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IWM vs. SFLNX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IWM vs. SFLNX

Last updated Jun 14, 2026

IWM (iShares Russell 2000 ETF) and SFLNX (Schwab Fundamental US Large Company Index Fund) are both funds - IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index, while SFLNX is a Large Cap Value Equities fund tracking the Russell RAFI US Large Company Index. Both are passively managed. Over the past 10 years, IWM returned 11.27%/yr vs 14.31%/yr for SFLNX. Their correlation of 0.87 suggests significant overlap in exposure. IWM charges 0.19%/yr vs 0.25%/yr for SFLNX.

Performance

IWM vs. SFLNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell 2000 ETF (IWM) and Schwab Fundamental US Large Company Index Fund (SFLNX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, IWM achieves a 19.22% return, which is significantly higher than SFLNX's 14.44% return. Over the past 10 years, IWM has underperformed SFLNX with an annualized return of 11.27%, while SFLNX has yielded a comparatively higher 14.31% annualized return.

IWM

1D
0.87%
1M
2.99%
YTD
19.22%
6M
16.00%
1Y
41.75%
3Y*
17.23%
5Y*
6.07%
10Y*
11.27%

SFLNX

1D
1.52%
1M
1.49%
YTD
14.44%
6M
13.87%
1Y
31.60%
3Y*
20.20%
5Y*
12.92%
10Y*
14.31%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IWM vs. SFLNX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IWM
iShares Russell 2000 ETF		19.22%12.66%11.38%16.83%-20.48%14.54%20.03%25.39%-11.12%14.58%
SFLNX
Schwab Fundamental US Large Company Index Fund		14.44%17.02%16.78%18.16%-6.89%31.64%9.12%28.91%-7.43%17.08%

Correlation

The correlation between IWM and SFLNX is 0.84, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.84

Correlation (3Y)
Calculated over the trailing 3-year period

0.85

Correlation (5Y)
Calculated over the trailing 5-year period

0.87

Correlation (10Y)
Calculated over the trailing 10-year period

0.86

Correlation (All Time)
Calculated using the full available price history since Jan 2, 2008

0.87

The correlation between IWM and SFLNX has been stable across timeframes, ranging from 0.84 to 0.87 - a consistent structural relationship.

IWM vs. SFLNX - Sectors Allocation Comparison

Sectors
IWM
SFLNX

Technology

19.2%
19.0%

Industrials

17.9%
9.4%

Healthcare

16.3%
11.9%

Financial Services

15.4%
13.9%

Consumer Cyclical

7.9%
9.2%

Real Estate

5.9%
1.8%

Energy

5.4%
10.2%

Basic Materials

4.7%
3.7%

Utilities

2.7%
3.2%

Communication Services

2.5%
10.3%

Consumer Defensive

2.2%
7.4%

Technology

IWM
19.2%
SFLNX
19.0%

Industrials

IWM
17.9%
SFLNX
9.4%

Healthcare

IWM
16.3%
SFLNX
11.9%

Financial Services

IWM
15.4%
SFLNX
13.9%

Consumer Cyclical

IWM
7.9%
SFLNX
9.2%

Real Estate

IWM
5.9%
SFLNX
1.8%

Energy

IWM
5.4%
SFLNX
10.2%

Basic Materials

IWM
4.7%
SFLNX
3.7%

Utilities

IWM
2.7%
SFLNX
3.2%

Communication Services

IWM
2.5%
SFLNX
10.3%

Consumer Defensive

IWM
2.2%
SFLNX
7.4%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

iShares Russell 2000 ETF

Schwab Fundamental US Large Company Index Fund

Often compared with IWM:
IWM vs. SPYIWM vs. VTWOIWM vs. IJRIWM vs. AVUVIWM vs. IWNIWM vs. VOOIWM vs. TNA
Often compared with SFLNX:
SFLNX vs. SWLGXSFLNX vs. VFIAXSFLNX vs. VOOSFLNX vs. VDADXSFLNX vs. SEEGXSFLNX vs. SWTSXSFLNX vs. FLCOX

