MCBKX ETF

$9.62

Fund Essentials - as of Oct 31, 2025

Net Assets
$57,429.11
Expense Ratio
0.39%
Dividend Yield (Current)
4.29%
Holdings
293
Inception Date
Jun 22, 2022
Fund Family
MFS Investment Management
Investment Style
••••••••••
Asset Class
••••••••••
Legal Structure
••••••••••
Dividend Frequency
Monthly

Performance

YTD+0.36%
1 Year+6.82%
3 Year+3.97%

Asset Allocation

Bonds: 93.39%
Cash: 6.08%
Other: 0.52%

Top Holdings

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TickerNameWeight
-Mfs Institutional Money Market Portfolio6.37%
T 4.25 06/30/29U.S. Treasury Notes 4.25 2029-06-304.37%
T 4.5 04/15/27United States Treasury Notes 4.500% 15-Apr-20273.51%
T 2.375 02/15/42Us Treas Bds 2.375% 02/15/423.13%
T 4.5 02/15/44United States Treasury Note/Bond 4.50% 02/15/20442.57%
Top 10 Concentration: 26.71%Report Date: Oct 31, 2025
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Dividend Summary

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Dividend Yield (Current)
4.29%
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 $57,429.11 in net assets. MCBKX expense ratio is 0.39%, holding 293 positions across sectors including Financials, Other, Consumer Staples. Inception date: 2022-06-22.

MCBKX performance shows a YTD return of 0.36%. The 1-year return is 6.82%. MCBKX dividend yield stands at 4.29%, paid monthly.

MCBKX top holdings include Mfs Institutional Money Market Portfolio (6.4%), U.S. Treasury Notes 4.25 2029-06-30 (4.4%), United States Treasury Notes 4.500% 15-Apr-2027 (3.5%), Us Treas Bds 2.375% 02/15/42 (3.1%), United States Treasury Note/Bond 4.50% 02/15/2044 (2.6%). 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
+0.25%
YTD
+0.36%
1 Year
+6.82%
3 Year
+3.97%

Top 10 Holdings (26.7% of portfolio)

#TickerNameSectorWeight
1-Mfs Institutional Money Market PortfolioOther6.37%
2T 4.25 06/30/29U.S. Treasury Notes 4.25 2029-06-30Financials4.37%
3T 4.5 04/15/27United States Treasury Notes 4.500% 15-Apr-2027Financials3.51%
4T 2.375 02/15/42Us Treas Bds 2.375% 02/15/42Financials3.13%
5T 4.5 02/15/44United States Treasury Note/Bond 4.50% 02/15/2044Financials2.57%
6T 2.25 02/15/52United States Treasury Note/Bond 2.25% 02/15/2052Financials1.68%
7T 4.25 02/15/54Treasury Bond 4.25 02/15/2054Financials1.44%
8-Umbs, Single Family, 15 Year 4% 02/25/2038Other1.38%
9NTT 5.502 07/16/35 1Ntt Finance Corp 144A 5.5% Jul 16, 2035Financials1.24%
10T 4 11/15/52Us Treasury N/B 4 11/15/2052Financials1.02%