Private Company Edition: Two companies raised multiple hundreds of millions of dollars each helping to keep the number of $100m-plus venture capital mega-rounds on the rise in May. Also, Ascend raised $132.5m to make gene and cell therapies, and Nido emerged with $109m for neurological diseases.

Private Company Edition: Flagship’s Pioneering Medicines initiative and the firm’s portfolio companies will deliver cystic fibrosis drug candidates. Also, recent venture capital financings include cloud technology firm Saama’s $430m round and Shoreline’s $140m in new funding.