This paper shows that firms engage in less M&A activity when they have large public pension fund (PPF) owners. For example, the presence of a 5% PPF blockholder reduces the frequency of acquisitions by about 7%. An extra 3% in ownership by the top PPF owner reduces the size of acquisition...

This paper shows that the presence of large public pension fund shareholders particularly reduces acquisitions by cash-rich and low-q firms, and by firms seeking to ``buy growth'', after controlling for ownership endogeneity, firm-level governance structure, and other firm characteristics. When...