Ken Fisher acquired 4.05 Million BlackRock Institutional Trust Company N.A. - iShares National Muni Bond ETF shares worth $431 Million. That's 0.22% of their equity portfolio (96th largest holding). The investor owns 16695.64% of the outstanding BlackRock Institutional Trust Company N.A. - iShares National Muni Bond ETF stock. The first BlackRock Institutional Trust Company N.A. - iShares National Muni Bond ETF trade was made in Q4 2014. Since then Ken Fisher bought shares 32 more times and sold shares on three occasions. The investor's estimated purchase price is $449 Million, resulting in a loss of 4.0%.