Many investors have turned to emerging market bonds seeking higher returns in the current low interest rate environment. This raises a natural question about the potential for financial instability if investors choose to sell off those bonds quickly. Studying how changes in foreign holdings of Mexican government bonds known as bonos affected their liquidity premiums provides an assessment of the risks and benefits from foreign investment in an emerging economy. Results show that the larger foreign market share of Mexican sovereign bonds tends to increase their liquidity risk premium.