iShares Short-Term National Muni Bond ETF (NYSEARCA:SUB – Get Free Report) was the target of a large growth in short interest during the month of January. Janney Montgomery Scott LLC grew its position in iShares Short-Term National Muni Bond ETF by 48.2% in the 2nd quarter. Get iShares Short-Term National Muni Bond ETF alerts:iShares Short-Term National Muni Bond ETF Stock Up 0.0%Shares of NYSEARCA:SUB traded up $0.05 during mid-day trading on Wednesday, hitting $107.26. iShares Short-Term National Muni Bond ETF Company ProfileiShares 2016 AMT-Free Muni Term ETF, formerly iShares S&P Short Term National AMT-Free Municipal Bond Fund (the Fund), is an exchange-traded fund. Recommended StoriesReceive News & Ratings for iShares Short-Term National Muni Bond ETF Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for iShares Short-Term National Muni Bond ETF and related companies with MarketBeat.com's FREE daily email newsletter.