PennyMac Mortgage Investment Trust is a specialty finance company that invests primarily in residential mortgage loans and mortgage-related assets. The company's operations include activities such as the production and servicing of financial securities based on residential loans and the pooling and reselling of high-credit-quality mortgages. The company operates through four segments: correspondent production, credit-sensitive strategies, interest-rate-sensitive strategies, and corporate activities. The Credit sensitive strategies segment generates income via investments in CRT arrangements, subordinate MBS, distressed loans, and real estate.