ETF and Mutual Fund Analysis

Holdings as of September 30, 2025

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > ITOT vs IVV Holdings as of September 30, 2025

ITOT vs IVV: Portfolio Overlap

iShares Core S&P Total U.S. Stock Market ETF vs iShares Core S&P 500 ETF

87.9%
Weighted portfolio overlap
Very High Overlap

The two portfolios are structurally near-identical: most of the weight sits in the same stocks, so holding both concentrates rather than spreads capital. The tier describes what the data shows, not what to do about it.

ITOT
2484 equity holdings
as of September 30, 2025
IVV
503 equity holdings
as of September 30, 2025
503 stocks held in common
Overlap View Venn Diagram
87.9% OVERLAP ITOT IVV
Overlapping Holdings
10 Top 10 of 503 shared, by overlap contribution
# Stock ITOT IVV Overlap%
1
NVDA
 7.02% 7.98% 7.02%
2
MSFT
 5.94% 6.75% 5.94%
3
AAPL
 5.83% 6.62% 5.83%
4
AMZN
 3.29% 3.74% 3.29%
5
META
 2.46% 2.79% 2.46%
6
AVGO
 2.39% 2.72% 2.39%
7
GOOGL
 2.18% 2.48% 2.18%
8
TSLA
 1.93% 2.19% 1.93%
9
GOOG
 1.75% 1.99% 1.75%
10
BRK.B
 1.42% 1.62% 1.42%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in ITOT — iShares Core S&P Total U.S. Stock Market ETF
StockWeight
RBLX0.14%
MSTR0.13%
SNOW0.12%
CRH PLC0.12%
MRVL0.11%

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Frequently Asked Questions (FAQs)
What is the portfolio overlap between ITOT and IVV?

ITOT (iShares Core S&P Total U.S. Stock Market ETF) and IVV (iShares Core S&P 500 ETF) share 87.9% portfolio overlap as of their September 30, 2025 filings, across 503 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 ITOT and IVV invest in the same stocks?

Almost entirely. These funds hold nearly identical portfolios and offer little differentiation between them.

What are the top stocks held by both ITOT and IVV?

The most prominent shared holdings (by combined weight) are: NVDA, MSFT, AAPL. See the full common-holdings table on this page for weights in each fund.

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