Assenagon Asset Management S.A. 13F: Cuts TMUS Stake by $290M

Assenagon Asset Management S.A. made a heavy reduction in its holdings of T-Mobile US, Inc. (NasdaqGS: TMUS), according to a Form 13F filing with the Securities and Exchange Commission on October 15, 2026. Because 13F filings look backward at the previous quarter, this report reflects the fund's holdings at that time and may not show its current position.

What Changed in Assenagon Asset Management S.A.'s T-Mobile US, Inc. Position

Assenagon Asset Management S.A. cut its position in T-Mobile US, Inc. by 95.1%, selling off 1,780,908 shares during the period. The fund wrapped up the quarter with 92,713 shares remaining in the telecom provider. Those remaining shares had a reported value of about $15.1 million. The move leaves the firm with a much smaller footprint in the stock.

Other Institutional Activity in T-Mobile US, Inc.

Other large institutional investors adjusted their own positions in T-Mobile US, Inc. around the same reporting period. Blackrock Inc. grew its holdings by 383,340 shares, ending with 39,499,642 shares worth about $6,284,393,283. Invesco Ltd. added 646,603 shares to its portfolio, finishing with 31,883,463 shares valued at roughly $5,072,659,157. Vanguard Capital Management LLC trimmed its stake by 365,623 shares, leaving it with 29,359,860 shares worth about $4,671,153,905. Price (T.Rowe) Associates Inc cut a larger portion, shedding 3,011,774 shares to end with 25,481,834 shares valued at roughly $4,054,159,944. Meanwhile, State Street Corporation lifted its holdings by 1,302,189 shares, closing the period with 25,021,478 shares worth about $3,980,917,302.

T-Mobile US, Inc. Stock Up 0.7%

T-Mobile US, Inc. shares recently traded around $158.88 as of October 16, 2026. The stock sits below its 50-day moving average of $173.25 and below its 200-day moving average of $189.48. The company carries a market capitalization of roughly $168.4 billion and a price-to-earnings ratio of 16.4.

Recent Earnings

T-Mobile US, Inc. reported trailing-twelve-month revenue of $92.2 billion alongside trailing earnings of $9.57 per share. The company posted a net profit margin of 11.5% and a return on equity of 18.0%. Its year-over-year revenue growth stood at 7.9%. The company's next earnings report is scheduled for October 28, 2026.

Dividend

T-Mobile US, Inc. rewards shareholders with an annual dividend, sporting a dividend yield of 2.98%. The payout ratio sits at 41.2%, meaning the company uses less than half of its earnings to cover the dividend payout.

Insider Buying and Selling at T-Mobile US, Inc.

Company insiders also made moves in T-Mobile US, Inc. stock. On May 1, 2026, Officer Andre Almeida bought 5,097 shares at an average price of $196.18, totaling about $1,000,016. Later, on May 21, 2026, Chief Operating Officer Jon Freier sold 4,799 shares at $190.00 for a total value of $911,810. Srikant Datar acquired 1,384 shares on June 16, 2026. On September 10, 2026, Officer Daniel James Drobac sold 772 shares at $178.33 for a total of $137,671.

Analysts Set New Price Targets

Wall Street firms have kept a generally positive outlook on the stock. On September 21, 2026, JP Morgan maintained its Overweight rating while lowering its price target from $275.00 to $260.00. Barclays kept an Overweight rating on September 29, 2026, trimming its target from $215.00 to $200.00. Scotiabank maintained a Sector Outperform rating on October 2, 2026, lowering its target to $217.00 from $232.00, and followed up on October 9, 2026, with another target adjustment to $212.00. Raymond James upgraded the stock to an Outperform rating with a $170.00 price target on October 12, 2026. Overall, the stock holds a consensus buy rating with a mean price target of $236.84.

About T-Mobile US, Inc.

T-Mobile US, Inc. provides wireless voice, messaging, and data communication services to residential and business customers across the United States, Puerto Rico, and the U.S. Virgin Islands. The company operates through postpaid and prepaid plans, alongside wholesale network offerings.

Bottom Line

Assenagon Asset Management S.A. scaled back its exposure to T-Mobile US, Inc. significantly during the period. Investors will look toward the company's upcoming earnings release on October 28, 2026, for fresh financial results and management updates. 13F filings capture a snapshot in time and may not reflect current holdings.