Returns Chart

Key Stats

Net Expense Ratio Total Assets Under Management Weighted Average Dividend Yield Turnover Ratio (Generic)
0.33% 203.76M -- 508.0%
1 Year Fund Level Flows 1 Year Total Returns (Daily) Annualized Total Returns Since Inception (Daily) Max Drawdown (Since Inception)
-424.47M 2.40% Upgrade Upgrade

Basic Info

Investment Strategy
This Fund seeks maximum total return, consistent with preservation of capital and prudent investment management. The Fund invests at least 80% of its net assets in a diversified portfolio of investment grade fixed income securities of varying maturities issued by domestic and foreign corporations and governments.
General
Security Type Mutual Fund
Equity Style --
Broad Asset Class Taxable Bond
Broad Category Fixed Income
Global Peer Group Bond USD Medium Term
Peer Group Core Bond Funds
Global Macro Bond HC
US Macro Short/Intermediate Investment-Grade Funds
YCharts Categorization --
YCharts Benchmark --
Prospectus Objective Core Bond Funds
Fund Owner Firm Name MassMutual
Broad Asset Class Benchmark Index
^BBUSATR 100.0%

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Net Fund Flows Versus Peer Group

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1M
3M
6M
YTD
1Y
3Y
5Y
10Y
 
80.00B
60.00B
40.00B
20.00B
0
-20.00B
1 Month
% Rank: 96
-466.63M Peer Group Low
2.295B Peer Group High
1 Year
% Rank: 88
-424.47M
-9.560B Peer Group Low
24.98B Peer Group High
3 Months
% Rank: 94
-1.229B Peer Group Low
14.87B Peer Group High
3 Years
% Rank: 88
-13.69B Peer Group Low
71.35B Peer Group High
6 Months
% Rank: 82
-2.634B Peer Group Low
7.327B Peer Group High
5 Years
% Rank: 86
-13.12B Peer Group Low
133.15B Peer Group High
YTD
% Rank: 90
-2.892B Peer Group Low
10.89B Peer Group High
10 Years
% Rank: 87
-14.79B Peer Group Low
217.47B Peer Group High
Date Unavailable

Performance Versus Peer Group

 
20%
15%
10%
5%
0
Name
1M
3M
YTD
1Y
3Y
5Y
10Y
15Y
Total Return (NAV)
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
Peer Group Rtn. (NAV)
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
% Rank in Peer Group (NAV)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
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Annual Total Returns Versus Peers

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Name
2018
2019
2020
2021
2022
2023
2024
YTD
0.06%
9.16%
9.21%
-1.07%
-14.24%
5.79%
0.79%
6.75%
0.01%
8.72%
7.51%
-1.54%
-13.01%
5.53%
1.25%
6.40%
-0.91%
10.32%
8.71%
-1.18%
-14.41%
6.69%
2.07%
6.36%
-1.23%
9.38%
9.72%
-0.51%
-15.29%
12.86%
4.75%
7.13%
0.64%
11.68%
7.19%
-3.63%
-12.82%
5.10%
3.16%
6.78%
-0.27%
10.02%
8.08%
-1.03%
-14.21%
7.01%
2.87%
6.82%
As of December 27, 2025.

Fundamentals

General
Distribution Yield --
Dividend Yield TTM (9-11-25) 5.15%
30-Day SEC Yield (7-31-25) 4.31%
7-Day SEC Yield --
Number of Holdings 508
Bond
Yield to Maturity (7-31-25) 4.97%
Effective Duration 6.21
Average Coupon 4.43%
Calculated Average Quality 2.364
Effective Maturity 17.40
Nominal Maturity 17.56
Number of Bond Holdings 477
As of July 31, 2025

Asset Allocation

As of July 31, 2025.
Type % Net
Cash 9.13%
Stock 0.00%
Bond 64.22%
Convertible 0.00%
Preferred 0.00%
Other 26.65%
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Top 10 Holdings

Name % Weight Price % Change
2YR T-NOTE DEC25
17.13% -- --
5YR T NOTE DEC25
15.08% -- --
United States of America USGB 4.875 08/15/2045 FIX USD Government 14.71% -- --
United States of America USGB 3.875 08/31/2032 FIX USD Government 14.23% -- --
FIXED INCOME CLEARING CORP REPO
11.41% -- --
United States of America USGB 3.625 08/31/2027 FIX USD Government 10.80% 100.22 0.10%
USD CASH
8.79% -- --
US T BONDS DEC25
6.35% -- --
ULTRA BOND DEC25
5.47% -- --
United States of America USGB 3.625 08/31/2030 FIX USD Government 2.71% 99.80 0.18%

Fees & Availability

Fees
Actual 12B-1 Fee --
Actual Management Fee 0.25%
Administration Fee --
Maximum Front Load --
Maximum Deferred Load --
Maximum Redemption Fee --
General Availability
Available for Insurance Product --
Available for RRSP --
Purchase Details
Open to New Investors Yes
Minimum Initial Investment 0.00 None
Minimum Subsequent Investment 0.00 None

Basic Info

Investment Strategy
This Fund seeks maximum total return, consistent with preservation of capital and prudent investment management. The Fund invests at least 80% of its net assets in a diversified portfolio of investment grade fixed income securities of varying maturities issued by domestic and foreign corporations and governments.
General
Security Type Mutual Fund
Equity Style --
Broad Asset Class Taxable Bond
Broad Category Fixed Income
Global Peer Group Bond USD Medium Term
Peer Group Core Bond Funds
Global Macro Bond HC
US Macro Short/Intermediate Investment-Grade Funds
YCharts Categorization --
YCharts Benchmark --
Prospectus Objective Core Bond Funds
Fund Owner Firm Name MassMutual
Broad Asset Class Benchmark Index
^BBUSATR 100.0%

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Fundamentals

General
Distribution Yield --
Dividend Yield TTM (9-11-25) 5.15%
30-Day SEC Yield (7-31-25) 4.31%
7-Day SEC Yield --
Number of Holdings 508
Bond
Yield to Maturity (7-31-25) 4.97%
Effective Duration 6.21
Average Coupon 4.43%
Calculated Average Quality 2.364
Effective Maturity 17.40
Nominal Maturity 17.56
Number of Bond Holdings 477
As of July 31, 2025

Fund Details

Key Dates
Inception Date 7/6/2010
Attributes
Inverse Fund --
Leveraged Fund --
Currency Hedged Fund --
Socially Responsible Fund No

Top Portfolio Holders

Name % Weight
Portfolio A 5.00%
Portfolio B 3.50%
Portfolio C 2.25%
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Excel Add-In Codes

Name: =YCI("M:MSPZX:DL", "name")
Broad Asset Class: =YCI("M:MSPZX:DL", "broad_asset_class")
Broad Category: =YCI("M:MSPZX:DL", "broad_category_group")
Prospectus Objective: =YCI("M:MSPZX:DL", "prospectus_objective")
To find the codes for any of our securities and financial metrics, see our Complete Excel Reference.
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