NMPAX vs. LLSCX
NMPAX (Columbia Mid Cap Index Fund) and LLSCX (Longleaf Partners Small-Cap Fund) are both Mid Cap Blend Equities funds. Over the past 10 years, NMPAX returned 10.37%/yr vs 5.89%/yr for LLSCX. Their correlation of 0.83 means they have usually moved in the same direction. NMPAX charges 0.20%/yr vs 0.95%/yr for LLSCX.
Performance
NMPAX vs. LLSCX - Performance Comparison
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Returns By Period
In the year-to-date period, NMPAX achieves a 14.46% return, which is significantly higher than LLSCX's -3.33% return. Over the past 10 years, NMPAX has outperformed LLSCX with an annualized return of 10.37%, while LLSCX has yielded a comparatively lower 5.89% annualized return.
NMPAX
- 1D
- -0.13%
- 1M
- -1.14%
- 6M
- 9.08%
- YTD
- 14.46%
- 1Y
- 22.53%
- 3Y*
- 12.83%
- 5Y*
- 8.30%
- 10Y*
- 10.37%
- ALL TIME*
- 9.52%
LLSCX
- 1D
- -0.04%
- 1M
- 1.11%
- 6M
- -5.03%
- YTD
- -3.33%
- 1Y
- 1.02%
- 3Y*
- 5.53%
- 5Y*
- 1.99%
- 10Y*
- 5.89%
- ALL TIME*
- 9.87%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
NMPAX vs. LLSCX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NMPAX Columbia Mid Cap Index Fund | 14.46% | 7.23% | 13.67% | 16.32% | -13.27% | 24.66% | 8.71% | 25.99% | -11.44% | 15.84% |
LLSCX Longleaf Partners Small-Cap Fund | -3.33% | 7.56% | 9.69% | 20.17% | -19.25% | 11.18% | 4.17% | 27.74% | -6.52% | 9.07% |
Correlation
The correlation between NMPAX and LLSCX is 0.55, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.55 |
Correlation (3Y) Balances recent behavior with more history. | 0.75 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.82 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.81 |
Correlation (All Time) Calculated using the full available price history since Mar 31, 2000 | 0.83 |
Over the past year, the correlation between NMPAX and LLSCX has dropped to 0.55 - well below their long-term average of 0.83, suggesting their price drivers have been diverging.
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Return for Risk
NMPAX vs. LLSCX — Risk / Return Rank
NMPAX
LLSCX
NMPAX vs. LLSCX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Columbia Mid Cap Index Fund (NMPAX) and Longleaf Partners Small-Cap Fund (LLSCX). 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.
| NMPAX | LLSCX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.39 | ||
| Sortino ratioReturn per unit of downside risk | +1.98 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.00 | +0.24 |
| Calmar ratioReturn relative to maximum drawdown | 2.36 | -0.07 | +2.43 |
| Martin ratioReturn relative to average drawdown | 8.57 | -0.15 | +8.72 |
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Drawdowns
NMPAX vs. LLSCX - Drawdown Comparison
The maximum NMPAX drawdown since its inception was -54.31%, smaller than the maximum LLSCX drawdown of -63.97%. Use the drawdown chart below to compare losses from any high point for NMPAX and LLSCX.
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Drawdown Indicators
| NMPAX | LLSCX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.31% | -63.97% | +9.66% |
Max Drawdown (1Y)Largest decline over 1 year | -8.84% | -11.44% | +2.60% |
Max Drawdown (3Y)Largest decline over 3 years | -24.03% | -15.40% | -8.63% |
Max Drawdown (5Y)Largest decline over 5 years | -24.03% | -26.67% | +2.64% |
Max Drawdown (10Y)Largest decline over 10 years | -42.09% | -42.23% | +0.14% |
Current DrawdownCurrent decline from peak | -2.39% | -7.59% | +5.20% |
Average DrawdownAverage peak-to-trough decline | -7.68% | -8.90% | +1.22% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.43% | 5.63% | -3.20% |
Volatility
NMPAX vs. LLSCX - Volatility Comparison
The current volatility for Columbia Mid Cap Index Fund (NMPAX) is 3.40%, while Longleaf Partners Small-Cap Fund (LLSCX) has a volatility of 5.13%. This indicates that NMPAX experiences smaller price fluctuations and is considered to be less risky than LLSCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NMPAX | LLSCX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.40% | 5.13% | -1.73% |
Volatility (6M)Calculated over the trailing 6-month period | 11.64% | 10.25% | +1.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.71% | 13.34% | +2.37% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.64% | 17.03% | +2.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.07% | 24.58% | -3.51% |
NMPAX vs. LLSCX - Expense Ratio Comparison
NMPAX has a 0.20% expense ratio, which is lower than LLSCX's 0.95% expense ratio.
Dividends
NMPAX vs. LLSCX - Dividend Comparison
NMPAX's dividend yield for the trailing twelve months is around 10.45%, more than LLSCX's 1.21% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LLSCX Longleaf Partners Small-Cap Fund | 1.21% | 1.17% | 0.11% | 0.94% | 1.20% | 0.82% | 5.85% | 14.89% | 18.13% | 8.43% | 18.01% | 5.91% |
NMPAX Columbia Mid Cap Index Fund | 10.45% | 9.34% | 11.35% | 7.97% | 11.65% | 18.03% | 5.96% | 5.70% | 10.06% | 7.66% | 7.97% | 10.12% |
Frequently Asked Questions
NMPAX and LLSCX have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
LLSCX has higher volatility (5.13%) compared to NMPAX (3.40%). In terms of maximum drawdown, NMPAX dropped -54.31% vs LLSCX's -63.97%.
NMPAX currently has the higher Sharpe Ratio (1.33 vs -0.06), 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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