- ISIN
- US19765J6082
- Issuer
- Columbia
- Inception Date
- Mar 31, 2000
- Category
- Mid Cap Blend Equities
- Min. Investment
- $2,000
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Mid-Cap
- Asset Class Style
- Blend
Share Price Chart
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Performance
NMPAX Performance Chart
Columbia Mid Cap Index Fund (NMPAX) is up 15.3% since the beginning of the year. NMPAX is currently trading at $16 per share. Investors who bought $1,000 worth of NMPAX shares 5 years ago would now be looking at an investment worth $1,555.
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Returns By Period
Columbia Mid Cap Index Fund (NMPAX) has returned 15.29% so far this year and 26.84% over the past 12 months. Over the last ten years, NMPAX has returned 10.76% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
Columbia Mid Cap Index Fund
- 1D
- 1.11%
- 1M
- 3.28%
- YTD
- 15.29%
- 6M
- 12.83%
- 1Y
- 26.84%
- 3Y*
- 15.19%
- 5Y*
- 9.23%
- 10Y*
- 10.76%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
NMPAX Monthly Returns History
Based on dividend-adjusted daily data since Mar 31, 2000, NMPAX's average daily return is +0.05%, while the average monthly return is +0.90%. At this rate, an investment would double in approximately 6.4 years.
Historically, 61% of months were positive and 39% were negative. The best month was Apr 2009 with a return of +14.8%, while the worst month was Oct 2008 at -21.7%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 5 months.
On a daily basis, NMPAX closed higher 52% of trading days. The best single day was Mar 24, 2020 with a return of +10.7%, while the worst single day was Mar 16, 2020 at -13.8%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 4.02% | 4.13% | -5.40% | 7.84% | 2.42% | 1.87% | 15.29% | ||||||
| 2025 | 3.79% | -4.32% | -5.49% | -2.28% | 5.34% | 3.52% | 1.63% | 3.35% | 0.47% | -0.47% | 2.03% | 0.04% | 7.23% |
| 2024 | -1.76% | 5.96% | 5.56% | -6.04% | 4.37% | -1.62% | 5.77% | -0.06% | 1.10% | -0.71% | 8.80% | -7.13% | 13.67% |
| 2023 | 9.22% | -1.80% | -3.24% | -0.80% | -3.23% | 9.18% | 4.09% | -2.89% | -5.25% | -5.39% | 8.55% | 8.74% | 16.32% |
| 2022 | -7.20% | 1.07% | 1.37% | -7.08% | 0.73% | -9.69% | 10.86% | -3.13% | -9.18% | 10.43% | 6.15% | -5.62% | -13.27% |
| 2021 | 1.48% | 6.78% | 4.65% | 4.44% | 0.21% | -1.09% | 0.33% | 1.92% | -3.98% | 5.88% | -2.96% | 5.27% | 24.66% |
Benchmark Metrics
Columbia Mid Cap Index Fund has an annualized alpha of 3.24%, beta of 1.05, and R2 of 0.84 versus S&P 500 Index. Calculated based on daily prices since March 31, 2000.
- This fund captured 116.37% of S&P 500 Index gains and 100.66% of its losses - amplifying both gains and losses, but participating more in upside than downside.
- This fund generated an annualized alpha of 3.24% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
- With beta of 1.05 and R2 of 0.84, this fund moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- 3.24%
- Beta
- 1.05
- R²
- 0.84
- Upside Capture
- 116.37%
- Downside Capture
- 100.66%
Expense Ratio
NMPAX has an expense ratio of 0.20%, which is considered low.
Return for Risk
Risk / Return Rank
NMPAX ranks 50 for risk / return — on par with similar mutual funds. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Columbia Mid Cap Index Fund (NMPAX) and compare them to S&P 500 Index.
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 | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.32 | ||
| Sortino ratioReturn per unit of downside risk | -0.27 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 1.37 | -0.07 |
| Calmar ratioReturn relative to maximum drawdown | 3.06 | 2.78 | +0.28 |
| Martin ratioReturn relative to average drawdown | 11.17 | 12.44 | -1.27 |
Dividends
Dividend History
Columbia Mid Cap Index Fund provided a 5.68% dividend yield over the last twelve months, with an annual payout of $0.93 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.93 | $1.33 | $1.65 | $1.13 | $1.54 | $3.08 | $0.97 | $0.91 | $1.34 | $1.26 | $1.22 | $1.40 |
Dividend yield | 5.68% | 9.34% | 11.35% | 7.97% | 11.65% | 18.03% | 5.96% | 5.70% | 10.06% | 7.66% | 7.97% | 10.12% |
Monthly Dividends
The table displays the monthly dividend distributions for Columbia Mid Cap Index Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | ||||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.40 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.93 | $1.33 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.46 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $1.18 | $1.65 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.44 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.69 | $1.13 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.75 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.79 | $1.54 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.92 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $2.16 | $3.08 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Columbia Mid Cap Index Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Columbia Mid Cap Index Fund was 54.31%, occurring on Mar 9, 2009. Recovery took 438 trading sessions.
The current Columbia Mid Cap Index Fund drawdown is 0.43%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -54.31%Mar 2009 | 9mo 6d | 1y 8mo | 2y 5moJun 2008 - Dec 2010 |
COVID crash2020 | -42.09%Mar 2020 | 1mo 1d | 8mo 5d | 9mo 6dFeb 2020 - Nov 2020 |
Dot-com crash2000–2002 | -32.06%Oct 2002 | 2y 1mo | 1y 4d | 3y 1moSep 2000 - Oct 2003 |
2011 bear market2011 | -26.25%Oct 2011 | 5mo 4d | 5mo 25d | 10mo 29dMay 2011 - Mar 2012 |
2025 selloff2025 | -24.03%Apr 2025 | 4mo 13d | 8mo 6d | 1y 14dNov 2024 - Dec 2025 |
Drawdown Indicators
| NMPAX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.31% | -56.78% | +2.47% |
Max Drawdown (1Y)Largest decline over 1 year | -8.84% | -9.10% | +0.26% |
Max Drawdown (3Y)Largest decline over 3 years | -24.03% | -18.90% | -5.13% |
Max Drawdown (5Y)Largest decline over 5 years | -24.03% | -25.43% | +1.40% |
Max Drawdown (10Y)Largest decline over 10 years | -42.09% | -33.92% | -8.17% |
Current DrawdownCurrent decline from peak | -0.43% | -1.80% | +1.37% |
Average DrawdownAverage peak-to-trough decline | -7.71% | -10.71% | +3.00% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.42% | 2.03% | +0.39% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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