CTBYX — Columbia Total Return Bond Fund
Data updated: 2026-07-07
CTBYX — Columbia Total Return Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $3.06B AUM · 0.38% expense ratio · 4.8% 1-yr return. From SEC regulatory filings.
CTBYX Fund Overview
CTBYX — Columbia Total Return Bond Fund is a US mutual fund managed by Columbia Funds Series Trust I, categorised as Long Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Columbia Funds Series Trust I
- Category: Long Total / Aggregate Bond
- Assets under management: $3.06B
- 1-year return: 4.8%
- Ticker: CTBYX
- SEC CIK: 0000773757
- SEC series ID: S000012097
- Share class ID: C000122680
CTBYX Holdings
Top 10 holdings of Columbia Total Return Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Columbia Short Term Cash Fund | 9.45% |
| Umbs, Tba | 1.72% |
| Government National Mortgage Association | 1.57% |
| Fannie Mae | 1.26% |
| Umbs, Tba | 1.19% |
| Government National Mortgage Association | 1.10% |
| Umbs, Tba | 1.03% |
| Umbs, Tba | 0.99% |
| Federal Home Loan Mortgage Corporation | 0.99% |
| Federal National Mortgage Association | 0.94% |
CTBYX Portfolio Allocation
Asset-class allocation of Columbia Total Return Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 66.6% |
| Fixed Income | 29.1% |
| Cash & Equivalents | 9.4% |
| Loans | 5.3% |
| Equity | 0.8% |
CTBYX Performance
Total returns for CTBYX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.4% |
| 1 year | 4.8% |
| 3 years (annualised) | 5.0% |
| 5 years (annualised) | 0.1% |
CTBYX Risk Information
Risk metrics for CTBYX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.1%
CTBYX Costs and Fees
CTBYX costs about $38 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.38%
- Gross expense ratio: 0.53%
- Portfolio turnover: 229%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
CTBYX Cashflows
Over the 12 months to 2026-04, Columbia Total Return Bond Fund had net inflows of $330.10M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$31.68M |
| 2026-03 | −$16.33M |
| 2026-02 | −$3.34M |
| 2026-01 | $73.19M |
| 2025-12 | $17.35M |
| 2025-11 | $52.18M |
CTBYX Debt Constituents
Largest debt holdings of Columbia Total Return Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Bank Of America Corp. | 0.73% |
| JPMorgan Chase & Co. | 0.56% |
| Hca, Inc. | 0.52% |
| Turkiye Government International Bonds | 0.50% |
| Goldman Sachs Group, Inc. | 0.47% |
| JPMorgan Chase & Co. | 0.44% |
| Bacardi Ltd. / Martini Bv | 0.43% |
| Hsbc Holdings PLC | 0.39% |
| T-Mobile USA, Inc. | 0.37% |
| Abbvie, Inc. | 0.36% |
CTBYX Prospectus and SEC Filings
Official Columbia Total Return Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Total / Aggregate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.