MFOCX vs. BPTRX

Last updated Jun 24, 2026

MFOCX (Marsico Focus Fund) and BPTRX (Baron Partners Fund) are both Large Cap Growth Equities funds. Over the past 10 years, MFOCX returned 18.89%/yr vs 25.15%/yr for BPTRX. A 0.66 correlation means they provide meaningful diversification when combined. MFOCX charges 1.34%/yr vs 1.36%/yr for BPTRX.

Performance

MFOCX vs. BPTRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Marsico Focus Fund (MFOCX) and Baron Partners Fund (BPTRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MFOCX achieves a 9.46% return, which is significantly higher than BPTRX's 4.67% return. Over the past 10 years, MFOCX has underperformed BPTRX with an annualized return of 18.89%, while BPTRX has yielded a comparatively higher 25.15% annualized return.

MFOCX

• 1D: -0.68%
• 1M: 0.59%
• YTD: 9.46%
• 6M: 8.15%
• 1Y: 18.28%
• 3Y*: 27.22%
• 5Y*: 14.21%
• 10Y*: 18.89%

BPTRX

• 1D: -6.94%
• 1M: 6.39%
• YTD: 4.67%
• 6M: 1.59%
• 1Y: 37.57%
• 3Y*: 21.32%
• 5Y*: 12.61%
• 10Y*: 25.15%

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

MFOCX vs. BPTRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MFOCX Marsico Focus Fund	9.46%	12.47%	49.61%	45.25%	-33.36%	20.23%	47.52%	32.33%	0.23%	34.20%
BPTRX Baron Partners Fund	4.67%	24.54%	32.75%	43.09%	-42.53%	31.35%	148.81%	44.99%	-2.01%	31.54%

Correlation

The correlation between MFOCX and BPTRX is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.70
Correlation (All Time) Calculated using the full available price history since Dec 31, 1997	0.66

The correlation between MFOCX and BPTRX shifts across timeframes, from 0.48 (1 year) to 0.70 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

MFOCX vs. BPTRX — Risk / Return Rank

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

MFOCX

MFOCX Risk / Return Rank: 23
MFOCX Sharpe Ratio Rank: 19
MFOCX Sortino Ratio Rank: 18
MFOCX Omega Ratio Rank: 18
MFOCX Calmar Ratio Rank: 30
MFOCX Martin Ratio Rank: 31

BPTRX

BPTRX Risk / Return Rank: 52
BPTRX Sharpe Ratio Rank: 28
BPTRX Sortino Ratio Rank: 53
BPTRX Omega Ratio Rank: 47
BPTRX Calmar Ratio Rank: 85
BPTRX Martin Ratio Rank: 49

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.

MFOCX vs. BPTRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Marsico Focus Fund (MFOCX) and Baron Partners Fund (BPTRX). 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.

	MFOCX	BPTRX	Difference
Sharpe ratio: Return per unit of total volatility	1.15	1.43	-0.28
Sortino ratio: Return per unit of downside risk	1.68	2.80	-1.12
Omega ratio: Gain probability vs. loss probability	1.21	1.34	-0.14
Calmar ratio: Return relative to maximum drawdown	1.91	3.81	-1.90
Martin ratio: Return relative to average drawdown	6.72	9.56	-2.84

MFOCX vs. BPTRX - Sharpe Ratio Comparison

The current MFOCX Sharpe Ratio is 1.15, which is comparable to the BPTRX Sharpe Ratio of 1.43. The chart below compares the historical Sharpe Ratios of MFOCX and BPTRX, 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

MFOCX vs. BPTRX - Drawdown Comparison

The maximum MFOCX drawdown since its inception was -54.96%, smaller than the maximum BPTRX drawdown of -64.11%. Use the drawdown chart below to compare losses from any high point for MFOCX and BPTRX.

Drawdown Indicators

	MFOCX	BPTRX	Difference
Max Drawdown Largest peak-to-trough decline	-54.96%	-64.11%	+9.15%
Max Drawdown (1Y) Largest decline over 1 year	-10.44%	-11.15%	+0.71%
Max Drawdown (3Y) Largest decline over 3 years	-23.56%	-33.34%	+9.78%
Max Drawdown (5Y) Largest decline over 5 years	-36.76%	-49.87%	+13.11%
Max Drawdown (10Y) Largest decline over 10 years	-36.76%	-51.26%	+14.50%
Current Drawdown Current decline from peak	-1.82%	-11.15%	+9.33%
Average Drawdown Average peak-to-trough decline	-14.89%	-13.77%	-1.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.97%	4.44%	-1.47%

Volatility

MFOCX vs. BPTRX - Volatility Comparison

The current volatility for Marsico Focus Fund (MFOCX) is 6.58%, while Baron Partners Fund (BPTRX) has a volatility of 13.63%. This indicates that MFOCX experiences smaller price fluctuations and is considered to be less risky than BPTRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MFOCX	BPTRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.58%	13.63%	-7.05%
Volatility (6M) Calculated over the trailing 6-month period	13.49%	17.53%	-4.04%
Volatility (1Y) Calculated over the trailing 1-year period	17.41%	29.86%	-12.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.75%	34.10%	-11.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.09%	32.94%	-10.85%

MFOCX vs. BPTRX - Expense Ratio Comparison

MFOCX has a 1.34% expense ratio, which is lower than BPTRX's 1.36% expense ratio.

Dividends

MFOCX vs. BPTRX - Dividend Comparison

MFOCX's dividend yield for the trailing twelve months is around 16.27%, more than BPTRX's 3.21% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BPTRX Baron Partners Fund	3.21%	3.36%	0.76%	0.00%	3.19%	7.72%	3.67%	0.26%	0.00%	0.00%	0.00%	0.35%
MFOCX Marsico Focus Fund	16.27%	17.81%	11.96%	2.18%	18.06%	11.66%	8.36%	7.90%	11.58%	18.67%	0.00%	24.61%

Frequently Asked Questions

Can I hold both MFOCX and BPTRX in my portfolio?

MFOCX and BPTRX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MFOCX or BPTRX?

BPTRX has higher volatility (13.63%) compared to MFOCX (6.58%). In terms of maximum drawdown, MFOCX dropped -54.96% vs BPTRX's -64.11%.

Which has better risk-adjusted returns?

BPTRX currently has the higher Sharpe Ratio (1.43 vs 1.15), 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.