Thanks to Google's 2015 investment in SpaceX, Google parent Alphabet ( NASDAQ:GOOG) ( NASDAQ:GOOGL) now owns a 7.5% stake in SpaceX.

It's true. Jefferies broke out the estimated 2018 revenues for eight "heavy launch" companies in a report on Sunday.

SpaceX logged $2 billion in launch revenue last year, the report said, more than any … It has risen to 45% in recent years, up from less than 10% only 4 years ago. However, that’s just the commercial market—not … SpaceX continued to grow and now the …

SpaceX is now the biggest player in the commercial launch market. According to the chart, SpaceX first achieved significant market share in 2013 with over 5 percent, back when Russia still dominated the launch market.