Compare fund portfolios
See how two funds' portfolios overlap. Enter two tickers:
MFSB vs MCBKX
Shared holdings
51
MFSB covered by MCBKX
14.52%
MCBKX covered by MFSB
14.52%
Coverage = share of one portfolio's weight reproduced by the other (overlapping positions, min weight). Top 50 positions per side shown; = held by both — hover a shared position to highlight it in both columns.
MFSB (Feb. 28, 2026)
| Security | Weight | |
|---|---|---|
| US TREASURY N/B | 5.11% | |
| US TREASURY N/B | 4.44% | |
| State Street Navigator Securities Lending Portfolio II | 3.18% | |
| US TREASURY N/B | 2.34% | |
| US TREASURY N/B | 2.25% | |
| US TREASURY N/B | 2.25% | |
| US TREASURY N/B | 1.54% | |
| US TREASURY N/B | 1.38% | |
| US TREASURY N/B | 1.24% | |
| FN MA5552 | 0.94% | |
| US TREASURY N/B | 0.80% | |
| Uniform Mortgage-Backed Security, TBA | 0.73% | |
| US TREASURY N/B | 0.65% | |
| STOAU 5.75 11/13/35 144A | 0.65% | |
| BOSTON PROP LP | 0.64% | |
| NRZT, Series 2025-NQM6, Class A1 | 0.62% | |
| MF1 LLC, Series 2025-FL20, Class C | 0.60% | |
| BOEING CO/THE | 0.58% | |
| PMT Loan Trust, Series 2026-INV2, Class A35 | 0.57% | |
| HIGHWOODS REALTY | 0.57% | |
| ENERGY TRANS | 0.57% | |
| New Residential Mortgage Loan Trust, Series 2026-NQM3, Class A1 | 0.56% | |
| FR SD8199 | 0.55% | |
| Bain Capital Credit CLO 2021-4 Ltd | 0.55% | |
| VORNADO REALTY LP SR UNSECURED 02/33 5.75 | 0.55% | |
| FR SD8213 | 0.55% | |
| NTT FINANCE | 0.54% | |
| CBRE SERVICES IN | 0.54% | |
| Dryden 98 CLO Ltd | 0.53% | |
| C V6.875 PERP GG | 0.53% | |
| Unity-Peace Park CLO Ltd | 0.53% | |
| AVOLON HOLDINGS FUNDING LTD 4.95% 10/15/2032 144A | 0.51% | |
| Enel SPA 7.50 10/14/2032 | 0.50% | |
| JEFFERIES GROUP | 0.50% | |
| ROGERS COMMUNIC | 0.49% | |
| JAPAN TOBACCO INC SR UNSECURED 144A 06/35 5.85 | 0.48% | |
| FN MA4562 | 0.47% | |
| DICK'S SPORTING | 0.47% | |
| ELM Trust, Series 2024-ELM, Class C15 | 0.47% | |
| FR 5.25 01/15/31 | 0.47% | |
| FERGUSON ENTERPR | 0.47% | |
| CHARLES SCHWAB | 0.46% | |
| TARGA RESOURCES | 0.46% | |
| JPMORGAN CHASE | 0.45% | |
| ASHTEAD CAPITAL | 0.45% | |
| BROWN & BROWN | 0.44% | |
| AUTONATION INC | 0.43% | |
| WELLS FARGO CO | 0.43% | |
| PFP Ltd., Series 2026-13, Class AS | 0.43% | |
| Dryden 86 CLO Ltd., Series 2020-86A, Class CR2 | 0.42% |
MCBKX (April 30, 2026)
| Security | Weight | |
|---|---|---|
| MFS Institutional Money Market Portfolio, Class A | 4.62% | |
| US TREASURY N/B | 4.15% | |
| US TREASURY N/B | 2.64% | |
| US TREASURY N/B | 2.60% | |
| US TREASURY N/B | 1.70% | |
| US TREASURY N/B | 1.57% | |
| US TREASURY N/B | 1.52% | |
| US TREASURY N/B | 1.31% | |
| US TREASURY N/B | 1.27% | |
| NTT FINANCE | 1.16% | |
| FNCL 3.5 5/26 | 1.10% | |
| US TREASURY N/B | 1.07% | |
| US TREASURY N/B | 0.92% | |
| US TREASURY N/B | 0.88% | |
| US TREASURY N/B | 0.86% | |
| FN MA4563 | 0.80% | |
| BANK OF AMER CRP | 0.76% | |
| Bain Capital Credit CLO Ltd., Series 2022-1A, Class CR | 0.71% | |
| Dryden CLO Ltd., Series 2020-86A, Class BR2 | 0.71% | |
| Dryden CLO Ltd., Series 2019-68A, Class BRR | 0.71% | |
| MF1 MULTIFAMILY HOUSING MORTGA MF1 2021 FL7 AS 144A | 0.71% | |
| Palmer Square Loan Funding 2024-3 Ltd | 0.71% | |
| Dryden 113 CLO Ltd., Series 2022-113A, Class AR3 | 0.71% | |
| Shackleton 2019-XIV CLO Ltd., Series 2019-14A, Class CRR | 0.71% | |
| FR SD8213 | 0.68% | |
| Uniform Mortgage-Backed Security, TBA | 0.65% | |
| BOSTON PROP LP | 0.65% | |
| US TREASURY N/B | 0.62% | |
| Eni S.p.A. | 0.61% | |
| ANGLO AMERICAN CAPITAL REGD 144A P/P 5.62500000 | 0.59% | |
| UMBS | 0.59% | |
| MITSUB UFJ FIN | 0.58% | |
| ASHTEAD CAPITAL | 0.58% | |
| Bain Capital Credit CLO 2020-3 Ltd | 0.57% | |
| FNCL 2 5/26 | 0.57% | |
| US TREASURY N/B | 0.56% | |
| UMBS | 0.56% | |
| Uniform Mortgage-Backed Security, TBA | 0.53% | |
| DIAGEO CAP PLC | 0.53% | |
| ALCON FINANCE CO | 0.53% | |
| TRTX Issuer Ltd., Series 2025-FL7, Class A | 0.52% | |
| BDS 2026-FL17 A | 0.52% | |
| WASTE MANAGEMENT | 0.51% | |
| MSWF 2023-2 A5 | 0.51% | |
| UBS GROUP | 0.50% | |
| FN MA5552 | 0.50% | |
| FN MA4823 | 0.49% | |
| WFCM 2017-RB1 A5 | 0.49% | |
| ACRES Commercial Realty Issuer LLC, Series 2026-FL4, Class A | 0.49% | |
| STELLANTIS FIN US INC REGD 144A P/P 2.69100000 | 0.49% |
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