CRSP Count™ Quarterly Update – March 2024

“Antti Petajisto contributed to the literature on the risks of concentrated positions with his June 2023 study, “Underperformance of Concentrated Stock Positions.” His data sample was from CRSP and covered

In this article on private equity’s quest for IPO alternatives, Bloomberg notes, “The number of public companies in the US has almost halved since it peaked at around 7,500 in

“In the boom years of the 1950s, the 10 biggest companies, including AT&T, DuPont, and General Motors, regularly exceeded 30% of the value of all U.S. stocks. In July 1955,