Javelin Mortgage Investment Corp., an ARMOUR-managed REIT newly formed to acquire mortgage-related assets, filed on Tuesday with the SEC to raise up to $115 million in an initial public offering. The Vero Beach , FL-based company plans to list on the NYSE under the symbol JMI. Deutsche Bank Securities, Citi, Barclays and Credit Suisse are the joint bookrunners on the deal. No pricing terms were disclosed.