CTFDX Performance — Columbia Thermostat Fund, Class C
Data updated: 2026-08-28
CTFDX returned +2.67% year to date and +8.03% over one year to Jun 2026. Annualised returns are +9.27% over 3 years and +3.52% over 5 years. The fund trailed its US Large Blend category average: $100 invested three years ago grew to $130, against $157 for the category, and to $108 over one year, against $118. Volatility over the past three years was 7.50% a year. In the 12 months to Jun 2026 the fund lost a net $58.8M, and assets reached $1.26B.
CTFDX Growth of $100
What $100 invested in Columbia Thermostat Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Large Blend category average over the same months.
| Period | CTFDX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $108 | $118 |
| 3 years (Jul 2023 – Jun 2026) | $130 | $157 |
| 5 years (Jul 2021 – Jun 2026) | $119 | $161 |
| Since data start (Jul 2019 – Jun 2026) | $168 | $229 |
CTFDX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +2.67% |
| 1 year | +8.03% |
| 3 years (annualised) | +9.27% |
| 5 years (annualised) | +3.52% |
CTFDX Annual Returns
Calendar-year total returns of Columbia Thermostat Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +2.67% |
| 2025 | +13.84% |
| 2024 | +6.85% |
| 2023 | +10.50% |
| 2022 | −13.75% |
| 2021 | +5.40% |
| 2020 | +28.24% |
| 2019 (Jul–Dec) | +4.54% |
CTFDX 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% | +0.8% | −2.7% | +3.6% | +1.2% | −0.3% | — | — | — | — | — | — |
| 2025 | +1.2% | +0.9% | −1.9% | +1.5% | +3.1% | +3.2% | +0.8% | +1.5% | +1.6% | +1.0% | +0.3% | −0.1% |
| 2024 | −0.1% | −0.9% | +1.0% | −2.9% | +3.7% | +1.9% | +2.2% | +2.6% | +0.9% | −2.2% | +2.8% | −2.0% |
| 2023 | +4.1% | −2.4% | +2.5% | +0.5% | −0.5% | +1.7% | +0.7% | −1.2% | −3.1% | −2.1% | +6.2% | +4.2% |
| 2022 | −2.4% | −1.4% | −2.5% | −4.0% | +0.7% | −3.8% | +3.9% | −2.7% | −5.9% | +1.5% | +3.7% | −1.4% |
| 2021 | −0.4% | +1.1% | +1.2% | +2.7% | +0.3% | +0.5% | +0.8% | +0.1% | −1.3% | +0.3% | −0.1% | +0.2% |
| 2020 | +1.1% | +0.3% | −0.1% | +8.6% | +2.7% | +1.3% | +3.3% | +2.7% | −1.4% | −1.2% | +6.0% | +2.2% |
| 2019 | — | — | — | — | — | — | +0.6% | +0.9% | +0.2% | +0.9% | +1.2% | +0.7% |
CTFDX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 7.50%
- 3-year Sharpe ratio: 0.64 (vs 4.5% risk-free rate)
- Best month: +6.16% (Nov 2023)
- Worst month: −3.09% (Sep 2023)
CTFDX Fund Flows
Monthly money in and out of Columbia Thermostat Fund, from SEC Form N-PORT.
- 12-month net flow: −$58.8M
- 12-month gross sales (incl. reinvestments): $221.4M
- Sales ÷ redemptions: 0.79×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $14.6M | $32.0M | −$17.4M |
| May 2026 | $10.6M | $45.4M | −$34.8M |
| Apr 2026 | $15.3M | $17.8M | −$2.4M |
| Mar 2026 | $17.6M | $17.2M | $352K |
| Feb 2026 | $13.0M | $18.6M | −$5.6M |
| Jan 2026 | $15.8M | $26.4M | −$10.6M |
| Dec 2025 | $48.3M | $24.3M | $24.0M |
| Nov 2025 | $13.8M | $20.2M | −$6.4M |
| Oct 2025 | $19.6M | $17.7M | $1.9M |
| Sep 2025 | $14.8M | $22.3M | −$7.5M |
| Aug 2025 | $15.1M | $17.6M | −$2.5M |
| Jul 2025 | $22.7M | $20.6M | $2.1M |
CTFDX Assets Under Management
Net assets of Columbia Thermostat Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $1.26B |
| 2026-03-31 | $1.26B |
| 2025-12-31 | $1.30B |
| 2025-09-30 | $1.29B |
| 2025-06-30 | $1.25B |
| 2025-03-31 | $1.16B |
| 2024-12-31 | $1.20B |
| 2024-09-30 | $1.27B |
| 2024-06-30 | $1.25B |
| 2024-03-31 | $1.31B |
| 2023-12-31 | $1.34B |
| 2023-09-30 | $1.30B |
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.