SurveyMonkey has filed to go public on the Nasdaq, according to an Aug. 29 SEC filing. The company did not reveal how many shares it would sell or their price. That will come in future filings. Tiger Global owns about 29 percent of the company while a Sheryl Sandberg Revocable Trust has nearly 10 percent, the filing said. Spectrum Equity has 8.4 percent. SurveyMonkey, of San Mateo, California, provides software that allows businesses to poll their employees and customers.