ETF and Mutual Fund Analysis

Holdings as of September 30, 2025 (IVV) and August 12, 2026 (SPY)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > IVV vs SPY Holdings as of September 30, 2025 (IVV) and August 12, 2026 (SPY)

IVV vs SPY: Portfolio Overlap

iShares Core S&P 500 ETF vs SPDR® S&P 500® ETF Trust

85.0%
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.

IVV
503 equity holdings
as of September 30, 2025
SPY
505 equity holdings
as of August 12, 2026
455 stocks held in common
Overlap View Venn Diagram
85.0% OVERLAP IVV SPY
Overlapping Holdings
10 Top 10 of 455 shared, by overlap contribution
# Stock IVV SPY Overlap%
1
NVDA
 7.98% 8.14% 7.98%
2
AAPL
 6.62% 6.66% 6.62%
3
MSFT
 6.75% 5.49% 5.49%
4
AMZN
 3.74% 3.92% 3.74%
5
AVGO
 2.72% 2.95% 2.72%
6
GOOGL
 2.48% 3.02% 2.48%
7
GOOG
 1.99% 2.43% 1.99%
8
META
 2.79% 1.91% 1.91%
9
JPM
 1.52% 1.47% 1.47%
10
BRK.B
 1.62% 1.40% 1.40%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in IVV — iShares Core S&P 500 ETF
StockWeight
XOM0.84%
Linde PLC0.39%
Accenture PLC0.27%
Eaton Corp PLC0.26%
HON0.23%
Only in SPY — SPDR® S&P 500® ETF Trust
StockWeight
XOM0.99%
LIN0.33%
STX0.30%
SNDK0.30%
MRVL0.29%

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

IVV (iShares Core S&P 500 ETF) and SPY (SPDR® S&P 500® ETF Trust) share 85.0% portfolio overlap as of IVV's September 30, 2025 filing and SPY's August 12, 2026 filing, across 455 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 IVV and SPY 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 IVV and SPY?

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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