EFRA vs. TNGY

Last updated Apr 2, 2026

Compare and contrast key facts about iShares Environmental Infrastructure and Industrials ETF (EFRA) and Tortoise Energy Fund (TNGY).

EFRA and TNGY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. EFRA is a passively managed fund by iShares that tracks the performance of the FTSE Green Revenues Select Infrastructure and Industrials Index - USD - Benchmark TR Net. It was launched on Nov 1, 2022. TNGY is an actively managed fund by Tortoise Capital. It was launched on Jun 16, 2025.

Performance

EFRA vs. TNGY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Environmental Infrastructure and Industrials ETF (EFRA) and Tortoise Energy Fund (TNGY). The values are adjusted to include any dividend payments, if applicable.

EFRA vs. TNGY - Yearly Performance Comparison

	2026 (YTD)	2025
EFRA iShares Environmental Infrastructure and Industrials ETF	4.82%	4.57%
TNGY Tortoise Energy Fund	14.20%	1.81%

Returns By Period

In the year-to-date period, EFRA achieves a 4.82% return, which is significantly lower than TNGY's 14.20% return.

EFRA

• 1D: 1.29%
• 1M: -6.50%
• YTD: 4.82%
• 6M: 5.05%
• 1Y: 18.73%
• 3Y*: 11.53%
• 5Y*: —
• 10Y*: —

TNGY

• 1D: -2.11%
• 1M: -0.64%
• YTD: 14.20%
• 6M: 13.92%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

EFRA vs. TNGY - Expense Ratio Comparison

EFRA has a 0.47% expense ratio, which is lower than TNGY's 0.85% expense ratio.

TNGY

Tortoise Energy Fund

EFRA

iShares Environmental Infrastructure and Industrials ETF

Return for Risk

EFRA vs. TNGY — Risk / Return Rank

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

EFRA

EFRA Risk / Return Rank: 61
EFRA Sharpe Ratio Rank: 63
EFRA Sortino Ratio Rank: 65
EFRA Omega Ratio Rank: 58
EFRA Calmar Ratio Rank: 62
EFRA Martin Ratio Rank: 57

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.

EFRA vs. TNGY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Environmental Infrastructure and Industrials ETF (EFRA) and Tortoise Energy Fund (TNGY). 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.

	EFRA	TNGY	Difference
Sharpe ratio Return per unit of total volatility	1.16	—	—
Sortino ratio Return per unit of downside risk	1.74	—	—
Omega ratio Gain probability vs. loss probability	1.23	—	—
Calmar ratio Return relative to maximum drawdown	1.73	—	—
Martin ratio Return relative to average drawdown	6.07	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	EFRA	TNGY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.16	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.94	1.49	-0.54

Correlation

The correlation between EFRA and TNGY is 0.14, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

EFRA vs. TNGY - Dividend Comparison

EFRA's dividend yield for the trailing twelve months is around 4.14%, more than TNGY's 3.44% yield.

	TTM	2025	2024	2023	2022
EFRA iShares Environmental Infrastructure and Industrials ETF	4.14%	4.34%	3.79%	1.85%	0.14%
TNGY Tortoise Energy Fund	3.44%	2.59%	0.00%	0.00%	0.00%

Drawdowns

EFRA vs. TNGY - Drawdown Comparison

The maximum EFRA drawdown since its inception was -16.25%, which is greater than TNGY's maximum drawdown of -5.30%. Use the drawdown chart below to compare losses from any high point for EFRA and TNGY.

Drawdown Indicators

	EFRA	TNGY	Difference
Max Drawdown Largest peak-to-trough decline	-16.25%	-5.30%	-10.95%
Max Drawdown (1Y) Largest decline over 1 year	-11.20%	—	—
Current Drawdown Current decline from peak	-7.11%	-4.76%	-2.35%
Average Drawdown Average peak-to-trough decline	-3.52%	-1.58%	-1.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.19%	—	—

Volatility

Volatility by Period

	EFRA	TNGY	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.01%	—	—
Volatility (6M) Calculated over the trailing 6-month period	10.25%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	16.24%	14.17%	+2.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.46%	14.17%	+1.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.46%	14.17%	+1.29%