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Side-by-side financial comparison of Harmony Biosciences Holdings, Inc. (HRMY) and Rocket Lab Corp (RKLB). Click either name above to swap in a different company.

Harmony Biosciences Holdings, Inc. is the larger business by last-quarter revenue ($243.8M vs $179.7M, roughly 1.4× Rocket Lab Corp). Harmony Biosciences Holdings, Inc. runs the higher net margin — 9.2% vs -29.5%, a 38.7% gap on every dollar of revenue. On growth, Rocket Lab Corp posted the faster year-over-year revenue change (35.7% vs 21.1%). Harmony Biosciences Holdings, Inc. produced more free cash flow last quarter ($126.0M vs $-114.2M). Over the past eight quarters, Rocket Lab Corp's revenue compounded faster (39.2% CAGR vs 25.6%).

Harmony Biosciences Holdings, Inc. is a commercial-stage biopharmaceutical company focused on developing and commercializing innovative therapies for rare neurological and central nervous system disorders. Its primary market is the United States, with its core product serving patients living with narcolepsy and other sleep-related CNS conditions across adult and pediatric segments.

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...

HRMY vs RKLB — Head-to-Head

Bigger by revenue
HRMY
HRMY
1.4× larger
HRMY
$243.8M
$179.7M
RKLB
Growing faster (revenue YoY)
RKLB
RKLB
+14.6% gap
RKLB
35.7%
21.1%
HRMY
Higher net margin
HRMY
HRMY
38.7% more per $
HRMY
9.2%
-29.5%
RKLB
More free cash flow
HRMY
HRMY
$240.2M more FCF
HRMY
$126.0M
$-114.2M
RKLB
Faster 2-yr revenue CAGR
RKLB
RKLB
Annualised
RKLB
39.2%
25.6%
HRMY

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
HRMY
HRMY
RKLB
RKLB
Revenue
$243.8M
$179.7M
Net Profit
$22.5M
$-52.9M
Gross Margin
71.9%
38.0%
Operating Margin
15.8%
-28.4%
Net Margin
9.2%
-29.5%
Revenue YoY
21.1%
35.7%
Net Profit YoY
-54.6%
-1.1%
EPS (diluted)
$0.38
$-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
HRMY
HRMY
RKLB
RKLB
Q4 25
$243.8M
$179.7M
Q3 25
$239.5M
$155.1M
Q2 25
$200.5M
$144.5M
Q1 25
$184.7M
$122.6M
Q4 24
$201.3M
$132.4M
Q3 24
$186.0M
$104.8M
Q2 24
$172.8M
$106.3M
Q1 24
$154.6M
$92.8M
Net Profit
HRMY
HRMY
RKLB
RKLB
Q4 25
$22.5M
$-52.9M
Q3 25
$50.9M
$-18.3M
Q2 25
$39.8M
$-66.4M
Q1 25
$45.6M
$-60.6M
Q4 24
$49.5M
$-52.3M
Q3 24
$46.1M
$-51.9M
Q2 24
$11.6M
$-41.6M
Q1 24
$38.3M
$-44.3M
Gross Margin
HRMY
HRMY
RKLB
RKLB
Q4 25
71.9%
38.0%
Q3 25
75.1%
37.0%
Q2 25
81.0%
32.1%
Q1 25
82.7%
28.8%
Q4 24
73.0%
27.8%
Q3 24
77.0%
26.7%
Q2 24
81.4%
25.6%
Q1 24
82.2%
26.1%
Operating Margin
HRMY
HRMY
RKLB
RKLB
Q4 25
15.8%
-28.4%
Q3 25
27.3%
-38.0%
Q2 25
24.0%
-41.3%
Q1 25
30.4%
-48.3%
Q4 24
27.7%
-38.9%
Q3 24
33.2%
-49.5%
Q2 24
12.4%
-40.7%
Q1 24
33.7%
-46.4%
Net Margin
HRMY
HRMY
RKLB
RKLB
Q4 25
9.2%
-29.5%
Q3 25
21.2%
-11.8%
Q2 25
19.8%
-46.0%
Q1 25
24.7%
-49.5%
Q4 24
24.6%
-39.5%
Q3 24
24.8%
-49.6%
Q2 24
6.7%
-39.2%
Q1 24
24.8%
-47.7%
EPS (diluted)
HRMY
HRMY
RKLB
RKLB
Q4 25
$0.38
$-0.09
Q3 25
$0.87
$-0.03
Q2 25
$0.68
$-0.13
Q1 25
$0.78
$-0.12
Q4 24
$0.85
$-0.11
Q3 24
$0.79
$-0.10
Q2 24
$0.20
$-0.08
Q1 24
$0.67
$-0.09

