Ten NGX stocks account for 71% of N160tn market value

Ten leading stocks on the Nigerian Exchange (NGX) accounted for N115.98 trillion in combined market capitalisation as at mid-October 2026, representing about 71.15 per cent of the bourse's total equity market value of around N163 trillion, according to a report published on 15 October 2026. The concentration highlights the outsized influence of a small group of companies on the NGX's overall performance.

The stocks span telecommunications, cement, consumer goods, oil and gas and banking. They are Airtel Africa Plc, Dangote Cement Plc, MTN Nigeria Communications Plc, BUA Foods Plc, BUA Cement Plc, Seplat Energy Plc, FirstHoldCo Plc, Aradel Holdings Plc, HBM Nigeria Plc and Zenith Bank Plc. Together, these 10 companies account for more than seven-tenths of market value, leaving the remaining 146 listed equities to account for about N47 trillion, or roughly 28 per cent of the total, based on figures from the NGX.

Market breadth and activity

The concentration comes against a backdrop of modest movements in the benchmark index. On 15 October 2026, the NGX All-Share Index (ASI) closed at 247,707.13, up 0.01 per cent, with market capitalisation at N160.83 trillion. Market breadth was balanced, with 10 stocks advancing, 10 declining and 89 unchanged. Trading activity remained robust, with volume and value varying across sessions, but institutional and large-cap stocks continued to dominate turnover.

Recent trading data show that a handful of stocks often account for a significant share of daily volume. For example, on 14 October 2026, Access Holdings Plc emerged as the most actively traded stock, accounting for about 31.6 per cent of total volume, while the top four stocks by volume accounted for nearly 45 per cent of total market turnover. These trends underscore how the performance of a few large-cap names can drive index movements even when broader market breadth is mixed.

Drivers of concentration

The dominance of these stocks reflects their scale, sector weightings and investor preference for liquid, high-cap names. Telecoms and cement stocks have grown substantially in value in recent years, while oil and gas listings such as Seplat and Aradel have benefited from commodity price dynamics and investor interest in the energy sector. Large banks also feature prominently due to their size and liquidity. The result is a market where the top 10 stocks exert disproportionate influence on the ASI and overall market capitalisation.

This concentration carries both benefits and risks. It provides liquidity and makes the NGX attractive to investors seeking exposure to large, established companies. However, it also increases concentration risk, as adverse developments in any of these heavyweights can have an outsized impact on the market, even if smaller stocks are performing well. With total market capitalisation approaching N160 trillion, the skew towards a small group of stocks remains a structural feature of the Nigerian equity market.

Implications for investors

For passive and index-tracking strategies, the composition of the top 10 means returns are heavily dependent on these names. Active investors may find opportunities in the broader market, but lower liquidity in many mid- and small-cap stocks can limit participation. The concentration also underscores the importance of sector diversification within the NGX, as movements in telecoms, cement, consumer goods, oil and gas and banking have outsized effects on overall market performance.

While the NGX continues to attract new listings and recapitalisations, the current structure shows little sign of broad-based rebalancing in the near term. As market capitalisation holds around N160 trillion, investors will remain attuned to the performance of these 10 stocks, which together define much of the market's trajectory.