MFS Total Return Bond Fund Class B (MRBBX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
9.76
+0.03 (0.31%)
At close: Feb 13, 2026

MRBBX Holdings Information

MRBBX is a mutual fund with a total of 1098 individual holdings.

Total Holdings
1098
Top 10 Percentage
26.33%
Asset Class
Fixed Income
Fund Category
Intermediate Core-Plus Bond
Assets
8.35B
Forward PE Ratio
n/a

Breakdown by Asset Class

Top 25 Holdings

No.SymbolName WeightShares
1n/a2 Year Treasury Note Future Mar 265.33%2,135
2n/a5 Year Treasury Note Future Mar 264.22%3,232
3T.4.125 02.15.27United States Treasury Notes 4.13%3.91%320,100,000
4n/aUltra US Treasury Bond Future Mar 262.45%1,737
5T.4.75 11.15.43United States Treasury Bonds 4.75%2.14%177,950,000
6T.4.25 06.30.29United States Treasury Notes 4.25%2.04%167,000,000
7T.4.25 02.15.54United States Treasury Bonds 4.25%2.02%183,300,000
8T.4.25 11.15.34United States Treasury Notes 4.25%1.91%157,500,000
9T.4.375 08.15.43United States Treasury Bonds 4.38%1.18%101,800,000
10T.4.875 10.31.28United States Treasury Notes 4.88%1.13%90,926,000
11FR.SD8199Federal Home Loan Mortgage Corp. 2%1.10%113,293,649
12T.4.5 02.15.44United States Treasury Bonds 4.5%1.07%90,700,000
13T.4.5 11.15.54United States Treasury Bonds 4.5%1.01%88,800,000
14T.3.875 08.15.34United States Treasury Notes 3.88%0.88%74,000,000
15T.1.625 11.15.50United States Treasury Bonds 1.63%0.84%132,800,000
16n/aCurrency Cash CASH_USD0.80%66,347,220
17T.4.125 07.31.28United States Treasury Notes 4.13%0.79%64,200,000
18T.3.625 08.31.30United States Treasury Notes 3.63%0.69%57,000,000
19T.1.375 11.15.40United States Treasury Bonds 1.38%0.58%74,100,000
20MQGAU.V4.442 06.21.33 144AMacquarie Group Ltd. 4.44%0.55%47,217,000
21T.1.75 08.15.41United States Treasury Bonds 1.75%0.55%67,500,000
22T.2.375 02.15.42United States Treasury Bonds 2.38%0.55%61,700,000
23T.2.875 05.15.43United States Treasury Bonds 2.88%0.55%58,777,000
24LNCR.2021-CRE6 BLOANCORE 2021-CRE6 ISSUER LTD 5.76%0.51%42,852,000
25WFC.V2.572 02.11.31 MTNWells Fargo & Co. 2.57%0.51%45,462,000
Showing 25 of 1098 holdings
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As of Dec 31, 2025