The iShares S&P/Citigroup 1-3 Year Int Trsry brand, founded in 2000 (United States),. iShares S&P/Citigroup 1-3 Year Int Trsry is owned by iShares S&P/Citigroup 1-3 Year Int Trsry, listed on the stock exchange of New York iShares S&P/Citigroup 1-3 Year Int Trsry belongs to the Divers business sector.