MSPNX — MassMutual Total Return Bond Fund

Data updated: 2025-08-25

MSPNX — MassMutual Total Return Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $435.18M AUM · 1.03% expense ratio · 5.6% 1-yr return. From SEC regulatory filings.

MSPNX Fund Overview

MSPNX — MassMutual Total Return Bond Fund is a US mutual fund managed by Massmutual Select Funds, categorised as Long Total / Aggregate 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 Select Funds
  • Category: Long Total / Aggregate Bond
  • Assets under management: $435.18M
  • 1-year return: 5.6%
  • Ticker: MSPNX
  • SEC CIK: 0000916053
  • SEC series ID: S000029393
  • Share class ID: C000090288

MSPNX Holdings

Top 10 holdings of MassMutual Total Return Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
Fixed Income Clearing Corp8.93%
United States Treasury5.68%
United States Treasury5.14%
United States Treasury4.25%
United States Treasury3.30%
United States Treasury2.63%
Fannie Mae1.50%
United States Treasury1.36%
Government National Mortgage Association1.28%
Umbs, Tba1.26%

View all MSPNX holdings

MSPNX Portfolio Allocation

Asset-class allocation of MassMutual Total Return Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Securitized55.0%
Fixed Income42.8%
Cash & Equivalents10.3%
Loans1.8%
Real Estate0.3%
Equity0.2%

MSPNX Performance

Total returns for MSPNX (as of 2026-08-01), from SEC filings.

PeriodTotal return
1 year5.6%
3 years (annualised)1.7%
5 years (annualised)-1.3%

MSPNX Risk Information

Risk metrics for MSPNX, derived from monthly returns in SEC filings.

  • 1-year volatility (annualised): 6.1%

MSPNX Costs and Fees

MSPNX costs about $103 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 1.03%
  • Gross expense ratio: 1.08%
  • Portfolio turnover: 508%
  • Brokerage commissions: 0.29 bps of average net assets (SEC N-CEN)

MSPNX Cashflows

Over the 12 months to 2025-06, MassMutual Total Return Bond Fund had net outflows of $290.29M, from monthly SEC N-PORT filings.

MonthNet flow
2025-06−$4.54M
2025-05−$8.66M
2025-04−$9.03M
2025-03−$124.15M
2025-02−$35.50M
2025-01−$18.78M

MSPNX Debt Constituents

Largest debt holdings of MassMutual Total Return Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.

Debt holding% of net assets
United States Treasury5.68%
United States Treasury5.14%
United States Treasury4.25%
United States Treasury3.30%
United States Treasury2.63%
United States Treasury1.36%
United States Treasury1.19%
Bank of America Corp0.58%
Goldman Sachs Group, Inc.0.56%
Farmers Exchange Cap Iii0.53%

MSPNX Prospectus and SEC Filings

Official MassMutual Total Return Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other Long Total / Aggregate 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.