Track system developer Gravitics Holdings (GVTX.US) applies for a US stock IPO, planning to raise $125 million.

According to the financial news app, Gravitics Holdings (GVTX.US), which focuses on the research and development of large space structures and orbital systems, submitted an IPO filing to the U.S. Securities and Exchange Commission (SEC) on Monday, July 20th, planning to raise up to $125 million in funds.