MCBMX
ActiveMFS Core Bond Fund
Category: US Bond (5,386 funds)
Expense Ratio
1.39%
Annual Cost per $10K
$139.00
30-Year Fee Drag per $10K
$24,700
at 7% annual return
Fund Type
Mutual Fund
Active
Trailing 12-Month
+6.24%
Asset Allocation
US Bond
77%Intl Bond
17%Cash
6%Fee Comparison
MCBMX
1.39%US Bond average
0.76%US Bond cheapest
0.00%Index benchmark
0.03%83% more expensive than category average
Historical Returns
Monthly total returns (dividends reinvested) from SEC N-PORT filings · As of October 2025 · Updated quarterly
+19.39%3Y
Compare to
Fee Impact Calculator
$
%
MCBMX at 1.39%$257,111
At index rates (0.03%)$377,424
Zero fees (theoretical)$380,613
Total fee drag$123,501
Cost vs index fund−$120,313
Similar Funds (100)
Ranked by allocation similarity weighted by fund size · Returns (dividends reinvested) from SEC N-PORT filings · As of October 2025
| Ticker | Name | ER |
|---|---|---|
| MCBMX | MFS Core Bond Fund | 1.39% |
| PIINX | PIMCO Income Fund | 1.08% |
| PTRAX | PIMCO Total Return Fund | 0.76% |
| ABNDX | Bond Fund of America | 1.04% |
| IIBAX | VOYA INTERMEDIATE BOND FUND | 1.43% |
| BCOSX | Baird Core Plus Bond Fund | 0.55% |
| JDYRX | PGIM High Yield Fund | 0.74% |
| FBKWX | Fidelity Total Bond Fund | 0.75% |
| CMBKX | American Funds Multi-Sector Income Fund | 0.70% |
| BAGSX | Baird Aggregate Bond Fund | 0.55% |
| HYSAX | PGIM Short Duration High Yield Income Fund | 1.00% |
| JCBPX | JPMorgan Core Bond Fund | 1.33% |
| PHYAX | PIMCO High Yield Fund | 0.85% |
| STYAX | Allspring Core Plus Bond Fund | 0.67% |
| PGCAX | PIMCO Investment Grade Credit Bond Fund | 1.34% |
| FIHAX | Federated Hermes Institutional High Yield Bond Fund | 0.75% |
| JCPPX | JPMorgan Core Plus Bond Fund | 1.14% |
| DOXIX | Dodge & Cox Income Fund | 0.33% |
| WAPSX | Western Asset Core Plus Bond Fund | 0.42% |
| GIBRX | Guggenheim Total Return Bond Fund | 0.49% |
| BSBSX | Baird Short-Term Bond Fund | 0.55% |
| PTCIX | PIMCO Long-Term Credit Bond Fund$1M min | 1.51% |
| VWEAX | VANGUARD HIGH-YIELD CORPORATE FUND | 0.22% |
| LDLVX | Lord Abbett Short Duration Income Fund | 0.32% |
| VFSTX | VANGUARD SHORT-TERM INVESTMENT-GRADE FUND | 0.07% |
| ACPSX | Invesco Core Plus Bond Fund | 0.79% |
| CCBFX | Capital Group Central Corporate Bond Fund | — |
| MRBBX | MFS Total Return Bond Fund | 0.60% |
| VFICX | VANGUARD INTERMEDIATE-TERM INVESTMENT-GRADE FUND | 0.20% |
| APDFX | Artisan High Income Fund | 0.80% |
| DTBRX | PGIM Total Return Bond Fund | 0.75% |
| TSRSX | Thornburg Strategic Income Fund | 0.53% |
| HIGFX | American High Income Trust | 0.32% |
| LQD | iShares iBoxx $ Investment Grade Corporate Bond ETF | 0.14% |
| LGBNX | Loomis Sayles Investment Grade Bond Fund | 0.44% |
| EIBRX | Eaton Vance Income Fund of Boston | 0.66% |
| VPVTRDV | PIMCO Total Return Portfolio | 0.79% |
| OAFIX | Optimum Fixed Income Fund | 1.79% |
| SSTHX | Allspring Short-Term High Income Fund | 0.82% |
| PLSTX | Aristotle Strategic Income Fund | 0.94% |
| LFROX | Lord Abbett Floating Rate Fund | 0.54% |
| BIMSX | Baird Intermediate Bond Fund | 0.55% |
| GGMPX | Goldman Sachs High Yield Fund | 0.98% |
