RPXIX vs. MMLP

Last updated Jun 23, 2026

RPXIX (RiverPark Large Growth Fund) is Large Cap Growth Equities fund managed by RiverPark Funds, while MMLP (Martin Midstream Partners L.P.) is a stock. Over the past 10 years, RPXIX returned 11.83%/yr vs -16.35%/yr for MMLP. At a 0.19 correlation, their price movements are largely independent.

Performance

RPXIX vs. MMLP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RiverPark Large Growth Fund (RPXIX) and Martin Midstream Partners L.P. (MMLP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RPXIX achieves a -0.24% return, which is significantly higher than MMLP's -17.31% return. Over the past 10 years, RPXIX has outperformed MMLP with an annualized return of 11.83%, while MMLP has yielded a comparatively lower -16.35% annualized return.

RPXIX

• 1D: 1.04%
• 1M: -0.21%
• YTD: -0.24%
• 6M: -0.58%
• 1Y: 11.67%
• 3Y*: 17.08%
• 5Y*: -0.18%
• 10Y*: 11.83%

MMLP

• 1D: -10.04%
• 1M: -14.34%
• YTD: -17.31%
• 6M: -13.68%
• 1Y: -30.14%
• 3Y*: 2.31%
• 5Y*: -5.94%
• 10Y*: -16.35%

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

RPXIX vs. MMLP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RPXIX RiverPark Large Growth Fund	-0.24%	13.18%	22.55%	51.57%	-47.37%	1.09%	55.28%	32.49%	-4.78%	30.27%
MMLP Martin Midstream Partners L.P.	-17.31%	-26.82%	50.60%	-19.38%	13.38%	87.58%	-62.45%	-53.96%	-15.36%	-14.97%

Correlation

The correlation between RPXIX and MMLP is 0.01, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.01
Correlation (3Y) Calculated over the trailing 3-year period	0.08
Correlation (5Y) Calculated over the trailing 5-year period	0.10
Correlation (10Y) Calculated over the trailing 10-year period	0.13
Correlation (All Time) Calculated using the full available price history since Jan 3, 2011	0.19

The correlation between RPXIX and MMLP shifts across timeframes, from 0.01 (1 year) to 0.19 (all time), reflecting how their relationship changes across market environments.

Return for Risk

RPXIX vs. MMLP — Risk / Return Rank

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

RPXIX

RPXIX Risk / Return Rank: 9
RPXIX Sharpe Ratio Rank: 10
RPXIX Sortino Ratio Rank: 9
RPXIX Omega Ratio Rank: 9
RPXIX Calmar Ratio Rank: 8
RPXIX Martin Ratio Rank: 9

MMLP

MMLP Risk / Return Rank: 15
MMLP Sharpe Ratio Rank: 18
MMLP Sortino Ratio Rank: 20
MMLP Omega Ratio Rank: 20
MMLP Calmar Ratio Rank: 11
MMLP Martin Ratio Rank: 5

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.

RPXIX vs. MMLP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RiverPark Large Growth Fund (RPXIX) and Martin Midstream Partners L.P. (MMLP). 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.

	RPXIX	MMLP	Difference
Sharpe ratio: Return per unit of total volatility	0.74	-0.54	+1.28
Sortino ratio: Return per unit of downside risk	1.10	-0.50	+1.59
Omega ratio: Gain probability vs. loss probability	1.14	0.94	+0.20
Calmar ratio: Return relative to maximum drawdown	0.72	-0.80	+1.52
Martin ratio: Return relative to average drawdown	2.41	-1.53	+3.94

RPXIX vs. MMLP - Sharpe Ratio Comparison

The current RPXIX Sharpe Ratio is 0.74, which is higher than the MMLP Sharpe Ratio of -0.54. The chart below compares the historical Sharpe Ratios of RPXIX and MMLP, 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

RPXIX vs. MMLP - Drawdown Comparison

The maximum RPXIX drawdown since its inception was -58.56%, smaller than the maximum MMLP drawdown of -95.75%. Use the drawdown chart below to compare losses from any high point for RPXIX and MMLP.

Drawdown Indicators

	RPXIX	MMLP	Difference
Max Drawdown Largest peak-to-trough decline	-58.56%	-95.75%	+37.19%
Max Drawdown (1Y) Largest decline over 1 year	-15.28%	-37.87%	+22.59%
Max Drawdown (3Y) Largest decline over 3 years	-21.93%	-46.22%	+24.29%
Max Drawdown (5Y) Largest decline over 5 years	-58.56%	-64.19%	+5.63%
Max Drawdown (10Y) Largest decline over 10 years	-58.56%	-93.82%	+35.26%
Current Drawdown Current decline from peak	-8.10%	-89.55%	+81.45%
Average Drawdown Average peak-to-trough decline	-11.61%	-39.28%	+27.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.56%	19.75%	-15.19%

Volatility

RPXIX vs. MMLP - Volatility Comparison

The current volatility for RiverPark Large Growth Fund (RPXIX) is 5.30%, while Martin Midstream Partners L.P. (MMLP) has a volatility of 22.97%. This indicates that RPXIX experiences smaller price fluctuations and is considered to be less risky than MMLP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RPXIX	MMLP	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.30%	22.97%	-17.67%
Volatility (6M) Calculated over the trailing 6-month period	11.84%	45.90%	-34.06%
Volatility (1Y) Calculated over the trailing 1-year period	14.81%	56.08%	-41.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.32%	53.41%	-27.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.76%	65.01%	-40.25%

Dividends

RPXIX vs. MMLP - Dividend Comparison

RPXIX's dividend yield for the trailing twelve months is around 9.17%, more than MMLP's 0.93% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MMLP Martin Midstream Partners L.P.	0.93%	0.77%	0.56%	0.83%	0.67%	0.75%	9.44%	31.02%	19.46%	14.29%	16.01%	14.98%
RPXIX RiverPark Large Growth Fund	9.17%	9.15%	7.22%	0.00%	0.01%	3.79%	6.69%	11.76%	15.17%	9.01%	0.54%	1.72%

Frequently Asked Questions

Can I hold both RPXIX and MMLP in my portfolio?

RPXIX and MMLP have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RPXIX or MMLP?

MMLP has higher volatility (22.97%) compared to RPXIX (5.30%). In terms of maximum drawdown, RPXIX dropped -58.56% vs MMLP's -95.75%.

Which has better risk-adjusted returns?

RPXIX currently has the higher Sharpe Ratio (0.74 vs -0.54), 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.