IAAAX vs. TADAX

Last updated Jun 4, 2026

IAAAX (Transamerica Asset Allocation Growth Portfolio Fund) and TADAX (Transamerica US Growth) are both mutual funds - IAAAX is a Diversified Portfolio fund managed by Transamerica, while TADAX is a Large Cap Growth Equities fund managed by Transamerica. Over the past 10 years, IAAAX returned 11.15%/yr vs 16.83%/yr for TADAX. Their correlation of 0.91 suggests significant overlap in exposure. IAAAX charges 0.49%/yr vs 1.02%/yr for TADAX.

Performance

IAAAX vs. TADAX - Performance Comparison

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

Returns By Period

The year-to-date returns for both stocks are quite close, with IAAAX having a 10.35% return and TADAX slightly lower at 10.15%. Over the past 10 years, IAAAX has underperformed TADAX with an annualized return of 11.15%, while TADAX has yielded a comparatively higher 16.83% annualized return.

IAAAX

• 1D: 0.16%
• 1M: 5.48%
• YTD: 10.35%
• 6M: 11.52%
• 1Y: 26.56%
• 3Y*: 20.03%
• 5Y*: 9.85%
• 10Y*: 11.15%

TADAX

• 1D: -0.23%
• 1M: 7.69%
• YTD: 10.15%
• 6M: 9.07%
• 1Y: 28.79%
• 3Y*: 23.80%
• 5Y*: 13.21%
• 10Y*: 16.83%

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

IAAAX vs. TADAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IAAAX Transamerica Asset Allocation Growth Portfolio Fund	10.35%	21.45%	17.37%	20.04%	-19.24%	16.14%	18.87%	21.75%	-11.48%	20.17%
TADAX Transamerica US Growth	10.15%	17.09%	28.81%	41.45%	-31.60%	20.65%	35.85%	39.41%	-0.52%	28.71%

Correlation

The correlation between IAAAX and TADAX is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.90
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since Jan 5, 2010	0.91

The correlation between IAAAX and TADAX has been stable across timeframes, ranging from 0.88 to 0.91 - a consistent structural relationship.

Return for Risk

IAAAX vs. TADAX — Risk / Return Rank

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

IAAAX

IAAAX Risk / Return Rank: 53
IAAAX Sharpe Ratio Rank: 51
IAAAX Sortino Ratio Rank: 48
IAAAX Omega Ratio Rank: 48
IAAAX Calmar Ratio Rank: 53
IAAAX Martin Ratio Rank: 63

TADAX

TADAX Risk / Return Rank: 31
TADAX Sharpe Ratio Rank: 38
TADAX Sortino Ratio Rank: 34
TADAX Omega Ratio Rank: 35
TADAX Calmar Ratio Rank: 24
TADAX Martin Ratio Rank: 25

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.

IAAAX vs. TADAX - Risk-Adjusted Trends Comparison

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

	IAAAX	TADAX	Difference
Sharpe ratio Return per unit of total volatility	2.10	1.78	+0.31
Sortino ratio Return per unit of downside risk	2.93	2.42	+0.51
Omega ratio Gain probability vs. loss probability	1.38	1.31	+0.07
Calmar ratio Return relative to maximum drawdown	2.77	1.81	+0.96
Martin ratio Return relative to average drawdown	12.39	6.19	+6.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IAAAX vs. TADAX - Sharpe Ratio Comparison

The current IAAAX Sharpe Ratio is 2.10, which is comparable to the TADAX Sharpe Ratio of 1.78. The chart below compares the historical Sharpe Ratios of IAAAX and TADAX, 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

	IAAAX	TADAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.10	1.78	+0.31
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.61	0.57	+0.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.66	0.77	-0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.43	0.71	-0.28

Drawdowns

IAAAX vs. TADAX - Drawdown Comparison

The maximum IAAAX drawdown since its inception was -56.57%, which is greater than TADAX's maximum drawdown of -39.29%. Use the drawdown chart below to compare losses from any high point for IAAAX and TADAX.

Drawdown Indicators

	IAAAX	TADAX	Difference
Max Drawdown Largest peak-to-trough decline	-56.57%	-39.29%	-17.28%
Max Drawdown (1Y) Largest decline over 1 year	-9.85%	-16.48%	+6.63%
Max Drawdown (3Y) Largest decline over 3 years	-17.90%	-24.04%	+6.14%
Max Drawdown (5Y) Largest decline over 5 years	-29.29%	-39.29%	+10.00%
Max Drawdown (10Y) Largest decline over 10 years	-35.34%	-39.29%	+3.95%
Current Drawdown Current decline from peak	0.00%	-0.23%	+0.23%
Average Drawdown Average peak-to-trough decline	-9.53%	-6.40%	-3.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.19%	4.80%	-2.61%

Volatility

IAAAX vs. TADAX - Volatility Comparison

The current volatility for Transamerica Asset Allocation Growth Portfolio Fund (IAAAX) is 3.36%, while Transamerica US Growth (TADAX) has a volatility of 4.08%. This indicates that IAAAX experiences smaller price fluctuations and is considered to be less risky than TADAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IAAAX	TADAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.36%	4.08%	-0.72%
Volatility (6M) Calculated over the trailing 6-month period	10.13%	12.68%	-2.55%
Volatility (1Y) Calculated over the trailing 1-year period	12.99%	16.72%	-3.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.33%	23.14%	-6.81%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.85%	21.95%	-5.10%

IAAAX vs. TADAX - Expense Ratio Comparison

IAAAX has a 0.49% expense ratio, which is lower than TADAX's 1.02% expense ratio.

Dividends

IAAAX vs. TADAX - Dividend Comparison

IAAAX's dividend yield for the trailing twelve months is around 6.54%, more than TADAX's 4.17% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IAAAX Transamerica Asset Allocation Growth Portfolio Fund	6.54%	7.21%	5.16%	2.79%	8.74%	8.25%	4.13%	9.02%	19.05%	11.01%	8.16%	9.44%
TADAX Transamerica US Growth	4.17%	4.59%	16.73%	3.66%	4.60%	13.56%	9.73%	8.29%	12.42%	10.92%	2.29%	2.47%

Frequently Asked Questions

Can I hold both IAAAX and TADAX in my portfolio?

IAAAX and TADAX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IAAAX or TADAX?

TADAX has higher volatility (4.08%) compared to IAAAX (3.36%). In terms of maximum drawdown, IAAAX dropped -56.57% vs TADAX's -39.29%.

Which has better risk-adjusted returns?

IAAAX currently has the higher Sharpe Ratio (2.10 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.