Antero Midstream (AM) vs Transportadora de Gas del Sur SA TGS (TGS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Transportadora de Gas del Sur SA TGS (TGS) has outperformed Antero Midstream (AM) over the past year, gaining 25.4% versus a gain of 9.0%. Over five years, TGS leads with a +383.2% price change compared with +83.7% for AM. Antero Midstream is the larger company by market cap ($10.06 billion vs $3.97 billion), about 2.5 times the size.
On valuation, Transportadora de Gas del Sur SA TGS trades at a lower forward P/E (10.1x vs 13.1x for Antero Midstream). Antero Midstream pays a dividend yielding 4.25%, while Transportadora de Gas del Sur SA TGS does not currently pay one.
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 | AM | TGS |
|---|---|---|
| Share price | $21.19 | $26.39 |
| Market cap | $10.06B | $3.97B |
| 1-day change | +1.63% | +0.57% |
| YTD return | +17.20% | -15.12% |
| 1-year return | +8.99% | +25.37% |
| 5-year return | +83.70% | +383.24% |
| P/E ratio (TTM) | 25.53 | 9.88 |
| Forward P/E | 13.15 | 10.08 |
| EPS (TTM) | $0.83 | $2.67 |
| Dividend yield | 4.25% | 0.00% |
| Annual dividend | $0.90 | $0.00 |
| Revenue (latest FY) | $1.19B | — |
| Revenue growth (YoY) | +7.43% | — |
| Net income (latest FY) | $413.16M | — |
| Operating margin | 54.25% | — |
| Net margin | 34.77% | — |
| 52-week high | $23.84 | $36.35 |
| 52-week low | $16.96 | $21.11 |
| Distance from 52-week high | -11.10% | -27.40% |
| Analyst consensus | none | buy |
| Avg. price target upside | +13.26% | +54.91% |
| Average volume | 2.37M | 218.13K |
| Shares outstanding | 474.67M | 69.51M |
| Employees | 632 | 1,187 |
| 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
- Antero Midstream is about 2.5 times larger than Transportadora de Gas del Sur SA TGS by market value ($10.06B vs $3.97B).
- TGS has outperformed AM by 16.4 percentage points over the past year.
- Antero Midstream trades at a higher earnings multiple (25.5x vs 9.9x trailing P/E).
- Antero Midstream offers a meaningfully higher dividend yield (4.25% vs 0.00%).
About Antero Midstream
AM stock →Antero Midstream Corporation owns, operates, and develops midstream energy assets in the Appalachian Basin. It operates in two segments, Gathering and Processing, and Water Handling.
Utilities · Natural Gas Distribution · 632 employees
About Transportadora de Gas del Sur SA TGS
TGS stock →Transportadora de Gas del Sur S.A. engages in transportation of natural gas, and production and commercialization of natural gas liquids in Argentina and internationally.
Utilities · Natural Gas Distribution · 1,187 employees
AM vs TGS FAQ
Which is bigger, Antero Midstream or Transportadora de Gas del Sur SA TGS?
Antero Midstream (AM) is larger, with a market capitalization of $10.06B compared with $3.97B for Transportadora de Gas del Sur SA TGS (TGS).
Which stock has performed better over the past year, AM or TGS?
TGS returned +25.37% over the past 12 months, compared with +8.99% for AM (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AM or TGS?
TGS has the lower trailing P/E at 9.9, versus 25.5 for AM. 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, Antero Midstream or Transportadora de Gas del Sur SA TGS?
Antero Midstream pays a dividend yielding 4.25%, while Transportadora de Gas del Sur SA TGS does not currently pay a regular dividend.
Are Antero Midstream and Transportadora de Gas del Sur SA TGS in the same industry?
Yes. Both are classified in the Natural Gas Distribution industry within the Utilities sector.