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VB vs. IWB: What’s The Difference?

The Vanguard Small-Cap Index Fund ETF Shares (VB) and the iShares Russell 1000 ETF (IWB) are both among the Top 100 ETFs. VB is a Vanguard Small Blend fund and IWB is a iShares Large Blend fund. So, what’s the difference between VB and IWB? And which fund is better?

The expense ratio of VB is 0.10 percentage points lower than IWB’s (0.05% vs. 0.15%). VB also has a lower exposure to the technology sector and a higher standard deviation. Overall, VB has provided lower returns than IWB over the past ten years.

In this article, we’ll compare VB vs. IWB. We’ll look at performance and fund composition, as well as at their annual returns and industry exposure. Moreover, I’ll also discuss VB’s and IWB’s portfolio growth, holdings, and risk metrics and examine how these affect their overall returns.

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Summary

VBIWB
NameVanguard Small-Cap Index Fund ETF SharesiShares Russell 1000 ETF
CategorySmall BlendLarge Blend
IssuerVanguardiShares
AUM137.72B30.54B
Avg. Return14.25%14.64%
Div. Yield1.14%1.14%
Expense Ratio0.05%0.15%

The Vanguard Small-Cap Index Fund ETF Shares (VB) is a Small Blend fund that is issued by Vanguard. It currently has 137.72B total assets under management and has yielded an average annual return of 14.25% over the past 10 years. The fund has a dividend yield of 1.14% with an expense ratio of 0.05%.

The iShares Russell 1000 ETF (IWB) is a Large Blend fund that is issued by iShares. It currently has 30.54B total assets under management and has yielded an average annual return of 14.64% over the past 10 years. The fund has a dividend yield of 1.14% with an expense ratio of 0.15%.

VB’s dividend yield is 0.00% lower than that of IWB (1.14% vs. 1.14%). Also, VB yielded on average 0.38% less per year over the past decade (14.25% vs. 14.64%). The expense ratio of VB is 0.10 percentage points lower than IWB’s (0.05% vs. 0.15%).

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Fund Composition

Industry Exposure

VB vs. IWB - Industry Exposure

VBIWB
Technology16.85%25.33%
Industrials16.11%8.88%
Energy3.67%2.44%
Communication Services2.4%10.83%
Utilities2.19%2.36%
Healthcare14.34%13.35%
Consumer Defensive4.14%5.97%
Real Estate9.56%3.34%
Financial Services13.06%13.64%
Consumer Cyclical13.03%11.85%
Basic Materials4.63%2.02%

The Vanguard Small-Cap Index Fund ETF Shares (VB) has the most exposure to the Technology sector at 16.85%. This is followed by Industrials and Healthcare at 16.11% and 14.34% respectively. Communication Services (2.4%), Energy (3.67%), and Consumer Defensive (4.14%) only make up 10.21% of the fund’s total assets.

VB’s mid-section with moderate exposure is comprised of Basic Materials, Real Estate, Consumer Cyclical, Financial Services, and Healthcare stocks at 4.63%, 9.56%, 13.03%, 13.06%, and 14.34%.

The iShares Russell 1000 ETF (IWB) has the most exposure to the Technology sector at 25.33%. This is followed by Financial Services and Healthcare at 13.64% and 13.35% respectively. Utilities (2.36%), Energy (2.44%), and Real Estate (3.34%) only make up 8.14% of the fund’s total assets.

IWB’s mid-section with moderate exposure is comprised of Consumer Defensive, Industrials, Communication Services, Consumer Cyclical, and Healthcare stocks at 5.97%, 8.88%, 10.83%, 11.85%, and 13.35%.

VB is 8.48% less exposed to the Technology sector than IWB (16.85% vs 25.33%). VB’s exposure to Industrials and Healthcare stocks is 7.23% higher and 0.99% higher respectively (16.11% vs. 8.88% and 14.34% vs. 13.35%). In total, Communication Services, Energy, and Consumer Defensive also make up 9.03% less of the fund’s holdings compared to IWB (10.21% vs. 19.24%).

Holdings

VB - Holdings

VB HoldingsWeight
Charles River Laboratories International Inc0.34%
Pool Corp0.32%
Bio-Techne Corp0.32%
Avantor Inc0.32%
PerkinElmer Inc0.31%
Diamondback Energy Inc0.31%
VICI Properties Inc Ordinary Shares0.3%
IDEX Corp0.3%
Entegris Inc0.3%
Novavax Inc0.29%

VB’s Top Holdings are Charles River Laboratories International Inc, Pool Corp, Bio-Techne Corp, Avantor Inc, and PerkinElmer Inc at 0.34%, 0.32%, 0.32%, 0.32%, and 0.31%.

