AMSC vs PRLB: Which Stock Is the Better Buy?
American Superconductor Corporation and Proto Labs, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Industrials.
AI verdict — AMSC vs PRLB, read from the filings
The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.
| American Superconductor Corporation (AMSC) | Proto Labs, Inc. (PRLB) | |
|---|---|---|
| Market cap | $1.8B | $1.8B |
| Revenue (latest FY) | $299.15M | $533.13M |
| Net income (latest FY) | $133.81M | $21.24M |
| Revenue growth (5y CAGR) | 28.0% | 4.2% |
| Net margin | 44.7% | 4.0% |
| Return on equity | 24.1% | 3.2% |
| P/E ratio | 12.4 | 70.1 |
| Dividend yield | — | — |
| Profitable years (of last 10) | 3 | 9 |
| Positive free cash flow | Yes | Yes |
Verify the comparison
Use the filing period and source shown by each tool before treating two figures as comparable.
See the full AMSC vs PRLB breakdown
Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.
Open AMSC's full financials → Open PRLB's full financials →More comparisons
Frequently asked questions
Which is bigger, AMSC or PRLB?
American Superconductor Corporation is larger by market capitalization — $1.8B versus $1.8B.
Which grows faster, AMSC or PRLB?
Over the last five fiscal years, American Superconductor Corporation grew revenue faster — 28.0%/yr versus 4.2%/yr, computed from SEC-filed statements.
Where does this data come from?
All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.