Thomas Weisel Partners completed 20 investment banking transactions in the first quarter of 2006 to more than double its investment banking revenue compared to the previous year.

In its first results announcement as a listed company, Thomas Weisel said it had increased its investment banking revenues to $36.5m (€28.7m), a 30% increase from the fourth quarter in 2005 and a 124% improvement compared to the corresponding quarter last year.