ETF and Mutual Fund Analysis

Holdings as of May 31, 2026 (QQQM) and March 31, 2026 (VIIIX)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > QQQM vs VIIIX Holdings as of May 31, 2026 (QQQM) and March 31, 2026 (VIIIX)

QQQM vs VIIIX: Portfolio Overlap

Invesco NASDAQ 100 ETF vs Vanguard Institutional Index Fund

51.0%
Weighted portfolio overlap
High Overlap

The two funds are running highly redundant strategies — the same market exposure is paid for through two expense ratios.

QQQM
101 equity holdings
as of May 31, 2026
VIIIX
503 equity holdings
as of March 31, 2026
88 stocks held in common
Overlap View Venn Diagram
51.0% OVERLAP QQQM VIIIX
Overlapping Holdings
10 Top 10 of 88 shared, by overlap contribution
# Stock QQQM VIIIX Overlap%
1
NVDA
8.16% 7.60% 7.60%
2
AAPL
7.29% 6.68% 6.68%
3
MSFT
5.32% 4.93% 4.93%
4
AMZN
4.62% 3.65% 3.65%
5
GOOGL
3.52% 3.00% 3.00%
6
AVGO
3.37% 2.63% 2.63%
7
GOOG
3.26% 2.40% 2.40%
8
META
2.97% 2.24% 2.24%
9
TSLA
3.46% 1.87% 1.87%
10
WMT
2.48% 0.98% 0.98%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in QQQM — Invesco NASDAQ 100 ETF
StockWeight
MRVL0.78%
SHOP0.64%
ASML0.62%
MELI0.38%
PDD0.25%
Only in VIIIX — VANGUARD INSTITUTIONAL INDEX FUND
StockWeight
BRK.B1.57%
JPM1.34%
LLY1.31%
XOM1.27%
JNJ1.06%

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Frequently Asked Questions (FAQs)
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.