NAMBX — Columbia Select Mid Cap Value Fund
Data updated: 2026-07-29
NAMBX — Columbia Select Mid Cap Value Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Value Equity · $3.04B AUM · 0.88% expense ratio · 28.1% 1-yr return. From SEC regulatory filings.
NAMBX Fund Overview
NAMBX — Columbia Select Mid Cap Value Fund is a US mutual fund managed by Columbia Funds Series Trust, categorised as United States Mid Cap Value 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
- Category: United States Mid Cap Value Equity
- Assets under management: $3.04B
- 1-year return: 28.1%
- Ticker: NAMBX
- SEC CIK: 0001097519
- SEC series ID: S000010792
- Share class ID: C000253704
NAMBX Holdings
Top 10 holdings of Columbia Select Mid Cap Value Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Corning Inc | 3.72% |
| Marathon Petroleum Corp | 3.48% |
| ON Semiconductor Corp | 2.92% |
| Entergy Corp | 2.83% |
| ITT Inc | 2.70% |
| AMETEK Inc | 2.65% |
| Ameren Corp | 2.65% |
| Devon Energy Corp | 2.55% |
| Teradyne Inc | 2.55% |
| Popular Inc | 2.50% |
NAMBX Portfolio Allocation
Asset-class allocation of Columbia Select Mid Cap Value Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 98.0% |
| Cash & Equivalents | 1.9% |
NAMBX Performance
Total returns for NAMBX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 13.5% |
| 1 year | 28.1% |
NAMBX Risk Information
Risk metrics for NAMBX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 12.0%
NAMBX Costs and Fees
NAMBX costs about $88 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.88%
- Gross expense ratio: 0.88%
- Portfolio turnover: 15%
- Brokerage commissions: 0.83 bps of average net assets (SEC N-CEN)
NAMBX Cashflows
Over the 12 months to 2026-02, Columbia Select Mid Cap Value Fund had net outflows of $42.52M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $3.29M |
| 2026-01 | −$9.37M |
| 2025-12 | $94.11M |
| 2025-11 | −$12.55M |
| 2025-10 | −$24.10M |
| 2025-09 | −$4.43M |
NAMBX Debt Constituents
No individual debt constituents are reported in Columbia Select Mid Cap Value Fund's latest SEC N-PORT filing.
NAMBX Prospectus and SEC Filings
Official Columbia Select Mid Cap Value Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid Cap Value 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.