ETF and Mutual Fund Analysis

Holdings as of August 12, 2026 (SPY) and April 30, 2026 (SWPPX)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > SPY vs SWPPX Holdings as of August 12, 2026 (SPY) and April 30, 2026 (SWPPX)

SPY vs SWPPX: Portfolio Overlap

SPDR® S&P 500® ETF Trust vs Schwab S&P 500 Index Fund

90.3%
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.

SPY
505 equity holdings
as of August 12, 2026
SWPPX
501 equity holdings
as of April 30, 2026
464 stocks held in common
Overlap View Venn Diagram
90.3% OVERLAP SPY SWPPX
Overlapping Holdings
10 Top 10 of 464 shared, by overlap contribution
# Stock SPY SWPPX Overlap%
1
NVDA
 8.14% 7.85% 7.85%
2
AAPL
 6.66% 6.45% 6.45%
3
MSFT
 5.49% 4.90% 4.90%
4
AMZN
 3.92% 4.19% 3.92%
5
GOOGL
 3.02% 3.63% 3.02%
6
AVGO
 2.95% 3.21% 2.95%
7
GOOG
 2.43% 2.89% 2.43%
8
META
 1.91% 2.17% 1.91%
9
BRK.B
 1.40% 1.41% 1.40%
10
TSLA
 1.38% 1.74% 1.38%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in SPY — SPDR® S&P 500® ETF Trust
StockWeight
XOM0.99%
LIN0.33%
STX0.30%
MRVL0.29%
ETN0.27%
Only in SWPPX — Schwab S&P 500 Index Fund
StockWeight
XOM1.04%
Linde PLC0.38%
Eaton Corp PLC0.27%
Seagate Technology Holdings PLC0.24%
HON0.22%

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Frequently Asked Questions (FAQs)
What is the portfolio overlap between SPY and SWPPX?

SPY (SPDR® S&P 500® ETF Trust) and SWPPX (Schwab S&P 500 Index Fund) share 90.3% portfolio overlap as of SPY's August 12, 2026 filing and SWPPX's April 30, 2026 filing, across 464 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 SPY 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 SPY 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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