Compare fund portfolios
See how two funds' portfolios overlap. Enter two tickers:
MFBFX vs MFSB
Shared holdings
47
MFBFX covered by MFSB
9.60%
MFSB covered by MFBFX
9.60%
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.
MFBFX (April 30, 2026)
| Security | Weight | |
|---|---|---|
| MFS Institutional Money Market Portfolio, Class A | 1.77% | |
| UBS GROUP | 0.78% | |
| JPMORGAN CHASE | 0.76% | |
| BOEING CO | 0.75% | |
| CHARLES SCHWAB | 0.62% | |
| BERMUDA GOVERNMENT OF 5% 07/15/2032 144A | 0.59% | |
| MORGAN STANLEY | 0.58% | |
| SUMITOMO MITSUI | 0.58% | |
| UBS GROUP | 0.54% | |
| CAIXABANK SA REGD V/R 144A P/P 6.84000000 | 0.54% | |
| AMERICAN HOMES 4 | 0.51% | |
| AIB V6.608 09/13/29 144A | 0.51% | |
| SPIRE INC | 0.50% | |
| NXP BV/NXP FDG | 0.50% | |
| MARS INC | 0.46% | |
| BACARDI LTD / MARTINI BV SR UNSECURED 144A 06/33 5.4 | 0.46% | |
| Element Fleet Management Corp. | 0.46% | |
| Bank Hapoalim BM | 0.45% | |
| JPMORGAN CHASE | 0.45% | |
| NATL AUSTRALIABK | 0.45% | |
| Jane Street Group / JSG Finance Inc. | 0.45% | |
| CG 5.05 09/19/35 | 0.44% | |
| MXPRLL 7.75 07/15/30 144A | 0.44% | |
| Boston Gas Co | 0.44% | |
| SCIH SALT HOLDINGS INC SR SECURED 144A 05/28 4.875 | 0.43% | |
| PIONEER NATURAL | 0.43% | |
| Flutter Treasury DAC | 0.42% | |
| HIGHWOODS REALTY | 0.42% | |
| AMAZON.COM INC | 0.42% | |
| STORE CAPITAL LLC SR UNSECURED 12/31 2.7 | 0.42% | |
| ICON Investments Six DAC | 0.41% | |
| JPMORGAN CHASE | 0.41% | |
| NSTAU 6.125 04/11/33 144A | 0.41% | |
| SMBC AVIATION CAPITAL FI REGD 144A P/P 5.30000000 | 0.41% | |
| MUFG V5.188 09/12/36 | 0.41% | |
| PRMWCN 4.375 04/30/29 144a | 0.41% | |
| Citadel Securities Global Holdings LLC | 0.40% | |
| TARGA RESOURCES | 0.40% | |
| US TREASURY N/B | 0.40% | |
| TransDigm, Inc. | 0.40% | |
| CHENIERE ENERGYP | 0.40% | |
| EASTERN ENERGY | 0.39% | |
| US TREASURY N/B | 0.39% | |
| AMERICAN INTERNA | 0.39% | |
| DANSKE BANK A/S | 0.38% | |
| FERGUSON ENTERPR | 0.38% | |
| SUNOCO LP SR UNSECURED 144A 08/32 6.625 | 0.38% | |
| NORDEA BANK ABP | 0.38% | |
| JERSEY CENTRAL PWR + LT SR UNSECURED 144A 03/32 2.75 | 0.38% | |
| ARDN Mortgage Trust, Series 2025-ARCP, Class A | 0.38% |
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% |
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