ETF and Mutual Fund Analysis

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

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

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

AGTHX vs VB: Portfolio Overlap

Growth Fund of America vs Vanguard Small-Cap Index Fund

4.7%
Weighted portfolio overlap
Low Overlap

Low Overlap. The two portfolios have highly distinct allocations: little of the weight sits in the same stocks.

AGTHX
313 equity holdings
as of May 31, 2026
VB
1312 equity holdings
as of March 31, 2026
64 stocks held in common
Overlap View Venn Diagram
4.7% OVERLAP AGTHX VB
Overlapping Holdings
10 Top 10 of 64 shared, by overlap contribution
# Stock AGTHX VB Overlap%
1
RKLB
 0.25% 0.26% 0.25%
2
AKAM
 0.25% 0.23% 0.23%
3
ALB
 0.20% 0.30% 0.20%
4
MRNA
 0.19% 0.25% 0.19%
5
INSM
 0.19% 0.25% 0.19%
6
STLD
 0.26% 0.18% 0.18%
7
AFRM
 0.49% 0.17% 0.17%
8
IONS
 0.17% 0.17% 0.17%
9
XPO
 0.15% 0.30% 0.15%
10
BURL
 0.36% 0.14% 0.14%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in AGTHX — Growth Fund of America
StockWeight
NVDA6.25%
AVGO5.21%
MSFT4.25%
META4.18%
AMZN4.00%
Only in VB — VANGUARD SMALL-CAP INDEX FUND
StockWeight
EME0.46%
NRG0.44%
ATO0.43%
TPR0.40%
FTI0.39%

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

AGTHX (Growth Fund of America) and VB (Vanguard Small-Cap Index Fund) share 4.7% portfolio overlap as of AGTHX's May 31, 2026 filing and VB's March 31, 2026 filing, across 64 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 VB invest in the same stocks?

Mostly not. Only a small portion of their portfolios overlaps — these funds hold largely different stocks and genuinely diversify each other.

What are the top stocks held by both AGTHX and VB?

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

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