Deutsche Telekom Eyes Full T-Mobile Tie-Up

TL;DR

Deutsche Telekom: Deutsche Telekom is considering a full combination with its U.S. subsidiary T-Mobile to form a multinational telecom group.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)
53% Stake: Deutsche Telekom holds roughly 53% of T-Mobile and is discussing a new holding company for a stock bid on both companies' shares.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)
Mega Deal Potential: The move would be the largest-ever public M&A deal, according to people familiar with the private discussions.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

The story at a glance

Deutsche Telekom AG is weighing a full combination with T-Mobile US Inc., its U.S. arm where it owns about 53%.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile) The plan under discussion involves a new holding company launching a stock bid for shares in both firms, people with knowledge say.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile) This is being reported now amid early-stage talks that remain private and unconfirmed by the companies.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

Key points

Deutsche Telekom's consideration would create a multinational telecom group under one structure.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)
The German firm already controls T-Mobile with a roughly 53% stake.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)
Discussions center on a new holding company making a stock bid for outstanding shares of both Deutsche Telekom and T-Mobile.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)
People familiar asked for anonymity because the matter is private; companies have not commented publicly.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)
Such a deal would rank as the largest public M&A transaction ever.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

Details and context

The article reports early exploratory talks based on anonymous sources, with no details on timelines, valuations, or regulatory paths disclosed in the visible content.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

Deutsche Telekom has held a controlling stake in T-Mobile for years, reaching majority ownership around 2023 after prior dilutions from deals like the Sprint merger.[[2]](https://www.reuters.com/business/media-telecom/deutsche-telekom-reaches-majority-stake-t-mobile-us-ceo-2023-04-05)

No other major outlets have published matching details on this specific full-combination idea as of April 21, 2026, making the Bloomberg report the primary source.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

Why it matters

A full combination could reshape Deutsche Telekom into a unified transatlantic telecom giant, streamlining operations across Europe and the U.S.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile) Investors in either stock would face a potential stock swap affecting ownership and valuations, while regulators might scrutinize market power in wireless services. Watch for official statements or leaks on deal structure, as talks are preliminary and could end without progress.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

FAQ

Q: What structure is under discussion for the combination?

A: People familiar say Deutsche Telekom is discussing a new holding company that would make a stock bid for shares of both Deutsche Telekom and T-Mobile. The goal is a full multinational telecom group. No further mechanics are detailed.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

Q: What stake does Deutsche Telekom hold in T-Mobile?

A: Roughly 53%, making it the largest shareholder already. This control underpins the talks for full integration.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

Q: How certain is this reported plan?

A: It comes from anonymous people with knowledge, who spoke privately. Deutsche Telekom has not confirmed, and talks may not advance.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

Q: What would make this deal historic?

A: It would be the largest-ever public M&A transaction, per sources, due to the combined scale of the two firms.[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)

[[1]](https://www.bloomberg.com/news/articles/2026-04-21/deutsche-telekom-weighs-full-combination-with-t-mobile)