MNDAX — MFS New Discovery Fund
Data updated: 2026-07-27
MNDAX — MFS New Discovery Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Small Cap Growth Equity · $2.14B AUM · 1.21% expense ratio · 27.2% 1-yr return. From SEC regulatory filings.
MNDAX Fund Overview
MNDAX — MFS New Discovery Fund is a US mutual fund managed by Mfs Series Trust I, categorised as United States Small 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: Mfs Series Trust I
- Category: United States Small Cap Growth Equity
- Assets under management: $2.14B
- 1-year return: 27.2%
- Ticker: MNDAX
- SEC CIK: 0000798244
- SEC series ID: S000000765
- Share class ID: C000002210
MNDAX Holdings
Top 10 holdings of MFS New Discovery Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| JP Morgan US Government Money Market Fund | 4.21% |
| MFS Institutional Money Market Portfolio | 3.99% |
| Advanced Energy Industries Inc | 2.34% |
| Littelfuse Inc | 2.19% |
| TTM Technologies Inc | 1.99% |
| Element Solutions Inc | 1.93% |
| Ligand Pharmaceuticals Inc | 1.91% |
| CACI International Inc | 1.87% |
| Leonardo DRS Inc | 1.76% |
| Bloom Energy Corp | 1.67% |
MNDAX Portfolio Allocation
Asset-class allocation of MFS New Discovery Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 100.0% |
| Cash & Equivalents | 4.2% |
MNDAX Performance
Total returns for MNDAX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 10.7% |
| 1 year | 27.2% |
| 3 years (annualised) | 13.7% |
| 5 years (annualised) | 0.5% |
MNDAX Risk Information
Risk metrics for MNDAX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.6%
MNDAX Costs and Fees
MNDAX costs about $121 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.21%
- Gross expense ratio: 1.28%
- Portfolio turnover: 68%
- Brokerage commissions: 6.30 bps of average net assets (SEC N-CEN)
MNDAX Cashflows
Over the 12 months to 2026-02, MFS New Discovery Fund had net outflows of $347.09M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$13.23M |
| 2026-01 | −$32.50M |
| 2025-12 | −$39.09M |
| 2025-11 | −$29.96M |
| 2025-10 | −$20.63M |
| 2025-09 | −$46.27M |
MNDAX Debt Constituents
No individual debt constituents are reported in MFS New Discovery Fund's latest SEC N-PORT filing.
MNDAX Prospectus and SEC Filings
Official MFS New Discovery Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Small 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.