National Grid Transco National Grid (NEW) (NGG) vs Williams Companies (WMB)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Williams Companies (WMB) has outperformed National Grid Transco National Grid (NEW) (NGG) over the past year, gaining 13.9% versus a gain of 4.8%. Over five years, WMB leads with a +144.8% price change compared with +25.2% for NGG. Williams Companies is the larger company by market cap ($88.48 billion vs $77.52 billion), about 1.1 times the size.
On valuation, National Grid Transco National Grid (NEW) trades at a lower forward P/E (11.7x vs 27.3x for Williams Companies). Williams Companies offers the higher dividend yield (2.83% vs 0.63%).
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 | NGG | WMB |
|---|---|---|
| Share price | $77.11 | $72.34 |
| Market cap | $77.52B | $88.48B |
| 1-day change | +1.31% | +1.23% |
| YTD return | -0.31% | +20.35% |
| 1-year return | +4.75% | +13.92% |
| 5-year return | +25.16% | +144.81% |
| P/E ratio (TTM) | 17.56 | 28.82 |
| Forward P/E | 11.69 | 27.33 |
| EPS (TTM) | $4.39 | $2.51 |
| Dividend yield | 0.63% | 2.83% |
| Annual dividend | $0.485 | $2.05 |
| Revenue (latest FY) | — | $11.95B |
| Revenue growth (YoY) | — | +13.78% |
| Net income (latest FY) | — | $2.62B |
| Operating margin | — | 35.11% |
| Net margin | — | 21.91% |
| 52-week high | $94.64 | $80.08 |
| 52-week low | $73.28 | $56.19 |
| Distance from 52-week high | -18.52% | -9.67% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +18.26% | +18.14% |
| Average volume | 834.94K | 7.08M |
| Shares outstanding | 1.01B | 1.22B |
| Employees | 33,026 | 5,987 |
| Sector | Utilities | Utilities |
| Industry | Natural Gas Distribution | Natural Gas Distribution |
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
- Williams Companies trades at a higher earnings multiple (28.8x vs 17.6x trailing P/E).
- Williams Companies offers a meaningfully higher dividend yield (2.83% vs 0.63%).
About National Grid Transco National Grid (NEW)
NGG stock →National Grid plc engages in the transmission and distribution of electricity and gas. It operates through UK Electricity Transmission, UK Electricity Distribution, New England, New York, National Grid Ventures, and Other segments.
Utilities · Natural Gas Distribution · 33,026 employees
About Williams Companies
WMB stock →The Williams Companies, Inc., together with its subsidiaries, operates as an energy infrastructure company primarily in the United States. It operates through Transmission, Power & Gulf, Northeast G&P, West, and Gas & NGL Marketing Services segments.
Utilities · Natural Gas Distribution · 5,987 employees
NGG vs WMB FAQ
Which is bigger, National Grid Transco National Grid (NEW) or Williams Companies?
Williams Companies (WMB) is larger, with a market capitalization of $88.48B compared with $77.52B for National Grid Transco National Grid (NEW) (NGG).
Which stock has performed better over the past year, NGG or WMB?
WMB returned +13.92% over the past 12 months, compared with +4.75% for NGG (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, NGG or WMB?
NGG has the lower trailing P/E at 17.6, versus 28.8 for WMB. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, National Grid Transco National Grid (NEW) or Williams Companies?
Williams Companies has the higher yield at 2.83%, compared with 0.63% for National Grid Transco National Grid (NEW).
Are National Grid Transco National Grid (NEW) and Williams Companies in the same industry?
Yes. Both are classified in the Natural Gas Distribution industry within the Utilities sector.