1 period filed. Holdings below describe the selected month only.
NPORT-P · filed 2026-06-29
9 classes of this one portfolio · 0 exchange-listed
| Class ID | Symbol | Status | Security in the master | Type |
|---|---|---|---|---|
| C000006765 | MRBBX | NOT_LISTED | not exchange-listed | — |
| C000006766 | MRBCX | NOT_LISTED | not exchange-listed | — |
| C000006760 | MRBFX | NOT_LISTED | not exchange-listed | — |
| C000006769 | MRBGX | NOT_LISTED | not exchange-listed | — |
| C000006772 | MRBHX | NOT_LISTED | not exchange-listed | — |
| C000006767 | MRBIX | NOT_LISTED | not exchange-listed | — |
| C000006761 | MRBJX | NOT_LISTED | not exchange-listed | — |
| C000034443 | MRBKX | NOT_LISTED | not exchange-listed | — |
| C000006771 | MRRRX | NOT_LISTED | not exchange-listed | — |
as filed
N-PORT Item C.4.b
N-PORT Item C.4.a
1,077 positions in this filing
| Issuer↕ | In master | CUSIP / ISIN | Asset | Balance↕ | Value↕ | Weight▼ | Country |
|---|---|---|---|---|---|---|---|
| United States of America U.S. Treasury Notes | — | 91282CKA8 US91282CKA89 | DBT UST | 270,100,000 PA |
| 3.280% |
| US |
| United States of America U.S. Treasury Bonds | — | 912810TW8 US912810TW80 | DBT UST | 177,950,000 PA | $174.24M | 2.110% | US |
| United States of America U.S. Treasury Notes | — | 91282CKX8 US91282CKX82 | DBT UST | 167,000,000 PA | $168.59M | 2.041% | US |
| United States of America U.S. Treasury Bonds | — | 912810TX6 US912810TX63 | DBT UST | 183,300,000 PA | $162.12M | 1.963% | US |
| MFS Institutional Money Market Portfolio MFS Institutional Money Market Portfolio, Cla… | — | 55291X109 US55291X1090 | STIV RF | 126,441,653.45 NS | $126.45M | 1.531% | US |
| United States of America U.S. Treasury Notes | — | 91282CLW9 US91282CLW90 | DBT UST | 102,500,000 PA | $101.99M | 1.235% | US |
| United States of America U.S. Treasury Bonds | — | 912810TU2 US912810TU25 | DBT UST | 101,800,000 PA | $95.27M | 1.154% | US |
| United States of America U.S. Treasury Notes | — | 91282CJF9 US91282CJF95 | DBT UST | 90,926,000 PA | $93.00M | 1.126% | US |
| United States of America U.S. Treasury Bonds | — | 912810UE6 US912810UE63 | DBT UST | 100,050,000 PA | $92.29M | 1.118% | US |
| FHLMC Pool UMBS | — | 3132DWDC4 US3132DWDC47 | ABS-MBS USGSE | 110,943,982.31 PA | $89.19M | 1.080% | US |
| United States of America U.S. Treasury Bonds | — | 912810TZ1 US912810TZ12 | DBT UST | 90,700,000 PA | $85.95M | 1.041% | US |
| United States of America U.S. Treasury Notes | — | 91282CLF6 US91282CLF67 | DBT UST | 74,000,000 PA | $71.81M | 0.870% | US |
| United States of America U.S. Treasury Bonds | — | 912810SS8 US912810SS87 | DBT UST | 132,800,000 PA | $68.44M | 0.829% | US |
| United States of America U.S. Treasury Notes | — | 91282CHQ7 US91282CHQ78 | DBT UST | 64,200,000 PA | $64.52M | 0.781% | US |
| United States of America U.S. Treasury Notes | — | 91282CPS4 US91282CPS43 | DBT UST | 57,200,000 PA | $56.73M | 0.687% | US |
| United States of America U.S. Treasury Notes | — | 91282CNX5 US91282CNX55 | DBT UST | 57,000,000 PA | $56.14M | 0.680% | US |
| United States of America U.S. Treasury Notes | — | 91282CPJ4 US91282CPJ44 | DBT UST | 51,500,000 PA | $49.98M | 0.605% | US |
| United States of America U.S. Treasury Bonds | — | 912810ST6 US912810ST60 | DBT UST | 74,100,000 PA | $47.40M | 0.574% | US |
| Macquarie Group Ltd. | — | 55608JBE7 US55608JBE73 | DBT CORP | 47,217,000 PA | $45.82M | 0.555% | AU |
| Cheniere Energy Partners LP | — | 16411QAW1 US16411QAW15 | DBT CORP | 44,143,000 PA | $45.05M | 0.546% | US |
| United States of America U.S. Treasury Bonds | — | 912810TA6 US912810TA60 | DBT UST | 67,500,000 PA | $44.81M | 0.543% | US |
| United States of America U.S. Treasury Bonds | — | 912810RB6 US912810RB61 | DBT UST | 58,777,000 PA | $44.77M | 0.542% | US |
| United States of America U.S. Treasury Bonds | — | 912810TF5 US912810TF57 | DBT UST | 61,700,000 PA | $44.66M | 0.541% | US |
