C000007314 Performance — MFS Value Series, Initial Class

Data updated: 2026-08-24

C000007314 returned +7.05% year to date and +13.33% over one year to Jun 2026. Annualised returns are +12.65% over 3 years and +8.43% over 5 years. The fund trailed its US Large Value category average: $100 invested three years ago grew to $143, against $158 for the category, and to $113 over one year, against $121. Volatility over the past three years was 11.08% a year. In the 12 months to Jun 2026 the fund lost a net $553.1M, and assets reached $2.05B.

C000007314 Growth of $100

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

PeriodC000007314Category average
1 year (Jul 2025 – Jun 2026)$113$121
3 years (Jul 2023 – Jun 2026)$143$158
5 years (Jul 2021 – Jun 2026)$150$165
Since data start (Jul 2019 – Jun 2026)$195$223

C000007314 Trailing Returns

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

PeriodTotal return
YTD+7.05%
1 year+13.33%
3 years (annualised)+12.65%
5 years (annualised)+8.43%

C000007314 Annual Returns

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

YearTotal return
2026 (Jan–Jun)+7.05%
2025+13.00%
2024+11.63%
2023+7.93%
2022−5.90%
2021+25.46%
2020+3.47%
2019 (Jul–Dec)+9.71%

C000007314 Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+3.3%+2.8%−4.8%+4.6%−1.1%+2.4%——————
2025+4.2%+1.9%−2.1%−2.7%+3.2%+2.3%−0.7%+3.7%+0.6%−2.0%+2.8%+1.4%
2024+0.6%+3.5%+4.5%−3.8%+2.9%−1.1%+5.2%+3.1%−0.2%−1.3%+4.8%−6.4%
2023+3.0%−4.0%−0.4%+1.7%−4.0%+5.9%+2.6%−2.2%−3.6%−1.9%+6.5%+4.7%
2022−3.4%−2.8%+2.6%−5.4%+3.2%−7.6%+6.3%−2.6%−7.9%+9.8%+6.8%−3.2%
2021−1.9%+4.0%+6.5%+4.5%+2.5%−1.4%+2.4%+2.5%−4.1%+5.6%−2.9%+6.0%
2020−1.5%−9.4%−14.8%+10.5%+3.9%−0.7%+4.0%+3.7%−1.8%−1.9%+11.7%+2.9%
2019——————+1.9%−1.9%+2.5%+0.8%+3.3%+2.9%

C000007314 Risk

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

  • 3-year volatility (annualised): 11.08%
  • 3-year Sharpe ratio: 0.74 (vs 4.5% risk-free rate)
  • Best month: +6.50% (Nov 2023)
  • Worst month: −6.36% (Dec 2024)

C000007314 Fund Flows

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

  • 12-month net flow: −$553.1M
  • 12-month gross sales (incl. reinvestments): $404.0M
  • Sales ÷ redemptions: 0.42×
MonthSalesRedemptionsNet flow
Jun 2026$13.2M$26.2M−$13.0M
May 2026$14.9M$20.0M−$5.0M
Apr 2026$13.8M$25.2M−$11.4M
Mar 2026$17.6M$30.7M−$13.1M
Feb 2026$8.0M$30.9M−$23.0M
Jan 2026$10.9M$37.8M−$26.9M
Dec 2025$20.8M$36.0M−$15.2M
Nov 2025$12.0M$404.7M−$392.7M
Oct 2025$16.5M$77.1M−$60.6M
Sep 2025$16.8M$153.3M−$136.5M
Aug 2025$242.5M$33.3M$209.2M
Jul 2025$16.9M$81.8M−$65.0M

C000007314 Assets Under Management

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

Report dateNet assets
2026-06-30$2.05B
2026-03-31$1.97B
2025-12-31$2.01B
2025-09-30$2.44B
2025-06-30$2.57B
2025-03-31$2.54B
2024-12-31$2.51B
2024-09-30$2.66B
2024-06-30$2.45B
2024-03-31$2.63B
2023-12-31$2.45B
2023-09-30$2.35B

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.