MPSAX — MassMutual Inflation-Protected and Income Fund
Data updated: 2026-05-27
MPSAX — MassMutual Inflation-Protected and Income Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Securitized (MBS/ABS/CMBS) Bond · $203.28M AUM · 0.99% expense ratio · 1.8% 1-yr return. From SEC regulatory filings.
MPSAX Fund Overview
MPSAX — MassMutual Inflation-Protected and Income Fund is a US mutual fund managed by Massmutual Premier Funds, categorised as Intermediate Securitized (MBS/ABS/CMBS) Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Massmutual Premier Funds
- Category: Intermediate Securitized (MBS/ABS/CMBS) Bond
- Assets under management: $203.28M
- 1-year return: 1.8%
- Ticker: MPSAX
- SEC CIK: 0000927972
- SEC series ID: S000003780
- Share class ID: C000010489
MPSAX Holdings
Top 10 holdings of MassMutual Inflation-Protected and Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| COLT Funding LLC | 2.50% |
| ERAC USA Finance LLC | 1.97% |
| Phillips 66 | 1.97% |
| Sherwin-Williams Co/The | 1.96% |
| Penske Truck Leasing Co LP | 1.96% |
| Entergy Corp | 1.95% |
| Amcor Flexibles North America Inc | 1.47% |
| Fidelity National Information Services Inc | 1.47% |
| Enbridge US Inc | 1.47% |
| Oak Street Investment Grade Net Lease Fund | 1.46% |
MPSAX Portfolio Allocation
Asset-class allocation of MassMutual Inflation-Protected and Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 54.4% |
| Fixed Income | 27.4% |
| Cash & Equivalents | 18.3% |
| Equity | 1.1% |
| Real Estate | 0.3% |
MPSAX Performance
Total returns for MPSAX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.4% |
| 1 year | 1.8% |
| 3 years (annualised) | 3.2% |
| 5 years (annualised) | 1.0% |
MPSAX Risk Information
Risk metrics for MPSAX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.5%
MPSAX Costs and Fees
MPSAX costs about $99 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.99%
- Gross expense ratio: 1.03%
- Portfolio turnover: 63%
- Brokerage commissions: 0.52 bps of average net assets (SEC N-CEN)
MPSAX Cashflows
Over the 12 months to 2026-03, MassMutual Inflation-Protected and Income Fund had net outflows of $12.33M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $2.51M |
| 2026-02 | $1.50M |
| 2026-01 | −$832.07K |
| 2025-12 | −$9.01M |
| 2025-11 | −$2.84M |
| 2025-10 | $1.04M |
MPSAX Debt Constituents
Largest debt holdings of MassMutual Inflation-Protected and Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 1.38% |
| United States Treasury | 1.13% |
| United States Treasury | 1.04% |
| United States Treasury | 1.04% |
| United States Treasury | 1.03% |
| United States Treasury | 0.98% |
| United States Treasury | 0.93% |
| United States Treasury | 0.92% |
| United States Treasury | 0.91% |
| United States Treasury | 0.82% |
MPSAX Prospectus and SEC Filings
Official MassMutual Inflation-Protected and Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate Securitized (MBS/ABS/CMBS) Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.