However, health insurers do maintain focused long-term investment portfolios to both protect against unanticipated claims incidence and boost corporate returns. Elovitz, Brad L. A pullback can also be seen as a buying opportunity. And, as far as monitoring the investments backing annuities in qualified plans, he says that has not come up as an issue. Simone says if firms securitize assets, the terms are tied to U. Alternatives industry is product, and not solutions, focused. Securities backed by mortgage receivables are called mortgage-backed securities MBS , while those backed by other types of receivables are asset-backed securities ABS.