vmgic.htm

Before you invest, you may want to review the fund’s prospectus, which contains more information about the fund and its risks. You can find the fund’s prospectus and other information about the fund, including the fund’s statement of additional information, online at insurancefunds.mfs.com. You can also get this information at no cost by calling 1-800-225-2606 or by sending an e-mail request to orderliterature@mfs.com. The fund’s prospectus and statement of additional information, both dated April 30, 2011, as may be supplemented from time to time, are incorporated by reference into this Summary Prospectus.

This table describes the fees and expenses that you may pay when you hold shares of the fund. If the fees and expenses imposed by the investment vehicle through which an investment in the fund is made were included, your expenses would be higher.

This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. If the fees and expenses imposed by the investment vehicle through which an investment in the fund is made were included, your expenses would be higher.

The example assumes that: you invest $10,000 in the fund for the time periods indicated and you redeem your shares at the end of the time periods; your investment has a 5% return each year; and the fund’s operating expenses remain the same.

The fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These transaction costs, which are not reflected in “Annual Fund Operating Expenses” or in the “Example,” affect the fund’s performance. During the most recent fiscal year, the fund’s portfolio turnover rate was 91% of the average value of its portfolio.

MFS (Massachusetts Financial Services Company, the fund's investment adviser) normally invests at least 80% of the fund’s net assets in issuers with medium market capitalizations. MFS generally defines medium market capitalization issuers as issuers with market capitalizations similar to market capitalizations of issuers included in the Russell Midcap Growth Index over the last 13 months at the time of purchase. As of March 31, 2011, the range of the Russell Midcap Growth Index was between $224 million and $24 billion.

MFS normally invests the fund’s assets primarily in equity securities. Equity securities include common stocks, preferred stocks, securities convertible into stocks, and depositary receipts for those securities.

MFS focuses on investing the fund’s assets in the stocks of companies it believes to have above average earnings growth potential compared to other companies (growth companies).

MFS uses a bottom-up investment approach to buying and selling investments for the fund. Investments are selected primarily based on fundamental analysis of individual issuers and their potential in light of their current financial condition, and market, economic, political, and regulatory conditions. Factors considered may include analysis of an issuer’s earnings, cash flows, competitive position, and management ability. Quantitative models that systematically evaluate an issuer’s valuation, price and earnings momentum, earnings quality, and other factors may also be considered.

As with any mutual fund, the fund may not achieve its objective and/or you could lose money on your investment in the fund. An investment in the fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency.

Stock Market/Company Risk: Stock markets are volatile and can decline significantly in response to issuer, market, economic, industry, political, regulatory, geopolitical, and other conditions, as well as to investor perceptions of these conditions. The price of an equity security can decrease significantly in response to these conditions, and these conditions can affect a single issuer or type of security, issuers within a broad market sector, industry or geographic region, or the market in general.

Growth Company Risk: The stocks of growth companies can be more sensitive to the company’s earnings and more volatile than the market in general.

Foreign Risk: Exposure to foreign markets through issuers or currencies can involve additional risks relating to market, economic, political, regulatory, geopolitical, or other conditions. These factors can make foreign investments, especially those in emerging markets, more volatile and less liquid than U.S. investments. In addition, foreign markets can react differently to these conditions than the U.S. market.

Investment Selection Risk: The MFS analysis of an investment can be incorrect and can lead to an investment focus that results in the fund underperforming other funds with similar investment strategies and/or underperforming the markets in which the fund invests.

Counterparty and Third Party Risk: Transactions involving a counterparty or third party other than the issuer of the instrument are subject to the credit risk of the counterparty or third party, and to the counterparty’s or third party’s ability to perform in accordance with the terms of the transaction.

Liquidity Risk: It may not be possible to sell certain investments, types of investments, and/or segments of the market at any particular time or at an acceptable price.

The bar chart and performance table below are intended to provide some indication of the risks of investing in the fund by showing changes in the fund’s performance over time. The performance table also shows how the fund's performance over time compares with that of a broad measure of market performance.

The fund’s past performance does not necessarily indicate how the fund will perform in the future. Updated performance is available at mfs.com or by calling 1-877-411-3325. If the fees and expenses imposed by the investment vehicle through which an investment in the fund is made were included, they would reduce the returns shown.

The total return for the three-month period ended March 31, 2011 was 6.18%. During the period(s) shown in the bar chart, the highest quarterly return was 28.69% (for the calendar quarter ended December 31, 2001) and the lowest quarterly return was (35.25)% (for the calendar quarter ended December 31, 2008).

Share Class	1 YEAR	5 YEARS	10 YEARS
Initial Class Shares	29.65%	0.06%	(2.71)%
Index Comparison (Reflects no deduction for fees, expenses or taxes)
Russell Midcap Growth Index	26.38%	4.88%	3.12%

Because shares of the fund are offered to insurance company separate accounts, qualified retirement plans and pension plans, and other eligible investors, you should consult with the insurance company that issued your contract, plan sponsor, or other eligible investor through which your investment in the fund is made to understand the tax treatment of your investment.

If you purchase the fund through an insurance company, plan sponsor, broker-dealer, or other financial intermediary, the fund, MFS, and its affiliates may make payments to insurance companies, plan sponsors, other financial intermediaries, and all of their affiliates for distribution and/or other services. These payments may create a conflict of interest for the insurance company, plan sponsor, or other financial intermediary to include the fund as an investment option in their product or to recommend the fund over another investment option. Ask your financial intermediary, insurance company, or plan sponsor, or visit your financial intermediary's or insurance company's Web site, for more information.

CLASS	TICKER SYMBOL
Initial Class	N/A


Management Fee	0.75%
Distribution and/or Service (12b-1) Fees	None
Other Expenses	0.13%
Total Annual Fund Operating Expenses	0.88%

	1 YEAR	3 YEARS	5 YEARS	10 YEARS
Initial Class Shares	$90	$281	$488	$1,084

Portfolio Manager	Since	Title
Eric B. Fischman	2008	Investment Officer of MFS
Paul J. Gordon	May 2011	Investment Officer of MFS