Berkshire Hathaway's annual meeting has marked a milestone this year, with Warren Buffett's 50th year of controlling the massive conglomerate.

The 84-year-old Buffett is still hoping to grow his company through acquisitions and hasn't given any indication of retiring anytime soon.

In his fifty years at the command, a lot of Berkshire shareholders have become millionaires. They are devoted admirers of Buffett. TheStreet's Rhonda Schaffler talked with shareholders regarding their views of the billionaire known as The Oracle of Omaha.

On Friday, Warren Buffett's company said that its first-quarter profit has jumped 10% on the strength of its railroad and insurance businesses.

During the first three months of 2015, Berkshire Hathaway Inc. has earned $5.16 billion, or $3,143 per Class A share. That's up from $4.71 billion, or $2,862 per Class A share, a year ago.

Most of the major Berkshire subsidiaries performed very well. Its revenue has also shown 7% growth to $48.6 billion.

After recovering from last year's service problems, Berkshire's Burlington Northern Santa Fe railroad has generated $1.045 billion net income, up from $724 million. Previous year, the railroad faced severe winter weather and a backlog of shipments in many states.

Over 40,000 people are expected at the Berkshire Hathaway annual meeting, which will be marking Buffett's 50th year leading the company.

1965's $10,000 investment in Berkshire Hathaway would have been worth $182.6 million at the end of previous year.

The shares closed higher by $2,400, or 1.1% to close Friday at $215,800 before the release of the earnings report.