What is the portfolio overlap between IJH and VIIIX?
IJH (iShares Core S&P Mid-Cap ETF) and VIIIX (Vanguard Institutional Index Fund) share 0.0% portfolio overlap as of their March 31, 2026 filings, across 0 common stocks. Overlap is the sum of the smaller weight of each shared stock, so it reads as the share of a dollar that lands on the same companies in both funds.
Do IJH and VIIIX invest in the same stocks?
Mostly not. Only a small portion of their portfolios overlaps — these funds hold largely different stocks and genuinely diversify each other.
What are the top stocks held by both IJH and VIIIX?
The most prominent shared holdings (by combined weight) are: none found. See the full common-holdings table on this page for weights in each fund.