Short Interest in iShares ESG Aware USD Corporate Bond ETF Surges in March Short interest in the iShares ESG Aware USD Corporate Bond ETF (SUSC) jumped 45% in March, totaling 141,100 shares by month-end. Despite this, the ETF’s dividend was recently raised to $0.084 per share monthly, offering a 4.44% yield. The fund’s price has remained relatively stable within its 12-month range.45