Weekly reporting municipal bond mutual funds had a net inflow of $881 million during the period ending May 7, AMG Data Services reported.
The results were up from a $478 million inflow the previous week, and represent the largest net inflows to the sector since Feb. 8, 2006, and the 16th inflow in the last 17 weeks, according to the Arcata, Calif.-based fund tracker. The category represents about 73% of all muni bond funds because it excludes those that report monthly.
The four-week moving average for all muni bond funds - which includes the monthly reporters - rose to a $1.15 billion inflow from a $938.8 million inflow.
Taxable bond funds that report weekly had a $2.6 billion net inflow after a $1.6 billion inflow the week before.
Weekly reporting equity funds had an inflow of $1.5 billion following a $3.6 billion outflow the previous week.