Elon Musk’s other companies are the biggest buyers of the Tesla Cybertruck (TSLA:NASDAQ)

The Tesla (TSLA) Cybertruck has seen a boost from Elon Musk’s other companies, according to tracking by S&P Global Mobility. Notably, without sales to Elon Musk-led companies, Cybertruck registrations in Q4 would have fallen 51%.

SpaceX (SPACE) accounted for