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Exclusive-‘No discussions’ over AstraZeneca-Bristol Myers deal, senior source says

By Thomson Reuters Aug 5, 2026 | 7:08 AM

By Maggie Fick and Sabrina Valle

Aug 5 (Reuters) – There are “no discussions” ongoing between AstraZeneca and Bristol Myers ​Squibb over a potential deal, ‌a senior source close to the matter told Reuters on Wednesday, quashing the prospect of a mooted mega merger between the drugmakers.

“There ‌is ​no deal between ⁠AstraZeneca and BMS. There ⁠never was a deal to be done, and there are no discussions between the companies,” said the source, ​speaking on condition of anonymity.

AstraZeneca and Bristol Myers Squibb both declined ⁠to comment in response ⁠to emailed questions from Reuters.

On ​Sunday Reuters reported, citing a person familiar ​with the situation, that the two ‌drugmakers had held preliminary talks about a possible deal that would create a pharmaceutical behemoth with a combined ⁠value of nearly $400 billion.

Reuters was unable to ascertain at that time if the discussions remained ⁠ongoing.

The ‌Financial Times first reported news ⁠of the talks.

AstraZeneca shares slid ​around ‌9% after the reports of ​the deal ⁠talks, while Bristol Myers shares had held more steady.

(Reporting by Maggie Fick and Sabrina Valle; Additional reporting by Amy-Jo Crowley; Editing by Adam Jourdan and ​Jan Harvey)