Stocks Comparison
Acorn Energy vs Tetra Tech: revenue, profit, margins and growth compared
Acorn Energy brought in $11.5M of revenue in fiscal 2025, Tetra Tech $5.4B in fiscal 2025. Revenue changed by +4.5% at Acorn Energy and +4.7% at Tetra Tech on the year before, so Tetra Tech grew faster. Acorn Energy kept 21.9% of its revenue as net profit, Tetra Tech 4.6%.
Side by side, latest fiscal year
| ACFN | TTEK | |
|---|---|---|
| Fiscal year ended | FY2025 (December 31, 2025) | FY2025 (September 28, 2025) |
| Revenue | $11.5M | $5.4B |
| Revenue growth | +4.5% | +4.7% |
| Net income | $2.5M | $247.7M |
| Net margin | 21.9% | 4.6% |
| Free cash flow | n/a | $439.1M |
| Free cash flow margin | n/a | 8.1% |
| Earnings per share (diluted) | $0.99 | $0.93 |
| Cash | $4.5M | $167.5M |
| Debt | n/a | $766.4M |
| Price to earnings | 21.2 | 36.5 |
| Market value | $52.7M | $8.7B |
| Dividend yield | n/a | 0.73% |
| Rank by revenue in sector | #751 of 778 · Consumer discretionary | #188 of 778 · Consumer discretionary |
Over the years
Questions about Acorn Energy and Tetra Tech
Which is bigger by revenue, Acorn Energy or Tetra Tech?
Tetra Tech is bigger by revenue: $5.4B in fiscal 2025, against $11.5M for Acorn Energy in fiscal 2025.
Which keeps more of its revenue as profit, Acorn Energy or Tetra Tech?
Acorn Energy had a net margin of 21.9% in fiscal 2025; Tetra Tech had 4.6% in fiscal 2025.
Which grew revenue faster, Acorn Energy or Tetra Tech?
In their latest fiscal years revenue changed by +4.5% at Acorn Energy and +4.7% at Tetra Tech.
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.