PennyMac Mortgage Investment Trust (PMT) functions as a specialized financial firm, concentrating its investments primarily on mortgage-related assets within the United States. The company operates through several key divisions: Its Credit Sensitive Strategies segment channels capital into various instruments, including credit risk transfer (CRT) agreements and securities, distressed loans, real estate holdings, and non-agency subordinated bonds. The Interest Rate Sensitive Strategies segment focuses on investments such as mortgage servicing rights, excess servicing spreads, and both agency and senior non-agency mortgage-backed securities (MBS), while also undertaking related interest rate hedging activities.