Tesla (NASDAQ: TSLA) CEO Elon Musk Just Dropped USD 1 Billion on His Own Stock

Charlie Youlden Charlie Youlden, September 16, 2025

A Billion-Dollar Bet: What Elon Musk’s Tesla (NASDAQ: TSLA) Share Grab Really Means

Tesla (NASDAQ: TSLA) has never been short on headlines, but the latest one carries a different kind of weight. Elon Musk just bought 2.5 million shares, the first time he has added to his stake since 2020. At a cost of roughly USD 1 billion (AUD 1.5 billion), this is not a token gesture. For investors, insider buying at this scale often signals confidence in the company’s future, especially when it comes from the person steering the ship.

The timing could not be more interesting. Tesla is at a crossroads, with debates swirling around slowing EV demand, rising competition, and questions about profitability. At the same time, the stock has already seen meaningful swings this year, leaving investors wondering whether the next move will be a recovery or another reset.

So what does Musk’s billion-dollar bet really tell us, and how should investors think about Tesla’s position today? 

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Why TLSA Remains a High-Stakes Investment on Elon Musk Himself

Elon Musk’s latest share purchase underscores his commitment to Tesla at a time when the board is preparing for a shareholder vote on a new pay package that could ultimately deliver stock valued at up to USD 1 trillion (AUD 1.5 trillion) over the next decade. 

Musk appears to be looking beyond Tesla’s position as a leader in the electric vehicle industry, particularly as competition from China intensifies. His focus now extends to opportunities in robotics and humanoid robotics, which could significantly expand Tesla’s total addressable market.

For investors, TSLA remains a unique case. The company often trades less on traditional fundamentals and more on sentiment around Musk himself. When optimism is high, the stock can surge dramatically, and when confidence fades, it can fall just as quickly. This dynamic helps explain why Tesla is one of the most volatile names among the megacap technology stocks.

TLSA Investors Face a Market Moved More by Musk Than Metrics

For investors, this development can be viewed as a positive signal, with Elon Musk showing clear confidence in Tesla’s future despite recent controversies. That said, it is important to recognise that Tesla’s share price is often driven more by sentiment around Musk than by traditional fundamentals when compared with other large companies. This makes investor psychology a central factor in any decision to buy or hold the stock.

Another point worth noting is the role of options trading in Tesla’s market activity. A large portion of recent positioning has been through option contracts, with traders effectively betting on sharp moves in the share price. Some of these contracts would only pay out if the stock rose to levels of USD 430 to USD 450 (AUD 655 to AUD 685), underscoring how much of Tesla’s valuation is tied to momentum and market psychology rather than purely to financial metrics.

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