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 > SPYM vs VB Holdings as of March 31, 2026

SPYM vs VB: Portfolio Overlap

State Street(R) SPDR(R) Portfolio S&P 500(R) ETF vs Vanguard Small-Cap Index Fund

3.1%
Weighted portfolio overlap
Low Overlap

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

SPYM
503 equity holdings
as of March 31, 2026
VB
1312 equity holdings
as of March 31, 2026
113 stocks held in common
Overlap View Venn Diagram
3.1% OVERLAP SPYM VB
Overlapping Holdings
10 Top 10 of 113 shared, by overlap contribution
# Stock SPYM VB Overlap%
1
CIEN
 0.10% 0.39% 0.10%
2
LITE
 0.09% 0.35% 0.09%
3
FIX
 0.09% 0.34% 0.09%
4
COHR
 0.08% 0.31% 0.08%
5
EQT
 0.07% 0.28% 0.07%
6
EME
 0.06% 0.46% 0.06%
7
NRG
 0.06% 0.44% 0.06%
8
ATO
 0.05% 0.43% 0.05%
9
DOW
 0.05% 0.21% 0.05%
10
TPR
 0.05% 0.40% 0.05%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in SPYM — State Street(R) SPDR(R) Portfolio S&P 500(R) ETF
StockWeight
NVDA7.58%
AAPL6.67%
MSFT4.92%
AMZN3.64%
GOOGL3.00%
Only in VB — VANGUARD SMALL-CAP INDEX FUND
StockWeight
FTI0.39%
CASY0.38%
NTRA0.37%
UTHR0.37%
CW0.35%

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

SPYM (State Street(R) SPDR(R) Portfolio S&P 500(R) ETF) and VB (Vanguard Small-Cap Index Fund) share 3.1% portfolio overlap as of their March 31, 2026 filings, across 113 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 SPYM 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 SPYM and VB?

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

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