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Rivian Automotive vs Federal Signal: RIVN and FSS compared
Rivian Automotive is the larger company: $2.2B of revenue in its latest quarter (Q3 2026) against $656M for Federal Signal (Q3 2026). Rivian Automotive is growing faster (+38% against +18% a year earlier). Federal Signal is more profitable, with an operating margin of 17.0% against -40.9%.
Where the money goes: RIVN and FSS
Rivian Automotive (RIVN) · Q3 2026
Rivian Automotive, Q3 2026: revenue $2.2B (+38% year over year), operating margin -40.9%, net loss $907M, operating cash flow −$758M. The chart follows the revenue to costs, profit and cash.
Federal Signal (FSS) · Q3 2026
Federal Signal, Q3 2026: revenue $656M (+18% year over year), operating margin 17.0%, net earnings $79.6M, operating cash flow $91.4M. The chart follows the revenue to costs, profit and cash.
| Rivian Automotive (RIVN) | Federal Signal (FSS) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $2.2B | $656M |
| Revenue growth, Y/Y | +38% | +18% |
| Gross margin | — | 28.9% |
| Operating margin | -40.9% | 17.0% |
| Net earnings | −$907M | $79.6M |
| Net margin | -42.1% | 12.1% |
| Operating cash flow | −$758M | $91.4M |
| Free cash flow | — | $80.0M |
| Market value | $19.4B | $7.0B |
| P/E | — | 23.5× |
| Analysts’ mean target | $18.16 | $141.29 |
Where the revenue comes from
Rivian Automotive
- Automotive: $1.6B (72%)
- Software and services: $605M (28%)
Federal Signal
- Environmental Solutions: $564M (86%)
- Safety and Security Systems: $91.7M (14%)
Questions
Which is bigger, Rivian Automotive or Federal Signal?
Rivian Automotive is the larger company: $2.2B of revenue in its latest quarter (Q3 2026) against $656M for Federal Signal (Q3 2026).
Is Rivian Automotive or Federal Signal growing faster?
Rivian Automotive is growing faster (+38% against +18% a year earlier).
Which is more profitable, Rivian Automotive or Federal Signal?
Federal Signal is more profitable, with an operating margin of 17.0% against -40.9%.
More: Rivian Automotive earnings · how Rivian Automotive makes money · Federal Signal earnings · how Federal Signal makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 29, 2026; 10-Q filed Oct 29, 2026). Fiscal quarters can end on different dates. Not investment advice.