SIBGX — MFS Growth Allocation Portfolio
Data updated: 2026-05-26
SIBGX — MFS Growth Allocation Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Multi-Cap / All-Cap Blend / Core Equity · $339.16M AUM · 0.80% expense ratio · 10.3% 1-yr return. From SEC regulatory filings.
SIBGX Fund Overview
SIBGX — MFS Growth Allocation Portfolio is a US mutual fund managed by Mfs Variable Insurance Trust III, categorised as United States Multi-Cap / All-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 Variable Insurance Trust III
- Category: United States Multi-Cap / All-Cap Blend / Core Equity
- Assets under management: $339.16M
- 1-year return: 10.3%
- Ticker: SIBGX
- SEC CIK: 0001065698
- SEC series ID: S000023373
- Share class ID: C000068444
SIBGX Holdings
Top 10 holdings of MFS Growth Allocation Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| MFS Variable Insurance Trust - MFS Value Series | 11.10% |
| MFS Variable Insurance Trust II - MFS Research International Portfolio | 10.30% |
| MFS Growth Series | 10.01% |
| MFS Variable Insurance Trust - Research Series | 9.16% |
| MFS VIT III Mid Cap Value Portfolio | 9.03% |
| MFS VIT Mid Cap Growth Series | 8.88% |
| MFS VIT II - International Intrinsic Value Portfolio | 5.15% |
| MFS Variable Insurance Trust II - MFS International Growth Portfolio | 5.07% |
| MFS High Yield Portfolio | 5.06% |
| MFS VIT III Inflation Adjusted Bond Portfolio | 5.05% |
SIBGX Portfolio Allocation
Asset-class allocation of MFS Growth Allocation Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 100.0% |
SIBGX Performance
Total returns for SIBGX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -2.1% |
| 1 year | 10.3% |
| 3 years (annualised) | 10.1% |
| 5 years (annualised) | 5.2% |
SIBGX Risk Information
Risk metrics for SIBGX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 8.6%
SIBGX Costs and Fees
SIBGX costs about $80 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.80%
- Gross expense ratio: 0.80%
- Portfolio turnover: 10%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
SIBGX Cashflows
Over the 12 months to 2026-03, MFS Growth Allocation Portfolio had net inflows of $33.34M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $3.31M |
| 2026-02 | $631.58K |
| 2026-01 | $436.31K |
| 2025-12 | $1.39M |
| 2025-11 | $2.76M |
| 2025-10 | $2.96M |
SIBGX Debt Constituents
No individual debt constituents are reported in MFS Growth Allocation Portfolio's latest SEC N-PORT filing.
SIBGX Prospectus and SEC Filings
Official MFS Growth Allocation Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Multi-Cap / All-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.