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

Rocket Lab Corp is the larger business by last-quarter revenue ($179.7M vs $363.0K, roughly 494.9× Momentus Inc.). On growth, Rocket Lab Corp posted the faster year-over-year revenue change (35.7% vs 27.4%). Over the past eight quarters, Rocket Lab Corp's revenue compounded faster (39.2% CAGR vs -15.9%).

Momentus Inc, sometimes styled Momentus space, is an American spaceflight company founded by Mikhail Kokorich in 2017. The company is focused on offering space infrastructure services in the form of on-orbit services. The company advertises three orbital tug services which are based around spacecraft electric propulsion and vary in payload mass and Delta-v. As of late 2022 the company has launched one demonstration mission, which produced mixed results.

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...

MNTS vs RKLB — Head-to-Head

Bigger by revenue
RKLB
RKLB
494.9× larger
RKLB
$179.7M
$363.0K
MNTS
Growing faster (revenue YoY)
RKLB
RKLB
+8.3% gap
RKLB
35.7%
27.4%
MNTS
Faster 2-yr revenue CAGR
RKLB
RKLB
Annualised
RKLB
39.2%
-15.9%
MNTS

Income Statement — Q4 2025 vs Q4 2025

Metric
MNTS
MNTS
RKLB
RKLB
Revenue
$363.0K
$179.7M
Net Profit
$-52.9M
Gross Margin
100.0%
38.0%
Operating Margin
-2446.3%
-28.4%
Net Margin
-29.5%
Revenue YoY
27.4%
35.7%
Net Profit YoY
-1.1%
EPS (diluted)
$-45.15
$-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
MNTS
MNTS
RKLB
RKLB
Q4 25
$363.0K
$179.7M
Q3 25
$234.0K
$155.1M
Q2 25
$191.0K
$144.5M
Q1 25
$322.0K
$122.6M
Q4 24
$285.0K
$132.4M
Q3 24
$107.0K
$104.8M
Q2 24
$1.2M
$106.3M
Q1 24
$513.0K
$92.8M
Net Profit
MNTS
MNTS
RKLB
RKLB
Q4 25
$-52.9M
Q3 25
$-11.1M
$-18.3M
Q2 25
$-6.5M
$-66.4M
Q1 25
$-6.2M
$-60.6M
Q4 24
$-52.3M
Q3 24
$-7.8M
$-51.9M
Q2 24
$-7.0M
$-41.6M
Q1 24
$-8.3M
$-44.3M
Gross Margin
MNTS
MNTS
RKLB
RKLB
Q4 25
100.0%
38.0%
Q3 25
100.0%
37.0%
Q2 25
99.0%
32.1%
Q1 25
100.0%
28.8%
Q4 24
100.0%
27.8%
Q3 24
38.3%
26.7%
Q2 24
100.0%
25.6%
Q1 24
100.0%
26.1%
Operating Margin
MNTS
MNTS
RKLB
RKLB
Q4 25
-2446.3%
-28.4%
Q3 25
-2669.2%
-38.0%
Q2 25
-3112.0%
-41.3%
Q1 25
-1920.8%
-48.3%
Q4 24
-2385.6%
-38.9%
Q3 24
-7096.3%
-49.5%
Q2 24
-576.0%
-40.7%
Q1 24
-1623.2%
-46.4%
Net Margin
MNTS
MNTS
RKLB
RKLB
Q4 25
-29.5%
Q3 25
-4732.5%
-11.8%
Q2 25
-3377.0%
-46.0%
Q1 25
-1916.8%
-49.5%
Q4 24
-39.5%
Q3 24
-7250.5%
-49.6%
Q2 24
-580.3%
-39.2%
Q1 24
-1620.5%
-47.7%
EPS (diluted)
MNTS
MNTS
RKLB
RKLB
Q4 25
$-45.15
$-0.09
Q3 25
$-1.08
$-0.03
Q2 25
$-1.23
$-0.13
Q1 25
$-1.64
$-0.12
Q4 24
$-392.58
$-0.11
Q3 24
$-6.26
$-0.10
Q2 24
$-5.92
$-0.08
Q1 24
$-9.25
$-0.09

