FMIMX vs. PRDMX
FMIMX (FMI Common Stock Fund) and PRDMX (T. Rowe Price Diversified Mid Cap Growth Fund) are both mutual funds - FMIMX is a Mid Cap Blend Equities fund managed by FMI, while PRDMX is a Mid Cap Growth Equities fund managed by T. Rowe Price. Over the past 10 years, FMIMX returned 11.95%/yr vs 12.24%/yr for PRDMX. Their correlation of 0.82 means they have usually moved in the same direction. FMIMX charges 1.01%/yr vs 0.79%/yr for PRDMX.
Performance
FMIMX vs. PRDMX - Performance Comparison
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Returns By Period
In the year-to-date period, FMIMX achieves a 18.51% return, which is significantly higher than PRDMX's 1.86% return. Both investments have delivered pretty close results over the past 10 years, with FMIMX having a 11.95% annualized return and PRDMX not far ahead at 12.24%.
FMIMX
- 1D
- -0.78%
- 1M
- 2.67%
- 6M
- 11.88%
- YTD
- 18.51%
- 1Y
- 17.90%
- 3Y*
- 12.77%
- 5Y*
- 10.68%
- 10Y*
- 11.95%
- ALL TIME*
- 9.43%
PRDMX
- 1D
- 2.48%
- 1M
- -3.51%
- 6M
- 2.10%
- YTD
- 1.86%
- 1Y
- 0.92%
- 3Y*
- 12.67%
- 5Y*
- 5.14%
- 10Y*
- 12.24%
- ALL TIME*
- 10.44%
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 |
FMIMX vs. PRDMX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FMIMX FMI Common Stock Fund | 18.51% | 2.12% | 10.38% | 24.85% | -5.95% | 30.52% | 5.79% | 24.80% | -8.77% | 13.92% |
PRDMX T. Rowe Price Diversified Mid Cap Growth Fund | 1.86% | 10.30% | 23.77% | 20.75% | -24.65% | 13.56% | 31.82% | 37.91% | -3.15% | 24.66% |
Correlation
The correlation between FMIMX and PRDMX is 0.56, 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. | 0.56 |
Correlation (3Y) Balances recent behavior with more history. | 0.69 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.75 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.72 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 2004 | 0.82 |
Over the past year, the correlation between FMIMX and PRDMX has dropped to 0.56 - well below their long-term average of 0.82, suggesting their price drivers have been diverging.
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Return for Risk
FMIMX vs. PRDMX — Risk / Return Rank
FMIMX
PRDMX
FMIMX vs. PRDMX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for FMI Common Stock Fund (FMIMX) and T. Rowe Price Diversified Mid Cap Growth Fund (PRDMX). 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.
| FMIMX | PRDMX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.91 | ||
| Sortino ratioReturn per unit of downside risk | +1.35 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.01 | +0.15 |
| Calmar ratioReturn relative to maximum drawdown | 1.09 | -0.07 | +1.16 |
| Martin ratioReturn relative to average drawdown | 2.71 | -0.20 | +2.91 |
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Drawdowns
FMIMX vs. PRDMX - Drawdown Comparison
The maximum FMIMX drawdown since its inception was -59.09%, roughly equal to the maximum PRDMX drawdown of -57.57%. Use the drawdown chart below to compare losses from any high point for FMIMX and PRDMX.
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Drawdown Indicators
| FMIMX | PRDMX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.09% | -57.57% | -1.52% |
Max Drawdown (1Y)Largest decline over 1 year | -13.80% | -14.15% | +0.35% |
Max Drawdown (3Y)Largest decline over 3 years | -21.31% | -25.06% | +3.75% |
Max Drawdown (5Y)Largest decline over 5 years | -21.31% | -35.69% | +14.38% |
Max Drawdown (10Y)Largest decline over 10 years | -38.07% | -35.91% | -2.16% |
Current DrawdownCurrent decline from peak | -0.78% | -5.85% | +5.07% |
Average DrawdownAverage peak-to-trough decline | -10.42% | -8.40% | -2.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.56% | 4.74% | +0.82% |
Volatility
FMIMX vs. PRDMX - Volatility Comparison
FMI Common Stock Fund (FMIMX) and T. Rowe Price Diversified Mid Cap Growth Fund (PRDMX) have volatilities of 5.12% and 5.24%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FMIMX | PRDMX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.12% | 5.24% | -0.12% |
Volatility (6M)Calculated over the trailing 6-month period | 12.67% | 14.47% | -1.80% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.58% | 18.04% | -0.46% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.65% | 22.01% | -3.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.23% | 21.40% | -2.17% |
FMIMX vs. PRDMX - Expense Ratio Comparison
FMIMX has a 1.01% expense ratio, which is higher than PRDMX's 0.79% expense ratio.
Dividends
FMIMX vs. PRDMX - Dividend Comparison
FMIMX's dividend yield for the trailing twelve months is around 11.17%, more than PRDMX's 7.60% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FMIMX FMI Common Stock Fund | 11.17% | 13.24% | 2.01% | 2.84% | 6.65% | 12.44% | 0.76% | 4.93% | 10.17% | 11.82% | 4.92% | 10.77% |
PRDMX T. Rowe Price Diversified Mid Cap Growth Fund | 7.60% | 7.75% | 8.59% | 6.83% | 1.22% | 10.13% | 4.80% | 2.02% | 5.23% | 3.71% | 1.23% | 3.78% |
Frequently Asked Questions
FMIMX and PRDMX have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PRDMX has higher volatility (5.24%) compared to FMIMX (5.12%). In terms of maximum drawdown, FMIMX dropped -59.09% vs PRDMX's -57.57%.
FMIMX currently has the higher Sharpe Ratio (0.86 vs -0.05), 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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