ATS (ATS) vs Plug Power (PLUG)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 19, 2026.
Summary
ATS (ATS) has outperformed Plug Power (PLUG) over the past year, losing 31.7% versus a loss of 59.7%. Over five years, ATS leads with a -46.6% price change compared with -95.8% for PLUG. Plug Power is the larger company by market cap ($1.91 billion vs $1.78 billion), about 1.1 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ATS | PLUG |
|---|---|---|
| Share price | $18.18 | $1.37 |
| Market cap | $1.78B | $1.91B |
| 1-day change | 0.00% | -0.72% |
| YTD return | -33.99% | -30.46% |
| 1-year return | -31.71% | -59.71% |
| 5-year return | -46.59% | -95.78% |
| P/E ratio (TTM) | 51.94 | — |
| Forward P/E | 13.34 | — |
| EPS (TTM) | $0.35 | $-1.31 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | — | $709.92M |
| Revenue growth (YoY) | — | +12.90% |
| Net income (latest FY) | — | $-1.63B |
| Gross margin | — | -34.09% |
| Operating margin | — | -206.70% |
| Net margin | — | -229.83% |
| 52-week high | $35.82 | $4.33 |
| 52-week low | $17.15 | $1.35 |
| Distance from 52-week high | -49.25% | -68.36% |
| Analyst consensus | buy | hold |
| Avg. price target upside | — | +154.74% |
| Average volume | 256.70K | 54.32M |
| Shares outstanding | 98.13M | 1.40B |
| Employees | 7,000 | 2,344 |
| Sector | Industrials | Energy |
| Industry | Industrial Machinery/Components | Industrial Machinery/Components |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- ATS has outperformed PLUG by 28.0 percentage points over the past year.
- The two companies sit in different sectors: ATS in Industrials and Plug Power in Energy.
About ATS
ATS stock →ATS Corporation, together with its subsidiaries, engages in the planning, designing, building, commissioning, and servicing of automated manufacturing and assembly systems worldwide. The company offers pre-automation services comprising discovery and analysis, concept development, simulation, and total cost of ownership modeling; post-automation services, including training, process optimization, preventive maintenance, emergency and on-call support, spare parts, retooling, retrofits, and equipment relocation; and contract manufacturing services, as well as after-sales services.
Industrials · Industrial Machinery/Components · 7,000 employees
About Plug Power
PLUG stock →Plug Power Inc. designs, develops, and sells hydrogen products and solutions in Europe, Australia, North America, and internationally.
Energy · Industrial Machinery/Components · 2,344 employees
ATS vs PLUG FAQ
Which is bigger, ATS or Plug Power?
Plug Power (PLUG) is larger, with a market capitalization of $1.91B compared with $1.78B for ATS (ATS).
Which stock has performed better over the past year, ATS or PLUG?
ATS returned -31.71% over the past 12 months, compared with -59.71% for PLUG (price return, excluding dividends). Past performance does not predict future results.
Are ATS and Plug Power in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Industrials sector.