ACRNX — Columbia Acorn Fund
Data updated: 2026-05-28
ACRNX — Columbia Acorn Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Blend / Core Equity · $2.25B AUM · 0.83% expense ratio · 16.0% 1-yr return. From SEC regulatory filings.
ACRNX Fund Overview
ACRNX — Columbia Acorn Fund is a US mutual fund managed by Columbia Acorn Trust, categorised as United States Mid 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 Acorn Trust
- Category: United States Mid Cap Blend / Core Equity
- Assets under management: $2.25B
- 1-year return: 16.0%
- Ticker: ACRNX
- SEC CIK: 0000002110
- SEC series ID: S000009184
- Share class ID: C000024957
ACRNX Holdings
Top 10 holdings of Columbia Acorn Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| SPX Technologies Inc | 2.49% |
| Insmed Inc | 2.45% |
| Celestica Inc | 2.16% |
| Churchill Downs Inc | 2.16% |
| Carlyle Group Inc/The | 2.05% |
| Curtiss-Wright Corp | 2.00% |
| Viavi Solutions Inc | 1.98% |
| Sterling Infrastructure Inc | 1.96% |
| GCM Grosvenor Inc | 1.93% |
| InterDigital Inc | 1.90% |
ACRNX Portfolio Allocation
Asset-class allocation of Columbia Acorn Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.3% |
| Cash & Equivalents | 0.9% |
ACRNX Performance
Total returns for ACRNX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -4.6% |
| 1 year | 16.0% |
| 3 years (annualised) | 8.2% |
| 5 years (annualised) | -0.3% |
ACRNX Risk Information
Risk metrics for ACRNX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 14.5%
ACRNX Costs and Fees
ACRNX costs about $83 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.83%
- Gross expense ratio: 0.85%
- Portfolio turnover: 78%
- Brokerage commissions: 7.11 bps of average net assets (SEC N-CEN)
ACRNX Cashflows
Over the 12 months to 2026-03, Columbia Acorn Fund had net outflows of $399.58M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$28.24M |
| 2026-02 | −$23.75M |
| 2026-01 | −$30.87M |
| 2025-12 | −$55.95M |
| 2025-11 | −$40.57M |
| 2025-10 | −$37.03M |
ACRNX Debt Constituents
No individual debt constituents are reported in Columbia Acorn Fund's latest SEC N-PORT filing.
ACRNX Prospectus and SEC Filings
Official Columbia Acorn Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid 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.