RBBAX — Columbia Income Builder Fund
Data updated: 2026-06-25
RBBAX — Columbia Income Builder Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Multi-Cap / All-Cap Blend / Core Equity · $839.23M AUM · 0.96% expense ratio · 12.4% 1-yr return. From SEC regulatory filings.
RBBAX Fund Overview
RBBAX — Columbia Income Builder Fund is a US mutual fund managed by Columbia Funds Series Trust II, categorised as United States Multi-Cap / All-Cap Blend / Core Equity. 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 II
- Category: United States Multi-Cap / All-Cap Blend / Core Equity
- Assets under management: $839.23M
- 1-year return: 12.4%
- Ticker: RBBAX
- SEC CIK: 0001352280
- SEC series ID: S000031347
- Share class ID: C000097378
RBBAX Holdings
Top 10 holdings of Columbia Income Builder Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Columbia Quality Income Fund | 26.41% |
| Columbia Floating Rate Fund | 9.97% |
| Columbia Dividend Opportunity Fund | 9.14% |
| Columbia Mortgage Opportunities | 6.96% |
| Columbia High Yield Bond Fund | 6.95% |
| Columbia International Dividend Income Fund | 6.07% |
| Columbia Dividend Income Fund | 6.06% |
| Columbia Emerging Markets Bond Fund | 5.99% |
| Columbia Select Corporate Income Fund | 5.44% |
| Columbia Short Duration Bond ETF | 4.84% |
RBBAX Portfolio Allocation
Asset-class allocation of Columbia Income Builder Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
RBBAX Performance
Total returns for RBBAX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 3.2% |
| 1 year | 12.4% |
| 3 years (annualised) | 8.4% |
| 5 years (annualised) | 3.1% |
RBBAX Risk Information
Risk metrics for RBBAX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.8%
RBBAX Costs and Fees
RBBAX costs about $96 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.96%
- Gross expense ratio: 0.96%
- Portfolio turnover: 12%
- Brokerage commissions: 0.29 bps of average net assets (SEC N-CEN)
RBBAX Cashflows
Over the 12 months to 2026-04, Columbia Income Builder Fund had net outflows of $65.43M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$3.65M |
| 2026-03 | −$11.56M |
| 2026-02 | −$2.85M |
| 2026-01 | −$2.41M |
| 2025-12 | −$5.32M |
| 2025-11 | −$2.23M |
RBBAX Debt Constituents
No individual debt constituents are reported in Columbia Income Builder Fund's latest SEC N-PORT filing.
RBBAX Prospectus and SEC Filings
Official Columbia Income Builder Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Multi-Cap / All-Cap Blend / Core Equity 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.