Of the money in CSPX and the money in IUSA, 99.79% reaches the same companies. The two funds share 502 holdings, and this page lists the heaviest of them with each fund's weight.
Also searched as IUSA vs CSPX. Both funds' holdings as listed by our market data provider, last checked 21 September 2026.
The heaviest companies both funds hold. The shared figure is the smaller of the two weights, which is the part of the money that lands in the same place either way.
#
Company
CSPX
IUSA
1
NVIDIA CorporationNVDA
8.06%
8.08%
2
Apple Inc.AAPL
7.51%
7.52%
3
Microsoft CorporationMSFT
5.61%
5.62%
4
Amazon.com IncAMZN
3.73%
3.74%
5
Alphabet Inc Class AGOOGL
3.09%
3.10%
6
Broadcom IncAVGO
2.50%
2.50%
7
Alphabet Inc Class CGOOG
2.47%
2.47%
8
Meta Platforms Inc.META
2.27%
2.28%
9
Micron Technology IncMU
1.67%
1.68%
10
Tesla IncTSLA
1.56%
1.57%
11
Berkshire Hathaway IncBRK-B
1.42%
1.42%
12
JPMorgan Chase & CoJPM
1.42%
1.42%
13
Eli Lilly and CompanyLLY
1.38%
1.39%
14
Advanced Micro Devices IncAMD
1.35%
1.35%
15
Exxon Mobil CorpXOM
1.03%
1.03%
16
Johnson & JohnsonJNJ
0.99%
0.99%
17
Visa Inc. Class AV
0.93%
0.93%
18
Intel CorporationINTC
0.82%
0.82%
19
AbbVie IncABBV
0.71%
0.71%
20
Walmart Inc.WMT
0.71%
0.71%
21
Mastercard IncMA
0.69%
0.69%
22
Cisco Systems IncCSCO
0.66%
0.66%
23
Palantir Technologies Inc.PLTR
0.61%
0.62%
24
Costco Wholesale CorpCOST
0.60%
0.60%
25
Chevron CorpCVX
0.60%
0.60%
Where they differ
CSPX reports 503 holdings and IUSA reports 502. 502 of them appear in both, which leaves 1 only in CSPX and 0 only in IUSA.
Both sets of holdings come from our market data provider, covering 99.81% of CSPX and 99.96% of IUSA. European funds file no Form N-PORT, and the provider does not say which day each fund reported its holdings for, so this page gives the day we last checked them. Overlap is the sum of the smaller weight over every company both funds hold. Costs and yields come from our market data provider too.
Now see it across a whole portfolio
Holding CSPX and IUSA together is common. Vestiio opens every fund in a portfolio and shows how much of the money reaches the same companies twice. Try it on a sample portfolio of popular index funds, no card needed. To check your own funds, connect a broker read-only or import a statement on the Basic plan.
Fund Explorer is informational research only. Not investment advice. Vestiio is not supervised by FINMA.
SEC 13F filings are delayed manager-level disclosures and do not show the full portfolio, including cash,
shorts, private assets, many derivatives, fees, leverage, or trades made between reporting dates.