SPDR Blackstone/GSO Senior Loan ETF (NYSArca: SRLN)
AUM as of Nov. 8: $554.6 million
2013 growth: $479 million
Comment: SRLN, an actively managed senior floating rate bank loan ETF, has attracted about $479 million in assets since it began trading in April. The SPDR Senior Loan ETF provides investors with another high-yield bond option, with a floating rate component that helps mitigate the negative effects of rising rates.