NSTMX Performance — Columbia Short Term Bond Fund, Institutional Class
Data updated: 2026-08-28
NSTMX returned +1.50% year to date and +4.23% over one year to Jun 2026. Annualised returns are +6.11% over 3 years and +3.11% over 5 years. The fund trailed its Short-Term Securitized Bond category average: $100 invested three years ago grew to $119, against $120 for the category, and to $104 over one year, against $105. Volatility over the past three years was 1.67% a year. In the 12 months to Jun 2026 the fund took in a net $136.2M, and assets reached $1.70B.
NSTMX Growth of $100
What $100 invested in Columbia Short Term Bond Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Short-Term Securitized Bond category average over the same months.
| Period | NSTMX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $105 |
| 3 years (Jul 2023 – Jun 2026) | $119 | $120 |
| 5 years (Jul 2021 – Jun 2026) | $117 | $117 |
| Since data start (Jul 2019 – Jun 2026) | $123 | $126 |
NSTMX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.50% |
| 1 year | +4.23% |
| 3 years (annualised) | +6.11% |
| 5 years (annualised) | +3.11% |
NSTMX Annual Returns
Calendar-year total returns of Columbia Short Term Bond Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +1.50% |
| 2025 | +5.93% |
| 2024 | +6.19% |
| 2023 | +7.31% |
| 2022 | −4.69% |
| 2021 | +0.73% |
| 2020 | +3.41% |
| 2019 (Jul–Dec) | +1.42% |
NSTMX 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% | +0.4% | −0.4% | +0.5% | +0.4% | +0.2% | — | — | — | — | — | — |
| 2025 | +0.6% | +0.7% | +0.2% | +0.4% | +0.4% | +0.8% | +0.2% | +0.8% | +0.5% | +0.3% | +0.5% | +0.4% |
| 2024 | +0.8% | −0.1% | +0.6% | −0.2% | +0.9% | +0.6% | +1.3% | +0.9% | +0.9% | −0.5% | +0.6% | +0.2% |
| 2023 | +1.8% | −0.5% | +1.0% | +0.4% | −0.1% | −0.2% | +0.7% | +0.5% | −0.1% | 0.0% | +1.8% | +1.6% |
| 2022 | −0.7% | −0.7% | −1.1% | −0.9% | +0.1% | −1.3% | +0.9% | −0.4% | −1.6% | −0.5% | +1.0% | +0.3% |
| 2021 | +0.4% | −0.1% | −0.1% | +0.3% | +0.2% | +0.1% | +0.2% | 0.0% | −0.1% | −0.3% | −0.2% | 0.0% |
| 2020 | +0.8% | +0.5% | −6.9% | +2.7% | +2.0% | +1.6% | +1.0% | +0.6% | +0.3% | +0.1% | +0.6% | +0.4% |
| 2019 | — | — | — | — | — | — | +0.1% | +0.7% | 0.0% | +0.3% | +0.1% | +0.3% |
NSTMX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 1.67%
- 3-year Sharpe ratio: 0.96 (vs 4.5% risk-free rate)
- Best month: +1.83% (Nov 2023)
- Worst month: −0.51% (Oct 2024)
NSTMX Fund Flows
Monthly money in and out of Columbia Short Term Bond Fund, from SEC Form N-PORT.
- 12-month net flow: $136.2M
- 12-month gross sales (incl. reinvestments): $1.0B
- Sales ÷ redemptions: 1.16×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $70.5M | $42.8M | $27.7M |
| May 2026 | $57.7M | $50.8M | $6.9M |
| Apr 2026 | $63.4M | $61.3M | $2.1M |
| Mar 2026 | $116.6M | $97.9M | $18.7M |
| Feb 2026 | $120.5M | $42.4M | $78.2M |
| Jan 2026 | $89.2M | $185.3M | −$96.2M |
| Dec 2025 | $69.8M | $40.6M | $29.2M |
| Nov 2025 | $67.0M | $51.5M | $15.5M |
| Oct 2025 | $75.7M | $42.9M | $32.8M |
| Sep 2025 | $75.6M | $156.9M | −$81.4M |
| Aug 2025 | $95.0M | $33.8M | $61.2M |
| Jul 2025 | $100.5M | $59.0M | $41.4M |
NSTMX Assets Under Management
Net assets of Columbia Short Term Bond Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $1.70B |
| 2026-03-31 | $1.66B |
| 2025-12-31 | $1.67B |
| 2025-09-30 | $1.59B |
| 2025-06-30 | $1.57B |
| 2025-03-31 | $1.45B |
| 2024-12-31 | $1.30B |
| 2024-09-30 | $1.16B |
| 2024-06-30 | $981.67M |
| 2024-03-31 | $849.57M |
| 2023-12-31 | $792.25M |
| 2023-09-30 | $727.18M |
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.