Tesla invests USD2 billion in Elon Musk’s xAI cash furnace
Tesla disclosed in its Q4 2025 earnings report that it has invested USD2 billion in xAI, Elon Musk’s private AI company. The investment comes while Tesla shareholders are actively suing Musk for breach of fiduciary duty over his founding of xAI in the first place.
You can’t make this up.
The investment
Buried in Tesla’s Q4 shareholder update, the company revealed:
On Jan 16, 2026, Tesla entered into an agreement to invest approximately USD2 billion to acquire shares of Series E Preferred Stock of xAI as part of their recent publicly-disclosed financing round. Tesla’s investment was made on market terms consistent with those previously agreed to by other investors in the financing round.
xAI announced earlier this month that it raised USD20 billion in its Series E round, valuing the company at approximately USD230 billion. Tesla’s USD2 billion represents 10% of that round, but less than 1% of the company.
Other investors in the round included Nvidia, Cisco, Qatar’s sovereign wealth fund, and Fidelity.
Tesla justified the investment by referencing “Master Plan Part IV,” claiming the company is “building products and services that bring AI into the physical world” while xAI develops “leading digital AI products and services, such as its large language model (Grok).”
The automaker added:
In that context, and as part of Tesla’s broader strategy under Master Plan Part IV, Tesla and xAI also entered into a framework agreement in connection with the investment. Among other things, the framework agreement builds upon the existing relationship between Tesla and xAI by providing a framework for evaluating potential AI collaborations between the companies. Together, the investment and the related framework agreement are intended to enhance Tesla’s ability to develop and deploy AI products and services into the physical world at scale. This investment is subject to customary regulatory conditions with the expectation to close in Q1’2026.
Elon Musk had previously claimed that Tesla didn’t need xAI to build AI products.
The lawsuit problem
Here’s where it gets uncomfortable for Tesla’s board.
Tesla shareholders filed a lawsuit against Musk in Jun 2024 alleging breach of fiduciary duty over his founding of xAI. The core argument? Musk diverted AI resources, talent, and opportunities that belonged to Tesla to his private company instead.
The lawsuit points to a critical fact: when Musk left OpenAI’s board in 2018, he cited a “conflict of interest” with Tesla’s own AI efforts. He then built Tesla’s AI team, including the development of the Dojo supercomputer and FSD neural networks.
But after selling billions in Tesla shares to acquire Twitter and seeing his ownership stake fall below 20%, Musk started xAI, taking the AI ambitions he previously said belonged at Tesla and putting them in a company he fully controls.
The shareholders are asking the court to force Musk to transfer his xAI ownership to Tesla.
Now, instead of waiting for the court to rule, Tesla is using shareholder money to invest in the very company at the centre of the lawsuit.
The conflict isn’t theoretical. We’ve documented multiple cases of Tesla AI engineers being poached by xAI. These are people Tesla shareholders paid to train and develop, now working for Musk’s private company.
Furthermore, xAI is reportedly burning through USD1 billion a month trying to compete with frontier models from OpenAI, Google, Anthropic, and now Chinese models, which are way cheaper.
Electrek’s Take
Let’s be very clear about what happened here.
Elon Musk:
1. Built an AI team at Tesla using Tesla shareholder money
2. Claimed a “conflict of interest” with Tesla as his reason for leaving OpenAI
3. Started xAI after his Tesla ownership stake fell, over his own dumb decision to over pay for Twitter, taking the AI effort to a company he controls outright
4. Is now having Tesla, the company he’s accused of stealing from, invest USD2 billion in xAI
The circular logic is breathtaking. Tesla shareholders are suing Musk because he took AI resources from Tesla to xAI. The resolution? Have Tesla pay USD2 billion to xAI.
This is the equivalent of someone being accused of stealing your car, and then you paying them for a ride.
Tesla’s statement that the investment was made “on market terms consistent with those previously agreed to by other investors” is meant to reassure shareholders this wasn’t a sweetheart deal. But the bigger question isn’t whether Tesla got a fair price, it’s whether Tesla should be investing in Musk’s private ventures at all while he’s being sued for conflicts of interest.
A truly independent board would have waited for the lawsuit to resolve before committing USD2 billion in shareholder capital to the company at the centre of the litigation. Instead, Tesla’s board approved the investment while the case is ongoing.
Strange times.
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The Golden goose : it's unreal that Elon is able to manipulate his stock prices the way he does.. CNBC just had an article that Tesla sold 450M of megapack backup batteries to xAI.. remember the margins from energy storage solutions... selling to an affiliate company is illegal.. technically, though, neither companies are under the same umbrella corp.. but ownership.. now that's a fine **.
TheAussieDude The Golden goose : From which company do you think xAI should buy their Energy storage solution from? You are just a hater trying to muddy the waters. I'm sure xAI got a great deal.
TheAussieDude The Golden goose : So, are u investing in Tesla? If not, then it shouldn't concern you at all, and if so, then just be thankful you have a great leader. Maybe you're just jealous of all of Elon's achievements. Boo hoo!
bullrider_21 OP TheAussieDude : xAI is burning many billions of dollars. Tesla investing in xAI means that Tesla will help pay for the cash burn.
bullrider_21 OP TheAussieDude : I'm not jealous of his achievements. I'm jealous of his promises which he failed to deliver.
MooMamaLlama : It's truly breathtaking, really. You'd think they'd have learnt from Twitter... Ppl still believe he is a genius, but now he's honestly drunk on his own ego and think the rules do not apply. We'll hear the same old cries from Tesla shareholders soon 'how could he do this, he lied to us'
blows my mind this was even possible!!
bullrider_21 OP MooMamaLlama : Musk have been lying for so many years already. But Tesla bulls still believe in him as Tesla is a cult stock.
The Golden goose TheAussieDude : lol xAI is burning cash like there's no tomorrow.. good deal? NAH it's probably way over market price.. let the auditors sort that out. it's a win for Tesla with the higher margins, for xAI it's the costs of a startup and guess what, it can be capitalized, what that means for the nonfinance blokes, instead of taking the hit in 1 yrs, they can depreciate it over say 40 yrs depending of asset classification.
He is full of lies and false promises.
The Golden goose TheAussieDude : do you think my posts here sways the stock price lol... it's just to educate you morons. the only ppl that move this stock price are the market makers and institutional investors, at least for major stock such as tesla. the algorithms and those blokes dominate any retail investor impact. retailers affect are felt in meme and thinly traded stocks mostly.