Top 10 Best-Performing NSE Stocks in August 2026

4. Diamond Trust Bank

Diamond Trust Bank (DTB) was the highest-performing banking stock among the top ten.

Its share price rose from Ksh152.50 to Ksh195 during the month. As a result, a Ksh100,000 investment would have grown to Ksh127,869, delivering a capital gain of Ksh27,869.

5. Unga Group

Unga Group's share price increased from Ksh34.25 to Ksh42.35.

For an investor who bought shares worth Ksh100,000 at the beginning of August, the investment would have grown to Ksh123,650 by month-end, representing a growth of Ksh23,650.

Also Read: Top 15 Performing Stocks of 2025

6. Carbacid Investments

Carbacid Investments also delivered strong returns, with its share price moving from Ksh35.90 to Ksh43.20.

A Ksh100,000 investment would have been worth Ksh120,334 at the end of the month, translating to a gain of Ksh20,334.

7. I&M Group

I&M Group was also among the top-performing institutions in the banking sector as its share price rose from Ksh68.50 to Ksh79.50.

An investor who put Ksh100,000 into the stock would have seen the investment increase to Ksh116,058, representing a gain of Ksh16,058.

8. Flame Tree Group

Flame Tree Group's share price climbed from Ksh1.87 to Ksh2.16 during the month.

A Ksh100,000 investment would have grown to Ksh115,508, earning the investor a profit of Ksh15,508.

Also Read: Top 10 Most Valuable Companies on the NSE 

9. TotalEnergies Marketing Kenya

TotalEnergies Marketing Kenya’s share price increased from Ksh43.30 to Ksh48.50.

A Ksh100,000 investment would be worth Ksh112,009 at the end of August,  delivering a gain of Ksh12,009.

10. BOC Kenya

Rounding off the list was BOC Kenya, whose share price rose from Ksh176 to Ksh195.50.

An investor who put Ksh100,000 into the stock of the supplier of industrial, medical and special gases at the beginning of August would have seen the investment grow to Ksh111,080, resulting in a capital gain of Ksh11,080.

Also Read: How to Tell When a Share Price on NSE is About to Rise

While these returns for the 10 companies demonstrate the potential gains available in the stock market, investors should remember that share prices can move in both directions. Past performance does not guarantee future returns.

Before investing in any stock, investors should evaluate factors such as a company's financial performance, earnings growth, dividend history, valuation, industry outlook, and overall market risks.