C000068454 Performance — MFS Inflation-Adjusted Bond Portfolio, Initial Class

Data updated: 2026-08-24

C000068454 returned +0.25% year to date and +0.91% over one year to Jun 2026. Annualised returns are +2.27% over 3 years and −2.85% over 5 years. The fund trailed its Global Long-Term Core Bond category average: $100 invested three years ago grew to $107, against $114 for the category, and to $101 over one year, against $102. Volatility over the past three years was 7.34% a year. In the 12 months to Jun 2026 the fund lost a net $5.5M, and assets reached $148.19M.

C000068454 Growth of $100

What $100 invested in MFS Inflation-Adjusted Bond Portfolio grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Global Long-Term Core Bond category average over the same months.

PeriodC000068454Category average
1 year (Jul 2025 – Jun 2026)$101$102
3 years (Jul 2023 – Jun 2026)$107$114
5 years (Jul 2021 – Jun 2026)$87$100
Since data start (Jul 2019 – Jun 2026)$99$109

C000068454 Trailing Returns

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

PeriodTotal return
YTD+0.25%
1 year+0.91%
3 years (annualised)+2.27%
5 years (annualised)−2.85%

C000068454 Annual Returns

Calendar-year total returns of MFS Inflation-Adjusted Bond Portfolio, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+0.25%
2025+8.63%
2024−3.93%
2023+2.73%
2022−21.55%
2021+1.63%
2020+13.55%
2019 (Jul–Dec)+1.47%

C000068454 Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+1.5%+1.5%−3.2%+1.7%+0.4%−1.5%——————
2025+1.0%+1.5%+1.0%+2.1%−0.6%+2.6%−1.9%+1.2%+0.6%+0.1%+0.2%+0.4%
2024−2.1%−1.1%+1.1%−2.6%+2.0%−0.2%+2.7%+1.3%+1.7%−3.4%0.0%−3.3%
2023+2.8%−3.4%+4.1%−0.4%−3.1%+0.7%+0.2%−1.8%−4.2%−0.9%+4.6%+4.7%
2022−2.7%+0.1%−2.3%−5.5%−2.8%−5.0%+4.4%−6.1%−7.7%+1.0%+5.3%−1.9%
2021−1.1%−2.7%+0.3%+1.3%+2.6%−1.3%+3.5%−0.5%−2.6%+2.1%+1.1%−0.9%
2020+2.7%0.0%−4.1%+3.2%+1.4%+1.7%+4.7%+0.1%−1.0%−0.1%+2.4%+2.2%
2019——————−0.2%+3.1%−0.9%+0.3%−1.2%+0.5%

C000068454 Risk

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

  • 3-year volatility (annualised): 7.34%
  • 3-year Sharpe ratio: -0.30 (vs 4.5% risk-free rate)
  • Best month: +4.66% (Dec 2023)
  • Worst month: −4.25% (Sep 2023)

C000068454 Fund Flows

Monthly money in and out of MFS Inflation-Adjusted Bond Portfolio, from SEC Form N-PORT.

  • 12-month net flow: −$5.5M
  • 12-month gross sales (incl. reinvestments): $18.8M
  • Sales ÷ redemptions: 0.77×
MonthSalesRedemptionsNet flow
Jun 2026$3.6M$1.4M$2.2M
May 2026$878K$1.3M−$436K
Apr 2026$367K$1.5M−$1.2M
Mar 2026$176K$3.3M−$3.1M
Feb 2026$63K$2.1M−$2.1M
Jan 2026$322K$1.8M−$1.5M
Dec 2025$1.2M$2.1M−$857K
Nov 2025$199K$2.9M−$2.7M
Oct 2025$250K$2.1M−$1.9M
Sep 2025$2.7M$2.2M$489K
Aug 2025$5.6M$2.0M$3.5M
Jul 2025$3.4M$1.3M$2.2M

C000068454 Assets Under Management

Net assets of MFS Inflation-Adjusted Bond Portfolio by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$148.19M
2026-03-31$146.83M
2025-12-31$153.99M
2025-09-30$158.42M
2025-06-30$157.52M
2025-03-31$156.29M
2024-12-31$159.20M
2024-09-30$168.05M
2024-06-30$165.49M
2024-03-31$173.60M
2023-12-31$176.01M
2023-09-30$168.68M

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.