SIZE — iShares MSCI USA Size Factor ETF

iShares (BlackRock) · Expense Ratio: 0.15% · Factor/Smart Beta · 4bp below the Factor/Smart Beta category average of 0.19%

Satellite Position

Key Facts

TickerSIZE
Full NameiShares MSCI USA Size Factor ETF
ProvideriShares (BlackRock)
Expense Ratio0.15%
CategoryFactor/Smart Beta
Assets Under Management$1B
Inception Year2013 (13 years ago)
Number of Holdings600
Dividend Yield~1% (low)
Top HoldingsSMCI, DECK, CSL

What Is SIZE?

SIZE, managed by iShares (BlackRock), launched in 2013, is a smaller fund — check bid-ask spreads before making large trades in the Factor/Smart Beta category. Smart-beta factor ETF targeting specific investment factors like quality, momentum, or low volatility. With $1B in assets under management, investors should verify current bid-ask spreads, especially for large orders.

SIZE in a FIRE Portfolio

This fund serves as a satellite position — adding targeted exposure to factor/smart beta within a FIRE portfolio built around a broad-market core.

As a satellite position:

Satellite holdings typically make up 5-20% of your portfolio. This fund complements a broad-market core — use it as a tilt, not the foundation. Keep your core holdings at 70-80% and use this for targeted exposure.

Cost Analysis: How SIZE's 0.15% Fee Affects Your FIRE Timeline

At 0.15%, SIZE is moderately priced. Annual cost on a $100K position: $150. Over 30 years, fees could consume approximately 0.9% of total returns. On a $1M FIRE portfolio, cumulative fees approach $15,000. Compare with lower-cost peers in Factor/Smart Beta: .

Dividend Income Potential

With a low dividend yield of approximately 1%, here's what SIZE could generate in annual income at different portfolio sizes:

Portfolio Value Annual Dividend Income Monthly Income
$100,000 $1,000/year $83/month
$250,000 $2,500/year $208/month
$500,000 $5,000/year $417/month
$1,000,000 $10,000/year $833/month

Frequently Asked Questions About SIZE

What is the expense ratio for SIZE?

SIZE has an expense ratio of 0.15%. This is moderately priced — on a $100K portfolio, annual fees are $150. 4bp below the factor/smart beta category average of 0.19%.

Is SIZE good for a FIRE portfolio?

This fund serves as a satellite position — adding targeted exposure to factor/smart beta within a FIRE portfolio built around a broad-market core. Its 0.15% expense ratio is moderately priced for the Factor/Smart Beta category.

How does the 0.15% fee affect long-term returns?

At 0.15%, you'll pay $150/year per $100K invested. Over 30 years, fees reduce total returns by approximately 0.9%. Use the embedded calculator below to model the exact impact on your specific portfolio.

Is SIZE liquid enough for my portfolio?

SIZE manages $1B in assets — a smaller fund — check bid-ask spreads before making large trades. For most individual FIRE investors making regular contributions, liquidity is sufficient. If you're investing large lump sums ($100K+), use limit orders to control your execution price.

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Calculate Your FIRE Number using SIZE

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