The cumulative value of SpaceX, Neuralink, the Boring Company, and xAI has shot up 45% on private markets since last November, according to data provided to Fortune by secondary market trading platform Caplight . Musk's social media company X was not factored into the calculation because of a lack of interest from investors on the secondary market.

Kimbal Musk, the brother of Tesla CEO Elon Musk, has been offloading shares of Tesla in recent months just as the stock has made a massive retreat from all-time highs. The electric vehicle maker, however briefly, had been among the select group of trillion-dollar companies following the stock’s post-U.S. presidential election surge.

Elon Musk's Tesla stock value took another hit Thursday, despite Tuesday's "Trump Bump" at the White House. The U.S. president showcased the billionaire and top DOGE adviser's EVs on the front lawn. The move was widely seen as an effort to boost Tesla's bottom line.

"As a traditional investor, it doesn't fit any valuation system that makes any sense compared to any other stock," Ross Gerber said of Tesla.

Tesla (TSLA) took a brutal hit this past week, plunging 15% in a single day, one of its worst performances since going public. The drop erased

In an unsigned letter, Tesla encourages trade representative to reconsider tariffs, saying they could hurt U.S.-based car manufacturers.

SpaceX and Tesla — have submitted letters lobbying the U.S. trade representative on Trump administration tariff policies. The letters come as Musk oversees an effort to slash federal government spending and employee headcount at the behest of President Donald Trump.