ETF and Mutual Fund Analysis

Holdings as of March 31, 2026

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > CSPAX vs VOO Holdings as of March 31, 2026

CSPAX vs VOO: Portfolio Overlap

SMALLCAP World Fund Inc vs Vanguard 500 Index Fund

0.5%
Weighted portfolio overlap
Low Overlap

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

CSPAX
815 equity holdings
as of March 31, 2026
VOO
504 equity holdings
as of March 31, 2026
16 stocks held in common
Overlap View Venn Diagram
0.5% OVERLAP CSPAX VOO
Overlapping Holdings
10 Top 10 of 16 shared, by overlap contribution
# Stock CSPAX VOO Overlap%
1
LITE
 1.32% 0.09% 0.09%
2
FIX
 1.52% 0.09% 0.09%
3
FITB
 0.14% 0.07% 0.07%
4
DXCM
 0.11% 0.04% 0.04%
5
DRI
 0.08% 0.04% 0.04%
6
LEN
 0.12% 0.03% 0.03%
7
PODD
 0.04% 0.03% 0.03%
8
MAS
 0.13% 0.02% 0.02%
9
GNRC
 0.05% 0.02% 0.02%
10
BLDR
 0.11% 0.02% 0.02%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in CSPAX — SMALLCAP World Fund Inc
StockWeight
DIPLOMA PLC1.06%
TopBuild Corp0.91%
Kokusai Electric Corp0.81%
ATI0.80%
MKSI0.75%
Only in VOO — VANGUARD 500 INDEX FUND
StockWeight
NVDA7.59%
AAPL6.68%
MSFT4.93%
AMZN3.65%
GOOGL3.00%

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Frequently Asked Questions (FAQs)
What is the portfolio overlap between CSPAX and VOO?

CSPAX (SMALLCAP World Fund Inc) and VOO (Vanguard 500 Index Fund) share 0.5% portfolio overlap as of their March 31, 2026 filings, across 16 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 CSPAX and VOO 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 CSPAX and VOO?

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

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