Perella Weinberg lists on Nasdaq market amid investment banking boom Merger and acquisition deals worth more than $1.8 trillion have already been announced this year New York-based investment bank Perella Weinberg Partners listed on the Nasdaq market after a merger with a special purpose acquisition company sponsored by finance entrepreneur Betsy Cohen. Bloomberg Bloomberg Jun 29, 2021 The rumours about a Perella Weinberg Partners initial public offering began as early as the year it was founded. Now, 15 years later, the boutique investment bank went public in a way that few would have imagined. After investors approved a deal for the investment bank to merge with a special purpose acquisition company sponsored by finance entrepreneur Betsy Cohen, Perella Weinberg started trading on Friday.