SpaceX filing: X's ad revenue was $1.8B in 2025, $1.7B in 2024, and $2.3B in 2023, below Twitter's $4B in 2021; X and Grok now have 6.3M active paid subscribers... (opens in new tab)

Alex Weprin / : — SpaceX's IPO filing reveals ad revenue for X is still below what it was when Musk acquired Twitter, but it is growing again.