ETF and Mutual Fund Analysis

Holdings as of May 31, 2026 (AGTHX) and August 12, 2026 (SPY)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > AGTHX vs SPY Holdings as of May 31, 2026 (AGTHX) and August 12, 2026 (SPY)

AGTHX vs SPY: Portfolio Overlap

Growth Fund of America vs SPDR® S&P 500® ETF Trust

50.2%
Weighted portfolio overlap
High Overlap

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

AGTHX
313 equity holdings
as of May 31, 2026
SPY
505 equity holdings
as of August 12, 2026
160 stocks held in common
Overlap View Venn Diagram
50.2% OVERLAP AGTHX SPY
Overlapping Holdings
10 Top 10 of 160 shared, by overlap contribution
# Stock AGTHX SPY Overlap%
1
NVDA
 6.25% 8.14% 6.25%
2
MSFT
 4.25% 5.49% 4.25%
3
AMZN
 4.00% 3.92% 3.92%
4
GOOGL
 3.12% 3.02% 3.02%
5
AVGO
 5.21% 2.95% 2.95%
6
GOOG
 3.04% 2.43% 2.43%
7
META
 4.18% 1.91% 1.91%
8
AAPL
 1.71% 6.66% 1.71%
9
MU
 2.72% 1.54% 1.54%
10
LLY
 2.99% 1.45% 1.45%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in AGTHX — Growth Fund of America
StockWeight
Taiwan Semiconductor Manufacturing Co Ltd2.52%
ANTHROPIC PBC1.42%
Royal Caribbean Cruises Ltd.1.33%
SK hynix Inc1.22%
SHOP1.06%
Only in SPY — SPDR® S&P 500® ETF Trust
StockWeight
XOM0.99%
PG0.50%
C0.35%
CRWD0.34%
IBM0.33%

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

AGTHX (Growth Fund of America) and SPY (SPDR® S&P 500® ETF Trust) share 50.2% portfolio overlap as of AGTHX's May 31, 2026 filing and SPY's August 12, 2026 filing, across 160 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 AGTHX and SPY 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 AGTHX and SPY?

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

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