MVCKX Performance — MFS Mid Cap Value Fund, Class R6
Data updated: 2026-08-24
MVCKX returned +13.03% year to date and +19.56% over one year to Jun 2026. Annualised returns are +13.47% over 3 years and +9.26% over 5 years. The fund trailed its US Mid-Cap Value category average: $100 invested three years ago grew to $146, against $148 for the category, and to $120 over one year, against $120. Volatility over the past three years was 14.09% a year. In the 12 months to Jun 2026 the fund lost a net $1.3B, and assets reached $17.32B.
MVCKX Growth of $100
What $100 invested in MFS Mid Cap Value Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Value category average over the same months.
| Period | MVCKX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $120 | $120 |
| 3 years (Jul 2023 – Jun 2026) | $146 | $148 |
| 5 years (Jul 2021 – Jun 2026) | $156 | $154 |
| Since data start (Jul 2019 – Jun 2026) | $212 | $212 |
MVCKX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +13.03% |
| 1 year | +19.56% |
| 3 years (annualised) | +13.47% |
| 5 years (annualised) | +9.26% |
MVCKX Annual Returns
Calendar-year total returns of MFS Mid Cap Value Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +13.03% |
| 2025 | +6.47% |
| 2024 | +14.12% |
| 2023 | +12.92% |
| 2022 | −8.64% |
| 2021 | +30.97% |
| 2020 | +4.40% |
| 2019 (Jul–Dec) | +9.30% |
MVCKX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +3.8% | +3.9% | −6.3% | +5.8% | +1.1% | +4.6% | — | — | — | — | — | — |
| 2025 | +3.3% | −2.5% | −3.3% | −4.0% | +4.7% | +2.7% | +1.5% | +3.4% | −0.4% | −1.5% | +2.6% | +0.2% |
| 2024 | −1.6% | +5.4% | +5.1% | −4.4% | +4.0% | −2.0% | +6.4% | +2.0% | +1.4% | −0.6% | +6.0% | −7.2% |
| 2023 | +7.4% | −2.9% | −3.5% | +0.9% | −3.9% | +8.8% | +3.1% | −3.2% | −4.3% | −3.9% | +8.5% | +6.8% |
| 2022 | −2.9% | +0.2% | +0.2% | −5.4% | +3.3% | −10.4% | +8.2% | −2.6% | −9.4% | +9.9% | +6.2% | −4.0% |
| 2021 | −0.5% | +6.9% | +6.7% | +5.0% | +1.7% | −1.6% | +0.5% | +2.3% | −3.0% | +5.4% | −1.9% | +6.6% |
| 2020 | −2.6% | −9.7% | −21.4% | +12.8% | +5.5% | +0.7% | +5.0% | +2.8% | −2.4% | +1.2% | +13.4% | +4.3% |
| 2019 | — | — | — | — | — | — | +0.8% | −2.6% | +4.0% | +0.9% | +2.6% | +3.4% |
MVCKX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 14.09%
- 3-year Sharpe ratio: 0.64 (vs 4.5% risk-free rate)
- Best month: +8.50% (Nov 2023)
- Worst month: −7.22% (Dec 2024)
MVCKX Fund Flows
Monthly money in and out of MFS Mid Cap Value Fund, from SEC Form N-PORT.
- 12-month net flow: −$1.3B
- 12-month gross sales (incl. reinvestments): $3.7B
- Sales ÷ redemptions: 0.73×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $162.6M | $368.9M | −$206.3M |
| May 2026 | $191.9M | $320.4M | −$128.5M |
| Apr 2026 | $149.7M | $334.9M | −$185.3M |
| Mar 2026 | $184.6M | $418.4M | −$233.8M |
| Feb 2026 | $148.8M | $469.4M | −$320.5M |
| Jan 2026 | $230.9M | $495.8M | −$265.0M |
| Dec 2025 | $1.4B | $618.1M | $810.0M |
| Nov 2025 | $183.2M | $363.8M | −$180.6M |
| Oct 2025 | $365.9M | $417.7M | −$51.8M |
| Sep 2025 | $190.8M | $362.4M | −$171.6M |
| Aug 2025 | $291.2M | $464.1M | −$172.8M |
| Jul 2025 | $202.1M | $443.9M | −$241.7M |
MVCKX Assets Under Management
Net assets of MFS Mid Cap Value Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $17.32B |
| 2026-03-31 | $15.99B |
| 2025-12-31 | $16.60B |
| 2025-09-30 | $17.11B |
| 2025-06-30 | $16.95B |
| 2025-03-31 | $16.76B |
| 2024-12-31 | $17.09B |
| 2024-09-30 | $17.87B |
| 2024-06-30 | $16.35B |
| 2024-03-31 | $17.26B |
| 2023-12-31 | $16.20B |
| 2023-09-30 | $14.86B |
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.