Balance Sheet & Financial Strength

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

Metric
MNTS
MNTS
RKLB
RKLB
Cash + ST InvestmentsLiquidity on hand
$12.8M
$1.0B
Total DebtLower is stronger
$152.4M
Stockholders' EquityBook value
$17.1M
$1.7B
Total Assets
$40.3M
$2.3B
Debt / EquityLower = less leverage
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MNTS
MNTS
RKLB
RKLB
Q4 25
$12.8M
$1.0B
Q3 25
$670.0K
$976.7M
Q2 25
$132.0K
$688.1M
Q1 25
$3.4M
$428.4M
Q4 24
$1.6M
$419.0M
Q3 24
$798.0K
$442.4M
Q2 24
$897.0K
$496.8M
Q1 24
$1.7M
$492.5M
Total Debt
MNTS
MNTS
RKLB
RKLB
Q4 25
$152.4M
Q3 25
$347.0M
Q2 25
$346.5M
Q1 25
$345.9M
Q4 24
$345.4M
Q3 24
$61.2M
Q2 24
$64.2M
Q1 24
$66.8M
Stockholders' Equity
MNTS
MNTS
RKLB
RKLB
Q4 25
$17.1M
$1.7B
Q3 25
$-694.0K
$1.3B
Q2 25
$-10.0M
$688.5M
Q1 25
$-6.0M
$431.3M
Q4 24
$-7.8M
$382.5M
Q3 24
$-5.4M
$419.8M
Q2 24
$-1.8M
$455.2M
Q1 24
$3.5M
$478.9M
Total Assets
MNTS
MNTS
RKLB
RKLB
Q4 25
$40.3M
$2.3B
Q3 25
$19.6M
$2.2B
Q2 25
$9.2M
$1.6B
Q1 25
$11.7M
$1.3B
Q4 24
$10.0M
$1.2B
Q3 24
$14.1M
$1.2B
Q2 24
$15.0M
$1.2B
Q1 24
$18.7M
$1.2B
Debt / Equity
MNTS
MNTS
RKLB
RKLB
Q4 25
0.09×
Q3 25
0.27×
Q2 25
0.50×
Q1 25
0.80×
Q4 24
0.90×
Q3 24
0.15×
Q2 24
0.14×
Q1 24
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
MNTS
MNTS
RKLB
RKLB
Operating Cash FlowLast quarter
$-10.5M
$-64.5M
Free Cash FlowOCF − Capex
$-114.2M
FCF MarginFCF / Revenue
-63.6%
Capex IntensityCapex / Revenue
27.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-321.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MNTS
MNTS
RKLB
RKLB
Q4 25
$-10.5M
$-64.5M
Q3 25
$-5.3M
$-23.5M
Q2 25
$-3.2M
$-23.2M
Q1 25
$-4.2M
$-54.2M
Q4 24
$-5.7M
$-2.4M
Q3 24
$-4.5M
$-30.9M
Q2 24
$-1.1M
$-13.0M
Q1 24
$-5.3M
$-2.6M
Free Cash Flow
MNTS
MNTS
RKLB
RKLB
Q4 25
$-114.2M
Q3 25
$-69.4M
Q2 25
$-55.3M
Q1 25
$-82.9M
Q4 24
$-23.9M
Q3 24
$-41.9M
Q2 24
$-28.3M
Q1 24
$-21.8M
FCF Margin
MNTS
MNTS
RKLB
RKLB
Q4 25
-63.6%
Q3 25
-44.8%
Q2 25
-38.3%
Q1 25
-67.6%
Q4 24
-18.1%
Q3 24
-40.0%
Q2 24
-26.7%
Q1 24
-23.5%
Capex Intensity
MNTS
MNTS
RKLB
RKLB
Q4 25
27.6%
Q3 25
29.6%
Q2 25
22.2%
Q1 25
23.4%
Q4 24
0.0%
16.3%
Q3 24
0.0%
10.5%
Q2 24
0.0%
14.4%
Q1 24
0.0%
20.7%

Financial Flow Comparison

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

Revenue Breakdown by Segment

MNTS
MNTS

Segment breakdown not available.

RKLB
RKLB

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

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