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SFLNX vs. IWM
Performance
Return for Risk
Drawdowns
Volatility
Dividends

SFLNX vs. IWM

Last updated Jun 14, 2026

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

Performance

SFLNX vs. IWM - Performance Comparison

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

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Returns By Period

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

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%

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%
*Multi-year figures are annualized to reflect compound growth (CAGR)

SFLNX vs. IWM - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
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%
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%

Correlation

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

SFLNX vs. IWM - Sectors Allocation Comparison

Sectors
SFLNX
IWM

Technology

19.0%
19.2%

Financial Services

13.9%
15.4%

Healthcare

11.9%
16.3%

Communication Services

10.3%
2.5%

Energy

10.2%
5.4%

Industrials

9.4%
17.9%

Consumer Cyclical

9.2%
7.9%

Consumer Defensive

7.4%
2.2%

Basic Materials

3.7%
4.7%

Utilities

3.2%
2.7%

Real Estate

1.8%
5.9%

Technology

SFLNX
19.0%
IWM
19.2%

Financial Services

SFLNX
13.9%
IWM
15.4%

Healthcare

SFLNX
11.9%
IWM
16.3%

Communication Services

SFLNX
10.3%
IWM
2.5%

Energy

SFLNX
10.2%
IWM
5.4%

Industrials

SFLNX
9.4%
IWM
17.9%

Consumer Cyclical

SFLNX
9.2%
IWM
7.9%

Consumer Defensive

SFLNX
7.4%
IWM
2.2%

Basic Materials

SFLNX
3.7%
IWM
4.7%

Utilities

SFLNX
3.2%
IWM
2.7%

Real Estate

SFLNX
1.8%
IWM
5.9%

Compare stocks, funds, or ETFs

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Schwab Fundamental US Large Company Index Fund

iShares Russell 2000 ETF

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

Return for Risk

SFLNX vs. IWM — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
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
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
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.

SFLNX vs. IWM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab Fundamental US Large Company Index Fund (SFLNX) and iShares Russell 2000 ETF (IWM). 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.

SFLNXIWMDifference
Sharpe ratioReturn per unit of total volatility
2.92
1.99

+0.93

Sortino ratioReturn per unit of downside risk
4.05
2.75

+1.30

Omega ratioGain probability vs. loss probability

1.53

1.33

+0.21

Calmar ratioReturn relative to maximum drawdown

5.06

3.57

+1.50

Martin ratioReturn relative to average drawdown

19.68

12.63

+7.05

SFLNX vs. IWM - Sharpe Ratio Comparison

The current SFLNX Sharpe Ratio is 2.92, which is higher than the IWM Sharpe Ratio of 1.99. The chart below compares the historical Sharpe Ratios of SFLNX and IWM, 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

SFLNX vs. IWM - Drawdown Comparison

The maximum SFLNX drawdown since its inception was -56.18%, roughly equal to the maximum IWM drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for SFLNX and IWM.

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Drawdown Indicators

SFLNXIWMDifference

Max Drawdown

Largest peak-to-trough decline

-56.18%

-59.05%

+2.87%

Max Drawdown (1Y)

Largest decline over 1 year

-6.10%

-11.03%

+4.93%

Max Drawdown (3Y)

Largest decline over 3 years

-16.27%

-27.50%

+11.23%

Max Drawdown (5Y)

Largest decline over 5 years

-18.98%

-31.91%

+12.93%

Max Drawdown (10Y)

Largest decline over 10 years

-37.59%

-41.13%

+3.54%

Current Drawdown

Current decline from peak

-0.73%

0.00%

-0.73%

Average Drawdown

Average peak-to-trough decline

-6.00%

-10.76%

+4.76%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.57%

3.12%

-1.55%

Volatility

SFLNX vs. IWM - Volatility Comparison

The current volatility for Schwab Fundamental US Large Company Index Fund (SFLNX) is 3.17%, while iShares Russell 2000 ETF (IWM) has a volatility of 7.16%. This indicates that SFLNX experiences smaller price fluctuations and is considered to be less risky than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

SFLNXIWMDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.17%

7.16%

-3.99%

Volatility (6M)

Calculated over the trailing 6-month period

7.81%

14.29%

-6.48%

Volatility (1Y)

Calculated over the trailing 1-year period

10.59%

19.73%

-9.14%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

15.30%

22.61%

-7.31%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.41%

23.08%

-4.67%

SFLNX vs. IWM - Expense Ratio Comparison

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

Dividends

SFLNX vs. IWM - Dividend Comparison

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

SFLNX and IWM 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, SFLNX dropped -56.18% vs IWM's -59.05%.

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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