FSABX Performance — Fidelity SAI Municipal Bond Index Fund
Data updated: 2025-11-25
FSABX returned +1.39% over one year to Sep 2025. Annualised returns are +4.61% over 3 years and +0.40% over 5 years. The fund beat its Long-Term Municipal Bond category average: $100 invested three years ago grew to $114, against $114 for the category, and to $101 over one year, against $100. Volatility over the past three years was 6.63% a year. In the 12 months to Sep 2025 the fund lost a net $2.3M, and assets reached $77.51M.
FSABX Growth of $100
What $100 invested in Fidelity SAI Municipal Bond Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Long-Term Municipal Bond category average over the same months.
| Period | FSABX | Category average |
|---|---|---|
| 1 year (Oct 2024 – Sep 2025) | $101 | $100 |
| 3 years (Oct 2022 – Sep 2025) | $114 | $114 |
| 5 years (Oct 2020 – Sep 2025) | $102 | $103 |
| Since data start (Aug 2019 – Sep 2025) | $106 | $107 |
FSABX Trailing Returns
Total returns to Sep 2025, from SEC N-PORT.
| Period | Total return |
|---|---|
| 1 year | +1.39% |
| 3 years (annualised) | +4.61% |
| 5 years (annualised) | +0.40% |
FSABX Annual Returns
Calendar-year total returns of Fidelity SAI Municipal Bond Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2025 (Jan–Sep) | +2.57% |
| 2024 | +1.26% |
| 2023 | +5.83% |
| 2022 | −9.89% |
| 2021 | +1.35% |
| 2020 | +4.45% |
| 2019 (Aug–Dec) | +1.10% |
FSABX 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | +0.3% | +1.1% | −2.0% | −0.7% | −0.2% | +0.9% | −0.3% | +0.9% | +2.6% | — | — | — |
| 2024 | −0.3% | 0.0% | −0.1% | −1.2% | −0.5% | +1.8% | +0.9% | +0.9% | +1.1% | −1.5% | +1.7% | −1.4% |
| 2023 | +3.0% | −2.6% | +2.3% | −0.2% | −0.9% | +0.8% | +0.2% | −1.2% | −3.0% | −1.2% | +6.3% | +2.5% |
| 2022 | −2.6% | −0.8% | −3.3% | −3.2% | +1.5% | −2.1% | +2.7% | −2.6% | −3.8% | −0.8% | +4.9% | 0.0% |
| 2021 | +0.5% | −1.5% | +0.5% | +0.9% | +0.3% | +0.2% | +0.8% | −0.3% | −0.8% | −0.1% | +0.8% | +0.1% |
| 2020 | +1.7% | +1.2% | −3.3% | −1.5% | +3.2% | +0.7% | +1.4% | −0.4% | −0.1% | −0.3% | +1.4% | +0.6% |
| 2019 | — | — | — | — | — | — | — | +1.5% | −0.8% | 0.0% | +0.1% | +0.3% |
FSABX Risk
Risk measures from monthly returns over Oct 2022 – Sep 2025.
- 3-year volatility (annualised): 6.63%
- 3-year Sharpe ratio: 0.02 (vs 4.5% risk-free rate)
- Best month: +6.26% (Nov 2023)
- Worst month: −2.99% (Sep 2023)
FSABX Fund Flows
Monthly money in and out of Fidelity SAI Municipal Bond Index Fund, from SEC Form N-PORT.
- 12-month net flow: −$2.3M
- 12-month gross sales (incl. reinvestments): $49.9M
- Sales ÷ redemptions: 0.96×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Sep 2025 | $26 | $1.8M | −$1.8M |
| Aug 2025 | $28 | $1.5M | −$1.5M |
| Jul 2025 | $17K | $9.2M | −$9.2M |
| Jun 2025 | $9.3M | $2.1M | $7.2M |
| May 2025 | $9.4M | $2.5M | $6.9M |
| Apr 2025 | $18.8M | $19.5M | −$677K |
| Mar 2025 | $1.8M | $4.9M | −$3.1M |
| Feb 2025 | $1.1M | $1.4M | −$302K |
| Jan 2025 | $1.3M | $3.5M | −$2.2M |
| Dec 2024 | $2.1M | $1.9M | $174K |
| Nov 2024 | $3.3M | $2.3M | $928K |
| Oct 2024 | $2.9M | $1.7M | $1.2M |
FSABX Assets Under Management
Net assets of Fidelity SAI Municipal Bond Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2025-09-30 | $77.51M |
| 2025-06-30 | $88.19M |
| 2025-03-31 | $75.32M |
| 2024-12-31 | $81.87M |
| 2024-09-30 | $81.13M |
| 2024-06-30 | $80.76M |
| 2024-03-31 | $85.04M |
| 2023-12-31 | $79.73M |
| 2023-09-30 | $77.18M |
| 2023-06-30 | $88.79M |
| 2023-03-31 | $88.82M |
| 2022-12-31 | $88.04M |
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.