T-Mobile US Drops 3.92% as SoftBank, Deutsche Telekom Sell Shares

On June 17, 2025, T-Mobile US experienced a 3.92% drop in pre-market trading, reflecting investor sentiment amidst recent developments.

SoftBank Group, a significant shareholder in T-Mobile US, has been actively selling its shares to raise funds for its ambitious AI initiatives. The Japanese tech giant sold 21.5 million shares at a price range of $224 to $228 per share, which is a 3% discount to T-Mobile's closing price on June 16, 2025. This move is part of SoftBank's broader strategy to invest heavily in AI, including a potential $300 billion investment in OpenAI and significant infrastructure investments globally.

Deutsche Telekom, another major shareholder, has also been selling its T-Mobile US shares. On June 12, 13, and 16, 2025, Deutsche Telekom sold a total of 209,520 shares at an average price of $228.96. These sales are part of a broader trend of insider selling, which can sometimes signal a shift in market sentiment or strategic realignments within the company.