What is the portfolio overlap between QQQM and VIIIX?
QQQM (Invesco NASDAQ 100 ETF) and VIIIX (Vanguard Institutional Index Fund) share 51.0% portfolio overlap as of QQQM's May 31, 2026 filing and VIIIX's March 31, 2026 filing, across 88 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 QQQM and VIIIX invest in the same stocks?
Largely yes. A substantial portion of both portfolios consists of the same stocks, leaving limited room for differentiation.
What are the top stocks held by both QQQM and VIIIX?
The most prominent shared holdings (by combined weight) are: NVDA, AAPL, MSFT. See the full common-holdings table on this page for weights in each fund.