Sonos Inc., the smart home sound system company, filed Friday to go public. The company has applied to be listed on the Nasdaq Global Select Market under the ticker symbol "SONO." The company said it plans to raise up to $100 million in the initial public offering, but that amount was estimated as a placeholder amount. The company reported a net loss of $14.2 million in fiscal 2017, which ended Sept. 30, 2017, compared with a loss of $38.2 million in fiscal 2016 and a loss of $68.8 million in 2015. Revenue increased to $992.5 million in fiscal 2017 from $901.3 million in 2016, and from $843.5 million in 2015. The lead underwriters of the IPO are Morgan Stanely, Goldmans Sachs and Allen & Co. The company is looking to go public at a time that the Renaissance IPO ETF has gained 6.3% over the past three months and the S&P 500 has tacked on 5.1%.