Institutional investors purchased a net $397.8 thousand shares of STMP during the quarter ended December 2013, and now own 83.27% 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
QUOTIENT INVESTORS LLC Bought 17.7 Thousand shares of Stamps.com Inc
CREATIVE PLANNING, INC. Sold 100.00 shares of Stamps.com Inc
MAZAMA CAPITAL MANAGEMENT, INC. Sold 2.1 Thousand shares of Stamps.com Inc