| United States of America U.S. Treasury Bonds | — | 912810UN6 US912810UN62 | DBT UST | 44,500,000 PA | $43.95M | 0.532% | US |
| LoanCore Issuer Ltd. LoanCore Issuer Ltd., Series 2021-CRE6, Class… | — | 53948HAE6 US53948HAE62 | ABS-CBDO CORP | 42,852,000 PA | $42.90M | 0.519% | KY |
| Wells Fargo & Co. | — | 95000U2J1 US95000U2J10 | DBT CORP | 45,462,000 PA | $42.18M | 0.511% | US |
| Bank of America Corp. | — | 06051GKD0 US06051GKD06 | DBT CORP | 45,881,000 PA | $40.87M | 0.495% | US |
| Arbor Realty Commercial Real Estate Notes Ltd. Arbor Realty Commercial Real Estate Notes Ltd… | — | 03880XAJ5 US03880XAJ54 | ABS-CBDO CORP | 40,620,500 PA | $40.62M | 0.492% | KY |
| LoanCore Issuer LLC LoanCore Issuer LLC, Series 2025-CRE8, Class … | — | 53947FAC5 US53947FAC59 | ABS-MBS CORP | 39,804,000 PA | $39.82M | 0.482% | US |
| United States of America U.S. Treasury Notes | — | 91282CKP5 US91282CKP58 | DBT UST | 38,000,000 PA | $38.75M | 0.469% | US |
| BXMT Ltd. BXMT Ltd., Series 2021-FL4, Class B | — | 05609GAE8 US05609GAE89 | ABS-CBDO CORP | 38,262,000 PA | $37.85M | 0.458% | KY |
| Capital One Financial Corp. | — | 254709AS7 US254709AS70 | DBT CORP | 34,164,000 PA | $37.25M | 0.451% | US |
| Bank of America Corp. | — | 06051GHZ5 US06051GHZ54 | DBT CORP | 39,891,000 PA | $36.94M | 0.447% | US |
| FNMA or FHLMC UMBS, 30 Year, Single Family | — | 01F022659 US01F0226591 | ABS-MBS USGSE | 41,275,000 PA | $34.56M | 0.418% | US |
| Iron Mountain, Inc. | — | 46284VAN1 US46284VAN10 | DBT CORP | 35,950,000 PA | $34.55M | 0.418% | US |
| New Residential Mortgage Loan Trust New Residential Mortgage Loan Trust, Series 2… | — | 64832FAC0 US64832FAC05 | ABS-MBS CORP | 34,384,045.58 PA | $34.49M | 0.418% | US |
| Sumitomo Mitsui Financial Group, Inc. | — | 86562MCB4 US86562MCB46 | DBT CORP | 38,002,000 PA | $34.34M | 0.416% | JP |
| Black Diamond CLO Ltd. Black Diamond CLO Ltd., Series 2021-1A, Class… | — | 09204WAH7 US09204WAH79 | ABS-CBDO CORP | 34,041,667 PA | $34.06M | 0.412% | KY |
| Penske Automotive Group, Inc. | — | 70959WAK9 US70959WAK99 | DBT CORP | 34,558,000 PA | $33.13M | 0.401% | US |
| TransDigm, Inc. | — | 893647BP1 US893647BP15 | DBT CORP | 33,133,000 PA | $32.69M | 0.396% | US |
| UBS Commercial Mortgage Trust UBS Commercial Mortgage Trust, Series 2017-C7… | — | 90276WAS6 US90276WAS61 | ABS-MBS CORP | 33,000,000 PA | $32.55M | 0.394% | US |
| Plains All American Pipeline LP | — | 72650RBM3 US72650RBM34 | DBT CORP | 33,187,000 PA | $32.13M | 0.389% | US |
| ENEL Finance International NV | — | 29278GAF5 US29278GAF54 | DBT CORP | 30,284,000 PA | $29.72M | 0.360% | NL |
| United States of America U.S. Treasury Bonds | — | 912810TV0 US912810TV08 | DBT UST | 30,800,000 PA | $29.58M | 0.358% | US |
| Quikrete Holdings, Inc. | — | 74843PAA8 US74843PAA84 | DBT CORP | 28,731,000 PA | $29.18M | 0.353% | US |
| Venture 43 CLO Ltd. Venture 43 CLO Ltd., Series 2021-43A, Class B… | — | 92290CBD0 US92290CBD02 | ABS-CBDO CORP | 28,707,969 PA | $28.66M | 0.347% | KY |
| ARDN Mortgage Trust ARDN Mortgage Trust, Series 2025-ARCP, Class B | — | 039961AC1 US039961AC19 | ABS-MBS CORP | 28,383,000 PA | $28.39M | 0.344% | US |
| Sammons Financial Group, Inc. | — | 79588TAF7 US79588TAF75 | DBT CORP | 26,615,000 PA | $28.18M | 0.341% | US |
| Mitsubishi UFJ Financial Group, Inc. | — | 606822BU7 US606822BU78 | DBT CORP | 31,223,000 PA | $28.17M | 0.341% | JP |
| JPMorgan Chase & Co. | — | 46647PAR7 US46647PAR73 | DBT CORP | 28,117,000 PA | $27.89M | 0.338% | US |
Positions resolved to the master through ISIN, then rolled up through the taxonomy. 0.0% of reported value reaches a classification.
Percentages are of the reported value of positions above ($8.29B), not of the fund’s net assets ($8.26B). The two differ by cash, derivatives filed with no market value, and rounding.