MDCPX vs. TIBIX

Last updated Jun 26, 2026

MDCPX (BlackRock Balanced Capital Fund Investor A Shares) and TIBIX (Thornburg Investment Income Builder Fund Class I) are both Diversified Portfolio funds. Both are actively managed. Over the past 10 years, MDCPX returned 10.30%/yr vs 12.91%/yr for TIBIX. A 0.77 correlation means they provide meaningful diversification when combined. MDCPX charges 0.78%/yr vs 0.93%/yr for TIBIX.

Performance

MDCPX vs. TIBIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Balanced Capital Fund Investor A Shares (MDCPX) and Thornburg Investment Income Builder Fund Class I (TIBIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MDCPX achieves a 6.71% return, which is significantly lower than TIBIX's 16.76% return. Over the past 10 years, MDCPX has underperformed TIBIX with an annualized return of 10.30%, while TIBIX has yielded a comparatively higher 12.91% annualized return.

MDCPX

• 1D: 0.00%
• 1M: -1.12%
• YTD: 6.71%
• 6M: 6.13%
• 1Y: 16.33%
• 3Y*: 13.96%
• 5Y*: 7.82%
• 10Y*: 10.30%

TIBIX

• 1D: 0.03%
• 1M: -0.30%
• YTD: 16.76%
• 6M: 17.25%
• 1Y: 35.67%
• 3Y*: 26.04%
• 5Y*: 16.22%
• 10Y*: 12.91%

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

MDCPX vs. TIBIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MDCPX BlackRock Balanced Capital Fund Investor A Shares	6.71%	15.32%	12.47%	16.59%	-15.70%	16.49%	15.07%	21.59%	-3.48%	14.24%
TIBIX Thornburg Investment Income Builder Fund Class I	16.76%	37.01%	13.48%	18.28%	-7.69%	20.36%	-0.40%	18.01%	-4.31%	15.23%

Correlation

The correlation between MDCPX and TIBIX is 0.65, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.65
Correlation (3Y) Calculated over the trailing 3-year period	0.69
Correlation (5Y) Calculated over the trailing 5-year period	0.74
Correlation (10Y) Calculated over the trailing 10-year period	0.74
Correlation (All Time) Calculated using the full available price history since Nov 3, 2003	0.77

The correlation between MDCPX and TIBIX shifts across timeframes, from 0.65 (1 year) to 0.77 (all time), reflecting how their relationship changes across market environments.

Return for Risk

MDCPX vs. TIBIX — Risk / Return Rank

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

MDCPX

MDCPX Risk / Return Rank: 63
MDCPX Sharpe Ratio Rank: 61
MDCPX Sortino Ratio Rank: 59
MDCPX Omega Ratio Rank: 61
MDCPX Calmar Ratio Rank: 64
MDCPX Martin Ratio Rank: 70

TIBIX

TIBIX Risk / Return Rank: 98
TIBIX Sharpe Ratio Rank: 99
TIBIX Sortino Ratio Rank: 98
TIBIX Omega Ratio Rank: 96
TIBIX Calmar Ratio Rank: 97
TIBIX Martin Ratio Rank: 98

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.

MDCPX vs. TIBIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Balanced Capital Fund Investor A Shares (MDCPX) and Thornburg Investment Income Builder Fund Class I (TIBIX). 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.

	MDCPX	TIBIX	Difference
Sharpe ratio: Return per unit of total volatility	1.86	4.05	-2.19
Sortino ratio: Return per unit of downside risk	2.61	5.76	-3.15
Omega ratio: Gain probability vs. loss probability	1.35	1.80	-0.45
Calmar ratio: Return relative to maximum drawdown	2.63	6.62	-3.99
Martin ratio: Return relative to average drawdown	11.03	25.25	-14.22

MDCPX vs. TIBIX - Sharpe Ratio Comparison

The current MDCPX Sharpe Ratio is 1.86, which is lower than the TIBIX Sharpe Ratio of 4.05. The chart below compares the historical Sharpe Ratios of MDCPX and TIBIX, 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

MDCPX vs. TIBIX - Drawdown Comparison

The maximum MDCPX drawdown since its inception was -41.98%, smaller than the maximum TIBIX drawdown of -48.88%. Use the drawdown chart below to compare losses from any high point for MDCPX and TIBIX.

Drawdown Indicators

	MDCPX	TIBIX	Difference
Max Drawdown Largest peak-to-trough decline	-41.98%	-48.88%	+6.90%
Max Drawdown (1Y) Largest decline over 1 year	-6.22%	-5.39%	-0.83%
Max Drawdown (3Y) Largest decline over 3 years	-10.65%	-9.23%	-1.42%
Max Drawdown (5Y) Largest decline over 5 years	-21.99%	-20.79%	-1.20%
Max Drawdown (10Y) Largest decline over 10 years	-24.58%	-34.85%	+10.27%
Current Drawdown Current decline from peak	-2.09%	-1.02%	-1.07%
Average Drawdown Average peak-to-trough decline	-5.09%	-5.95%	+0.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.48%	1.41%	+0.07%

Volatility

MDCPX vs. TIBIX - Volatility Comparison

BlackRock Balanced Capital Fund Investor A Shares (MDCPX) has a higher volatility of 3.63% compared to Thornburg Investment Income Builder Fund Class I (TIBIX) at 2.91%. This indicates that MDCPX's price experiences larger fluctuations and is considered to be riskier than TIBIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MDCPX	TIBIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.63%	2.91%	+0.72%
Volatility (6M) Calculated over the trailing 6-month period	7.43%	7.38%	+0.05%
Volatility (1Y) Calculated over the trailing 1-year period	8.84%	8.82%	+0.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.15%	11.19%	-0.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.49%	13.46%	-1.97%

MDCPX vs. TIBIX - Expense Ratio Comparison

MDCPX has a 0.78% expense ratio, which is lower than TIBIX's 0.93% expense ratio.

Dividends

MDCPX vs. TIBIX - Dividend Comparison

MDCPX's dividend yield for the trailing twelve months is around 8.06%, more than TIBIX's 5.15% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MDCPX BlackRock Balanced Capital Fund Investor A Shares	8.06%	8.61%	7.44%	2.63%	3.82%	12.27%	4.02%	5.25%	7.84%	19.39%	4.67%	5.04%
TIBIX Thornburg Investment Income Builder Fund Class I	5.15%	5.83%	5.67%	4.89%	5.89%	5.33%	4.31%	4.46%	4.77%	4.52%	4.14%	4.66%

Frequently Asked Questions

Can I hold both MDCPX and TIBIX in my portfolio?

MDCPX and TIBIX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MDCPX or TIBIX?

MDCPX has higher volatility (3.63%) compared to TIBIX (2.91%). In terms of maximum drawdown, MDCPX dropped -41.98% vs TIBIX's -48.88%.

Which has better risk-adjusted returns?

TIBIX currently has the higher Sharpe Ratio (4.05 vs 1.86), 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.