MFS Utilities Series
Data updated: 2026-05-26
C000007312 — MFS Utilities Series data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Utilities Equity · $1.25B AUM · 0.78% expense ratio · 24.0% 1-yr return. From SEC regulatory filings.
C000007312 Fund Overview
MFS Utilities Series is a US mutual fund managed by Mfs Variable Insurance Trust, categorised as United States Utilities 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 Variable Insurance Trust
- Category: United States Utilities Equity
- Assets under management: $1.25B
- 1-year return: 24.0%
- SEC CIK: 0000918571
- SEC series ID: S000002671
- Share class ID: C000007312
C000007312 Holdings
Top 10 holdings of MFS Utilities Series by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NextEra Energy Inc | 12.77% |
| Constellation Energy Corp | 6.30% |
| PG&E Corp | 5.98% |
| Xcel Energy Inc | 5.20% |
| Sempra | 5.15% |
| American Electric Power Co Inc | 4.51% |
| DTE Energy Co | 4.06% |
| Ameren Corp | 3.83% |
| Southern Co/The | 3.80% |
| Dominion Energy Inc | 3.75% |
C000007312 Portfolio Allocation
Asset-class allocation of MFS Utilities Series by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.6% |
| Derivatives | 0.1% |
C000007312 Performance
Total returns for C000007312 (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 9.1% |
| 1 year | 24.0% |
| 3 years (annualised) | 11.3% |
| 5 years (annualised) | 9.2% |
C000007312 Risk Information
Risk metrics for C000007312, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.3%
C000007312 Costs and Fees
C000007312 costs about $78 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.78%
- Gross expense ratio: 0.79%
- Portfolio turnover: 17%
- Brokerage commissions: 1.38 bps of average net assets (SEC N-CEN)
C000007312 Cashflows
Over the 12 months to 2026-03, MFS Utilities Series had net outflows of $50.25M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$11.22M |
| 2026-02 | −$5.59M |
| 2026-01 | −$5.80M |
| 2025-12 | −$9.13M |
| 2025-11 | −$7.71M |
| 2025-10 | −$10.12M |
C000007312 Debt Constituents
No individual debt constituents are reported in MFS Utilities Series's latest SEC N-PORT filing.
C000007312 Prospectus and SEC Filings
Official MFS Utilities Series filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Utilities 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.