PCBIX vs. VMGMX
PCBIX (Principal MidCap Fund Institutional Class) and VMGMX (Vanguard Mid-Cap Growth Index Fund Admiral Shares) are both Mid Cap Growth Equities funds. Over the past 10 years, PCBIX returned 11.82%/yr vs 11.49%/yr for VMGMX. Their correlation of 0.89 means they have usually moved in the same direction. PCBIX charges 0.67%/yr vs 0.07%/yr for VMGMX.
Performance
PCBIX vs. VMGMX - Performance Comparison
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Returns By Period
In the year-to-date period, PCBIX achieves a -3.74% return, which is significantly lower than VMGMX's 6.02% return. Both investments have delivered pretty close results over the past 10 years, with PCBIX having a 11.82% annualized return and VMGMX not far behind at 11.49%.
PCBIX
- 1D
- -1.39%
- 1M
- -0.60%
- 6M
- -3.13%
- YTD
- -3.74%
- 1Y
- -7.35%
- 3Y*
- 9.29%
- 5Y*
- 4.47%
- 10Y*
- 11.82%
- ALL TIME*
- 10.93%
VMGMX
- 1D
- 1.52%
- 1M
- -2.07%
- 6M
- 7.00%
- YTD
- 6.02%
- 1Y
- 3.91%
- 3Y*
- 12.30%
- 5Y*
- 4.83%
- 10Y*
- 11.49%
- ALL TIME*
- 12.35%
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 |
PCBIX vs. VMGMX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PCBIX Principal MidCap Fund Institutional Class | -3.74% | 1.62% | 23.63% | 25.92% | -23.16% | 25.22% | 18.25% | 49.40% | -6.86% | 25.32% |
VMGMX Vanguard Mid-Cap Growth Index Fund Admiral Shares | 6.02% | 10.69% | 15.65% | 23.93% | -28.84% | 20.48% | 34.45% | 33.85% | -5.61% | 21.83% |
Correlation
The correlation between PCBIX and VMGMX is 0.64, 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. | 0.64 |
Correlation (3Y) Balances recent behavior with more history. | 0.78 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.86 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.87 |
Correlation (All Time) Calculated using the full available price history since Sep 27, 2011 | 0.89 |
Over the past year, the correlation between PCBIX and VMGMX has dropped to 0.64 - well below their long-term average of 0.89, suggesting their price drivers have been diverging.
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Return for Risk
PCBIX vs. VMGMX — Risk / Return Rank
PCBIX
VMGMX
PCBIX vs. VMGMX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Principal MidCap Fund Institutional Class (PCBIX) and Vanguard Mid-Cap Growth Index Fund Admiral Shares (VMGMX). 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.
| PCBIX | VMGMX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.70 | ||
| Sortino ratioReturn per unit of downside risk | -1.05 | ||
| Omega ratioGain probability vs. loss probability | 0.91 | 1.03 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | -0.48 | 0.10 | -0.58 |
| Martin ratioReturn relative to average drawdown | -0.94 | 0.30 | -1.24 |
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Drawdowns
PCBIX vs. VMGMX - Drawdown Comparison
The maximum PCBIX drawdown since its inception was -50.25%, which is greater than VMGMX's maximum drawdown of -37.17%. Use the drawdown chart below to compare losses from any high point for PCBIX and VMGMX.
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Drawdown Indicators
| PCBIX | VMGMX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -50.25% | -37.17% | -13.08% |
Max Drawdown (1Y)Largest decline over 1 year | -19.29% | -15.95% | -3.34% |
Max Drawdown (3Y)Largest decline over 3 years | -19.29% | -21.65% | +2.36% |
Max Drawdown (5Y)Largest decline over 5 years | -31.17% | -37.17% | +6.00% |
Max Drawdown (10Y)Largest decline over 10 years | -40.56% | -37.17% | -3.39% |
Current DrawdownCurrent decline from peak | -10.03% | -3.76% | -6.27% |
Average DrawdownAverage peak-to-trough decline | -6.58% | -6.97% | +0.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.82% | 5.41% | +4.41% |
Volatility
PCBIX vs. VMGMX - Volatility Comparison
Principal MidCap Fund Institutional Class (PCBIX) has a higher volatility of 5.19% compared to Vanguard Mid-Cap Growth Index Fund Admiral Shares (VMGMX) at 4.20%. This indicates that PCBIX's price experiences larger fluctuations and is considered to be riskier than VMGMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PCBIX | VMGMX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.19% | 4.20% | +0.99% |
Volatility (6M)Calculated over the trailing 6-month period | 12.00% | 13.95% | -1.95% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.15% | 17.30% | -2.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.75% | 21.63% | -2.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.14% | 21.03% | -1.89% |
PCBIX vs. VMGMX - Expense Ratio Comparison
PCBIX has a 0.67% expense ratio, which is higher than VMGMX's 0.07% expense ratio.
Dividends
PCBIX vs. VMGMX - Dividend Comparison
PCBIX's dividend yield for the trailing twelve months is around 6.04%, more than VMGMX's 0.61% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PCBIX Principal MidCap Fund Institutional Class | 6.04% | 5.81% | 6.40% | 2.51% | 3.18% | 7.96% | 1.08% | 9.02% | 12.24% | 3.31% | 2.49% | 6.30% |
VMGMX Vanguard Mid-Cap Growth Index Fund Admiral Shares | 0.61% | 0.64% | 0.67% | 0.71% | 0.78% | 0.34% | 0.56% | 0.78% | 0.84% | 0.72% | 0.81% | 0.82% |
Frequently Asked Questions
PCBIX and VMGMX have a correlation of 0.64, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PCBIX has higher volatility (5.19%) compared to VMGMX (4.20%). In terms of maximum drawdown, PCBIX dropped -50.25% vs VMGMX's -37.17%.
VMGMX currently has the higher Sharpe Ratio (0.09 vs -0.61), 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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