Stocks Comparison
Firefly Aerospace vs Rocket Lab: revenue, profit, margins and growth compared
Firefly Aerospace brought in $159.9M of revenue in fiscal 2025, Rocket Lab $601.8M in fiscal 2025. Revenue changed by +163.0% at Firefly Aerospace and +38.0% at Rocket Lab on the year before, so Firefly Aerospace grew faster. Firefly Aerospace kept -186.6% of its revenue as net profit, Rocket Lab -32.9%. Free cash flow was -$237.8M at Firefly Aerospace and -$321.8M at Rocket Lab.
Side by side, latest fiscal year
| FLY | RKLB | |
|---|---|---|
| Fiscal year ended | FY2025 (December 31, 2025) | FY2025 (December 31, 2025) |
| Revenue | $159.9M | $601.8M |
| Revenue growth | +163.0% | +38.0% |
| Net income | -$298.3M | -$198.2M |
| Net margin | -186.6% | -32.9% |
| Free cash flow | -$237.8M | -$321.8M |
| Free cash flow margin | -148.7% | -53.5% |
| Earnings per share (diluted) | -$4.83 | -$0.37 |
| Cash | $793M | $828.7M |
| Debt | n/a | $152.4M |
| Price to earnings | n/a | n/a |
| Market value | $4.1B | $44.3B |
| Dividend yield | n/a | n/a |
| Rank by revenue in sector | #367 of 451 · Industrials | #304 of 451 · Industrials |
Over the years
Questions about Firefly Aerospace and Rocket Lab
Which is bigger by revenue, Firefly Aerospace or Rocket Lab?
Rocket Lab is bigger by revenue: $601.8M in fiscal 2025, against $159.9M for Firefly Aerospace in fiscal 2025.
Which keeps more of its revenue as profit, Firefly Aerospace or Rocket Lab?
Firefly Aerospace had a net margin of -186.6% in fiscal 2025; Rocket Lab had -32.9% in fiscal 2025.
Which grew revenue faster, Firefly Aerospace or Rocket Lab?
In their latest fiscal years revenue changed by +163.0% at Firefly Aerospace and +38.0% at Rocket Lab.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.