MIPSX Performance — MassMutual Inflation-Protected and Income Fund, Class R5

Data updated: 2026-08-27

MIPSX returned +1.57% year to date and +2.71% over one year to Jun 2026. Annualised returns are +4.35% over 3 years and +0.95% over 5 years. The fund trailed its Short-Term Securitized Bond category average: $100 invested three years ago grew to $114, against $120 for the category, and to $103 over one year, against $105. Volatility over the past three years was 4.25% a year. In the 12 months to Jun 2026 the fund lost a net $11.6M, and assets reached $204.17M.

MIPSX Growth of $100

What $100 invested in MassMutual Inflation-Protected and Income Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Short-Term Securitized Bond category average over the same months.

PeriodMIPSXCategory average
1 year (Jul 2025 – Jun 2026)$103$105
3 years (Jul 2023 – Jun 2026)$114$120
5 years (Jul 2021 – Jun 2026)$105$117
Since data start (Jul 2019 – Jun 2026)$122$126

MIPSX Trailing Returns

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

PeriodTotal return
YTD+1.57%
1 year+2.71%
3 years (annualised)+4.35%
5 years (annualised)+0.95%

MIPSX Annual Returns

Calendar-year total returns of MassMutual Inflation-Protected and Income Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+1.57%
2025+5.81%
2024+2.62%
2023+5.52%
2022−13.42%
2021+6.33%
2020+11.32%
2019 (Jul–Dec)+2.12%

MIPSX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+0.6%+1.1%−1.1%+1.2%+0.1%−0.4%——————
2025+0.5%+2.1%+1.5%+0.1%−0.4%+0.9%+0.2%+1.5%−0.2%+0.2%+0.1%−0.7%
2024+1.0%−1.2%+0.4%+0.8%+1.8%−1.7%+1.6%+0.9%+1.8%−1.6%+0.6%−1.8%
2023+2.8%−1.2%+2.1%−0.3%−1.2%+0.2%−1.8%−0.6%+0.5%+2.9%+2.8%−0.7%
2022−2.1%+0.7%−2.2%−3.7%−1.0%−2.0%−6.8%−2.1%+4.2%−0.6%+0.9%+0.9%
20210.0%−1.7%+0.5%+0.6%+1.2%+1.6%−0.8%−0.1%+2.7%+0.2%+0.9%+1.1%
2020−4.2%+1.2%+1.9%+2.1%+0.3%+3.8%0.0%+1.2%+2.7%+1.3%+1.2%−0.6%
2019——————−1.3%+2.4%+0.4%+0.1%+0.6%0.0%

MIPSX Risk

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

  • 3-year volatility (annualised): 4.25%
  • 3-year Sharpe ratio: -0.04 (vs 4.5% risk-free rate)
  • Best month: +2.91% (Oct 2023)
  • Worst month: −1.82% (Jul 2023)

MIPSX Fund Flows

Monthly money in and out of MassMutual Inflation-Protected and Income Fund, from SEC Form N-PORT.

  • 12-month net flow: −$11.6M
  • 12-month gross sales (incl. reinvestments): $78.3M
  • Sales ÷ redemptions: 0.87×
MonthSalesRedemptionsNet flow
Jun 2026$6.4M$5.2M$1.2M
May 2026$6.2M$4.8M$1.4M
Apr 2026$4.2M$5.1M−$920K
Mar 2026$9.5M$7.0M$2.5M
Feb 2026$5.0M$3.5M$1.5M
Jan 2026$5.7M$6.6M−$832K
Dec 2025$6.7M$15.7M−$9.0M
Nov 2025$7.7M$10.5M−$2.8M
Oct 2025$7.7M$6.7M$1.0M
Sep 2025$6.8M$8.8M−$2.0M
Aug 2025$5.4M$10.9M−$5.5M
Jul 2025$7.1M$5.2M$1.8M

MIPSX Assets Under Management

Net assets of MassMutual Inflation-Protected and Income Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$204.17M
2026-03-31$203.28M
2025-12-31$200.41M
2025-09-30$214.76M
2025-06-30$219.41M
2025-03-31$220.53M
2024-12-31$229.07M
2024-09-30$244.10M
2024-06-30$241.31M
2024-03-31$253.55M
2023-12-31$249.91M
2023-09-30$260.46M

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.