Skip to content

MBSD

GradeBNew York Stock Exchange Arca

Northern Trust Disciplined Duration MBS ETF

Specialty Bonds · FlexShares · Inception 2014-09-03 · SEC filings

$19.97−0.16 (−0.79%)

As of Sep 23, 2026, 2:50 PM EDT

Intraday session: down, 12 prints from 20.13 to 19.97. Range 19.95 to 20.13. Use the arrow keys to read each point.$20.00$20.05$20.1010 AM12 PM2 PM4 PM
Expense ratio
0.21%
Fund size
$88M
1Y return
−0.2%
Yield · Last 12 months
4.20%
Holdings
485
Volume · 30D
0M sh
NAV per share
$20.15
52W range
low $20.07high $21.06

The ETF.net MBSD Grade

B

56/ 100

Rank 6 of 25 in Mortgage-Backed Securities

Confidence High

Six-pillar profile for MBSD. Scores out of 100: Cost 77, Risk 42, Mission 47, Tradability 45, Holdings 61, Durability 57. Strongest: Cost (77). Weakest: Risk (42). Leans toward Cost.
F< 25
D≥ 25
C≥ 40
B≥ 55
A≥ 70

Score 56 of 100 sits in the B band. Bands: A ≥ 70, B ≥ 55, C ≥ 40, D ≥ 25, F < 25; the scale skips E.

  • Cost

    What you pay to own it — the expense ratio plus trading frictions, ranked within its category.
    AScore 77
    Category rank7/25 · top 28%
  • Mission

    How faithfully it does the job it claims — tracking its mandate or index with minimal slippage.
    CScore 47
    Category rank10/20 · top 50%
  • Risk

    How violently it can move — volatility, drawdown depth, and downside capture versus its category.
    CScore 42
    Category rank13/25 · mid-pack
  • Tradability

    How cheaply and easily you can get in and out — liquidity, spread, and premium/discount stability.
    CScore 45
    Category rank13/25 · mid-pack
  • Holdings

    What it actually owns — the quality, breadth, and concentration of the underlying portfolio.
    BScore 61
    Category rank10/25 · top 40%
  • Durability

    Whether it will still be here — the fund’s assets, age, flows, and issuer staying power.
    BScore 57
    Category rank13/25 · mid-pack

Graded as of Sep 22, 2026

Our read on MBSD

ETF.net Research

BAgency mortgage bonds let their duration wander as homeowners refinance or sit tight. MBSD tracks an index built to keep that drift on a leash, offering mortgage-bond exposure with rate sensitivity set by rules instead of by the market's mood.

Stated mandate

The fund is designed to provide market-like exposure to mortgage-backed securities while limiting duration drift through a rules-based index methodology.

Why people hold it

  1. 01The whole point is duration discipline: a rules-based index designed to give market-like mortgage-bond exposure while limiting duration drift, so rate sensitivity is governed by methodology.flexshares.com
  2. 02Charges 0.21% a year, less than the typical fee in the MBS ETF group, and it has been running since 2014 rather than arriving as a recent idea.
  3. 03Spreads across roughly 500 mortgage bonds and pays monthly, so income lands on a mortgage-payment rhythm instead of twice a year.

Worth knowing

  1. 01Thinly traded. Spreads and limit orders matter more here than with the category's household names.
  2. 02Duration control carries a price tag: VMBS, MBB and SPMB track the broad agency mortgage market for single-digit basis points.
  3. 03Constraining duration means it is not built to move like the full mortgage-backed market. That is the design, but it is a different exposure, not a copy.flexshares.com

MBSD Holdings

As of Sep 20, 2026, 7:05 AM
Asset class
Bonds
Holdings
485
Top-10 weight
19%
Largest holding
TBA UMBS SINGLE FAMILY 30YR 7.0 10/233.1%

