MCBKX ETF

$9.59
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Fund Essentials - as of Jan 31, 2026

Net Assets
$57,164
Expense Ratio
0.39%
Dividend Yield (Current)
4.70%
Holdings
297
Inception Date
Jun 22, 2022
Fund Family
MFS Investment Management
Investment Style
••••••••••
Asset Class
••••••••••
Legal Structure
••••••••••
Dividend Frequency
Monthly

Performance

YTD+0.55%
1 Year+5.19%
3 Year+4.29%

Asset Allocation

Bonds: 96.04%
Cash: 4.03%

Top Holdings

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TickerNameWeight
T 4.25 06/30/29United States Treasuryu.S. Treasury Notes4.35%
-Mfs Institutional Money Market Portfolio4.17%
T 4.5 04/15/27United States Treasury Notes 4.500% 15-Apr-20273.49%
T 4.5 02/15/44U.S. Treasury Bonds2.79%
T 2.375 02/15/42Us Treas Bds 2.375% 02/15/422.74%
Top 10 Concentration: 24.86%Report Date: Jan 31, 2026
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Dividend Summary

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Dividend Yield (Current)
4.70%
Frequency
Monthly

Peer Comparison

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MCBKX ETF Overview

MCBKX ETF (MFS Core Bond Fund Class R4) is managed by MFS Investment Management with $57,164 in net assets. MCBKX expense ratio is 0.39%, holding 297 positions across sectors including Financials, Other, Consumer Staples. Inception date: 2022-06-22.

MCBKX performance shows a YTD return of 0.55%. The 1-year return is 5.19%. MCBKX dividend yield stands at 4.70%, paid monthly.

MCBKX top holdings include United States Treasuryu.S. Treasury Notes (4.3%), Mfs Institutional Money Market Portfolio (4.2%), United States Treasury Notes 4.500% 15-Apr-2027 (3.5%), U.S. Treasury Bonds (2.8%), Us Treas Bds 2.375% 02/15/42 (2.7%). View all MCBKX holdings, sector breakdown, or dividend history.

MCBKX can be compared against other funds using the overlap calculator or side-by-side comparison tool. MCBKX alternatives are available via the screener, along with tax-loss harvesting opportunities.

1 Month
+0.26%
YTD
+0.55%
1 Year
+5.19%
3 Year
+4.29%

Top 10 Holdings (24.9% of portfolio)

#TickerNameSectorWeight
1T 4.25 06/30/29United States Treasuryu.S. Treasury NotesFinancials4.35%
2-Mfs Institutional Money Market PortfolioOther4.17%
3T 4.5 04/15/27United States Treasury Notes 4.500% 15-Apr-2027Financials3.49%
4T 4.5 02/15/44U.S. Treasury BondsFinancials2.79%
5T 2.375 02/15/42Us Treas Bds 2.375% 02/15/42Financials2.74%
6-Us Treasury N/B 09/27 3.5Other1.77%
7T 2.25 02/15/52United States Treasury Note/Bond 2.25% 02/15/2052Financials1.61%
8T 4.25 02/15/54Treasury Bond 4.25 02/15/2054Financials1.38%
9T 3.875 07/31/30Treasury Note (Otr) 3.88% Jul 31, 2030Financials1.34%
10NTT 5.502 07/16/35 1Ntt Finan 5.502% 07/16/35 5.502 2035-07-16Financials1.22%