Firefly Aerospace Inc. (FLY) vs York Space Systems Inc. (YSS)
Side-by-side comparison from SEC filings: latest annual financials, insider activity and institutional ownership.
| Metric | FLY | YSS |
|---|---|---|
| Sector | Industrials | Industrials |
| Latest fiscal year | FY2025 | FY2025 |
| Revenue | $159.85M | $386.2M |
| Revenue growth (YoY) | — | — |
| Net income | -$298.34M | — |
| Gross margin | 19.2% | 19.5% |
| Diluted EPS | $-4.83 | — |
| Insider net (6 mo) | −40.1M sh • 7 sells • 0 buys | +7.0M sh • 8 sells • 0 buys |
| Institutional owners | 35 | 35 |
| Institutional value held | $1.34B | $709.22M |
| Next earnings (est.) | Around Nov 11, 2026 | Around Nov 12, 2026 |
Figures from each company's SEC filings (latest reported fiscal year; fiscal calendars may differ). Next-earnings dates are estimates from historical filing patterns.
About Firefly Aerospace Inc. (FLY)
Firefly is a U.S.-based space and defense technology company that designs, develops, and deploys launch vehicles and spacecraft to serve national security, government, and commercial customers, offering end-to-end mission solutions including launch, transit… Read more →
About York Space Systems Inc. (YSS)
York Space Systems Inc. is a U.S.-based space and defense prime contractor that designs, produces, integrates, and operates spacecraft and related software for national security, government, and commercial customers, offering a vertically integrated, full… Read more →
Source: SEC EDGAR.