MFS Active Core Plus Bond ETF MFSB
Source: Yahoo Finance (opens in a new tab) Observed · 1 day ago Quotes may be delayed
- Expense ratio
- 0.34%
- Net assets
- $423.8M
- Holdings
- 411
- 12-month distribution yield
- 4.77%
- Asset class
- Fixed income
MFS Active Core Plus Bond ETF (MFSB) is an exchange-traded fund listed on the New York Stock Exchange in the United States, issued by MFS. Its category is Fixed income · Global (fixed income). Its last price was US$24.03 on 20 Oct 2026. Its expense ratio is 0.34% a year, from its prospectus dated 26 Jun 2026. It reported net assets of US$423.77 million as of 31 May 2026. Its latest holdings report lists 411 holdings as of 31 May 2026. Over the last 12 months it paid distributions of US$1.15 a unit, a 12-month distribution yield of 4.77%, paid monthly.
Fees
- Total annual operating expenses (gross)
- 0.34%
- Net, after fee waivers or reimbursements
- No waiver stated
- Management fee
- 0.34%
- Prospectus date
- 26 Jun 2026
- Filed with the SEC
- 25 Jun 2026
Size and reporting
- Net assets
- $423,766,420
- Total assets
- $435,381,694
- Holdings as of
- 31 May 2026
- Report made public
- 27 Jul 2026 (57 days after the month end)
Top holdings
Largest 25 of 411 positions, as of 31 May 2026. Weight is the percent of net assets the fund reported.
| # | Holding | Identifier | Weight | Value (USD) | Type | Country | Currency |
|---|---|---|---|---|---|---|---|
| 1 | United States Treasury U.S. Treasury Bonds | US912810UQ93 | 7.75% | $32.8M | Debt | United States | USD |
| 2 | United States Treasury U.S. Treasury Bonds | US912810UP11 | 3.84% | $16.3M | Debt | United States | USD |
| 3 | United States Treasury U.S. Treasury Notes | US91282CNN73 | 3.49% | $14.8M | Debt | United States | USD |
| 4 | United States Treasury U.S. Treasury Notes | US91282CLR06 | 3.22% | $13.7M | Debt | United States | USD |
| 5 | State Street Global Advisors State Street Institutional U.S. Government Money Market Fund | US8574927062 | 2.82% | $12.0M | Short-term investment vehicles (cash funds) | United States | USD |
| 6 | United States Treasury U.S. Treasury Bonds | US912810UF39 | 1.23% | $5.2M | Debt | United States | USD |
| 7 | United States Treasury U.S. Treasury Bonds | US912810UN62 | 1.19% | $5.0M | Debt | United States | USD |
| 8 | United States Treasury U.S. Treasury Bonds | US912810UE63 | 1.18% | $5.0M | Debt | United States | USD |
| 9 | UMBS, TBA Uniform Mortgage-Backed Security, TBA | US01F0606677 | 0.78% | $3.3M | Mortgage-backed securities | United States | USD |
| 10 | United States Treasury U.S. Treasury Bonds | US912810TX63 | 0.72% | $3.1M | Debt | United States | USD |
| 11 | New Residential Mortgage Loan Trust New Residential Mortgage Loan Trust 2025-NQM3 | US64832CAC73 | 0.65% | $2.8M | Mortgage-backed securities | United States | USD |
| 12 | UMBS, TBA Uniform Mortgage-Backed Security, TBA | US01F0526644 | 0.63% | $2.7M | Mortgage-backed securities | United States | USD |
| 13 | BOSTON PROPERTIES LP | US10112RBJ23 | 0.61% | $2.6M | Debt | United States | USD |
| 14 | HIGHWOODS REALTY LP | US431282AV41 | 0.59% | $2.5M | Debt | United States | USD |
| 15 | Starwood Commercial Mortgage Trust STWD 2025-FL4 LLC | US863922AC44 | 0.59% | $2.5M | Collateralised bond or debt obligations | United States | USD |
| 16 | Elmwood CLO VIII Ltd | US29003EBE41 | 0.59% | $2.5M | Collateralised bond or debt obligations | Cayman Islands | USD |
| 17 | Bain Capital Credit CLO, Limited Bain Capital Credit CLO 2019-1 | US05683VBN38 | 0.59% | $2.5M | Collateralised bond or debt obligations | Cayman Islands | USD |
| 18 | LoanCore 2018-CRE1 Issuer, Ltd. LoanCore 2025-CRE9 Issuer LLC | US538912AC02 | 0.59% | $2.5M | Collateralised bond or debt obligations | United States | USD |
| 19 | MF1 MF1 2026-FL21 LLC | US55287NAL10 | 0.58% | $2.4M | Collateralised bond or debt obligations | United States | USD |
| 20 | BX Trust BX Commercial Mortgage Trust 2026-CSMO | US12433LAA35 | 0.56% | $2.4M | Mortgage-backed securities | United States | USD |
| 21 | MORGAN STANLEY | US61747YGA73 | 0.56% | $2.4M | Debt | United States | USD |
| 22 | BOEING CO/THE | US097023DS12 | 0.55% | $2.3M | Debt | United States | USD |
| 23 | TRITON CONTAINER/TAL INT Triton Container International Ltd / TAL International Container Corp | US89681LAC63 | 0.55% | $2.3M | Debt | Bermuda | USD |
| 24 | JEFFERIES FIN GROUP INC Jefferies Financial Group Inc | US47233WLL18 | 0.55% | $2.3M | Debt | United States | USD |
| 25 | Onslow Bay Financial LLC OBX 2025-NQM11 Trust | US67449BAA17 | 0.55% | $2.3M | Mortgage-backed securities | United States | USD |
Breakdowns
Sums of reported weights over every position in the report. Totals can differ from 100% because of derivatives, borrowing and cash.
