LTFIX vs. VIGRX

Last updated Jun 3, 2026

LTFIX (Principal LifeTime 2055 Fund) and VIGRX (Vanguard Growth Index Fund) are both mutual funds - LTFIX is a Target Retirement Date fund managed by Principal, while VIGRX is a Large Cap Growth Equities fund managed by Vanguard. Over the past 10 years, LTFIX returned 11.55%/yr vs 18.27%/yr for VIGRX. Their correlation of 0.91 suggests significant overlap in exposure. LTFIX charges 0.01%/yr vs 0.17%/yr for VIGRX.

Performance

LTFIX vs. VIGRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal LifeTime 2055 Fund (LTFIX) and Vanguard Growth Index Fund (VIGRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LTFIX achieves a 9.21% return, which is significantly lower than VIGRX's 11.08% return. Over the past 10 years, LTFIX has underperformed VIGRX with an annualized return of 11.55%, while VIGRX has yielded a comparatively higher 18.27% annualized return.

LTFIX

• 1D: 0.69%
• 1M: 3.98%
• YTD: 9.21%
• 6M: 10.05%
• 1Y: 22.73%
• 3Y*: 18.67%
• 5Y*: 9.19%
• 10Y*: 11.55%

VIGRX

• 1D: 0.77%
• 1M: 7.63%
• YTD: 11.08%
• 6M: 10.36%
• 1Y: 30.53%
• 3Y*: 26.38%
• 5Y*: 15.38%
• 10Y*: 18.27%

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

LTFIX vs. VIGRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LTFIX Principal LifeTime 2055 Fund	9.21%	17.80%	17.28%	20.33%	-18.84%	17.73%	16.47%	27.27%	-9.03%	22.52%
VIGRX Vanguard Growth Index Fund	11.08%	19.18%	32.51%	46.59%	-33.22%	27.10%	40.01%	37.08%	-3.47%	27.64%

Correlation

The correlation between LTFIX and VIGRX is 0.82, 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	0.82
Correlation (3Y) Calculated over the trailing 3-year period	0.80
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Mar 3, 2008	0.91

The correlation between LTFIX and VIGRX shifts across timeframes, from 0.80 (3 years) to 0.91 (all time), reflecting how their relationship changes across market environments.

Return for Risk

LTFIX vs. VIGRX — Risk / Return Rank

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

LTFIX

LTFIX Risk / Return Rank: 49
LTFIX Sharpe Ratio Rank: 45
LTFIX Sortino Ratio Rank: 44
LTFIX Omega Ratio Rank: 45
LTFIX Calmar Ratio Rank: 48
LTFIX Martin Ratio Rank: 60

VIGRX

VIGRX Risk / Return Rank: 36
VIGRX Sharpe Ratio Rank: 45
VIGRX Sortino Ratio Rank: 41
VIGRX Omega Ratio Rank: 41
VIGRX Calmar Ratio Rank: 24
VIGRX Martin Ratio Rank: 27

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.

LTFIX vs. VIGRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal LifeTime 2055 Fund (LTFIX) and Vanguard Growth Index Fund (VIGRX). 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.

	LTFIX	VIGRX	Difference
Sharpe ratio Return per unit of total volatility	1.98	1.99	-0.01
Sortino ratio Return per unit of downside risk	2.79	2.67	+0.12
Omega ratio Gain probability vs. loss probability	1.36	1.34	+0.02
Calmar ratio Return relative to maximum drawdown	2.67	1.89	+0.78
Martin ratio Return relative to average drawdown	12.03	6.67	+5.36
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LTFIX vs. VIGRX - Sharpe Ratio Comparison

The current LTFIX Sharpe Ratio is 1.98, which is comparable to the VIGRX Sharpe Ratio of 1.99. The chart below compares the historical Sharpe Ratios of LTFIX and VIGRX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	LTFIX	VIGRX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.98	1.99	-0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.60	0.69	-0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.85	-0.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.46	0.59	-0.12

Drawdowns

LTFIX vs. VIGRX - Drawdown Comparison

The maximum LTFIX drawdown since its inception was -52.73%, smaller than the maximum VIGRX drawdown of -57.47%. Use the drawdown chart below to compare losses from any high point for LTFIX and VIGRX.

Drawdown Indicators

	LTFIX	VIGRX	Difference
Max Drawdown Largest peak-to-trough decline	-52.73%	-57.47%	+4.74%
Max Drawdown (1Y) Largest decline over 1 year	-8.71%	-16.55%	+7.84%
Max Drawdown (3Y) Largest decline over 3 years	-15.70%	-23.13%	+7.43%
Max Drawdown (5Y) Largest decline over 5 years	-26.80%	-35.70%	+8.90%
Max Drawdown (10Y) Largest decline over 10 years	-33.50%	-35.70%	+2.20%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-7.64%	-14.21%	+6.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.93%	4.70%	-2.77%

Volatility

LTFIX vs. VIGRX - Volatility Comparison

The current volatility for Principal LifeTime 2055 Fund (LTFIX) is 3.35%, while Vanguard Growth Index Fund (VIGRX) has a volatility of 3.59%. This indicates that LTFIX experiences smaller price fluctuations and is considered to be less risky than VIGRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LTFIX	VIGRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.35%	3.59%	-0.24%
Volatility (6M) Calculated over the trailing 6-month period	9.46%	12.11%	-2.65%
Volatility (1Y) Calculated over the trailing 1-year period	11.86%	15.90%	-4.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.46%	22.35%	-6.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.84%	21.59%	-5.75%

LTFIX vs. VIGRX - Expense Ratio Comparison

LTFIX has a 0.01% expense ratio, which is lower than VIGRX's 0.17% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

LTFIX vs. VIGRX - Dividend Comparison

LTFIX's dividend yield for the trailing twelve months is around 7.99%, more than VIGRX's 0.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LTFIX Principal LifeTime 2055 Fund	7.99%	8.73%	8.47%	4.17%	8.60%	5.83%	3.91%	6.03%	6.60%	3.51%	3.99%	4.51%
VIGRX Vanguard Growth Index Fund	0.26%	0.22%	0.35%	0.47%	0.54%	0.36%	0.56%	0.83%	1.18%	1.03%	1.27%	1.16%

Frequently Asked Questions

Can I hold both LTFIX and VIGRX in my portfolio?

LTFIX and VIGRX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LTFIX or VIGRX?

VIGRX has higher volatility (3.59%) compared to LTFIX (3.35%). In terms of maximum drawdown, LTFIX dropped -52.73% vs VIGRX's -57.47%.

Which has better risk-adjusted returns?

VIGRX currently has the higher Sharpe Ratio (1.99 vs 1.98), 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.