NUMG vs. TEKX

Last updated Apr 1, 2026

Compare and contrast key facts about Nuveen ESG Mid-Cap Growth ETF (NUMG) and SPDR Galaxy Transformative Tech Accelerators ETF (TEKX).

NUMG and TEKX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. NUMG is a passively managed fund by Nuveen that tracks the performance of the MSCI TIAA ESG USA Mid Cap Growth. It was launched on Dec 13, 2016. TEKX is an actively managed fund by State Street Global Advisors. It was launched on Sep 9, 2024.

Performance

NUMG vs. TEKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen ESG Mid-Cap Growth ETF (NUMG) and SPDR Galaxy Transformative Tech Accelerators ETF (TEKX). The values are adjusted to include any dividend payments, if applicable.

NUMG vs. TEKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
NUMG Nuveen ESG Mid-Cap Growth ETF	-13.96%	0.78%	13.22%
TEKX SPDR Galaxy Transformative Tech Accelerators ETF	2.40%	40.92%	14.80%

Returns By Period

In the year-to-date period, NUMG achieves a -13.96% return, which is significantly lower than TEKX's 2.40% return.

NUMG

• 1D: 3.29%
• 1M: -6.68%
• YTD: -13.96%
• 6M: -15.60%
• 1Y: -4.28%
• 3Y*: 2.51%
• 5Y*: -1.83%
• 10Y*: —

TEKX

• 1D: 4.77%
• 1M: -11.36%
• YTD: 2.40%
• 6M: -0.20%
• 1Y: 85.48%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

NUMG vs. TEKX - Expense Ratio Comparison

NUMG has a 0.30% expense ratio, which is lower than TEKX's 0.65% expense ratio.

TEKX

SPDR Galaxy Transformative Tech Accelerators ETF

NUMG

Nuveen ESG Mid-Cap Growth ETF

Return for Risk

NUMG vs. TEKX — Risk / Return Rank

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

NUMG

NUMG Risk / Return Rank: 8
NUMG Sharpe Ratio Rank: 8
NUMG Sortino Ratio Rank: 8
NUMG Omega Ratio Rank: 8
NUMG Calmar Ratio Rank: 8
NUMG Martin Ratio Rank: 7

TEKX

TEKX Risk / Return Rank: 91
TEKX Sharpe Ratio Rank: 90
TEKX Sortino Ratio Rank: 90
TEKX Omega Ratio Rank: 83
TEKX Calmar Ratio Rank: 96
TEKX Martin Ratio Rank: 93

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.

NUMG vs. TEKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen ESG Mid-Cap Growth ETF (NUMG) and SPDR Galaxy Transformative Tech Accelerators ETF (TEKX). 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.

	NUMG	TEKX	Difference
Sharpe ratio Return per unit of total volatility	-0.18	2.01	-2.19
Sortino ratio Return per unit of downside risk	-0.10	2.62	-2.72
Omega ratio Gain probability vs. loss probability	0.99	1.34	-0.35
Calmar ratio Return relative to maximum drawdown	-0.21	4.65	-4.86
Martin ratio Return relative to average drawdown	-0.65	14.15	-14.80
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NUMG vs. TEKX - Sharpe Ratio Comparison

The current NUMG Sharpe Ratio is -0.18, which is lower than the TEKX Sharpe Ratio of 2.01. The chart below compares the historical Sharpe Ratios of NUMG and TEKX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	NUMG	TEKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.18	2.01	-2.19
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.08	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.86	-0.49

Correlation

The correlation between NUMG and TEKX is 0.62, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

NUMG vs. TEKX - Dividend Comparison

NUMG's dividend yield for the trailing twelve months is around 0.01%, less than TEKX's 0.35% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
NUMG Nuveen ESG Mid-Cap Growth ETF	0.01%	0.01%	0.06%	0.18%	0.18%	12.76%	3.82%	0.27%	5.14%	0.56%
TEKX SPDR Galaxy Transformative Tech Accelerators ETF	0.35%	0.36%	3.47%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

NUMG vs. TEKX - Drawdown Comparison

The maximum NUMG drawdown since its inception was -38.85%, smaller than the maximum TEKX drawdown of -45.57%. Use the drawdown chart below to compare losses from any high point for NUMG and TEKX.

Drawdown Indicators

	NUMG	TEKX	Difference
Max Drawdown Largest peak-to-trough decline	-38.85%	-45.57%	+6.72%
Max Drawdown (1Y) Largest decline over 1 year	-19.71%	-17.92%	-1.79%
Max Drawdown (5Y) Largest decline over 5 years	-38.85%	—	—
Current Drawdown Current decline from peak	-21.68%	-14.01%	-7.67%
Average Drawdown Average peak-to-trough decline	-11.30%	-11.24%	-0.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.47%	5.89%	+0.58%

Volatility

NUMG vs. TEKX - Volatility Comparison

The current volatility for Nuveen ESG Mid-Cap Growth ETF (NUMG) is 6.83%, while SPDR Galaxy Transformative Tech Accelerators ETF (TEKX) has a volatility of 14.22%. This indicates that NUMG experiences smaller price fluctuations and is considered to be less risky than TEKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NUMG	TEKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.83%	14.22%	-7.39%
Volatility (6M) Calculated over the trailing 6-month period	14.15%	28.63%	-14.48%
Volatility (1Y) Calculated over the trailing 1-year period	23.42%	42.82%	-19.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.83%	44.86%	-22.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.92%	44.86%	-22.94%