Berkshire Hathaway, the investment company owned by Warren Buffett, continues to reduce its stake in the Chinese electric automaker BYD.

Berkshire sold 2.53 million Hong Kong-listed shares worth $86.3 million, according to a stock exchange filing.

The shares which were sold on June 19, reduced Berkshire's holdings in BYD's shares from 9.21% to 8.98%.

Berkshire has been steadily been selling shares. The company had not sold shares in the automaker before last August.

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Last month, Buffett's company sold nearly 2 million shares, brining his stake to below 10%.

In February, Berkshire sold nearly 95 million of its original 225 million shares, according to a filing with the Hong Kong stock market.

That is in addition to the sale of another 4 million BYD shares.

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Berkshire invested in the company in 2008, paying $232 million for a stake.

BYD sold nearly 1.9 million cars last year including pure electrics, plug-ins and hybrids.

Many investors follow Buffett's investments because of his remarkably successful track record over the years.

Reuters contributed to this report.