Can I replicate TSM with SP500, SP400 and Russell 2000?

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Topic Author
golfallday
Posts: 118
Joined: Sat Feb 14, 2009 3:43 am
Location: College Point, NY

Can I replicate TSM with SP500, SP400 and Russell 2000?

Post by golfallday »

My 457 plan recently added very low cost Northern Trust Index funds that track SP400 Index and Russell 2000 Index. I already use VIIIX as my sole equity holding in this plan. Can I replicate the Total US Stock Market with these 3 funds? What weighting? I tried searching the boards for the answer and came up empty. Thanks for the help, and I'm sorry for the trouble if this has been answered before.
Topic Author
golfallday
Posts: 118
Joined: Sat Feb 14, 2009 3:43 am
Location: College Point, NY

Re: Can I replicate TSM with SP500, SP400 and Russell 2000?

Post by golfallday »

Never mind, I found it on Bogleheads Wiki "Approximating Total Stock Market". The recommendation is TSM = 86% SP500 + 14% Russell 2000. No parking spot for the SP400. Interesting. Oh well, thanks anyway. I suspect it's difficult to Frankenstein the TSM with funds that track competing indices (SP, MSCI, Russell, and perhaps Dow Jones).
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