“We think that it probably didn’t matter much during the holidays, but as the government shutdown continues into 2019, a backlog is building that will delay the IPO process for companies of all sizes, including the large tech deals such as Uber, Lyft, Slack, Pinterest, etc., that are on file confidentially,” said Smith. Timothy Kviz, national assurance managing partner for SEC services at BDO, agreed. “Until the government reopens and the SEC resumes work, there won’t be any deals,” he said. “They will need to clear the backlog and then start processing.”

https://www.barrons.com/articles/uber-and-lyft-ipos-could-be-delayed-by-the-government-shutdown-51547223934?refsec=markets