| DCPAX | BNY Mellon Core Plus Fund | 1.45% |
| BUBSX | Baird Ultra Short Bond Fund | 0.40% |
| PIPAX | PIMCO StocksPLUS International Fund (U.S. Dollar-Hedged) | 1.57% |
| FSMTX | Fidelity SAI Total Bond Fund | 0.29% |
| NERNX | Loomis Sayles Core Plus Bond Fund | 0.39% |
| PCRRX | PIMCO CommodityRealReturn Strategy Fund | 1.25% |
| CHIAX | Credit Suisse Floating Rate High Income Fund | 0.95% |
| MHYSX | NYLI MacKay High Yield Corporate Bond Fund | 0.56% |
| JSDUX | JPMorgan Short Duration Bond Fund | 0.28% |
| TSBBX | Nuveen Core Impact Bond Fund | 0.51% |
| FCBAX | Fidelity Corporate Bond Fund | 0.77% |
| FGKNX | Franklin Core Plus Bond Fund | 0.72% |
| TRKZX | T. Rowe Price High Yield Fund, Inc. | 0.60% |
| ANBAX | American Funds Strategic Bond Fund | 0.31% |
| VCOBX | VANGUARD CORE BOND FUND | 0.10% |
| NRSIX | Neuberger Berman Strategic Income Fund | 0.51% |
| BGHAX | BrandywineGLOBAL - HIGH YIELD FUND | 0.89% |
| PBFKX | Victory Pioneer Bond Fund | 0.36% |
| PSJIX | Short-Term Income Fund | 0.63% |
| URHIX | Victory High Income Fund | 0.79% |
| FBND | Fidelity Total Bond ETF | 0.36% |
| VUBFX | VANGUARD ULTRA-SHORT-TERM BOND FUND | 0.20% |
| FZOLX | Fidelity SAI Low Duration Bond Fund | 0.20% |
| FHRRX | Franklin High Income Fund | 0.50% |
| PCKTX | PIMCO StocksPLUS Small Fund | 1.00% |
| WACSX | Western Asset Core Bond Fund | 0.42% |
| TAIBX | PGIM Core Bond Fund | 0.96% |
| NHFIX | High Yield Fixed Income Fund | 0.61% |
| TRZOX | T. Rowe Price Short-Term Bond Fund, Inc. | 0.31% |
| PRXEX | T. Rowe Price New Income Fund, Inc. | 0.36% |
| CCHIX | High Yield Fund | 0.51% |
| LSBNX | Loomis Sayles Bond Fund | 0.60% |
| PIINCAM | PIMCO Income Portfolio | 1.06% |
| JNK | SPDR(R) Bloomberg High Yield Bond ETF | 0.40% |
| JMTNX | Janus Henderson Multi-Sector Income Fund | 0.88% |
| CBORX | Calvert Bond Fund | 0.46% |
| AFRFX | Invesco Floating Rate ESG Fund | 0.72% |
| GIKRX | Guggenheim Limited Duration Fund | 0.46% |
| FFRAX | Fidelity Advisor Floating Rate High Income Fund | 0.73% |
| TIHPX | Nuveen High Yield Fund | 0.50% |
| IIBPX | VOYA INTERMEDIATE BOND PORTFOLIO | 0.79% |
| MINT | PIMCO Enhanced Short Maturity Active Exchange-Traded Fund | 0.36% |
| SKCRX | DWS Enhanced Commodity Strategy Fund | 0.95% |
| TBPPX | Nuveen Core Plus Bond Fund | 0.45% |
| FGQMX | Fidelity High Income Fund | 1.85% |
| STABX | Victory Pioneer Short Term Income Fund | 0.73% |
| PFIAX | PIMCO Low Duration Income Fund | 1.21% |
| BBBMX | BBH Limited Duration Fund | 0.35% |
| BFCAX | American Funds Corporate Bond Fund | 1.48% |
| TAAQX | Transamerica Short-Term Bond | 0.42% |
| FBNDX | Fidelity Investment Grade Bond Fund | 0.75% |
| USIG | iShares Broad USD Investment Grade Corporate Bond ETF | 0.04% |
| TAHBX | Transamerica High Yield Bond | 0.61% |
| FCNQX | Fidelity Conservative Income Bond Fund | 0.45% |
| DGCAX | Nomura Corporate Bond Fund | 0.79% |
| GAKPX | Goldman Sachs Core Fixed Income Fund | 1.46% |
| FTSM | First Trust Enhanced Short Maturity ETF | 0.25% |
| APECX | Columbia High Yield Bond Fund | 0.98% |
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