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 IWF Holdings as of March 31, 2026

CSPAX vs IWF: Portfolio Overlap

SMALLCAP World Fund Inc vs iShares Russell 1000 Growth ETF

1.5%
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
IWF
387 equity holdings
as of March 31, 2026
64 stocks held in common
Overlap View Venn Diagram
1.5% OVERLAP CSPAX IWF
Overlapping Holdings
10 Top 10 of 64 shared, by overlap contribution
# Stock CSPAX IWF Overlap%
1
FIX
 1.52% 0.17% 0.17%
2
INSM
 0.18% 0.12% 0.12%
3
NTRA
 0.10% 0.10% 0.10%
4
DXCM
 0.11% 0.09% 0.09%
5
DRI
 0.08% 0.08% 0.08%
6
ALNY
 0.06% 0.15% 0.06%
7
ALAB
 0.08% 0.05% 0.05%
8
PODD
 0.04% 0.05% 0.04%
9
PEN
 0.17% 0.04% 0.04%
10
IONS
 0.43% 0.04% 0.04%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in CSPAX — SMALLCAP World Fund Inc
StockWeight
DIPLOMA PLC1.06%
Kokusai Electric Corp0.81%
ATI0.80%
MKSI0.75%
Bombardier Inc0.72%
Only in IWF — iShares Russell 1000 Growth ETF
StockWeight
NVDA12.95%
AAPL11.66%
MSFT8.84%
AVGO4.80%
AMZN4.67%

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

CSPAX (SMALLCAP World Fund Inc) and IWF (iShares Russell 1000 Growth ETF) share 1.5% portfolio overlap as of their March 31, 2026 filings, 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 CSPAX and IWF 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 IWF?

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

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