Portfolio bond flows to emerging and developing market economies (EDMEs) from multi-sector bond funds (MSBFs) are volatile and highly concentrated, rendering them potentially risky. This paper uses a recent MSBF flows dataset to shed more light on capital flow push and pull factors and to provide new evidence on the effectiveness of capital account tightening measures in reducing volatile MSBF flows. The results show: (i) higher U.S. monetary policy rates and global risk aversion significantly reduce aggregate MSBF flows and those denominated in hard currencies, while stronger global commodity price growth and global liquidity significantly increase them; (ii) global and domestic GDP growth (surprisingly) have a countercyclical impact on MSBF flows during our sample period, and, importantly, (iii) capital account tightening measures that target fixed income investment funds are effective in reducing MSBF flows to EDMEs, especially during periods of increased stress. Together, these results provide new insights into multi-sector bond funds and the importance of designing and implementing targeted capital control measures.