ETF and Mutual Fund Analysis

Holdings as of September 30, 2025 (ITOT) and March 31, 2026 (VB)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > ITOT vs VB Holdings as of September 30, 2025 (ITOT) and March 31, 2026 (VB)

ITOT vs VB: Portfolio Overlap

iShares Core S&P Total U.S. Stock Market ETF vs Vanguard Small-Cap Index Fund

10.9%
Weighted portfolio overlap
Low Overlap

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

ITOT
2484 equity holdings
as of September 30, 2025
VB
1312 equity holdings
as of March 31, 2026
1215 stocks held in common
Overlap View Venn Diagram
10.9% OVERLAP ITOT VB
Overlapping Holdings
10 Top 10 of 1215 shared, by overlap contribution
# Stock ITOT VB Overlap%
1
EQT
 0.05% 0.28% 0.05%
2
DD
 0.05% 0.26% 0.05%
3
SOFI
 0.05% 0.28% 0.05%
4
NRG
 0.05% 0.44% 0.05%
5
INSM
 0.05% 0.25% 0.05%
6
FIX
 0.05% 0.34% 0.05%
7
EME
 0.04% 0.46% 0.04%
8
ATO
 0.04% 0.43% 0.04%
9
P
 0.04% 0.26% 0.04%
10
ALAB
 0.04% 0.22% 0.04%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in ITOT — iShares Core S&P Total U.S. Stock Market ETF
StockWeight
NVDA7.02%
MSFT5.94%
AAPL5.83%
AMZN3.29%
META2.46%
Only in VB — VANGUARD SMALL-CAP INDEX FUND
StockWeight
FTI0.39%
FTAI0.35%
FLEX0.34%
SW0.29%
BG0.28%

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

ITOT (iShares Core S&P Total U.S. Stock Market ETF) and VB (Vanguard Small-Cap Index Fund) share 10.9% portfolio overlap as of ITOT's September 30, 2025 filing and VB's March 31, 2026 filing, across 1215 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 ITOT 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 ITOT and VB?

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

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