Ken Griffin's position in BlackRock Institutional Trust Company N.A. - iShares S&P GSCI Commodity-Indexed Trust is currently worth $56.2 Thousand. That's 0.00% of their equity portfolio (4250th largest holding). The first BlackRock Institutional Trust Company N.A. - iShares S&P GSCI Commodity-Indexed Trust trade was made in Q1 2014. Since then Ken Griffin bought shares 34 more times and sold shares on 37 occasions. The stake costed the investor $39.7 Thousand, netting the investor a gain of 41% so far.