CBSAX — Columbia Select Mid Cap Growth Fund
Data updated: 2026-07-29
CBSAX — Columbia Select Mid Cap Growth Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Growth Equity · $2.21B AUM · 1.12% expense ratio · 30.6% 1-yr return. From SEC regulatory filings.
CBSAX Fund Overview
CBSAX — Columbia Select Mid Cap Growth Fund is a US mutual fund managed by Columbia Funds Series Trust I, categorised as United States Mid Cap Growth 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 I
- Category: United States Mid Cap Growth Equity
- Assets under management: $2.21B
- 1-year return: 30.6%
- Ticker: CBSAX
- SEC CIK: 0000773757
- SEC series ID: S000012070
- Share class ID: C000032847
CBSAX Holdings
Top 10 holdings of Columbia Select Mid Cap Growth Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Take-Two Interactive Software Inc | 3.99% |
| Howmet Aerospace Inc | 3.16% |
| Datadog Inc | 3.04% |
| Hut 8 Corp | 3.03% |
| Applied Digital Corp | 2.94% |
| Cloudflare Inc | 2.65% |
| Rocket Lab Corp | 2.61% |
| Kioxia Holdings Corp | 2.42% |
| Sandisk Corp/DE | 2.36% |
| Vertiv Holdings Co | 2.36% |
CBSAX Portfolio Allocation
Asset-class allocation of Columbia Select Mid Cap Growth Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 98.9% |
| Cash & Equivalents | 1.1% |
CBSAX Performance
Total returns for CBSAX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 16.7% |
| 1 year | 30.6% |
| 3 years (annualised) | 23.2% |
| 5 years (annualised) | 9.3% |
CBSAX Risk Information
Risk metrics for CBSAX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 18.8%
CBSAX Costs and Fees
CBSAX costs about $112 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.12%
- Gross expense ratio: 1.13%
- Portfolio turnover: 200%
- Brokerage commissions: 8.99 bps of average net assets (SEC N-CEN)
CBSAX Cashflows
Over the 12 months to 2026-02, Columbia Select Mid Cap Growth Fund had net inflows of $222.27M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $92.92M |
| 2026-01 | $15.93M |
| 2025-12 | $175.58M |
| 2025-11 | −$2.84M |
| 2025-10 | −$5.06M |
| 2025-09 | −$4.70M |
CBSAX Debt Constituents
No individual debt constituents are reported in Columbia Select Mid Cap Growth Fund's latest SEC N-PORT filing.
CBSAX Prospectus and SEC Filings
Official Columbia Select Mid Cap Growth Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid Cap Growth 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.