Fund Evaluator:
Allspring Core Bond Inst (MBFIX)
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Fund Details
Allspring Core Bond Inst Overview
Allspring Core Bond Inst (MBFIX) is an actively managed Taxable Bond Intermediate Core Bond fund. Allspring Global Investments launched the fund in 2001.
The investment seeks total return, consisting of income and capital appreciation. The fund normally invests at least 80% of its net assets in bonds; at least 80% of the fund's total assets in investment-grade debt securities; up to 25% of its total assets in asset-backed securities, other than mortgage-backed securities; and up to 20% of the fund's total assets in U.S. dollar-denominated debt securities of foreign issuers. It is a feeder fund that invests substantially all of its assets in the Core Bond Portfolio, a master portfolio with a substantially identical investment objective and substantially similar investment strategies.
About Allspring Core Bond Inst (MBFIX)
There are 2 members of the management team with an average tenure of 8.79 years: Jarad Vasquez (2017), Maulik Bhansali (2017). Management tenure is more important for actively managed funds than passive index funds.
The fund has 1 primary benchmark: Bloomberg US Agg Bond TR USD index with a weighting of 100%. Allspring Core Bond Inst has 953 securities in its portfolio. The top 10 holdings constitute 19.4% of the fund’s assets. The fund meets the SEC requirement of being classified as a diversified fund. The fund is not considered to have an ESG focus with its investment selection and management.
Allspring Core Bond Inst is part of the Fixed Income global asset class and is within the Taxable Bond fund group. Allspring Core Bond Inst has 6.1% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 0.0%. There is 0.0% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 97.3% (91.2% domestic bond, 6.1% foreign bond and 0.0% convertible bond). Allspring Core Bond Inst has 2.7% of the portfolio in cash.
Assets Under Management
The fund has $2 billion in total assets, which is below the $3 billion average for the Intermediate Core Bond category. Normally, lower assets under management translates to higher average expense ratios, and greater total assets are desired. However, for some investment categories, such as small-cap investing, it may be difficult for the manager to fully employ the desired active strategy if assets grow too large or too quickly.
MBFIX Performance and Fees
The expense ratio measures how much of a fund’s assets are used for administrative expenses and operating expenses, including adviser fees and fees for the transfer agent and custodial services. The Allspring Core Bond Inst expense ratio is below average compared to funds in the Intermediate Core Bond category. Allspring Core Bond Inst has an expense ratio of 0.38%, which is 33% lower than its category average, making the fund expense ratio grade a B. While it is difficult to predict returns, it is known that high annual expense ratios reduce your rate of return, and excessive fees are difficult to overcome. Active management normally comes with higher expense ratios than passive index management. Certain investment categories such as small company and foreign also normally have higher expense ratios. It is best to compare fund expense ratios against the category averages for meaningful assessments.
High portfolio turnover can translate to higher expenses and lower aftertax returns. Allspring Core Bond Inst has a portfolio turnover rate of 363%, indicating that holds its assets around 0.0 years. By way of comparison, the average portfolio turnover is 151% for the Intermediate Core Bond category.
Recently, in the month of July 2026, Allspring Core Bond Inst returned -1.4%, which earned it a grade of D, as the Intermediate Core Bond category had an average return of -1.3%. The letter grades of A, B, C, D and F are based upon relative rankings within the investment category. A grade of A, for example, would indicate that the return is in the highest 20% for that time period compared to all funds in that category.
Allspring Core Bond Inst has a trailing yield of 4.36%, which is above the 4.04% category average. The fund normally distributes its income monthly and its capital gains annually.
It’s natural to seek the best-performing investments, but you must consider the relationship between risk and return and the impact of costs and taxes on your realized returns.
Allspring Core Bond Inst Grades
Year to date, the fund has returned -0.6%, 0.1 percentage points better than the category, which translates into a grade of B. The fund has returned 2.6% over the past year (grade of B), 3.9% over the past three years (grade of B) and -0.3% per year over the past five years (grade of B) and 1.5% per year over the past 10 years (grade of C).
