MBSD Performance — FlexShares Disciplined Duration MBS Index Fund
Data updated: 2026-09-25
MBSD returned −0.13% year to date and +3.36% over one year to Jul 2026. Annualised returns are +4.10% over 3 years and +0.46% over 5 years. The fund trailed its Intermediate Securitized Bond category average: $100 invested three years ago grew to $113, against $115 for the category, and to $103 over one year, against $104. Volatility over the past three years was 4.22% a year. In the 12 months to Jul 2026 the fund took in a net $6.3M, and assets reached $88.65M.
MBSD Growth of $100
What $100 invested in FlexShares Disciplined Duration MBS Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Securitized Bond category average over the same months.
| Period | MBSD | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $103 | $104 |
| 3 years (Aug 2023 – Jul 2026) | $113 | $115 |
| 5 years (Aug 2021 – Jul 2026) | $102 | $103 |
| Since data start (Aug 2019 – Jul 2026) | $109 | $111 |
MBSD Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −0.13% |
| 1 year | +3.36% |
| 3 years (annualised) | +4.10% |
| 5 years (annualised) | +0.46% |
MBSD Annual Returns
Calendar-year total returns of FlexShares Disciplined Duration MBS Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | −0.13% |
| 2025 | +7.13% |
| 2024 | +2.22% |
| 2023 | +4.62% |
| 2022 | −9.54% |
| 2021 | −1.20% |
| 2020 | +5.14% |
| 2019 (Aug–Dec) | +1.64% |
MBSD 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% | +1.2% | −1.2% | +0.2% | +0.1% | +0.1% | −0.8% | — | — | — | — | — |
| 2025 | +0.6% | +1.8% | +0.1% | +0.5% | −0.6% | +1.4% | −0.3% | +1.3% | +0.8% | +0.6% | +0.6% | +0.3% |
| 2024 | 0.0% | −1.1% | +0.8% | −1.9% | +1.5% | +0.8% | +2.0% | +1.1% | +1.1% | −2.1% | +1.0% | −1.0% |
| 2023 | +2.3% | −2.0% | +1.8% | +0.2% | −0.4% | −0.4% | 0.0% | −0.2% | −1.9% | −0.7% | +3.3% | +2.7% |
| 2022 | −1.1% | −1.0% | −2.5% | −2.6% | +0.7% | −0.8% | +1.8% | −2.3% | −3.8% | −0.5% | +3.0% | −0.6% |
| 2021 | 0.0% | −0.1% | −0.2% | 0.0% | −0.1% | 0.0% | +0.4% | −0.1% | −0.3% | −0.1% | −0.3% | −0.3% |
| 2020 | +0.8% | +1.2% | +0.5% | +0.9% | +0.5% | +0.1% | +0.3% | +0.2% | 0.0% | +0.1% | +0.3% | 0.0% |
| 2019 | — | — | — | — | — | — | — | +1.0% | +0.1% | +0.2% | +0.2% | +0.2% |
MBSD Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 4.22%
- 3-year Sharpe ratio: -0.09 (vs 4.5% risk-free rate)
- Best month: +3.32% (Nov 2023)
- Worst month: −2.10% (Oct 2024)
MBSD Fund Flows
Monthly money in and out of FlexShares Disciplined Duration MBS Index Fund, from SEC Form N-PORT.
- 12-month net flow: $6.3M
- 12-month gross sales (incl. reinvestments): $11.5M
- Sales ÷ redemptions: 2.22×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $2K | $5.1M | −$5.1M |
| Jun 2026 | $1.0M | $0 | $1.0M |
| May 2026 | $0 | $0 | $0 |
| Apr 2026 | $1.0M | $0 | $1.0M |
| Mar 2026 | $1.0M | $0 | $1.0M |
| Feb 2026 | $1.0M | $0 | $1.0M |
| Jan 2026 | $0 | $0 | $0 |
| Dec 2025 | $2.1M | $0 | $2.1M |
| Nov 2025 | $1.0M | $0 | $1.0M |
| Oct 2025 | $2.1M | $0 | $2.1M |
| Sep 2025 | $2.1M | $0 | $2.1M |
| Aug 2025 | $0 | $0 | $0 |
MBSD Assets Under Management
Net assets of FlexShares Disciplined Duration MBS Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $88.65M |
| 2026-04-30 | $94.03M |
| 2026-01-31 | $91.64M |
| 2025-10-31 | $88.79M |
| 2025-07-31 | $83.24M |
| 2025-04-30 | $83.64M |
| 2025-01-31 | $85.45M |
| 2024-10-31 | $93.17M |
| 2024-07-31 | $75.36M |
| 2024-04-30 | $78.86M |
| 2024-01-31 | $76.12M |
| 2023-10-31 | $74.42M |
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.