MBFIX Performance — Allspring Core Bond Fund, Institutional Class
Data updated: 2026-09-23
MBFIX returned −0.65% year to date and +2.61% over one year to Jul 2026. Annualised returns are +3.90% over 3 years and +2.26% over 5 years. The fund trailed its Core Bond category average: $100 invested three years ago grew to $112, against $118 for the category, and to $103 over one year, against $106. Volatility over the past three years was 5.71% a year. In the 12 months to Jul 2026 the fund lost a net $474.3M, and assets reached $4.63B.
MBFIX Growth of $100
What $100 invested in Allspring Core Bond Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Core Bond category average over the same months.
| Period | MBFIX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $103 | $106 |
| 3 years (Aug 2023 – Jul 2026) | $112 | $118 |
| 5 years (Aug 2021 – Jul 2026) | $112 | $111 |
| Since data start (Sep 2019 – Jul 2026) | $112 | $124 |
MBFIX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −0.65% |
| 1 year | +2.61% |
| 3 years (annualised) | +3.90% |
| 5 years (annualised) | +2.26% |
MBFIX Annual Returns
Calendar-year total returns of Allspring Core Bond Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | −0.65% |
| 2025 | +7.33% |
| 2024 | +1.65% |
| 2023 | +6.03% |
| 2022 | −2.67% |
| 2021 | −0.02% |
| 2020 | +0.09% |
| 2019 (Sep–Dec) | 0.00% |
MBFIX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.3% | +1.7% | −1.9% | +0.2% | +0.3% | +0.2% | −1.4% | — | — | — | — | — |
| 2025 | +0.5% | +2.2% | +0.1% | +0.4% | −0.7% | +1.6% | −0.2% | +1.2% | +1.2% | +0.5% | +0.7% | −0.4% |
| 2024 | −0.1% | −1.5% | +1.0% | −2.5% | +1.7% | +1.0% | +2.3% | +1.4% | +1.4% | −2.5% | +1.1% | −1.6% |
| 2023 | +3.5% | −2.6% | +2.5% | +0.6% | −1.0% | −0.3% | 0.0% | −0.6% | −2.6% | −1.7% | +4.7% | +3.8% |
| 2022 | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | −4.3% | −1.3% | +3.7% | −0.5% |
| 2021 | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| 2020 | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| 2019 | — | — | — | — | — | — | — | — | 0.0% | 0.0% | 0.0% | 0.0% |
MBFIX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 5.71%
- 3-year Sharpe ratio: -0.10 (vs 4.5% risk-free rate)
- Best month: +4.72% (Nov 2023)
- Worst month: −2.58% (Sep 2023)
MBFIX Fund Flows
Monthly money in and out of Allspring Core Bond Fund, from SEC Form N-PORT.
- 12-month net flow: −$474.3M
- 12-month gross sales (incl. reinvestments): $1.7B
- Sales ÷ redemptions: 0.78×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $153.3M | $117.9M | $35.3M |
| Jun 2026 | $139.1M | $66.9M | $72.2M |
| May 2026 | $104.7M | $71.6M | $33.1M |
| Apr 2026 | $85.2M | $69.3M | $15.9M |
| Mar 2026 | $134.5M | $174.8M | −$40.2M |
| Feb 2026 | $122.0M | $71.6M | $50.4M |
| Jan 2026 | $194.1M | $114.7M | $79.5M |
| Dec 2025 | $152.7M | $557.8M | −$405.1M |
| Nov 2025 | $126.4M | $254.2M | −$127.8M |
| Oct 2025 | $270.5M | $163.7M | $106.8M |
| Sep 2025 | $87.2M | $157.2M | −$70.0M |
| Aug 2025 | $133.4M | $357.6M | −$224.2M |
MBFIX Assets Under Management
Net assets of Allspring Core Bond Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $4.63B |
| 2026-04-30 | $4.57B |
| 2026-01-31 | $4.60B |
| 2025-10-31 | $5.08B |
| 2025-07-31 | $5.17B |
| 2025-04-30 | $5.08B |
| 2025-01-31 | $5.11B |
| 2024-10-31 | $5.09B |
| 2024-07-31 | $5.13B |
| 2024-04-30 | $4.83B |
| 2024-02-29 | $4.86B |
| 2023-11-30 | $4.57B |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.