ETF and Mutual Fund Analysis

Holdings as of May 31, 2026 (AGTHX) and March 31, 2026 (SPYM)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > AGTHX vs SPYM Holdings as of May 31, 2026 (AGTHX) and March 31, 2026 (SPYM)

AGTHX vs SPYM: Portfolio Overlap

Growth Fund of America vs State Street(R) SPDR(R) Portfolio S&P 500(R) ETF

50.1%
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
SPYM
503 equity holdings
as of March 31, 2026
166 stocks held in common
Overlap View Venn Diagram
50.1% OVERLAP AGTHX SPYM
Overlapping Holdings
10 Top 10 of 166 shared, by overlap contribution
# Stock AGTHX SPYM Overlap%
1
NVDA
6.25% 7.58% 6.25%
2
MSFT
4.25% 4.92% 4.25%
3
AMZN
4.00% 3.64% 3.64%
4
GOOGL
3.12% 3.00% 3.00%
5
AVGO
5.21% 2.63% 2.63%
6
GOOG
3.04% 2.40% 2.40%
7
META
4.18% 2.24% 2.24%
8
TSLA
2.56% 1.87% 1.87%
9
AAPL
1.71% 6.67% 1.71%
10
LLY
2.99% 1.30% 1.30%
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%
SK hynix Inc1.22%
MSTR1.06%
SHOP1.06%
Only in SPYM — State Street(R) SPDR(R) Portfolio S&P 500(R) ETF
StockWeight
PG0.60%
IBM0.41%
C0.35%
GILD0.31%
PFE0.29%

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

AGTHX (Growth Fund of America) and SPYM (State Street(R) SPDR(R) Portfolio S&P 500(R) ETF) share 50.1% portfolio overlap as of AGTHX's May 31, 2026 filing and SPYM's March 31, 2026 filing, across 166 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 SPYM 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 SPYM?

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.