Balance Sheet & Financial Strength

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

Metric
HRMY
HRMY
RKLB
RKLB
Cash + ST InvestmentsLiquidity on hand
$775.3M
$1.0B
Total DebtLower is stronger
$163.7M
$152.4M
Stockholders' EquityBook value
$870.2M
$1.7B
Total Assets
$1.3B
$2.3B
Debt / EquityLower = less leverage
0.19×
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HRMY
HRMY
RKLB
RKLB
Q4 25
$775.3M
$1.0B
Q3 25
$672.6M
$976.7M
Q2 25
$565.3M
$688.1M
Q1 25
$507.0M
$428.4M
Q4 24
$467.2M
$419.0M
Q3 24
$410.5M
$442.4M
Q2 24
$346.9M
$496.8M
Q1 24
$372.4M
$492.5M
Total Debt
HRMY
HRMY
RKLB
RKLB
Q4 25
$163.7M
$152.4M
Q3 25
$168.5M
$347.0M
Q2 25
$172.1M
$346.5M
Q1 25
$175.7M
$345.9M
Q4 24
$179.3M
$345.4M
Q3 24
$182.8M
$61.2M
Q2 24
$186.4M
$64.2M
Q1 24
$190.0M
$66.8M
Stockholders' Equity
HRMY
HRMY
RKLB
RKLB
Q4 25
$870.2M
$1.7B
Q3 25
$835.1M
$1.3B
Q2 25
$773.1M
$688.5M
Q1 25
$720.5M
$431.3M
Q4 24
$659.2M
$382.5M
Q3 24
$596.8M
$419.8M
Q2 24
$538.6M
$455.2M
Q1 24
$515.4M
$478.9M
Total Assets
HRMY
HRMY
RKLB
RKLB
Q4 25
$1.3B
$2.3B
Q3 25
$1.2B
$2.2B
Q2 25
$1.1B
$1.6B
Q1 25
$1.1B
$1.3B
Q4 24
$999.2M
$1.2B
Q3 24
$928.1M
$1.2B
Q2 24
$858.4M
$1.2B
Q1 24
$847.0M
$1.2B
Debt / Equity
HRMY
HRMY
RKLB
RKLB
Q4 25
0.19×
0.09×
Q3 25
0.20×
0.27×
Q2 25
0.22×
0.50×
Q1 25
0.24×
0.80×
Q4 24
0.27×
0.90×
Q3 24
0.31×
0.15×
Q2 24
0.35×
0.14×
Q1 24
0.37×
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
HRMY
HRMY
RKLB
RKLB
Operating Cash FlowLast quarter
$126.2M
$-64.5M
Free Cash FlowOCF − Capex
$126.0M
$-114.2M
FCF MarginFCF / Revenue
51.7%
-63.6%
Capex IntensityCapex / Revenue
0.0%
27.6%
Cash ConversionOCF / Net Profit
5.61×
TTM Free Cash FlowTrailing 4 quarters
$347.9M
$-321.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HRMY
HRMY
RKLB
RKLB
Q4 25
$126.2M
$-64.5M
Q3 25
$108.7M
$-23.5M
Q2 25
$79.3M
$-23.2M
Q1 25
$34.0M
$-54.2M
Q4 24
$75.6M
$-2.4M
Q3 24
$70.5M
$-30.9M
Q2 24
$42.6M
$-13.0M
Q1 24
$31.1M
$-2.6M
Free Cash Flow
HRMY
HRMY
RKLB
RKLB
Q4 25
$126.0M
$-114.2M
Q3 25
$108.7M
$-69.4M
Q2 25
$79.3M
$-55.3M
Q1 25
$33.9M
$-82.9M
Q4 24
$75.0M
$-23.9M
Q3 24
$70.5M
$-41.9M
Q2 24
$42.0M
$-28.3M
Q1 24
$31.1M
$-21.8M
FCF Margin
HRMY
HRMY
RKLB
RKLB
Q4 25
51.7%
-63.6%
Q3 25
45.4%
-44.8%
Q2 25
39.6%
-38.3%
Q1 25
18.3%
-67.6%
Q4 24
37.3%
-18.1%
Q3 24
37.9%
-40.0%
Q2 24
24.3%
-26.7%
Q1 24
20.1%
-23.5%
Capex Intensity
HRMY
HRMY
RKLB
RKLB
Q4 25
0.0%
27.6%
Q3 25
0.0%
29.6%
Q2 25
0.0%
22.2%
Q1 25
0.1%
23.4%
Q4 24
0.3%
16.3%
Q3 24
0.0%
10.5%
Q2 24
0.4%
14.4%
Q1 24
0.0%
20.7%
Cash Conversion
HRMY
HRMY
RKLB
RKLB
Q4 25
5.61×
Q3 25
2.14×
Q2 25
1.99×
Q1 25
0.75×
Q4 24
1.53×
Q3 24
1.53×
Q2 24
3.68×
Q1 24
0.81×

Financial Flow Comparison

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

Revenue Breakdown by Segment

HRMY
HRMY

Segment breakdown not available.

RKLB
RKLB

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

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