CLSCX — Columbia Strategic Income Fund
Data updated: 2026-07-29
CLSCX — Columbia Strategic Income Fund. Long Total / Aggregate Bond · $5.98B AUM · 1.69% expense ratio. Holdings, fees, performance and SEC filings.
CLSCX Fund Overview
CLSCX — Columbia Strategic Income 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: $5.98B
- 1-year return: 4.4%
- Ticker: CLSCX
- SEC CIK: 0000773757
- SEC series ID: S000010617
- Share class ID: C000029360
CLSCX Holdings
Top 10 holdings of Columbia Strategic Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Columbia Short Term Cash Fund | 6.04% |
| Umbs, Tba | 3.34% |
| Umbs, Tba | 2.96% |
| Umbs, Tba | 2.73% |
| Umbs, Tba | 2.60% |
| Umbs, Tba | 1.62% |
| Fannie Mae | 1.06% |
| Umbs, Tba | 1.05% |
| Columbia Short Duration High Yield ETF | 0.97% |
| Fannie Mae | 0.84% |
CLSCX Portfolio Allocation
Asset-class allocation of Columbia Strategic Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 47.8% |
| Fixed Income | 45.9% |
| Loans | 15.5% |
| Cash & Equivalents | 6.0% |
| Equity | 1.4% |
| Real Estate | 0.6% |
CLSCX Performance
Total returns for CLSCX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.0% |
| 1 year | 4.4% |
| 3 years (annualised) | 5.8% |
| 5 years (annualised) | 1.2% |
CLSCX Risk Information
Risk metrics for CLSCX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.9%
CLSCX Costs and Fees
CLSCX costs about $169 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.69%
- Gross expense ratio: 1.69%
- Portfolio turnover: 295%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
CLSCX Cashflows
Over the 12 months to 2026-05, Columbia Strategic Income Fund had net inflows of $206.94M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-05 | $24.58M |
| 2026-04 | −$41.18M |
| 2026-03 | $19.18M |
| 2026-02 | $26.99M |
| 2026-01 | $20.61M |
| 2025-12 | $12.13M |
CLSCX Debt Constituents
Largest debt holdings of Columbia Strategic Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Turkiye Government International Bonds | 0.71% |
| JPMorgan Chase & Co. | 0.60% |
| Republic of South Africa Government International Bonds | 0.51% |
| Bank Of America Corp. | 0.48% |
| Bacardi Ltd. / Martini Bv | 0.47% |
| Republic Of Ghana | 0.42% |
| Republic of South Africa Government International Bonds | 0.36% |
| Ineos Finance PLC | 0.34% |
| Petroleos Mexicanos | 0.34% |
| Hca, Inc. | 0.34% |
CLSCX Prospectus and SEC Filings
Official Columbia Strategic Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-12-22
- Prospectus (485BPOS) — filed 2024-12-23
- Prospectus (485BPOS) — filed 2024-06-27
- Portfolio holdings (N-PORT) — filed 2026-07-29
- Portfolio holdings (N-PORT) — filed 2026-04-27
- Portfolio holdings (N-PORT) — filed 2026-01-28
- Annual census (N-CEN) — filed 2024-11-08
- Annual census (N-CEN) — filed 2023-11-13
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.