M&A wrap: Corsair, Blackstone, Goldman Sachs, Seabury, McAfee, Wynnchurch, Audax, Coronavirus

Corsair Capital raises fifth fund. Blackstone buys student housing business from Goldman Sachs. Seabury forms new aircraft financing division through acquisition. Audax, HarbourVest and Genstar ranked as the top three most active private equity firms in 2019, based on the volume of completed deals in the U.S.