Picking 401k contributions

[bosspross]

Recently the company I work for changed their 401k plans. Currently I am allocating my 401 to be VFIAX which tracks the S&P 500. The have added new plans and I was hoping to get some feedback on them. They are as follows:

VVIAX (Large value)
VIGAX (Large Growth)
VIMAX (Mid cap blend)
VSMAX (Small blend)

I am having a hard time telling the difference between them besides what I wrote in parenthesizes. Would anyone be able to provide feedback on my choices and tell me which one would be closest to a total stock index?

Edited: The expense ratios for all of them are at .08% except VFIAX which is .05%.

[dandarc]

Expense ratios?

If you wanted small / mid cap exposure, then VIMAX and VSMAX would be useful.  VVIAX and VIGAX combined are pretty much the VFIAX that you have now, so unless you have a strong desire to tilt towards value, I wouldn't bother with those.

[NoStacheOhio]

If you want the equivalent of VTSAX, it's the fifth box down: https://www.bogleheads.org/wiki/Approximating_total_stock_market

Otherwise, carry on with the 500 fund.

[bosspross]

Thank you, that was exactly what I was looking for ohiostache