VGREX vs. VCSTX

Last updated Jun 4, 2026

VGREX (VALIC Company I Global Real Estate Fund) and VCSTX (VALIC Company I Science & Technology Fund) are both mutual funds - VGREX is a REIT fund managed by VALIC, while VCSTX is a Technology Equities fund managed by VALIC. Over the past 10 years, VGREX returned 3.29%/yr vs 21.97%/yr for VCSTX. A 0.59 correlation means they provide meaningful diversification when combined. VGREX charges 0.86%/yr vs 0.94%/yr for VCSTX.

Performance

VGREX vs. VCSTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in VALIC Company I Global Real Estate Fund (VGREX) and VALIC Company I Science & Technology Fund (VCSTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VGREX achieves a 7.20% return, which is significantly lower than VCSTX's 37.85% return. Over the past 10 years, VGREX has underperformed VCSTX with an annualized return of 3.29%, while VCSTX has yielded a comparatively higher 21.97% annualized return.

VGREX

• 1D: 0.41%
• 1M: -0.94%
• YTD: 7.20%
• 6M: 7.20%
• 1Y: 9.83%
• 3Y*: 7.90%
• 5Y*: 0.10%
• 10Y*: 3.29%

VCSTX

• 1D: 1.20%
• 1M: 18.12%
• YTD: 37.85%
• 6M: 36.32%
• 1Y: 63.70%
• 3Y*: 37.62%
• 5Y*: 18.40%
• 10Y*: 21.97%

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

VGREX vs. VCSTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VGREX VALIC Company I Global Real Estate Fund	7.20%	5.83%	1.41%	9.90%	-25.89%	22.67%	-6.03%	24.50%	-7.18%	13.82%
VCSTX VALIC Company I Science & Technology Fund	37.85%	22.57%	32.60%	55.45%	-38.09%	11.89%	57.90%	39.12%	-9.29%	41.36%

Correlation

The correlation between VGREX and VCSTX is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.20
Correlation (3Y) Calculated over the trailing 3-year period	0.31
Correlation (5Y) Calculated over the trailing 5-year period	0.47
Correlation (10Y) Calculated over the trailing 10-year period	0.48
Correlation (All Time) Calculated using the full available price history since Apr 2, 2008	0.59

Over the past year, the correlation between VGREX and VCSTX has dropped to 0.20 - well below their long-term average of 0.59, suggesting their price drivers have been diverging.

Return for Risk

VGREX vs. VCSTX — Risk / Return Rank

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

VGREX

VGREX Risk / Return Rank: 10
VGREX Sharpe Ratio Rank: 10
VGREX Sortino Ratio Rank: 10
VGREX Omega Ratio Rank: 10
VGREX Calmar Ratio Rank: 9
VGREX Martin Ratio Rank: 12

VCSTX

VCSTX Risk / Return Rank: 74
VCSTX Sharpe Ratio Rank: 88
VCSTX Sortino Ratio Rank: 71
VCSTX Omega Ratio Rank: 67
VCSTX Calmar Ratio Rank: 83
VCSTX Martin Ratio Rank: 62

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.

VGREX vs. VCSTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VALIC Company I Global Real Estate Fund (VGREX) and VALIC Company I Science & Technology Fund (VCSTX). 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.

	VGREX	VCSTX	Difference
Sharpe ratio: Return per unit of total volatility	0.81	2.90	-2.09
Sortino ratio: Return per unit of downside risk	1.17	3.50	-2.33
Omega ratio: Gain probability vs. loss probability	1.15	1.46	-0.31
Calmar ratio: Return relative to maximum drawdown	0.93	3.87	-2.94
Martin ratio: Return relative to average drawdown	3.43	12.20	-8.76
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VGREX vs. VCSTX - Sharpe Ratio Comparison

The current VGREX Sharpe Ratio is 0.81, which is lower than the VCSTX Sharpe Ratio of 2.90. The chart below compares the historical Sharpe Ratios of VGREX and VCSTX, 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

	VGREX	VCSTX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.81	2.90	-2.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.01	0.69	-0.68
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.19	0.86	-0.67
Sharpe Ratio (All Time) Calculated using the full available price history	0.00	0.25	-0.24

Drawdowns

VGREX vs. VCSTX - Drawdown Comparison

The maximum VGREX drawdown since its inception was -63.57%, smaller than the maximum VCSTX drawdown of -89.61%. Use the drawdown chart below to compare losses from any high point for VGREX and VCSTX.

Drawdown Indicators

	VGREX	VCSTX	Difference
Max Drawdown Largest peak-to-trough decline	-63.57%	-89.61%	+26.04%
Max Drawdown (1Y) Largest decline over 1 year	-10.29%	-17.03%	+6.74%
Max Drawdown (3Y) Largest decline over 3 years	-20.19%	-28.63%	+8.44%
Max Drawdown (5Y) Largest decline over 5 years	-34.17%	-44.91%	+10.74%
Max Drawdown (10Y) Largest decline over 10 years	-39.92%	-44.91%	+4.99%
Current Drawdown Current decline from peak	-6.29%	0.00%	-6.29%
Average Drawdown Average peak-to-trough decline	-23.79%	-47.10%	+23.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.78%	5.38%	-2.60%

Volatility

VGREX vs. VCSTX - Volatility Comparison

The current volatility for VALIC Company I Global Real Estate Fund (VGREX) is 3.76%, while VALIC Company I Science & Technology Fund (VCSTX) has a volatility of 7.34%. This indicates that VGREX experiences smaller price fluctuations and is considered to be less risky than VCSTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VGREX	VCSTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.76%	7.34%	-3.58%
Volatility (6M) Calculated over the trailing 6-month period	9.09%	18.44%	-9.35%
Volatility (1Y) Calculated over the trailing 1-year period	11.83%	22.74%	-10.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.04%	26.99%	-10.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.00%	25.56%	-8.56%

VGREX vs. VCSTX - Expense Ratio Comparison

VGREX has a 0.86% expense ratio, which is lower than VCSTX's 0.94% expense ratio.

Dividends

VGREX vs. VCSTX - Dividend Comparison

VGREX's dividend yield for the trailing twelve months is around 2.99%, less than VCSTX's 5.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
VCSTX VALIC Company I Science & Technology Fund	5.41%	0.00%	0.00%	16.31%	42.68%	11.14%	8.13%	19.76%	0.00%	6.21%
VGREX VALIC Company I Global Real Estate Fund	2.99%	0.00%	2.68%	4.62%	1.92%	6.64%	4.61%	3.34%	4.34%	9.31%

Frequently Asked Questions

Can I hold both VGREX and VCSTX in my portfolio?

VGREX and VCSTX have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VGREX or VCSTX?

VCSTX has higher volatility (7.34%) compared to VGREX (3.76%). In terms of maximum drawdown, VGREX dropped -63.57% vs VCSTX's -89.61%.

Which has better risk-adjusted returns?

VCSTX currently has the higher Sharpe Ratio (2.90 vs 0.81), 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.