Может быть в этом причина: вместо желаемых 500 млн. долларов "частная и очень прибыльная компания" привлекла только 273 млн.?

"Earlier this month, privately held SpaceX said it raised about $273 million in equity and other securities in an offering that sought to raise about $500 million, according to a filing with the Securities and Exchange Commission."

https://www.latimes.com/business/la-fi-spacex-layoffs-20190111-story.html