PGRTX vs. PTDIX

Last updated Jun 23, 2026

PGRTX (Principal SmallCap Growth Fund I) and PTDIX (Principal LifeTime 2040 Fund) are both mutual funds - PGRTX is a Small Cap Growth Equities fund managed by Principal, while PTDIX is a Target Retirement Date fund managed by Principal. Over the past 10 years, PGRTX returned 14.44%/yr vs 10.60%/yr for PTDIX. Their correlation of 0.88 suggests significant overlap in exposure. PGRTX charges 0.94%/yr vs 0.01%/yr for PTDIX.

Performance

PGRTX vs. PTDIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal SmallCap Growth Fund I (PGRTX) and Principal LifeTime 2040 Fund (PTDIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PGRTX achieves a 24.59% return, which is significantly higher than PTDIX's 7.32% return. Over the past 10 years, PGRTX has outperformed PTDIX with an annualized return of 14.44%, while PTDIX has yielded a comparatively lower 10.60% annualized return.

PGRTX

• 1D: 2.85%
• 1M: 6.05%
• YTD: 24.59%
• 6M: 20.43%
• 1Y: 44.52%
• 3Y*: 21.97%
• 5Y*: 8.16%
• 10Y*: 14.44%

PTDIX

• 1D: 1.02%
• 1M: 1.53%
• YTD: 7.32%
• 6M: 7.21%
• 1Y: 18.66%
• 3Y*: 16.00%
• 5Y*: 8.36%
• 10Y*: 10.60%

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

PGRTX vs. PTDIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PGRTX Principal SmallCap Growth Fund I	24.59%	12.87%	22.98%	16.43%	-28.55%	7.02%	42.08%	33.64%	-5.70%	26.33%
PTDIX Principal LifeTime 2040 Fund	7.32%	15.59%	17.43%	18.33%	-18.13%	15.35%	16.04%	24.91%	-7.95%	20.69%

Correlation

The correlation between PGRTX and PTDIX 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	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since Mar 2, 2001	0.88

The correlation between PGRTX and PTDIX has been stable across timeframes, ranging from 0.84 to 0.88 - a consistent structural relationship.

Return for Risk

PGRTX vs. PTDIX — Risk / Return Rank

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

PGRTX

PGRTX Risk / Return Rank: 58
PGRTX Sharpe Ratio Rank: 52
PGRTX Sortino Ratio Rank: 47
PGRTX Omega Ratio Rank: 44
PGRTX Calmar Ratio Rank: 75
PGRTX Martin Ratio Rank: 72

PTDIX

PTDIX Risk / Return Rank: 47
PTDIX Sharpe Ratio Rank: 42
PTDIX Sortino Ratio Rank: 41
PTDIX Omega Ratio Rank: 43
PTDIX Calmar Ratio Rank: 48
PTDIX Martin Ratio Rank: 58

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.

PGRTX vs. PTDIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal SmallCap Growth Fund I (PGRTX) and Principal LifeTime 2040 Fund (PTDIX). 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.

	PGRTX	PTDIX	Difference
Sharpe ratio: Return per unit of total volatility	1.97	1.78	+0.19
Sortino ratio: Return per unit of downside risk	2.66	2.51	+0.15
Omega ratio: Gain probability vs. loss probability	1.33	1.33	0.00
Calmar ratio: Return relative to maximum drawdown	3.24	2.52	+0.71
Martin ratio: Return relative to average drawdown	12.86	10.99	+1.87

PGRTX vs. PTDIX - Sharpe Ratio Comparison

The current PGRTX Sharpe Ratio is 1.97, which is comparable to the PTDIX Sharpe Ratio of 1.78. The chart below compares the historical Sharpe Ratios of PGRTX and PTDIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PGRTX vs. PTDIX - Drawdown Comparison

The maximum PGRTX drawdown since its inception was -60.60%, which is greater than PTDIX's maximum drawdown of -54.38%. Use the drawdown chart below to compare losses from any high point for PGRTX and PTDIX.

Drawdown Indicators

	PGRTX	PTDIX	Difference
Max Drawdown Largest peak-to-trough decline	-60.60%	-54.38%	-6.22%
Max Drawdown (1Y) Largest decline over 1 year	-13.70%	-7.32%	-6.38%
Max Drawdown (3Y) Largest decline over 3 years	-27.14%	-13.05%	-14.09%
Max Drawdown (5Y) Largest decline over 5 years	-39.51%	-25.43%	-14.08%
Max Drawdown (10Y) Largest decline over 10 years	-39.51%	-30.02%	-9.49%
Current Drawdown Current decline from peak	0.00%	-0.45%	+0.45%
Average Drawdown Average peak-to-trough decline	-15.51%	-7.48%	-8.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.44%	1.68%	+1.76%

Volatility

PGRTX vs. PTDIX - Volatility Comparison

Principal SmallCap Growth Fund I (PGRTX) has a higher volatility of 8.31% compared to Principal LifeTime 2040 Fund (PTDIX) at 4.05%. This indicates that PGRTX's price experiences larger fluctuations and is considered to be riskier than PTDIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PGRTX	PTDIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.31%	4.05%	+4.26%
Volatility (6M) Calculated over the trailing 6-month period	17.69%	8.56%	+9.13%
Volatility (1Y) Calculated over the trailing 1-year period	22.53%	10.36%	+12.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.08%	13.58%	+10.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.14%	13.86%	+9.28%

PGRTX vs. PTDIX - Expense Ratio Comparison

PGRTX has a 0.94% expense ratio, which is higher than PTDIX's 0.01% expense ratio.

Dividends

PGRTX vs. PTDIX - Dividend Comparison

PGRTX's dividend yield for the trailing twelve months is around 7.38%, less than PTDIX's 9.13% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PGRTX Principal SmallCap Growth Fund I	7.38%	9.19%	15.56%	0.00%	0.82%	14.35%	4.82%	7.50%	21.37%	5.99%	3.05%	9.16%
PTDIX Principal LifeTime 2040 Fund	9.13%	9.80%	12.28%	4.40%	8.61%	8.92%	6.01%	7.26%	9.28%	6.07%	4.86%	6.73%

Frequently Asked Questions

Can I hold both PGRTX and PTDIX in my portfolio?

PGRTX and PTDIX 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.

Which is riskier, PGRTX or PTDIX?

PGRTX has higher volatility (8.31%) compared to PTDIX (4.05%). In terms of maximum drawdown, PGRTX dropped -60.60% vs PTDIX's -54.38%.

Which has better risk-adjusted returns?

PGRTX currently has the higher Sharpe Ratio (1.97 vs 1.78), 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.