Fundamental analysis FLY (Firefly Aerospace Inc)

Updated on 06/05/2026

We analyzed Firefly Aerospace stock against the 10 quality criteria of Lubin Investment. The company gets a quality score of 4/10, meaning low quality.

Sector: Aerospace & Defense. Listing: US. Current price: 38.45 USD.

Lubin scoring methodology

Firefly Aerospace Inc (FLY)'s score is calculated automatically from 10 objective financial criteria, with no human intervention or opinion. Each criterion is validated (YES / PARTIAL / NO) based on thresholds drawn from the financial literature (Warren Buffett, Bettin-Mauboussin, Aswath Damodaran). The final score is the sum of validations.

The 10 quantitative criteria analyzed

1. Profitable: positive net margin
2. Growing revenue: revenue growing > 10%/year over 5 years
3. Growing earnings per share: FCF per share adjusted for stock-based compensation, > 10%/year over 5 years
4. Share count under control: stable or declining (net buybacks = value creation for shareholders)
5. Cash profitability: free cash flow margin > 10% of revenue
6. Expanding margins: operating margin widens over 5 years (operating leverage)
7. Return on invested capital: Bettin-Mauboussin Cash ROCE > 15% per year
8. Debt under control: net debt repayable in less than 3 years of free cash flow
9. Earnings converted to cash: free cash flow exceeds accounting net income
10. Net collection period: short or negative cash conversion cycle

Frequently asked questions

Is Firefly Aerospace a quality stock?

Firefly Aerospace gets a quality score of 4/10 (low quality), calculated over the 10 Lubin Investment criteria: profitability, revenue and free cash flow growth, share buybacks, margins, debt and return on capital.

How is Firefly Aerospace's score calculated?

The score is the total of validated criteria (YES / PARTIAL / NO) using thresholds drawn from the financial literature (Warren Buffett, Mauboussin, Aswath Damodaran), automatically and with no human opinion.

Where to see Firefly Aerospace's full analysis?

The full interactive analysis (10-criteria detail, history, P/FCF valuation, sector comparisons) is available at https://lubin-investment.com/analyse/FLY?lng=en.

Other stocks in the Aerospace & Defense sector

• Howmet Aerospace (HWM) — score 9/10, P/FCF 60.9×
• HEICO (HEI) — score 9/10, P/FCF 42.1×
• Rheinmetall (RHM.DE) — score 9/10, P/FCF 39.9×
• HEICO (HEI.A) — score 9/10, P/FCF 44.3×
• Curtiss-Wright (CW) — score 9/10, P/FCF 47.7×

Go further

👉 See the full interactive analysis of FLY

Other resources : Detailed methodology · All stocks in the Aerospace & Defense sector · Stocks rated 10 out of 10 · Top quality companies · Lubin Investment pricing.