In Q2 2019, Audit Analytics says the Big Four firms audited 67.1% of the US initial public offering (IPO) market with Deloitte responsible for 21.5%, EY 20.3%, PwC 13.9% and KPMG 11.4% by number of clients. Deloitte audited 17 IPO clients, who raised $7.9bn while PwC’s 11 audit clients raised a combined total of $10bn.

The biggest IPO in the US market in Q2 2019 was Uber Technologies, audited by PwC, which raised $8.1bn and also ranks as the sixth biggest IPO since 2000.

Among non-Big Four firms, Marcum had eight IPO audit clients that raised an aggregate of $2.1bn, the highest in terms of both IPO count and gross proceeds. Withum and Friedman followed Marcum with three IPO audit clients each, raising $700m and $34.7m, respectively.

There were 79 initial public offerings in US markets in Q2 2019 in total, raising more than $32.7bn, the highest amount raised in one quarter in the last five years and the highest amount of all second quarters since 2000.