MFRCX — MFS Research Fund
Data updated: 2026-08-25
MFRCX — MFS Research Fund. United States Large Cap Blend / Core Equity · $7.88B AUM · 1.50% expense ratio. Holdings, fees, performance and SEC filings.
MFRCX Fund Overview
MFRCX — MFS Research Fund is a US mutual fund managed by Mfs Series Trust V, 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 V
- Category: United States Large Cap Blend / Core Equity
- Assets under management: $7.88B
- 1-year return: 13.3%
- Ticker: MFRCX
- SEC CIK: 0000200489
- SEC series ID: S000002438
- Share class ID: C000006539
MFRCX Holdings
Top 10 holdings of MFS Research Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp. | 8.38% |
| Apple, Inc. | 6.89% |
| Alphabet, Inc. | 5.02% |
| Microsoft Corp. | 4.83% |
| Amazon.com, Inc. | 4.41% |
| Broadcom, Inc. | 3.51% |
| JPMorgan Chase & Co. | 2.32% |
| KLA Corp. | 2.27% |
| Mastercard, Inc. | 2.27% |
| Meta Platforms, Inc. | 2.15% |
MFRCX Portfolio Allocation
Asset-class allocation of MFS Research Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.2% |
| Cash & Equivalents | 1.1% |
MFRCX Performance
Total returns for MFRCX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 5.8% |
| 1 year | 13.3% |
| 3 years (annualised) | 14.7% |
| 5 years (annualised) | 8.6% |
MFRCX Risk Information
Risk metrics for MFRCX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 11.1%
MFRCX Costs and Fees
MFRCX costs about $150 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.50%
- Gross expense ratio: 1.51%
- Portfolio turnover: 41%
- Brokerage commissions: 0.81 bps of average net assets (SEC N-CEN)
MFRCX Cashflows
Over the 12 months to 2026-06, MFS Research Fund had net outflows of $99.22M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$72.62M |
| 2026-05 | −$114.82M |
| 2026-04 | −$109.45M |
| 2026-03 | −$91.96M |
| 2026-02 | −$171.20M |
| 2026-01 | −$54.69M |
MFRCX Debt Constituents
No individual debt constituents are reported in MFS Research Fund's latest SEC N-PORT filing.
MFRCX Prospectus and SEC Filings
Official MFS Research Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-27
- Prospectus (485BPOS) — filed 2025-01-27
- Prospectus (485BPOS) — filed 2024-01-25
- Portfolio holdings (N-PORT) — filed 2026-08-25
- Portfolio holdings (N-PORT) — filed 2026-05-26
- Portfolio holdings (N-PORT) — filed 2026-02-25
- Annual census (N-CEN) — filed 2025-12-12
- Annual census (N-CEN) — filed 2024-12-13
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.