iShares U.S. Aggregate Bond Index Fund Class K (WFBIX) is a Intermediate Core Bond fund with $1.25 Billion in assets. The fund allocates 10.19% of its portfolio to its top 10 holdings. It primarily invests in averagemarketcap cap stocks , with a focus on the cash and equivalents sector.
The largest holding in the fund is BlackRock Cash Funds Instl SL Agency at 6.73% of total assets. This is followed by Federal National Mortgage Association 2.5% (1.14%) and Federal National Mortgage Association 2% (1.19%).