What is the portfolio overlap between VGT and VO?
VGT (Vanguard Information Technology Index Fund) and VO (Vanguard Mid-Cap Index Fund) share 9.9% portfolio overlap as of VGT's May 31, 2026 filing and VO's March 31, 2026 filing, across 42 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 VGT and VO 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 VGT and VO?
The most prominent shared holdings (by combined weight) are: STX, WDC, GLW. See the full common-holdings table on this page for weights in each fund.