Months before the subprime mortgage crisis began to take a toll on banks, financial services companies and even public pension funds, General Treasurer Frank Caprio began taking steps to reduce risk in Rhode Island’s pension portfolio by minimizing exposure to asset backed securities. From his first days in office, Caprio and his investment management team launched a comprehensive assessment of the state pension portfolio and the state’s short-term investments with a specific focus on their exposure to collateralized debt obligations (CDOs), structured investment vehicles (SIVs), and other asset-backed securities.