Senior man working in life science laboratory 2021 08 29 23 04 38 utcA year marked mostly by biopharma mergers and acquisitions (M&A) in the hundreds of millions of dollars could end with a blockbuster, depending how far Horizon Therapeutics (HZNP) gets, and how quickly its talks with a trio of potential suitors, all of them being corporate giants.

Horizon shares jumped 27% from $78.76 to $100.29 on Wednesday, the first trading day after the company announced that it was in M&A talks with Amgen (AMGN), Johnson & Johnson (JNJ)’s Janssen Global Services, and Sanofi (SAN, SNY), confirming a report in The Wall Street Journal.