Bernstein Downgrades Deutsche Telekom on T-Mobile US Risks, Names BT Top Pick

Bernstein downgraded Deutsche Telekom to “market-perform” from “outperform” on Wednesday, citing significant uncertainties surrounding its majority-owned U.S. subsidiary, T-Mobile US. The investment firm also slashed its price target for the German telecom giant to €28.10 from a previous €37.

T-Mobile Merger and German Headwinds

Bernstein's downgrade centers on the potential risks of a full combination between Deutsche Telekom and T-Mobile US. Analysts questioned whether such a deal would generate enough industrial synergies to be worthwhile for shareholders.

The firm's note highlighted several key concerns for investors:

• Shareholder Dilution: A takeover involving a 20% premium for T-Mobile US minority shareholders would dilute existing Deutsche Telekom shareholders by an estimated 11%.
• Stock Overhang: Former T-Mobile US shareholders would own approximately 42% of the combined entity, creating potential "flow-back pressure" on the stock.
• Domestic Competition: In its home market, Deutsche Telekom faces intensifying pressure from alternative fiber operators. The company's German broadband revenue growth slowed to 1.7% year-on-year in the first half of 2026, a sharp drop from 4.5% in the second half of 2023, according to Bernstein.

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These concerns are compounded by a neutral stance on T-Mobile US from Bernstein's own U.S. team, which rates the stock “market-perform.” They pointed to questions over its long-term growth, the capital required for fiber expansion, and its exposure to the fixed-wireless access market. The T-Mobile US stake is a critical driver for its parent, representing about 64% of Deutsche Telekom’s market capitalization.

BT Group Upgraded to Top Pick

In a contrasting move, Bernstein named BT Group its top pick among European telecom stocks, reiterating its “outperform” rating and raising its price target to 235 pence from 230 pence. The firm believes the British operator is shifting from a period of structural decline toward stabilization and cash-flow growth.

Analysts see a positive outlook for BT driven by a simpler portfolio and improving trends at its Openreach network division, where line losses are reportedly plateauing. Bernstein noted that BT is also nearing the end of a major fiber investment cycle, which should allow for improved cash flow as capital expenditures normalize.