Bank of Baroda (BoB) has shifted securities worth Rs 6,174 crore from available for sale (AFS) category to held to maturity (HTM) category in the first quarter ended June 2005 as part of its strategy to manage interest rate risk.The state-owned bank had shifted securities worth Rs 8,416 crore in Fabruary-March 2004."Post shifting, around 43% portfolio is now under HTM category," an official release said today.