You can assume its BYD by comparing the fair values in the 2015 and 2016 10-K and see that they closely align with BYD share price.
From the latest 10-K
So we know they spent $5,013,000 since the cost went up. If you look at end price and it is in fact BYD then they bought 929,224 shares at $5.39 a share. It looks like purchased those around Dec 2016/Jan 2017. (just looking at closing prices). So an increase of 19%. BYD is 25% of their portfolio as of 9/30/2017.