SCGMX Performance — MFS Mid Cap Value Portfolio, Initial Class

Data updated: 2026-08-24

SCGMX returned +12.77% year to date and +19.06% over one year to Jun 2026. Annualised returns are +13.04% over 3 years and +8.98% over 5 years. The fund trailed its US Mid-Cap Value category average: $100 invested three years ago grew to $144, against $148 for the category, and to $119 over one year, against $120. Volatility over the past three years was 14.03% a year. In the 12 months to Jun 2026 the fund took in a net $34.5M, and assets reached $657.83M.

SCGMX Growth of $100

What $100 invested in MFS Mid Cap Value Portfolio grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Value category average over the same months.

PeriodSCGMXCategory average
1 year (Jul 2025 – Jun 2026)$119$120
3 years (Jul 2023 – Jun 2026)$144$148
5 years (Jul 2021 – Jun 2026)$154$154
Since data start (Jul 2019 – Jun 2026)$208$212

SCGMX Trailing Returns

Total returns to Jun 2026, from SEC N-PORT.

PeriodTotal return
YTD+12.77%
1 year+19.06%
3 years (annualised)+13.04%
5 years (annualised)+8.98%

SCGMX Annual Returns

Calendar-year total returns of MFS Mid Cap Value Portfolio, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+12.77%
2025+5.99%
2024+13.74%
2023+12.73%
2022−8.77%
2021+30.98%
2020+3.89%
2019 (Jul–Dec)+9.32%

SCGMX Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+3.9%+3.9%−6.3%+5.7%+1.1%+4.4%——————
2025+3.2%−2.4%−3.4%−4.1%+4.8%+2.6%+1.4%+3.4%−0.4%−1.6%+2.5%+0.2%
2024−1.7%+5.4%+5.1%−4.4%+4.0%−2.0%+6.2%+2.0%+1.4%−0.7%+5.9%−7.2%
2023+7.4%−2.9%−3.5%+1.0%−4.0%+8.8%+3.1%−3.2%−4.3%−3.9%+8.4%+6.9%
2022−2.9%+0.2%+0.2%−5.5%+3.4%−10.3%+8.2%−2.7%−9.5%+9.9%+6.1%−4.0%
2021−0.6%+6.9%+6.7%+5.0%+1.7%−1.6%+0.5%+2.2%−2.9%+5.4%−1.9%+6.6%
2020−2.6%−9.9%−21.4%+12.9%+5.4%+0.7%+5.0%+2.9%−2.6%+1.1%+13.2%+4.2%
2019——————+0.8%−2.6%+4.0%+1.0%+2.5%+3.4%

SCGMX Risk

Risk measures from monthly returns over Jul 2023 – Jun 2026.

  • 3-year volatility (annualised): 14.03%
  • 3-year Sharpe ratio: 0.61 (vs 4.5% risk-free rate)
  • Best month: +8.36% (Nov 2023)
  • Worst month: −7.19% (Dec 2024)

SCGMX Fund Flows

Monthly money in and out of MFS Mid Cap Value Portfolio, from SEC Form N-PORT.

  • 12-month net flow: $34.5M
  • 12-month gross sales (incl. reinvestments): $164.5M
  • Sales ÷ redemptions: 1.27×
MonthSalesRedemptionsNet flow
Jun 2026$11.1M$11.6M−$518K
May 2026$7.7M$8.1M−$447K
Apr 2026$12.7M$13.7M−$1.0M
Mar 2026$8.3M$9.5M−$1.2M
Feb 2026$7.1M$10.0M−$2.9M
Jan 2026$7.6M$12.1M−$4.6M
Dec 2025$10.8M$14.1M−$3.3M
Nov 2025$5.6M$9.4M−$3.8M
Oct 2025$8.3M$8.2M$189K
Sep 2025$7.7M$9.4M−$1.7M
Aug 2025$66.3M$10.4M$55.8M
Jul 2025$11.2M$13.3M−$2.2M

SCGMX Assets Under Management

Net assets of MFS Mid Cap Value Portfolio by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$657.83M
2026-03-31$591.45M
2025-12-31$593.44M
2025-09-30$593.76M
2025-06-30$574.84M
2025-03-31$544.33M
2024-12-31$547.24M
2024-09-30$558.38M
2024-06-30$508.98M
2024-03-31$525.72M
2023-12-31$493.58M
2023-09-30$447.49M

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.