TGWFX vs. CTCAX

Last updated Jun 6, 2026

TGWFX (Transamerica Large Growth Fund) and CTCAX (Columbia Global Technology Growth Fund Class A) are both mutual funds - TGWFX is a Large Cap Growth Equities fund managed by Transamerica, while CTCAX is a Technology Equities fund managed by Columbia. Over the past 10 years, TGWFX returned 16.25%/yr vs 24.42%/yr for CTCAX. Their correlation of 0.89 suggests significant overlap in exposure. TGWFX charges 0.90%/yr vs 1.18%/yr for CTCAX.

Performance

TGWFX vs. CTCAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Transamerica Large Growth Fund (TGWFX) and Columbia Global Technology Growth Fund Class A (CTCAX). 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 CTCAX's 29.12% return. Over the past 10 years, TGWFX has underperformed CTCAX with an annualized return of 16.25%, while CTCAX has yielded a comparatively higher 24.42% 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%

CTCAX

• 1D: -1.43%
• 1M: 9.55%
• YTD: 29.12%
• 6M: 27.31%
• 1Y: 57.31%
• 3Y*: 35.18%
• 5Y*: 19.99%
• 10Y*: 24.42%

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

TGWFX vs. CTCAX - 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%
CTCAX Columbia Global Technology Growth Fund Class A	29.12%	24.78%	31.39%	56.46%	-34.81%	22.73%	49.46%	43.91%	-1.48%	42.99%

Correlation

The correlation between TGWFX and CTCAX is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Aug 6, 2012	0.89

The correlation between TGWFX and CTCAX has been stable across timeframes, ranging from 0.79 to 0.89 - a consistent structural relationship.

Return for Risk

TGWFX vs. CTCAX — 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

CTCAX

CTCAX Risk / Return Rank: 78
CTCAX Sharpe Ratio Rank: 85
CTCAX Sortino Ratio Rank: 69
CTCAX Omega Ratio Rank: 67
CTCAX Calmar Ratio Rank: 86
CTCAX Martin Ratio Rank: 83

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. CTCAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Transamerica Large Growth Fund (TGWFX) and Columbia Global Technology Growth Fund Class A (CTCAX). 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	CTCAX	Difference
Sharpe ratio: Return per unit of total volatility	0.78	2.72	-1.94
Sortino ratio: Return per unit of downside risk	1.18	3.37	-2.19
Omega ratio: Gain probability vs. loss probability	1.15	1.44	-0.30
Calmar ratio: Return relative to maximum drawdown	0.79	3.98	-3.20
Martin ratio: Return relative to average drawdown	2.09	14.86	-12.77
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. CTCAX - Sharpe Ratio Comparison

The current TGWFX Sharpe Ratio is 0.78, which is lower than the CTCAX Sharpe Ratio of 2.72. The chart below compares the historical Sharpe Ratios of TGWFX and CTCAX, 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	CTCAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.78	2.72	-1.94
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.22	0.77	-0.55
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	0.99	-0.40
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.77	-0.25

Drawdowns

TGWFX vs. CTCAX - Drawdown Comparison

The maximum TGWFX drawdown since its inception was -56.40%, smaller than the maximum CTCAX drawdown of -61.04%. Use the drawdown chart below to compare losses from any high point for TGWFX and CTCAX.

Drawdown Indicators

	TGWFX	CTCAX	Difference
Max Drawdown Largest peak-to-trough decline	-56.40%	-61.04%	+4.64%
Max Drawdown (1Y) Largest decline over 1 year	-21.19%	-14.43%	-6.76%
Max Drawdown (3Y) Largest decline over 3 years	-28.84%	-26.67%	-2.17%
Max Drawdown (5Y) Largest decline over 5 years	-56.40%	-39.55%	-16.85%
Max Drawdown (10Y) Largest decline over 10 years	-56.40%	-39.55%	-16.85%
Current Drawdown Current decline from peak	-3.24%	-2.23%	-1.01%
Average Drawdown Average peak-to-trough decline	-13.81%	-10.68%	-3.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.93%	3.86%	+4.07%

Volatility

TGWFX vs. CTCAX - Volatility Comparison

The current volatility for Transamerica Large Growth Fund (TGWFX) is 5.97%, while Columbia Global Technology Growth Fund Class A (CTCAX) has a volatility of 6.81%. This indicates that TGWFX experiences smaller price fluctuations and is considered to be less risky than CTCAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TGWFX	CTCAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.97%	6.81%	-0.84%
Volatility (6M) Calculated over the trailing 6-month period	16.09%	16.81%	-0.72%
Volatility (1Y) Calculated over the trailing 1-year period	21.25%	21.11%	+0.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	32.42%	25.98%	+6.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.72%	24.84%	+2.88%

TGWFX vs. CTCAX - Expense Ratio Comparison

TGWFX has a 0.90% expense ratio, which is lower than CTCAX's 1.18% expense ratio.

Dividends

TGWFX vs. CTCAX - Dividend Comparison

TGWFX's dividend yield for the trailing twelve months is around 36.08%, more than CTCAX's 2.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CTCAX Columbia Global Technology Growth Fund Class A	2.55%	3.29%	1.08%	2.36%	3.53%	4.15%	0.91%	2.55%	5.82%	3.52%	0.36%	1.80%
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 CTCAX in my portfolio?

TGWFX and CTCAX have a correlation of 0.79, 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 CTCAX?

CTCAX has higher volatility (6.81%) compared to TGWFX (5.97%). In terms of maximum drawdown, TGWFX dropped -56.40% vs CTCAX's -61.04%.

Which has better risk-adjusted returns?

CTCAX currently has the higher Sharpe Ratio (2.72 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.