MLPDX vs. HMSFX

Last updated Jun 23, 2026

MLPDX (Invesco SteelPath MLP Income Fund Class A) and HMSFX (Hennessy Midstream Fund Investor Class) are both MLPs funds. MLPDX is actively managed, while HMSFX is passively managed. Over the past 5 years, MLPDX returned 18.48%/yr vs 19.08%/yr for HMSFX. Their correlation of 0.92 suggests significant overlap in exposure. MLPDX charges 9.02%/yr vs 1.75%/yr for HMSFX.

Performance

MLPDX vs. HMSFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco SteelPath MLP Income Fund Class A (MLPDX) and Hennessy Midstream Fund Investor Class (HMSFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MLPDX achieves a 16.34% return, which is significantly higher than HMSFX's 14.51% return.

MLPDX

• 1D: 0.15%
• 1M: -6.45%
• YTD: 16.34%
• 6M: 16.54%
• 1Y: 19.28%
• 3Y*: 20.36%
• 5Y*: 18.48%
• 10Y*: 9.69%

HMSFX

• 1D: 0.24%
• 1M: -6.15%
• YTD: 14.51%
• 6M: 15.40%
• 1Y: 13.96%
• 3Y*: 20.38%
• 5Y*: 19.08%
• 10Y*: —

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

MLPDX vs. HMSFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
MLPDX Invesco SteelPath MLP Income Fund Class A	16.34%	7.69%	24.00%	20.32%	25.11%	44.69%	-25.75%	18.07%	-16.37%
HMSFX Hennessy Midstream Fund Investor Class	14.51%	-0.76%	35.85%	23.50%	28.88%	36.22%	-31.21%	11.77%	-20.36%

Correlation

The correlation between MLPDX and HMSFX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (All Time) Calculated using the full available price history since Sep 4, 2018	0.92

The correlation between MLPDX and HMSFX has been stable across timeframes, ranging from 0.90 to 0.93 - a consistent structural relationship.

Return for Risk

MLPDX vs. HMSFX — Risk / Return Rank

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

MLPDX

MLPDX Risk / Return Rank: 42
MLPDX Sharpe Ratio Rank: 39
MLPDX Sortino Ratio Rank: 37
MLPDX Omega Ratio Rank: 33
MLPDX Calmar Ratio Rank: 55
MLPDX Martin Ratio Rank: 44

HMSFX

HMSFX Risk / Return Rank: 19
HMSFX Sharpe Ratio Rank: 14
HMSFX Sortino Ratio Rank: 14
HMSFX Omega Ratio Rank: 13
HMSFX Calmar Ratio Rank: 35
HMSFX Martin Ratio Rank: 19

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.

MLPDX vs. HMSFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco SteelPath MLP Income Fund Class A (MLPDX) and Hennessy Midstream Fund Investor Class (HMSFX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MLPDX	HMSFX	Difference
Sharpe ratio: Return per unit of total volatility	1.68	0.99	+0.68
Sortino ratio: Return per unit of downside risk	2.37	1.44	+0.93
Omega ratio: Gain probability vs. loss probability	1.28	1.18	+0.11
Calmar ratio: Return relative to maximum drawdown	2.72	2.12	+0.60
Martin ratio: Return relative to average drawdown	8.80	4.53	+4.27

MLPDX vs. HMSFX - Sharpe Ratio Comparison

The current MLPDX Sharpe Ratio is 1.68, which is higher than the HMSFX Sharpe Ratio of 0.99. The chart below compares the historical Sharpe Ratios of MLPDX and HMSFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MLPDX vs. HMSFX - Drawdown Comparison

The maximum MLPDX drawdown since its inception was -77.09%, which is greater than HMSFX's maximum drawdown of -68.50%. Use the drawdown chart below to compare losses from any high point for MLPDX and HMSFX.

Drawdown Indicators

	MLPDX	HMSFX	Difference
Max Drawdown Largest peak-to-trough decline	-77.09%	-68.50%	-8.59%
Max Drawdown (1Y) Largest decline over 1 year	-7.23%	-6.98%	-0.25%
Max Drawdown (3Y) Largest decline over 3 years	-14.45%	-16.38%	+1.93%
Max Drawdown (5Y) Largest decline over 5 years	-17.98%	-21.17%	+3.19%
Max Drawdown (10Y) Largest decline over 10 years	-72.90%	—	—
Current Drawdown Current decline from peak	-7.09%	-6.48%	-0.61%
Average Drawdown Average peak-to-trough decline	-13.37%	-12.36%	-1.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.22%	3.25%	-1.03%

Volatility

MLPDX vs. HMSFX - Volatility Comparison

The current volatility for Invesco SteelPath MLP Income Fund Class A (MLPDX) is 4.18%, while Hennessy Midstream Fund Investor Class (HMSFX) has a volatility of 5.09%. This indicates that MLPDX experiences smaller price fluctuations and is considered to be less risky than HMSFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MLPDX	HMSFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.18%	5.09%	-0.91%
Volatility (6M) Calculated over the trailing 6-month period	8.97%	11.49%	-2.52%
Volatility (1Y) Calculated over the trailing 1-year period	11.71%	14.86%	-3.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.32%	20.11%	-2.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.75%	29.32%	-3.57%

MLPDX vs. HMSFX - Expense Ratio Comparison

MLPDX has a 9.02% expense ratio, which is higher than HMSFX's 1.75% expense ratio.

Dividends

MLPDX vs. HMSFX - Dividend Comparison

MLPDX's dividend yield for the trailing twelve months is around 6.88%, less than HMSFX's 8.08% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
HMSFX Hennessy Midstream Fund Investor Class	8.08%	8.89%	8.12%	10.11%	11.23%	12.99%	15.54%	9.26%	4.74%	0.00%	0.00%	0.00%
MLPDX Invesco SteelPath MLP Income Fund Class A	6.88%	7.51%	6.42%	7.72%	8.49%	9.74%	17.44%	17.48%	13.70%	10.99%	10.00%	11.12%

Frequently Asked Questions

Can I hold both MLPDX and HMSFX in my portfolio?

With a correlation of 0.91, MLPDX and HMSFX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MLPDX or HMSFX?

HMSFX has higher volatility (5.09%) compared to MLPDX (4.18%). In terms of maximum drawdown, MLPDX dropped -77.09% vs HMSFX's -68.50%.

Which has better risk-adjusted returns?

MLPDX currently has the higher Sharpe Ratio (1.68 vs 0.99), 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.