Fidelity Extended Market Index Fund (FSMAX) - Mid-Cap Blend fund with $43.48 Billion in assets. The fund allocates 12.77% 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 Fidelity Securities Lending Cash Central Fund at 5.53% of total assets. This is followed by MARVELL TECHNOLOGY INC (0.90%) and PALANTIR TECHNOLOGIES INC (0.89%).