Diamondback Energy Inc (0.31%), VICI Properties Inc Ordinary Shares (0.3%), and IDEX Corp (0.3%) have a slightly smaller but still significant weight. Entegris Inc and Novavax Inc are also represented in the VB’s holdings at 0.3% and 0.29%.

IWB - Holdings

IWB HoldingsWeight
Apple Inc5.45%
Microsoft Corp5.11%
Amazon.com Inc3.43%
Facebook Inc Class A2.03%
Alphabet Inc Class A1.93%
Alphabet Inc Class C1.82%
Tesla Inc1.27%
Berkshire Hathaway Inc Class B1.24%
NVIDIA Corp1.11%
JPMorgan Chase & Co1.09%

IWB’s Top Holdings are Apple Inc, Microsoft Corp, Amazon.com Inc, Facebook Inc Class A, and Alphabet Inc Class A at 5.45%, 5.11%, 3.43%, 2.03%, and 1.93%.

Alphabet Inc Class C (1.82%), Tesla Inc (1.27%), and Berkshire Hathaway Inc Class B (1.24%) have a slightly smaller but still significant weight. NVIDIA Corp and JPMorgan Chase & Co are also represented in the IWB’s holdings at 1.11% and 1.09%.

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Risk Analysis

VBIWB
Mean Return1.151.27
R-squared85.0399.73
Std. Deviation17.8213.87
Alpha-4.02-0.38
Beta1.211.02
Sharpe Ratio0.741.05
Treynor Ratio10.1514.31

The Vanguard Small-Cap Index Fund ETF Shares (VB) has a Sharpe Ratio of 0.74 with a R-squared of 85.03 and a Beta of 1.21. Its Treynor Ratio is 10.15 while VB’s Mean Return is 1.15. Furthermore, the fund has a Standard Deviation of 17.82 and a Alpha of -4.02.

The iShares Russell 1000 ETF (IWB) has a Treynor Ratio of 14.31 with a Alpha of -0.38 and a R-squared of 99.73. Its Beta is 1.02 while IWB’s Mean Return is 1.27. Furthermore, the fund has a Sharpe Ratio of 1.05 and a Standard Deviation of 13.87.

VB’s Mean Return is 0.12 points lower than that of IWB and its R-squared is 14.70 points lower. With a Standard Deviation of 17.82, VB is slightly more volatile than IWB. The Alpha and Beta of VB are 3.64 points lower and 0.19 points higher than IWB’s Alpha and Beta.

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Performance

Annual Returns

VB vs. IWB - Annual Returns

YearVBIWB
202019.08%20.8%
201927.37%31.26%
2018-9.3%-4.91%
201716.24%21.53%
201618.31%11.91%
2015-3.65%0.82%
20147.51%13.08%
201337.8%32.93%
201218.22%16.27%
2011-2.68%1.36%
201027.89%15.94%

VB had its best year in 2013 with an annual return of 37.8%. VB’s worst year over the past decade yielded -9.3% and occurred in 2018. In most years the Vanguard Small-Cap Index Fund ETF Shares provided moderate returns such as in 2017, 2012, and 2016 where annual returns amounted to 16.24%, 18.22%, and 18.31% respectively.

The year 2013 was the strongest year for IWB, returning 32.93% on an annual basis. The poorest year for IWB in the last ten years was 2018, with a yield of -4.91%. Most years the iShares Russell 1000 ETF has given investors modest returns, such as in 2014, 2010, and 2012, when gains were 13.08%, 15.94%, and 16.27% respectively.

Portfolio Growth

VB vs. IWB - Portfolio Growth

FundInitial BalanceFinal BalanceCAGR
VB$10,000$39,73414.25%
IWB$10,000$42,46214.64%

A $10,000 investment in VB would have resulted in a final balance of $39,734. This is a profit of $29,734 over 11 years and amounts to a compound annual growth rate (CAGR) of 14.25%.

With a $10,000 investment in IWB, the end total would have been $42,462. This equates to a $32,462 profit over 11 years and a compound annual growth rate (CAGR) of 14.64%.

VB’s CAGR is 0.38 percentage points lower than that of IWB and as a result, would have yielded $2,728 less on a $10,000 investment. Thus, VB performed worse than IWB by 0.38% annually.


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