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MFSB

Grades compare a fund with genuinely similar funds. This fund's comparison group currently has too few members for a fair comparison, so no letter is published.New York Stock Exchange

MFS Active Exchange Traded Funds Trust - MFS Active Core Plus Bond ETF

MFS · Inception 2024-12-05 · SEC filings

$24.14−0.22 (−0.90%)

As of Sep 23, 2026, 3:05 PM EDT

History starts Dec 5, 2024.
Intraday session: down, 41 prints from 24.36 to 24.14. Range 24.12 to 24.30. Use the arrow keys to read each point.$24.10$24.20$24.25$24.3010 AM12 PM2 PM4 PM
Expense ratio
0.34%
Fund size
$576M
1Y return
+0.8%
Yield · Last 12 months
4.68%
Volume · 30D
0.1M sh
NAV per share
$24.31
52W range
low $24.23high $25.57

MFSB Holdings

As of Sep 21, 2026, 3:50 AM
Asset class
Stocks
Holdings
—
Top-10 weight
26%
Largest holding
US TREASURY N/B8.9%

Geography

  • United States82.62%
  • Canada2.28%
  • Japan2.18%
  • United Kingdom2.13%
  • Australia1.88%
  • Ireland1.34%
  • Switzerland0.91%
  • Luxembourg0.81%
  • Other countries (23)5.86%
The fund’s holdings, weight-ordered — page 1 of 32.
#TickerCompanyWeight %SharesMarket valueIn ETFs
001—US TREASURY N/B8.92%57,195,000$52M13
002—US TREASURY N/B4.81%29,080,000$28M13
003—US TREASURY N/B3.63%23,700,000$21M20
004—US TREASURY N/B2.47%14,695,000$14M17
005—Cash & Cash Equivalents2.32%0$14M67
006—FNMA TBA 30 YR 30.89%6,225,000$5M18
007—US TREASURY N/B0.85%5,450,000$5M11
008—US TREASURY N/B0.82%5,100,000$5M13
009—US TREASURY N/B0.81%5,409,000$5M14
010—US TREASURY N/B0.77%4,750,000$5M31
011—BANK OF AMERICA CORP0.69%4,120,000$4M10
012—BOSTON PROPERTIES LP0.67%4,030,000$4M10
013—HIGHWOODSREALTY LP0.57%3,447,000$3M6
014—MORGAN STANLEY0.56%3,322,000$3M12
015—JEFFERIESFIN GROUP INC0.53%3,344,000$3M8

Showing 1–15 of 476 holdings

MFSB Performance

Shows how $10,000 changes over the selected period, with cash distributions reinvested at the closing price on each ex-dividend date.

MFSB$10,075
SPY tracks large US stocks. It provides market context, rather than representing this fund’s strategy, asset class or investment benchmark.$11,723
Sep 22, 2025 to Sep 22, 2026. MFSB $10,075. SPY $11,723. Use the arrow keys to read each point.$9,353$10,646$11,940Sep 2025Mar 2026Sep 2026

Sep 22, 2025 – Sep 22, 2026

Returns run to the Sep 22, 2026 close, with cash distributions reinvested. Each period starts on the same date that many months or years earlier. Periods over one year show the average yearly return.

Trailing total return for MFSB. Periods over one year show the average yearly return.
PeriodMFSB
Year to date−0.4%
1 month−0.7%
3 months−1.2%
1 year+0.8%
3 yearsFund is under 3 years old—per year
5 yearsFund is under 5 years old—per year
10 yearsFund is under 10 years old—per year

As of the close, with distributions reinvested.

Calendar-year total return with cash distributions hypothetically reinvested at the ex-dividend date’s closing price. The current year shows year to date.

Annual total returns for MFSB
YearReturn barMFSB
2026 YTD−0.4%
2025+7.4%
2024−1.5%

Since listing, Dec 5, 2024

MFSB in the news

ETF.net Research hasn’t filed on MFSB yet — coverage lands here as it’s written.

MFSB Dividends

Adds up every distribution paid per share over the last 12 months, divided by the last completed close. Distributions are counted by ex-date. Data through Sep 22, 2026.
4.68%Last 12 months
Payout per share
$1.14Last 12 months
Last payment
$0.10 per share
Paid on
Shares bought on or after this date do not qualify for this distribution.
Frequency
Monthly

Distribution history

2024–2026

One bar per payment. 21 payments from 2024 to 2026 YTD. Dec 30, 2024 $0.09; Jan 31, 2025 $0.09; Feb 28, 2025 $0.09; Mar 31, 2025 $0.10; Apr 30, 2025 $0.10; May 30, 2025 $0.10; Jun 30, 2025 $0.09; Jul 31, 2025 $0.11; Aug 29, 2025 $0.10; Sep 30, 2025 $0.09; Oct 31, 2025 $0.10; Nov 28, 2025 $0.09; Dec 30, 2025 $0.10; Jan 30, 2026 $0.10; Feb 27, 2026 $0.09; Mar 31, 2026 $0.09; Apr 30, 2026 $0.09; May 29, 2026 $0.10; Jun 30, 2026 $0.10; Jul 31, 2026 $0.10; Aug 31, 2026 $0.10. Use the arrow keys to read each point.202420252026YTD
Ex-datePay dateAmount per share
Aug 31, 2026Sep 1, 2026$0.10
Jul 31, 2026Aug 3, 2026$0.10
Jun 30, 2026Jul 1, 2026$0.10
May 29, 2026Jun 1, 2026$0.10
Apr 30, 2026May 1, 2026$0.09
Mar 31, 2026Apr 1, 2026$0.09
Feb 27, 2026Mar 2, 2026$0.09
Jan 30, 2026Feb 2, 2026$0.10
Dec 30, 2025Dec 31, 2025$0.10
Nov 28, 2025Dec 1, 2025$0.09
Oct 31, 2025Nov 3, 2025$0.10
Sep 30, 2025Oct 1, 2025$0.09

MFSB Risk

How much the fund’s monthly returns vary, scaled to a year.
3.2%
Annualised · 20 months to Aug 2026
How it’s calculated: standard deviation

The sample standard deviation of monthly total returns, multiplied by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Total returns include reinvested distributions.

Return above 3-month US Treasury bills per unit of volatility.
0.18
vs 3-month T-bills · 20 months to Aug 2026
How it’s calculated: Sharpe ratio

Subtract each month’s Treasury-bill return from the fund’s monthly total return.

Divide the average of those excess returns by their sample standard deviation, then multiply by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Each month uses the Treasury yield quoted at the end of the previous month.

The largest fall from a peak to the low that followed.
−3.2%
21 months · trough Jan 2025
How it’s calculated: maximum drawdown

The largest percentage decline from an earlier peak, using total returns with reinvested distributions.

Uses up to five years through the last close, with at least 12 months required.

How strongly the fund’s returns move with its asset-class index.
0.08
vs its asset-class index
How it’s calculated: beta

The beta figure is supplied by FMP. The comparison index depends on the fund’s broad asset class.

MFSB Cost

Expense Ratio
0.34%