MFOCX vs. BST
Compare and contrast key facts about Marsico Focus Fund (MFOCX) and BlackRock Science and Technology Trust (BST).
MFOCX is managed by Marsico Investment Fund. It was launched on Dec 31, 1997.
Performance
MFOCX vs. BST - Performance Comparison
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MFOCX vs. BST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MFOCX Marsico Focus Fund | -7.57% | 12.47% | 49.61% | 45.25% | -33.36% | 20.23% | 47.52% | 32.33% | 0.23% | 34.20% |
BST BlackRock Science and Technology Trust | -8.64% | 23.65% | 17.96% | 30.07% | -38.28% | -0.35% | 69.27% | 34.57% | 8.84% | 57.43% |
Returns By Period
In the year-to-date period, MFOCX achieves a -7.57% return, which is significantly higher than BST's -8.64% return. Both investments have delivered pretty close results over the past 10 years, with MFOCX having a 16.47% annualized return and BST not far ahead at 16.73%.
MFOCX
- 1D
- -0.92%
- 1M
- -9.25%
- YTD
- -7.57%
- 6M
- -7.93%
- 1Y
- 13.70%
- 3Y*
- 25.75%
- 5Y*
- 12.58%
- 10Y*
- 16.47%
BST
- 1D
- 3.50%
- 1M
- -8.97%
- YTD
- -8.64%
- 6M
- -6.04%
- 1Y
- 22.64%
- 3Y*
- 14.09%
- 5Y*
- 0.29%
- 10Y*
- 16.73%
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Return for Risk
MFOCX vs. BST — Risk / Return Rank
MFOCX
BST
MFOCX vs. BST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Marsico Focus Fund (MFOCX) and BlackRock Science and Technology Trust (BST). 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.
| MFOCX | BST | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.63 | 1.03 | -0.41 |
Sortino ratioReturn per unit of downside risk | 1.03 | 1.54 | -0.50 |
Omega ratioGain probability vs. loss probability | 1.15 | 1.22 | -0.08 |
Calmar ratioReturn relative to maximum drawdown | 0.86 | 1.36 | -0.50 |
Martin ratioReturn relative to average drawdown | 3.23 | 4.44 | -1.21 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MFOCX | BST | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.63 | 1.03 | -0.41 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.56 | 0.01 | +0.55 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.75 | 0.66 | +0.10 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.49 | 0.55 | -0.06 |
Correlation
The correlation between MFOCX and BST is 0.74, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
MFOCX vs. BST - Dividend Comparison
MFOCX's dividend yield for the trailing twelve months is around 19.26%, more than BST's 11.56% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MFOCX Marsico Focus Fund | 19.26% | 17.81% | 11.96% | 2.18% | 18.06% | 11.66% | 8.36% | 7.90% | 11.58% | 18.67% | 0.00% | 24.61% |
BST BlackRock Science and Technology Trust | 11.56% | 10.36% | 8.21% | 8.91% | 10.57% | 5.38% | 3.85% | 10.52% | 6.41% | 4.80% | 6.69% | 6.93% |
Drawdowns
MFOCX vs. BST - Drawdown Comparison
The maximum MFOCX drawdown since its inception was -54.96%, which is greater than BST's maximum drawdown of -47.72%. Use the drawdown chart below to compare losses from any high point for MFOCX and BST.
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Drawdown Indicators
| MFOCX | BST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.96% | -47.72% | -7.24% |
Max Drawdown (1Y)Largest decline over 1 year | -12.56% | -15.31% | +2.75% |
Max Drawdown (5Y)Largest decline over 5 years | -36.76% | -47.72% | +10.96% |
Max Drawdown (10Y)Largest decline over 10 years | -36.76% | -47.72% | +10.96% |
Current DrawdownCurrent decline from peak | -10.44% | -12.35% | +1.91% |
Average DrawdownAverage peak-to-trough decline | -15.00% | -13.14% | -1.86% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.34% | 4.70% | -1.36% |
Volatility
MFOCX vs. BST - Volatility Comparison
The current volatility for Marsico Focus Fund (MFOCX) is 5.78%, while BlackRock Science and Technology Trust (BST) has a volatility of 7.49%. This indicates that MFOCX experiences smaller price fluctuations and is considered to be less risky than BST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MFOCX | BST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.78% | 7.49% | -1.71% |
Volatility (6M)Calculated over the trailing 6-month period | 12.48% | 13.67% | -1.19% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.08% | 22.03% | +0.05% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.53% | 23.46% | -0.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.93% | 25.59% | -3.66% |