BMSVX — MFS Blended Research Mid Cap Equity Fund
Data updated: 2026-08-13
BMSVX — MFS Blended Research Mid Cap Equity Fund. United States Mid Cap Blend / Core Equity · $2.93B AUM. Holdings, fees, performance and SEC filings.
BMSVX Fund Overview
BMSVX — MFS Blended Research Mid Cap Equity Fund is a US mutual fund managed by Mfs Series Trust X, 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: Mfs Series Trust X
- Category: United States Mid Cap Blend / Core Equity
- Assets under management: $2.93B
- 1-year return: 21.1%
- Ticker: BMSVX
- SEC CIK: 0000783740
- SEC series ID: S000054892
- Share class ID: C000172722
BMSVX Holdings
Top 10 holdings of MFS Blended Research Mid Cap Equity Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Western Digital Corp. | 2.95% |
| Flex Ltd. | 2.67% |
| Valero Energy Corp. | 1.99% |
| Ciena Corp. | 1.90% |
| Viking Holdings Ltd. | 1.86% |
| Okta, Inc. | 1.82% |
| Northern Trust Corp. | 1.76% |
| Aramark | 1.70% |
| Westinghouse Air Brake Technologies Corp. | 1.62% |
| Edison International | 1.59% |
BMSVX Portfolio Allocation
Asset-class allocation of MFS Blended Research Mid Cap Equity Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.4% |
| Cash & Equivalents | 0.4% |
BMSVX Performance
Total returns for BMSVX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 12.5% |
| 1 year | 21.1% |
| 3 years (annualised) | 19.9% |
| 5 years (annualised) | 10.4% |
BMSVX Risk Information
Risk metrics for BMSVX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 12.0%
BMSVX Costs and Fees
BMSVX costs about $59 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.59%
- Gross expense ratio: 0.67%
- Portfolio turnover: 58%
- Brokerage commissions: 1.92 bps of average net assets (SEC N-CEN)
BMSVX Cashflows
Over the 12 months to 2026-05, MFS Blended Research Mid Cap Equity Fund had net inflows of $1.06B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-05 | $108.05M |
| 2026-04 | $11.73M |
| 2026-03 | $93.84M |
| 2026-02 | $42.16M |
| 2026-01 | $58.07M |
| 2025-12 | $91.52M |
BMSVX Debt Constituents
No individual debt constituents are reported in MFS Blended Research Mid Cap Equity Fund's latest SEC N-PORT filing.
BMSVX Prospectus and SEC Filings
Official MFS Blended Research Mid Cap Equity Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-09-25
- Prospectus (485BPOS) — filed 2024-09-26
- Prospectus (485BPOS) — filed 2023-09-27
- Portfolio holdings (N-PORT) — filed 2026-07-23
- Portfolio holdings (N-PORT) — filed 2026-04-22
- Portfolio holdings (N-PORT) — filed 2026-01-23
- Annual census (N-CEN) — filed 2026-08-13
- Annual census (N-CEN) — filed 2025-08-14
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.