Home > Compare > SPY vs VB Holdings as of August 12, 2026 (SPY) and March 31, 2026 (VB)

SPY vs VB: Portfolio Overlap

SPDR® S&P 500® ETF Trust 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.

SPY

505 equity holdings
as of August 12, 2026

1312 equity holdings
as of March 31, 2026

118 stocks held in common

Overlap View Venn Diagram

Overlapping Holdings

10 Top 10 of 118 shared, by overlap contribution

#	Stock	SPY	VB	Overlap%
1	LITE	0.11%	0.35%	0.11%
2	COHR	0.10%	0.31%	0.10%
3	FIX	0.09%	0.34%	0.09%
4	CIEN	0.09%	0.39%	0.09%
5	FLEX	0.07%	0.34%	0.07%
6	JBL	0.06%	0.37%	0.06%
7	EME	0.06%	0.46%	0.06%
8	STLD	0.05%	0.18%	0.05%
9	EQT	0.05%	0.28%	0.05%
10	CNC	0.05%	0.11%	0.05%

Most Divergent Holdings Stocks held by one fund but absent from the other

Only in SPY — SPDR® S&P 500® ETF Trust

Stock	Weight
NVDA	8.14%
AAPL	6.66%
MSFT	5.49%
AMZN	3.92%
GOOGL	3.02%

Only in VB — VANGUARD SMALL-CAP INDEX FUND

Stock	Weight
FTI	0.39%
UTHR	0.37%
NTRA	0.37%
FTAI	0.35%
CW	0.35%

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Frequently Asked Questions (FAQs)

What is the portfolio overlap between SPY and VB?

SPY (SPDR® S&P 500® ETF Trust) and VB (Vanguard Small-Cap Index Fund) share 3.1% portfolio overlap as of SPY's August 12, 2026 filing and VB's March 31, 2026 filing, across 118 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 SPY 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 SPY and VB?

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

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