Institutional investors purchased a net $701.7 thousand shares of STMP during the quarter ended March 2017, and now own 111.54% of the total float, a percentage that is typical for companies in the Internet Software/Services industry.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
FRED ALGER MANAGEMENT, INC. Bought 387.2 Thousand shares of Stamps.Com Inc