TGWFX vs. IAAAX

Last updated Jun 6, 2026

TGWFX (Transamerica Large Growth Fund) and IAAAX (Transamerica Asset Allocation Growth Portfolio Fund) are both mutual funds - TGWFX is a Large Cap Growth Equities fund managed by Transamerica, while IAAAX is a Diversified Portfolio fund managed by Transamerica. Over the past 10 years, TGWFX returned 16.25%/yr vs 11.07%/yr for IAAAX. Their correlation of 0.84 suggests significant overlap in exposure. TGWFX charges 0.90%/yr vs 0.49%/yr for IAAAX.

Performance

TGWFX vs. IAAAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Transamerica Large Growth Fund (TGWFX) and Transamerica Asset Allocation Growth Portfolio Fund (IAAAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TGWFX achieves a 3.49% return, which is significantly lower than IAAAX's 10.05% return. Over the past 10 years, TGWFX has outperformed IAAAX with an annualized return of 16.25%, while IAAAX has yielded a comparatively lower 11.07% annualized return.

TGWFX

• 1D: 0.17%
• 1M: 2.51%
• YTD: 3.49%
• 6M: 1.52%
• 1Y: 17.07%
• 3Y*: 24.91%
• 5Y*: 7.24%
• 10Y*: 16.25%

IAAAX

• 1D: 0.38%
• 1M: 2.53%
• YTD: 10.05%
• 6M: 10.67%
• 1Y: 26.22%
• 3Y*: 20.02%
• 5Y*: 9.60%
• 10Y*: 11.07%

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

TGWFX vs. IAAAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TGWFX Transamerica Large Growth Fund	3.49%	19.57%	37.05%	43.40%	-46.00%	10.81%	72.98%	34.38%	-0.64%	32.45%
IAAAX Transamerica Asset Allocation Growth Portfolio Fund	10.05%	21.45%	17.37%	20.04%	-19.24%	16.14%	18.87%	21.75%	-11.48%	20.17%

Correlation

The correlation between TGWFX and IAAAX is 0.80, 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	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.82
Correlation (All Time) Calculated using the full available price history since Aug 6, 2012	0.84

The correlation between TGWFX and IAAAX has been stable across timeframes, ranging from 0.80 to 0.85 - a consistent structural relationship.

Return for Risk

TGWFX vs. IAAAX — Risk / Return Rank

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

TGWFX

TGWFX Risk / Return Rank: 9
TGWFX Sharpe Ratio Rank: 10
TGWFX Sortino Ratio Rank: 10
TGWFX Omega Ratio Rank: 10
TGWFX Calmar Ratio Rank: 9
TGWFX Martin Ratio Rank: 8

IAAAX

IAAAX Risk / Return Rank: 52
IAAAX Sharpe Ratio Rank: 50
IAAAX Sortino Ratio Rank: 48
IAAAX Omega Ratio Rank: 48
IAAAX Calmar Ratio Rank: 51
IAAAX Martin Ratio Rank: 63

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.

TGWFX vs. IAAAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Transamerica Large Growth Fund (TGWFX) and Transamerica Asset Allocation Growth Portfolio Fund (IAAAX). 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.

	TGWFX	IAAAX	Difference
Sharpe ratio: Return per unit of total volatility	0.78	2.01	-1.22
Sortino ratio: Return per unit of downside risk	1.18	2.82	-1.64
Omega ratio: Gain probability vs. loss probability	1.15	1.36	-0.22
Calmar ratio: Return relative to maximum drawdown	0.79	2.65	-1.87
Martin ratio: Return relative to average drawdown	2.09	11.86	-9.77
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TGWFX vs. IAAAX - Sharpe Ratio Comparison

The current TGWFX Sharpe Ratio is 0.78, which is lower than the IAAAX Sharpe Ratio of 2.01. The chart below compares the historical Sharpe Ratios of TGWFX and IAAAX, 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

	TGWFX	IAAAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.78	2.01	-1.22
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.22	0.59	-0.37
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	0.66	-0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.43	+0.10

Drawdowns

TGWFX vs. IAAAX - Drawdown Comparison

The maximum TGWFX drawdown since its inception was -56.40%, roughly equal to the maximum IAAAX drawdown of -56.57%. Use the drawdown chart below to compare losses from any high point for TGWFX and IAAAX.

Drawdown Indicators

	TGWFX	IAAAX	Difference
Max Drawdown Largest peak-to-trough decline	-56.40%	-56.57%	+0.17%
Max Drawdown (1Y) Largest decline over 1 year	-21.19%	-9.85%	-11.34%
Max Drawdown (3Y) Largest decline over 3 years	-28.84%	-17.90%	-10.94%
Max Drawdown (5Y) Largest decline over 5 years	-56.40%	-29.29%	-27.11%
Max Drawdown (10Y) Largest decline over 10 years	-56.40%	-35.34%	-21.06%
Current Drawdown Current decline from peak	-3.24%	-0.27%	-2.97%
Average Drawdown Average peak-to-trough decline	-13.81%	-9.53%	-4.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.93%	2.20%	+5.73%

Volatility

TGWFX vs. IAAAX - Volatility Comparison

Transamerica Large Growth Fund (TGWFX) has a higher volatility of 5.97% compared to Transamerica Asset Allocation Growth Portfolio Fund (IAAAX) at 3.33%. This indicates that TGWFX's price experiences larger fluctuations and is considered to be riskier than IAAAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TGWFX	IAAAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.97%	3.33%	+2.64%
Volatility (6M) Calculated over the trailing 6-month period	16.09%	10.13%	+5.96%
Volatility (1Y) Calculated over the trailing 1-year period	21.25%	13.01%	+8.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	32.42%	16.33%	+16.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.72%	16.84%	+10.88%

TGWFX vs. IAAAX - Expense Ratio Comparison

TGWFX has a 0.90% expense ratio, which is higher than IAAAX's 0.49% expense ratio.

Dividends

TGWFX vs. IAAAX - Dividend Comparison

TGWFX's dividend yield for the trailing twelve months is around 36.08%, more than IAAAX's 6.56% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IAAAX Transamerica Asset Allocation Growth Portfolio Fund	6.56%	7.21%	5.16%	2.79%	8.74%	8.25%	4.13%	9.02%	19.05%	11.01%	8.16%	9.44%
TGWFX Transamerica Large Growth Fund	36.08%	37.34%	21.74%	0.00%	1.42%	25.01%	16.24%	21.28%	9.80%	4.38%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TGWFX and IAAAX in my portfolio?

TGWFX and IAAAX have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TGWFX or IAAAX?

TGWFX has higher volatility (5.97%) compared to IAAAX (3.33%). In terms of maximum drawdown, TGWFX dropped -56.40% vs IAAAX's -56.57%.

Which has better risk-adjusted returns?

IAAAX currently has the higher Sharpe Ratio (2.01 vs 0.78), 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.