A slew of new IPOs across Europe are sparking hopes of a broader wave of public debuts in the region, despite continued private market appetite among investors.

A number of firms — ranging from fintech to defense, and software to energy — have either recently floated or are rumored to be eyeing an IPO in Europe.

Last week, Aumovio , the auto-parts supplier spun out from Continental, listed on the Frankfurt Stock Exchange, for example, and Swiss Marketplace Group floated its shares on the Swiss Stock Exchange.

"The September IPO activity is the quarter's standout story, with issuers and private equity viewing the product as a viable exit route again in Europe," said Phil Drake, head of U.K. equity capital markets at Bank of America in London.

"We're as busy as we've been in th

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