Market Chatter: AstraZeneca, Bristol Myers Squibb Reportedly Not Discussing Merger

08:53 AM EDT, 08/05/2026 (MT Newswires) -- AstraZeneca (AZN.L, AZN.ST) and Bristol Myers Squibb (BRM.F, BMYS.VI) are not discussing a potential merger, Reuters reported Wednesday, citing a senior source close to the matter. Several media outlets recently reported that the drugmakers have held preliminary talks for a potential $400 billion merger. The source told Reuters that there was never any deal under consideration. AstraZeneca and Bristol Myers Squibb did not immediately respond to requests for comment from MT Newswires. (Market Chatter news is derived from conversations with market professionals globally. This information is believed to be from reliable sources but may include rumor and speculation. Accuracy is not guaranteed.)