Warning: Uses derivatives
Asset type
| Type | Weight | Bar |
|---|---|---|
| Debt | 65.82% | |
| Collateralised bond or debt obligations | 15.77% | |
| Mortgage-backed securities | 15.29% | |
| Short-term investment vehicles (cash funds) | 2.82% | |
| Other asset-backed securities | 2.21% | |
| Interest rate derivatives | 0.02% | |
| Other | 0.00% |
Country
| Country | Weight | Bar |
|---|---|---|
| United States | 79.36% | |
| Cayman Islands | 8.77% | |
| Canada | 1.64% | |
| Japan | 1.64% | |
| Australia | 1.52% | |
| United Kingdom | 1.25% | |
| Jersey | 1.21% | |
| Netherlands | 1.06% | |
| Bermuda | 0.58% | |
| Switzerland | 0.57% | |
| South Africa | 0.50% | |
| Mexico | 0.43% | |
| Other (17) | 3.39% | |
| Not stated | 0.00% |
Currency exposure
| Currency | Weight | Bar |
|---|---|---|
| US dollar (USD) | 101.94% | |
| Euro (EUR) | 0.00% |
Sector
No sector data
Source: SEC Form N-PORT (opens in a new tab) Holdings as of
Distributions
- Paid in the last 12 months
- $1.1460
- 12-month yield
- 4.77%
- Frequency
- Monthly
- Latest ex-date
- 30 Sep 2026
12-month yield = distributions per unit with an ex-date in the last 12 months ($1.1460) ÷ latest price ($24.03) × 100 = 4.77%. It looks back, so it is not a forecast; special distributions in the window are included.
Why a distribution yield is not the fund's return: yield vs total return
Distribution history table (21 payments)
| Ex-date | Amount per unit |
|---|---|
| 30 Sep 2026 | $0.1010 |
| 31 Aug 2026 | $0.1000 |
| 31 Jul 2026 | $0.0960 |
| 30 Jun 2026 | $0.0960 |
| 29 May 2026 | $0.1000 |
| 30 Apr 2026 | $0.0930 |
| 31 Mar 2026 | $0.0900 |
| 27 Feb 2026 | $0.0930 |
| 30 Jan 2026 | $0.0960 |
| 30 Dec 2025 | $0.0960 |
| 28 Nov 2025 | $0.0860 |
| 31 Oct 2025 | $0.0990 |
| 30 Sep 2025 | $0.0940 |
| 29 Aug 2025 | $0.1000 |
| 31 Jul 2025 | $0.0110 |
| 30 Jun 2025 | $0.0880 |
| 30 May 2025 | $0.1010 |
| 30 Apr 2025 | $0.1030 |
| 31 Mar 2025 | $0.0960 |
| 28 Feb 2025 | $0.0940 |
| 31 Jan 2025 | $0.0920 |
Filings and sources
- Form N-PORT report for May 2026 (opens in a new tab)
- Prospectus filing with the fee table (opens in a new tab)
- All SEC filings for this fund series (S000085666) (opens in a new tab)
- Nasdaq Trader symbol directory (opens in a new tab)
- Yahoo Finance quote and distributions (opens in a new tab)
- How the ETF figures are collected
Compare with
Largest funds in the same category:
- MFSB and VCSH Vanguard Short-Term Corporate Bond ETF
- MFSB and JPST JPMorgan Ultra-Short Income ETF
- MFSB and USHY iShares Broad USD High Yield Corporate Bond ETF
- MFSB and IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF