-to-Head

Bigger by revenue
MTUS
MTUS
1.5× larger
MTUS
$267.3M
$179.7M
RKLB
Growing faster (revenue YoY)
RKLB
RKLB
+24.6% gap
RKLB
35.7%
11.1%
MTUS
Higher net margin
MTUS
MTUS
24.1% more per $
MTUS
-5.3%
-29.5%
RKLB
More free cash flow
MTUS
MTUS
$77.0M more FCF
MTUS
$-37.2M
$-114.2M
RKLB
Faster 2-yr revenue CAGR
RKLB
RKLB
Annualised
RKLB
39.2%
-8.8%
MTUS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MTUS
MTUS
RKLB
RKLB
Revenue
$267.3M
$179.7M
Net Profit
$-14.3M
$-52.9M
Gross Margin
2.2%
38.0%
Operating Margin
-7.7%
-28.4%
Net Margin
-5.3%
-29.5%
Revenue YoY
11.1%
35.7%
Net Profit YoY
33.2%
-1.1%
EPS (diluted)
$-0.34
$-0.09

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
MTUS
MTUS
RKLB
RKLB
Q4 25
$267.3M
$179.7M
Q3 25
$305.9M
$155.1M
Q2 25
$304.6M
$144.5M
Q1 25
$280.5M
$122.6M
Q4 24
$240.5M
$132.4M
Q3 24
$227.2M
$104.8M
Q2 24
$294.7M
$106.3M
Q1 24
$321.6M
$92.8M
Net Profit
MTUS
MTUS
RKLB
RKLB
Q4 25
$-14.3M
$-52.9M
Q3 25
$8.1M
$-18.3M
Q2 25
$3.7M
$-66.4M
Q1 25
$1.3M
$-60.6M
Q4 24
$-21.4M
$-52.3M
Q3 24
$-5.9M
$-51.9M
Q2 24
$4.6M
$-41.6M
Q1 24
$24.0M
$-44.3M
Gross Margin
MTUS
MTUS
RKLB
RKLB
Q4 25
2.2%
38.0%
Q3 25
11.4%
37.0%
Q2 25
10.6%
32.1%
Q1 25
7.8%
28.8%
Q4 24
4.5%
27.8%
Q3 24
5.3%
26.7%
Q2 24
8.2%
25.6%
Q1 24
15.7%
26.1%
Operating Margin
MTUS
MTUS
RKLB
RKLB
Q4 25
-7.7%
-28.4%
Q3 25
3.6%
-38.0%
Q2 25
2.8%
-41.3%
Q1 25
1.0%
-48.3%
Q4 24
-10.1%
-38.9%
Q3 24
-3.1%
-49.5%
Q2 24
2.1%
-40.7%
Q1 24
9.3%
-46.4%
Net Margin
MTUS
MTUS
RKLB
RKLB
Q4 25
-5.3%
-29.5%
Q3 25
2.6%
-11.8%
Q2 25
1.2%
-46.0%
Q1 25
0.5%
-49.5%
Q4 24
-8.9%
-39.5%
Q3 24
-2.6%
-49.6%
Q2 24
1.6%
-39.2%
Q1 24
7.5%
-47.7%
EPS (diluted)
MTUS
MTUS
RKLB
RKLB
Q4 25
$-0.34
$-0.09
Q3 25
$0.19
$-0.03
Q2 25
$0.09
$-0.13
Q1 25
$0.03
$-0.12
Q4 24
$-0.46
$-0.11
Q3 24
$-0.13
$-0.10
Q2 24
$0.10
$-0.08
Q1 24
$0.52
$-0.09

Balance Sheet & Financial Strength

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

Metric
MTUS
MTUS
RKLB
RKLB
Cash + ST InvestmentsLiquidity on hand
$156.7M
$1.0B
Total DebtLower is stronger
$152.4M
Stockholders' EquityBook value
$686.0M
$1.7B
Total Assets
$1.1B
$2.3B
Debt / EquityLower = less leverage
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MTUS
MTUS
RKLB
RKLB
Q4 25
$156.7M
$1.0B
Q3 25
$191.5M
$976.7M
Q2 25
$190.8M
$688.1M
Q1 25
$180.3M
$428.4M
Q4 24
$240.7M
$419.0M
Q3 24
$254.6M
$442.4M
Q2 24
$272.8M
$496.8M
Q1 24
$278.1M
$492.5M
Total Debt
MTUS
MTUS
RKLB
RKLB
Q4 25
$152.4M
Q3 25
$0
$347.0M
Q2 25
$0
$346.5M
Q1 25
$5.4M
$345.9M
Q4 24
$5.4M
$345.4M
Q3 24
$13.2M
$61.2M
Q2 24
$13.2M
$64.2M
Q1 24
$13.2M
$66.8M
Stockholders' Equity
MTUS
MTUS
RKLB
RKLB
Q4 25
$686.0M
$1.7B
Q3 25
$697.7M
$1.3B
Q2 25
$690.0M
$688.5M
Q1 25
$686.1M
$431.3M
Q4 24
$690.5M
$382.5M
Q3 24
$712.7M
$419.8M
Q2 24
$736.3M
$455.2M
Q1 24
$739.3M
$478.9M
Total Assets
MTUS
MTUS
RKLB
RKLB
Q4 25
$1.1B
$2.3B
Q3 25
$1.2B
$2.2B
Q2 25
$1.1B
$1.6B
Q1 25
$1.1B
$1.3B
Q4 24
$1.1B
$1.2B
Q3 24
$1.1B
$1.2B
Q2 24
$1.1B
$1.2B
Q1 24
$1.2B
$1.2B
Debt / Equity
MTUS
MTUS
RKLB
RKLB
Q4 25
0.09×
Q3 25
0.00×
0.27×
Q2 25
0.00×
0.50×
Q1 25
0.01×
0.80×
Q4 24
0.01×
0.90×
Q3 24
0.02×
0.15×
Q2 24
0.02×
0.14×
Q1 24
0.02×
0.14×

Cash Flow & Capital Efficiency

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

Metric
MTUS
MTUS
RKLB
RKLB
Operating Cash FlowLast quarter
$-1.9M
$-64.5M
Free Cash FlowOCF − Capex
$-37.2M
$-114.2M
FCF MarginFCF / Revenue
-13.9%
-63.6%
Capex IntensityCapex / Revenue
13.2%
27.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-93.0M
$-321.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MTUS
MTUS
RKLB
RKLB
Q4 25
$-1.9M
$-64.5M
Q3 25
$22.0M
$-23.5M
Q2 25
$34.8M
$-23.2M
Q1 25
$-38.9M
$-54.2M
Q4 24
$13.9M
$-2.4M
Q3 24
$-15.3M
$-30.9M
Q2 24
$8.3M
$-13.0M
Q1 24
$33.4M
$-2.6M
Free Cash Flow
MTUS
MTUS
RKLB
RKLB
Q4 25
$-37.2M
$-114.2M
Q3 25
$-6.4M
$-69.4M
Q2 25
$17.0M
$-55.3M
Q1 25
$-66.4M
$-82.9M
Q4 24
$-1.3M
$-23.9M
Q3 24
$-32.9M
$-41.9M
Q2 24
$-5.8M
$-28.3M
Q1 24
$16.0M
$-21.8M
FCF Margin
MTUS
MTUS
RKLB
RKLB
Q4 25
-13.9%
-63.6%
Q3 25
-2.1%
-44.8%
Q2 25
5.6%
-38.3%
Q1 25
-23.7%
-67.6%
Q4 24
-0.5%
-18.1%
Q3 24
-14.5%
-40.0%
Q2 24
-2.0%
-26.7%
Q1 24
5.0%
-23.5%
Capex Intensity
MTUS
MTUS
RKLB
RKLB
Q4 25
13.2%
27.6%
Q3 25
9.3%
29.6%
Q2 25
5.8%
22.2%
Q1 25
9.8%
23.4%
Q4 24
6.3%
16.3%
Q3 24
7.7%
10.5%
Q2 24
4.8%
14.4%
Q1 24
5.4%
20.7%
Cash Conversion
MTUS
MTUS
RKLB
RKLB
Q4 25
Q3 25
2.72×
Q2 25
9.41×
Q1 25
-29.92×
Q4 24
Q3 24
Q2 24
1.80×
Q1 24
1.39×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MTUS
MTUS

Industrial Market Sector$95.3M36%
Manufactured Components$67.8M25%
Aerospace And Defense$39.6M15%
Seamless Mechanical Tubing$31.3M12%
Energy Market Sector$18.3M7%
Other$11.3M4%
Other Market Sector$3.7M1%

RKLB
RKLB

Products$94.0M52%
Transferred Over Time$87.3M49%

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