Home > Compare > ITOT vs SWPPX Holdings as of September 30, 2025 (ITOT) and April 30, 2026 (SWPPX)

ITOT vs SWPPX: Portfolio Overlap

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

83.4%

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

SWPPX

501 equity holdings
as of April 30, 2026

499 stocks held in common

Overlap View Venn Diagram

Overlapping Holdings

10 Top 10 of 499 shared, by overlap contribution

#	Stock	ITOT	SWPPX	Overlap%
1	NVDA	7.02%	7.85%	7.02%
2	AAPL	5.83%	6.45%	5.83%
3	MSFT	5.94%	4.90%	4.90%
4	AMZN	3.29%	4.19%	3.29%
5	AVGO	2.39%	3.21%	2.39%
6	GOOGL	2.18%	3.63%	2.18%
7	META	2.46%	2.17%	2.17%
8	GOOG	1.75%	2.89%	1.75%
9	TSLA	1.93%	1.74%	1.74%
10	BRK.B	1.42%	1.41%	1.41%

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

Stock	Weight
RBLX	0.14%
MSTR	0.13%
SNOW	0.12%
MRVL	0.11%
NET	0.10%

Only in SWPPX — Schwab S&P 500 Index Fund

Stock	Weight
Q	0.05%
Amcor PLC	0.03%

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Frequently Asked Questions (FAQs)

What is the portfolio overlap between ITOT and SWPPX?

ITOT (iShares Core S&P Total U.S. Stock Market ETF) and SWPPX (Schwab S&P 500 Index Fund) share 83.4% portfolio overlap as of ITOT's September 30, 2025 filing and SWPPX's April 30, 2026 filing, across 499 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 SWPPX 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 SWPPX?

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.

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