FTLTX Performance — Fidelity Series Long-Term Treasury Bond Index Fund
Data updated: 2026-07-24
FTLTX returned −0.24% year to date and +4.35% over one year to May 2026. Annualised returns are −0.72% over 3 years and −5.05% over 5 years. The fund trailed its Long-Term Government Bond category average: $100 invested three years ago grew to $98, against $104 for the category, and to $104 over one year, against $106. Volatility over the past three years was 12.70% a year. In the 12 months to May 2026 the fund lost a net $751.6M, and assets reached $19.26B.
FTLTX Growth of $100
What $100 invested in Fidelity Series Long-Term Treasury Bond Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Long-Term Government Bond category average over the same months.
| Period | FTLTX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $104 | $106 |
| 3 years (Jun 2023 – May 2026) | $98 | $104 |
| 5 years (Jun 2021 – May 2026) | $77 | $86 |
| Since data start (Sep 2019 – May 2026) | $75 | $89 |
FTLTX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −0.24% |
| 1 year | +4.35% |
| 3 years (annualised) | −0.72% |
| 5 years (annualised) | −5.05% |
FTLTX Annual Returns
Calendar-year total returns of Fidelity Series Long-Term Treasury Bond Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | −0.24% |
| 2025 | +5.45% |
| 2024 | −6.15% |
| 2023 | +3.23% |
| 2022 | −29.41% |
| 2021 | −4.84% |
| 2020 | +17.61% |
| 2019 (Sep–Dec) | −6.99% |
FTLTX 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 | −0.2% | +4.2% | −4.0% | −0.6% | +0.5% | — | — | — | — | — | — | — |
| 2025 | +0.5% | +5.2% | −0.8% | −1.1% | −2.8% | +2.4% | −0.8% | +0.1% | +3.1% | +1.2% | +0.5% | −2.0% |
| 2024 | −1.8% | −2.4% | +1.0% | −5.8% | +2.8% | +1.6% | +3.6% | +2.1% | +2.0% | −5.2% | +1.9% | −5.5% |
| 2023 | +6.9% | −4.7% | +4.8% | +0.6% | −3.0% | +0.1% | −2.2% | −2.6% | −7.4% | −4.8% | +9.1% | +8.2% |
| 2022 | −3.7% | −1.6% | −5.2% | −9.0% | −2.0% | −1.4% | +2.6% | −4.5% | −7.9% | −5.5% | +7.0% | −2.2% |
| 2021 | −3.4% | −5.6% | −5.0% | +2.4% | +0.1% | +4.0% | +3.6% | −0.3% | −2.9% | +2.0% | +2.6% | −1.8% |
| 2020 | +7.5% | +6.6% | +6.5% | +0.9% | −1.8% | +0.4% | +4.2% | −4.8% | +0.7% | −3.2% | +1.5% | −1.2% |
| 2019 | — | — | — | — | — | — | — | — | −2.5% | −1.1% | −0.4% | −3.1% |
FTLTX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 12.70%
- 3-year Sharpe ratio: -0.41 (vs 4.5% risk-free rate)
- Best month: +9.13% (Nov 2023)
- Worst month: −7.45% (Sep 2023)
FTLTX Fund Flows
Monthly money in and out of Fidelity Series Long-Term Treasury Bond Index Fund, from SEC Form N-PORT.
- 12-month net flow: −$751.6M
- 12-month gross sales (incl. reinvestments): $6.7B
- Sales ÷ redemptions: 0.90×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $1.2B | $320.7M | $929.0M |
| Apr 2026 | $306.8M | $1.0B | −$730.3M |
| Mar 2026 | $333.3M | $874.0M | −$540.7M |
| Feb 2026 | $455.4M | $958.2M | −$502.8M |
| Jan 2026 | $607.8M | $1.5B | −$937.7M |
| Dec 2025 | $355.9M | $672.9M | −$317.0M |
| Nov 2025 | $191.7M | $430.1M | −$238.5M |
| Oct 2025 | $263.5M | $753.0M | −$489.5M |
| Sep 2025 | $349.0M | $446.0M | −$97.0M |
| Aug 2025 | $365.9M | $160.8M | $205.1M |
| Jul 2025 | $644.3M | $135.0M | $509.3M |
| Jun 2025 | $1.5B | $70.1M | $1.5B |
FTLTX Assets Under Management
Net assets of Fidelity Series Long-Term Treasury Bond Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $19.26B |
| 2026-02-28 | $20.62B |
| 2025-11-30 | $22.22B |
| 2025-08-31 | $22.19B |
| 2025-05-31 | $19.83B |
| 2025-02-28 | $21.45B |
| 2024-11-30 | $18.93B |
| 2024-08-31 | $19.62B |
| 2024-05-31 | $18.45B |
| 2024-02-29 | $19.21B |
| 2023-11-30 | $19.20B |
| 2023-08-31 | $18.59B |
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.