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MBFIX Trailing NAV Total Returns Data as of 7/31/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| MBFIX Return (NAV) | -1.4% | -0.9% | 2.6% | 3.9% | -0.3% | 1.5% |
| MBFIX Grade | D | D | B | B | B | C |
| +/- Category | -0.0% | -0.0% | 0.1% | 0.2% | 0.1% | 0.1% |
| Intermediate Core Bond Avg | -1.3% | -0.8% | 2.5% | 3.7% | -0.5% | 1.4% |
| MBFIX Tax Cost Ratio | na | na | 1.7% | 1.8% | 1.5% | 1.4% |
MBFIX Annual NAV Total ReturnsData as of 7/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| MBFIX Return (NAV) | -0.6% | 7.3% | 1.6% | 6.0% | -13.4% | -1.7% | 8.8% | 8.5% | -0.3% | 3.6% | 2.7% |
| MBFIX Grade | B | B | B | B | C | D | B | C | C | C | C |
| +/- Category | 0.1% | 0.3% | 0.1% | 0.4% | -0.2% | -0.3% | 0.7% | 0.0% | 0.1% | -0.0% | -0.0% |
| Intermediate Core Bond Avg | -0.7% | 7.0% | 1.6% | 5.6% | -13.2% | -1.5% | 8.1% | 8.5% | -0.4% | 3.6% | 2.8% |
| Risk Measures | |
| Standard Deviation: | 5.7% |
| Total Risk Index: | 0.46 - Low |
| Category Risk Index: | 1.02 - Above Average |
| Category Risk Grade: | D (70% Rank) |
| Beta: | 1.01 |
| R-Squared: | 100% |
| Leveraged Fund: | No |
| Inverse Fund: | No |
| Portfolio Characteristics | |
| Equity Investment Style: | na |
| Bond Investment Style: | High Quality Moderate Sensitivity |
| Yield: | 4.4% |
| Dividend Distribution: | Monthly |
| Cap Gains Distribution: | Annually |
| Total Assets: | $4626 Mil |
| Fund Total Assets: | $2,875 Mil |
| Share Class Type: | Inst |
| Portfolio Turnover: | 363% |
Management Team
| Number of Managers: 2 | |||
| Longest Tenure: 8.8 years | |||
| Average Tenure: 8.8 years | |||
| Managers (Year): Vasquez Jarad (2017), Bhansali Maulik (2017) | |||
Portfolio Composition (as of 6/30/26)
| # of Holdings: | 953 |
| % in Top 10 Holdings: | 19.4% |
| Fund is Non-Diversified: | No |
| % in Foreign Issues: | 6.1% |
Portfolio Allocation |
|
| Domestic Stock: | 0.0% |
| Foreign Stock: | 0.0% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 91.2% |
| Foreign Bond: | 6.1% |
| Convertible Bond: | 0.0% |
| Other: | 0.0% |
| Cash: | 2.7% |
Purchase Information
| Fund Family: | Allspring Global Investments |
| Phone Number: | 800-222-8222 |
| Website: | www.allspringglobal.com |
| Status: | Open |
| Inception Date: | October 31, 2001 |
| Min. Initial Purchase: | $1,000,000 |
| Min. Initial IRA Purchase: | $ 0 |
| True No-Load: | Yes |
| Front Load Maximum: | 0.00% |
| Deferred Charge Maximum: | 0.00% |
| Redemption Charge Maximum: | 0.00% |
| 12b-1 Fee: | 0.00% |
Expenses and Fees | |
| Expense Ratio (%): | 0.38% ( Rating : Below Avg ) |
| Category Average Expense Ratio (%): | 0.57% |
| Share Class: | Allspring Core Bond Admin |
| Min. Subsequent Purchase: | $ 0 |
| Min. Subsequent IRA Purchase: | $ 0 |
