MNTRX vs. VCPIX

Last updated Jun 4, 2026

MNTRX (Allspring Core Bond Fund) and VCPIX (Vanguard Core-Plus Bond Fund Investor Shares) are both mutual funds - MNTRX is a Intermediate Core Bond fund managed by Allspring Global Investments, while VCPIX is a Total Bond Market fund managed by Vanguard. Over the past 3 years, MNTRX returned 3.88%/yr vs 5.30%/yr for VCPIX. With a 0.96 correlation, they move nearly in lockstep. MNTRX charges 0.70%/yr vs 0.30%/yr for VCPIX.

Performance

MNTRX vs. VCPIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allspring Core Bond Fund (MNTRX) and Vanguard Core-Plus Bond Fund Investor Shares (VCPIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MNTRX achieves a 0.29% return, which is significantly lower than VCPIX's 0.62% return.

MNTRX

• 1D: 0.00%
• 1M: 0.52%
• YTD: 0.29%
• 6M: 0.18%
• 1Y: 5.25%
• 3Y*: 3.88%
• 5Y*: -0.10%
• 10Y*: 1.43%

VCPIX

• 1D: 0.00%
• 1M: 0.51%
• YTD: 0.62%
• 6M: 0.67%
• 1Y: 6.04%
• 3Y*: 5.30%
• 5Y*: —
• 10Y*: —

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

MNTRX vs. VCPIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
MNTRX Allspring Core Bond Fund	0.29%	7.16%	1.38%	5.37%	-13.82%	-0.27%
VCPIX Vanguard Core-Plus Bond Fund Investor Shares	0.62%	8.01%	2.83%	6.64%	-12.68%	0.35%

Correlation

The correlation between MNTRX and VCPIX is 0.92, 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	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (All Time) Calculated using the full available price history since Oct 15, 2021	0.96

The correlation between MNTRX and VCPIX has been stable across timeframes, ranging from 0.92 to 0.96 - a consistent structural relationship.

Return for Risk

MNTRX vs. VCPIX — Risk / Return Rank

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

MNTRX

MNTRX Risk / Return Rank: 21
MNTRX Sharpe Ratio Rank: 22
MNTRX Sortino Ratio Rank: 22
MNTRX Omega Ratio Rank: 20
MNTRX Calmar Ratio Rank: 22
MNTRX Martin Ratio Rank: 20

VCPIX

VCPIX Risk / Return Rank: 35
VCPIX Sharpe Ratio Rank: 35
VCPIX Sortino Ratio Rank: 37
VCPIX Omega Ratio Rank: 36
VCPIX Calmar Ratio Rank: 35
VCPIX Martin Ratio Rank: 31

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.

MNTRX vs. VCPIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allspring Core Bond Fund (MNTRX) and Vanguard Core-Plus Bond Fund Investor Shares (VCPIX). 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.

	MNTRX	VCPIX	Difference
Sharpe ratio: Return per unit of total volatility	1.33	1.70	-0.37
Sortino ratio: Return per unit of downside risk	1.98	2.53	-0.55
Omega ratio: Gain probability vs. loss probability	1.24	1.31	-0.08
Calmar ratio: Return relative to maximum drawdown	1.72	2.23	-0.51
Martin ratio: Return relative to average drawdown	5.28	7.25	-1.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MNTRX vs. VCPIX - Sharpe Ratio Comparison

The current MNTRX Sharpe Ratio is 1.33, which is comparable to the VCPIX Sharpe Ratio of 1.70. The chart below compares the historical Sharpe Ratios of MNTRX and VCPIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MNTRX	VCPIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.33	1.70	-0.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.02	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.29	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.92	0.17	+0.76

Drawdowns

MNTRX vs. VCPIX - Drawdown Comparison

The maximum MNTRX drawdown since its inception was -19.36%, which is greater than VCPIX's maximum drawdown of -17.33%. Use the drawdown chart below to compare losses from any high point for MNTRX and VCPIX.

Drawdown Indicators

	MNTRX	VCPIX	Difference
Max Drawdown Largest peak-to-trough decline	-19.36%	-17.33%	-2.03%
Max Drawdown (1Y) Largest decline over 1 year	-3.06%	-2.72%	-0.34%
Max Drawdown (3Y) Largest decline over 3 years	-6.27%	-5.68%	-0.59%
Max Drawdown (5Y) Largest decline over 5 years	-18.91%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-19.36%	—	—
Current Drawdown Current decline from peak	-3.14%	-1.12%	-2.02%
Average Drawdown Average peak-to-trough decline	-2.46%	-6.60%	+4.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.00%	0.83%	+0.17%

Volatility

MNTRX vs. VCPIX - Volatility Comparison

Allspring Core Bond Fund (MNTRX) has a higher volatility of 1.38% compared to Vanguard Core-Plus Bond Fund Investor Shares (VCPIX) at 1.23%. This indicates that MNTRX's price experiences larger fluctuations and is considered to be riskier than VCPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MNTRX	VCPIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.38%	1.23%	+0.15%
Volatility (6M) Calculated over the trailing 6-month period	2.89%	2.60%	+0.29%
Volatility (1Y) Calculated over the trailing 1-year period	3.98%	3.57%	+0.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.04%	5.69%	+0.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.96%	5.69%	-0.73%

MNTRX vs. VCPIX - Expense Ratio Comparison

MNTRX has a 0.70% expense ratio, which is higher than VCPIX's 0.30% expense ratio.

Dividends

MNTRX vs. VCPIX - Dividend Comparison

MNTRX's dividend yield for the trailing twelve months is around 4.06%, less than VCPIX's 4.74% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MNTRX Allspring Core Bond Fund	4.06%	4.07%	4.13%	3.19%	1.85%	1.75%	6.35%	2.46%	2.33%	1.74%	1.97%	1.45%
VCPIX Vanguard Core-Plus Bond Fund Investor Shares	4.74%	4.76%	5.08%	4.46%	3.15%	0.25%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MNTRX and VCPIX in my portfolio?

With a correlation of 0.92, MNTRX and VCPIX 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, MNTRX or VCPIX?

MNTRX has higher volatility (1.38%) compared to VCPIX (1.23%). In terms of maximum drawdown, MNTRX dropped -19.36% vs VCPIX's -17.33%.

Which has better risk-adjusted returns?

VCPIX currently has the higher Sharpe Ratio (1.70 vs 1.33), 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.