COTDX Performance — Columbia Thermostat Fund, Columbia Thermostat Class S
Data updated: 2026-08-28
COTDX returned +3.17% year to date and +9.13% over one year to Jun 2026. Over one year the fund trailed its US Large Blend category average: $100 grew to $109, against $118 for the category. Volatility over the past 12 months was 5.07% a year. In the 12 months to Jun 2026 the fund lost a net $58.8M, and assets reached $1.26B.
COTDX 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 | COTDX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $109 | $118 |
| Since data start (Oct 2024 – Jun 2026) | $118 | $125 |
COTDX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +3.17% |
| 1 year | +9.13% |
COTDX 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) | +3.17% |
| 2025 | +15.03% |
| 2024 (Oct–Dec) | −0.96% |
COTDX 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 | +0.3% | +0.8% | −2.6% | +3.7% | +1.3% | −0.2% | — | — | — | — | — | — |
| 2025 | +1.3% | +0.9% | −1.8% | +1.6% | +3.1% | +3.3% | +0.9% | +1.6% | +1.7% | +1.1% | +0.4% | 0.0% |
| 2024 | — | — | — | — | — | — | — | — | — | −1.9% | +2.9% | −1.9% |
COTDX Risk
Risk measures from monthly returns over Jul 2025 – Jun 2026.
- 1-year volatility (annualised): 5.07%
- Best month: +3.67% (Apr 2026)
- Worst month: −2.62% (Mar 2026)
COTDX 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 |
COTDX 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.