Zoetis (NYSE: ZTS) and Twitter are IPO’s two largest holdings, each accounting for just over 10% of the ETF’s weight.

First Trust has filed plans for the First Trust International IPO ETF, which will track the IPOX International Index. That ETF is expected to debut on Oct. 8 on the NASDAQ Stock Market under the ticker “FPXI.” Alibaba is eligible for inclusion in the IPOX International Index.

First Trust US IPO Index Fund

Tom Lydon’s clients own shares of Facebook.