MRGBX — MFS Core Equity Fund
Data updated: 2026-07-27
MRGBX — MFS Core Equity Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Blend / Core Equity · $6.49B AUM · 1.63% expense ratio · 10.8% 1-yr return. From SEC regulatory filings.
MRGBX Fund Overview
MRGBX — MFS Core Equity Fund is a US mutual fund managed by Mfs Series Trust I, categorised as United States Large 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: Mfs Series Trust I
- Category: United States Large Cap Blend / Core Equity
- Assets under management: $6.49B
- 1-year return: 10.8%
- Ticker: MRGBX
- SEC CIK: 0000798244
- SEC series ID: S000000763
- Share class ID: C000002192
MRGBX Holdings
Top 10 holdings of MFS Core Equity Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp | 7.73% |
| Apple Inc | 6.13% |
| Alphabet Inc | 5.38% |
| Microsoft Corp | 5.10% |
| Amazon.com Inc | 5.09% |
| Broadcom Inc | 3.80% |
| Meta Platforms Inc | 2.51% |
| JPMorgan Chase & Co | 1.83% |
| Arista Networks Inc | 1.73% |
| Pfizer Inc | 1.47% |
MRGBX Portfolio Allocation
Asset-class allocation of MFS Core Equity Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.9% |
| Cash & Equivalents | 0.5% |
MRGBX Performance
Total returns for MRGBX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.6% |
| 1 year | 10.8% |
| 3 years (annualised) | 16.6% |
| 5 years (annualised) | 10.4% |
MRGBX Risk Information
Risk metrics for MRGBX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 10.3%
MRGBX Costs and Fees
MRGBX costs about $163 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.63%
- Gross expense ratio: 1.64%
- Portfolio turnover: 43%
- Brokerage commissions: 1.50 bps of average net assets (SEC N-CEN)
MRGBX Cashflows
Over the 12 months to 2026-02, MFS Core Equity Fund had net outflows of $224.53M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$103.30M |
| 2026-01 | −$83.44M |
| 2025-12 | $616.59M |
| 2025-11 | −$65.81M |
| 2025-10 | −$92.07M |
| 2025-09 | −$99.27M |
MRGBX Debt Constituents
No individual debt constituents are reported in MFS Core Equity Fund's latest SEC N-PORT filing.
MRGBX Prospectus and SEC Filings
Official MFS Core Equity Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Large 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.