Fidelity Extended Market Index Fund (FSMAX) - Mid-Cap Blend fund with $40.07 Billion in assets. The fund allocates 13.92% 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 5.49% of total assets. This is followed by MARVELL TECHNOLOGY INC (2.16%) and PALANTIR TECHNOLOGIES INC (0.89%).