ISTFX Performance — Invesco Short Term Bond Fund, Class R6
Data updated: 2026-07-30
ISTFX returned +0.99% year to date and +4.52% over one year to May 2026. Annualised returns are +5.54% over 3 years and +2.58% over 5 years. The fund trailed its Short-Term Corporate Bond category average: $100 invested three years ago grew to $118, against $122 for the category, and to $105 over one year, against $106. Volatility over the past three years was 1.70% a year. In the 12 months to May 2026 the fund took in a net $53.1M, and assets reached $2.07B.
ISTFX Growth of $100
What $100 invested in Invesco Short Term Bond Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Short-Term Corporate Bond category average over the same months.
| Period | ISTFX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $105 | $106 |
| 3 years (Jun 2023 – May 2026) | $118 | $122 |
| 5 years (Jun 2021 – May 2026) | $114 | $117 |
| Since data start (Sep 2019 – May 2026) | $119 | $127 |
ISTFX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.99% |
| 1 year | +4.52% |
| 3 years (annualised) | +5.54% |
| 5 years (annualised) | +2.58% |
ISTFX Annual Returns
Calendar-year total returns of Invesco Short Term Bond Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +0.99% |
| 2025 | +5.71% |
| 2024 | +5.67% |
| 2023 | +5.84% |
| 2022 | −4.44% |
| 2021 | +0.09% |
| 2020 | +3.51% |
| 2019 (Sep–Dec) | +0.77% |
ISTFX 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 | +0.5% | +0.5% | −0.8% | +0.5% | +0.3% | — | — | — | — | — | — | — |
| 2025 | +0.5% | +0.6% | +0.3% | +0.5% | +0.1% | +0.8% | +0.1% | +1.0% | +0.4% | +0.3% | +0.5% | +0.4% |
| 2024 | +0.7% | −0.2% | +0.6% | −0.3% | +0.8% | +0.5% | +1.2% | +1.1% | +0.9% | −0.5% | +0.4% | +0.3% |
| 2023 | +1.6% | −0.7% | +0.4% | +0.7% | −0.4% | −0.3% | +0.9% | +0.4% | +0.1% | +0.2% | +1.5% | +1.5% |
| 2022 | −0.8% | −0.9% | −1.2% | −0.7% | +0.2% | −1.5% | +0.8% | −0.4% | −1.6% | −0.5% | +1.5% | +0.7% |
| 2021 | +0.2% | +0.2% | −0.1% | +0.2% | +0.2% | 0.0% | 0.0% | +0.1% | −0.1% | −0.3% | −0.2% | 0.0% |
| 2020 | +0.7% | +0.5% | −4.6% | +2.2% | +1.4% | +1.2% | +0.8% | +0.4% | 0.0% | +0.2% | +0.5% | +0.4% |
| 2019 | — | — | — | — | — | — | — | — | 0.0% | +0.4% | +0.1% | +0.2% |
ISTFX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 1.70%
- 3-year Sharpe ratio: 0.61 (vs 4.5% risk-free rate)
- Best month: +1.47% (Nov 2023)
- Worst month: −0.76% (Mar 2026)
ISTFX Fund Flows
Monthly money in and out of Invesco Short Term Bond Fund, from SEC Form N-PORT.
- 12-month net flow: $53.1M
- 12-month gross sales (incl. reinvestments): $678.5M
- Sales ÷ redemptions: 1.08×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $51.8M | $46.2M | $5.6M |
| Apr 2026 | $42.2M | $62.5M | −$20.2M |
| Mar 2026 | $54.2M | $55.3M | −$1.1M |
| Feb 2026 | $58.2M | $49.4M | $8.8M |
| Jan 2026 | $69.8M | $71.7M | −$1.9M |
| Dec 2025 | $62.6M | $59.4M | $3.2M |
| Nov 2025 | $49.6M | $43.0M | $6.6M |
| Oct 2025 | $76.8M | $49.1M | $27.7M |
| Sep 2025 | $49.9M | $55.1M | −$5.1M |
| Aug 2025 | $55.1M | $46.7M | $8.4M |
| Jul 2025 | $58.6M | $47.9M | $10.6M |
| Jun 2025 | $49.7M | $39.2M | $10.5M |
ISTFX Assets Under Management
Net assets of Invesco Short Term Bond Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $2.07B |
| 2026-02-28 | $2.10B |
| 2025-11-30 | $2.09B |
| 2025-08-31 | $2.06B |
| 2025-05-31 | $2.02B |
| 2025-02-28 | $2.01B |
| 2024-11-30 | $1.96B |
| 2024-08-31 | $2.01B |
| 2024-05-31 | $1.99B |
| 2024-02-29 | $2.08B |
| 2023-11-30 | $2.12B |
| 2023-08-31 | $2.15B |
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.