Return for Risk

IWM vs. SFLNX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IWM
IWM Risk / Return Rank: 7272
Overall Rank
IWM Sharpe Ratio Rank: 7171
Sharpe Ratio Rank
IWM Sortino Ratio Rank: 7171
Sortino Ratio Rank
IWM Omega Ratio Rank: 6363
Omega Ratio Rank
IWM Calmar Ratio Rank: 7979
Calmar Ratio Rank
IWM Martin Ratio Rank: 7676
Martin Ratio Rank
SFLNX
SFLNX Risk / Return Rank: 9393
Overall Rank
SFLNX Sharpe Ratio Rank: 9595
Sharpe Ratio Rank
SFLNX Sortino Ratio Rank: 9191
Sortino Ratio Rank
SFLNX Omega Ratio Rank: 8787
Omega Ratio Rank
SFLNX Calmar Ratio Rank: 9595
Calmar Ratio Rank
SFLNX Martin Ratio Rank: 9696
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

IWM vs. SFLNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2000 ETF (IWM) and Schwab Fundamental US Large Company Index Fund (SFLNX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

IWMSFLNXDifference
Sharpe ratioReturn per unit of total volatility
1.99
2.92

-0.93

Sortino ratioReturn per unit of downside risk
2.75
4.05

-1.30

Omega ratioGain probability vs. loss probability

1.33

1.53

-0.21

Calmar ratioReturn relative to maximum drawdown

3.57

5.06

-1.50

Martin ratioReturn relative to average drawdown

12.63

19.68

-7.05

IWM vs. SFLNX - Sharpe Ratio Comparison

The current IWM Sharpe Ratio is 1.99, which is lower than the SFLNX Sharpe Ratio of 2.92. The chart below compares the historical Sharpe Ratios of IWM and SFLNX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

IWM vs. SFLNX - Drawdown Comparison

The maximum IWM drawdown since its inception was -59.05%, which is greater than SFLNX's maximum drawdown of -56.18%. Use the drawdown chart below to compare losses from any high point for IWM and SFLNX.

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Drawdown Indicators

IWMSFLNXDifference

Max Drawdown

Largest peak-to-trough decline

-59.05%

-56.18%

-2.87%

Max Drawdown (1Y)

Largest decline over 1 year

-11.03%

-6.10%

-4.93%

Max Drawdown (3Y)

Largest decline over 3 years

-27.50%

-16.27%

-11.23%

Max Drawdown (5Y)

Largest decline over 5 years

-31.91%

-18.98%

-12.93%

Max Drawdown (10Y)

Largest decline over 10 years

-41.13%

-37.59%

-3.54%

Current Drawdown

Current decline from peak

0.00%

-0.73%

+0.73%

Average Drawdown

Average peak-to-trough decline

-10.76%

-6.00%

-4.76%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.12%

1.57%

+1.55%

Volatility

IWM vs. SFLNX - Volatility Comparison

iShares Russell 2000 ETF (IWM) has a higher volatility of 7.16% compared to Schwab Fundamental US Large Company Index Fund (SFLNX) at 3.17%. This indicates that IWM's price experiences larger fluctuations and is considered to be riskier than SFLNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IWMSFLNXDifference

Volatility (1M)

Calculated over the trailing 1-month period

7.16%

3.17%

+3.99%

Volatility (6M)

Calculated over the trailing 6-month period

14.29%

7.81%

+6.48%

Volatility (1Y)

Calculated over the trailing 1-year period

19.73%

10.59%

+9.14%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

22.61%

15.30%

+7.31%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

23.08%

18.41%

+4.67%

IWM vs. SFLNX - Expense Ratio Comparison

IWM has a 0.19% expense ratio, which is lower than SFLNX's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

IWM vs. SFLNX - Dividend Comparison

IWM's dividend yield for the trailing twelve months is around 0.87%, less than SFLNX's 1.46% yield.

PositionTTM20252024202320222021202020192018201720162015
IWM
iShares Russell 2000 ETF		0.87%1.04%1.15%1.35%1.48%0.94%1.04%1.26%1.40%1.26%1.38%1.54%
SFLNX
Schwab Fundamental US Large Company Index Fund		1.46%1.68%1.78%1.86%2.09%4.78%6.17%5.33%9.69%3.28%7.23%5.68%

Frequently Asked Questions

IWM and SFLNX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

IWM has higher volatility (7.16%) compared to SFLNX (3.17%). In terms of maximum drawdown, IWM dropped -59.05% vs SFLNX's -56.18%.

SFLNX currently has the higher Sharpe Ratio (2.92 vs 1.99), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.

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