MMOOX — MassMutual Inflation-Protected and Income Fund
Data updated: 2026-08-27
MMOOX — MassMutual Inflation-Protected and Income Fund. Intermediate Securitized (MBS/ABS/CMBS) Bond. Holdings, fees, performance and SEC filings.
MMOOX Fund Overview
MMOOX — 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: $204.17M
- Ticker: MMOOX
- SEC CIK: 0000927972
- SEC series ID: S000003780
- Share class ID: C000271050
MMOOX Investment Objective and Strategy
MassMutual Inflation-Protected and Income Fund describes its objective and strategy as follows, from its latest prospectus filed with the SEC by Massmutual Premier Funds.
Investment objective
This Fund seeks to achieve as high a total rate of real return on an annual basis as is considered consistent with prudent investment risk and the preservation of capital.
Principal investment strategy
The Fund will seek to potentially earn additional income by entering into reverse repurchase agreement transactions and investing the proceeds of those transactions in additional securities of a nature described above. Use of reverse repurchase agreements is a form of borrowing and creates leverage in the Fund. PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE
MMOOX 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 | 2.38% |
| EIDP Inc | 1.96% |
| Tampa Electric Co | 1.96% |
| American Honda Finance Corp | 1.95% |
| Equifax Inc | 1.95% |
| Becton Dickinson & Co | 1.47% |
| Penske Truck Leasing Co LP | 1.46% |
| Spire Inc | 1.46% |
| Oak Street Investment Grade Net Lease Fund | 1.42% |
| United States Treasury | 1.38% |
MMOOX 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 | 58.4% |
| Fixed Income | 28.0% |
| Cash & Equivalents | 13.4% |
| Equity | 1.1% |
| Real Estate | 0.1% |
MMOOX Performance
Total returns for MMOOX (as of 2026-10-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.3% |
| 1 year | 2.2% |
| 3 years (annualised) | 3.9% |
| 5 years (annualised) | 0.5% |
MMOOX Risk Information
Risk metrics for MMOOX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.6%
MMOOX Costs and Fees
MMOOX costs about $15 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.15%
- Gross expense ratio: 0.53%
- Portfolio turnover: 63%
- Brokerage commissions: 0.52 bps of average net assets (SEC N-CEN)
MMOOX Cashflows
Over the 12 months to 2026-06, MassMutual Inflation-Protected and Income Fund had net outflows of $11.64M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $1.22M |
| 2026-05 | $1.39M |
| 2026-04 | −$920.50K |
| 2026-03 | $2.51M |
| 2026-02 | $1.50M |
| 2026-01 | −$832.07K |
MMOOX 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 | 0.99% |
| United States Treasury | 0.93% |
| United States Treasury | 0.93% |
| United States Treasury | 0.91% |
| United States Treasury | 0.82% |
MMOOX Prospectus and SEC Filings
Official MassMutual Inflation-Protected and Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-30
- Prospectus (485BPOS) — filed 2025-01-31
- Prospectus supplement (497) — filed 2024-07-01
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-05-27
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2025-12-12
- Annual census (N-CEN) — filed 2024-12-13
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.