Geography

  • United States100.00%
The fund’s holdings, weight-ordered — page 1 of 33.
#TickerCompanyWeight %SharesMarket valueIn ETFs
001TBA UMBS SINGLE FAMILY 30YR 7.0 10/233.09%2,600,000$3M4
002TBA UMBS SINGLE FAMILY 30YR 6.5 10/232.56%2,200,000$2M39
003CASH2.52%2,206,484$2M414
004TBA UMBS SINGLE FAMILY 30YR 4.0 10/242.15%2,100,000$2M35
005UMBS MORTPASS 2.5% 01/DEC/2033 CI PN# SB19701.92%1,769,470$2M1
006GNMA II MORTPASS 7.5% 20/SEP/2054 SF PN# MA99101.85%1,564,782$2M1
007UMBS MORTPASS 6.5% 01/JUN/2055 CL PN# SL27691.44%1,218,496$1M1
008UMBS MORTPASS 4% 01/AUG/2040 CT PN# FS77921.32%1,223,076$1M1
009UMBS MORTPASS 2.5% 01/FEB/2035 CI PN# FA56991.31%1,209,780$1M1
010UMBS MORTPASS 2% 01/SEP/2036 CI PN# MA44181.27%1,241,639$1M1
011GNMA I MORTPASS 3.5% 15/JUN/2046 SP PN# 7852741.26%1,217,255$1M1
012UMBS MORTPASS 6.5% 01/APR/2056 CL PN# FA52281.23%1,050,042$1M1
013UMBS MORTPASS 5.5% 01/FEB/2049 CL PN# FS20951.19%1,036,650$1M1
014UMBS MORTPASS 6% 01/SEP/2039 CI PN# FA07421.17%1,011,101$1M1
015GNMA II MORTPASS 3% 20/MAR/2052 SF PN# MA79371.16%1,192,423$1M21

Showing 1–15 of 483 holdings

MBSD Performance

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

MBSD$9,980
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. MBSD $9,980. 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 MBSD. Periods over one year show the average yearly return.
PeriodMBSD
Year to date−0.8%
1 month−1.0%
3 months−1.3%
1 year−0.2%
3 years+4.3%per year
5 years+0.4%per year
10 years+1.2%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 MBSD
YearReturn barMBSD
2026 YTD−0.8%
2025+7.1%
2024+2.3%
2023+4.5%
2022−9.5%
2021−1.4%
2020+5.4%

MBSD in the news

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

MBSD 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.
4.20%Last 12 months
Payout per share
$0.84Last 12 months
Last payment
$0.06 per share
Paid on
Shares bought on or after this date do not qualify for this distribution.
Frequency
Monthly

Distribution history

2023–2026

One bar per payment. 44 payments from 2023 to 2026 YTD. Feb 1, 2023 $0.05; Mar 1, 2023 $0.05; Apr 3, 2023 $0.06; May 1, 2023 $0.06; Jun 1, 2023 $0.06; Jul 3, 2023 $0.05; Aug 1, 2023 $0.06; Sep 1, 2023 $0.06; Oct 2, 2023 $0.06; Nov 1, 2023 $0.05; Dec 1, 2023 $0.09; Dec 15, 2023 $0.06; Feb 1, 2024 $0.06; Mar 1, 2024 $0.06; Apr 1, 2024 $0.06; May 1, 2024 $0.06; Jun 3, 2024 $0.06; Jul 1, 2024 $0.06; Aug 1, 2024 $0.06; Sep 3, 2024 $0.06; Oct 1, 2024 $0.06; Nov 1, 2024 $0.06; Dec 2, 2024 $0.13; Dec 20, 2024 $0.06; Feb 3, 2025 $0.06; Mar 3, 2025 $0.06; Apr 1, 2025 $0.06; May 1, 2025 $0.07; Jun 2, 2025 $0.06; Jul 1, 2025 $0.06; Aug 1, 2025 $0.07; Sep 2, 2025 $0.07; Oct 1, 2025 $0.07; Nov 3, 2025 $0.07; Dec 1, 2025 $0.17; Dec 19, 2025 $0.07; Feb 2, 2026 $0.06; Mar 2, 2026 $0.06; Apr 1, 2026 $0.06; May 1, 2026 $0.06; Jun 1, 2026 $0.06; Jul 1, 2026 $0.06; Aug 3, 2026 $0.06; Sep 1, 2026 $0.06. Use the arrow keys to read each point.2023202420252026YTD
Ex-datePay dateAmount per share
Sep 1, 2026Sep 8, 2026$0.06
Aug 3, 2026Aug 7, 2026$0.06
Jul 1, 2026Jul 8, 2026$0.06
Jun 1, 2026Jun 5, 2026$0.06
May 1, 2026May 7, 2026$0.06
Apr 1, 2026Apr 7, 2026$0.06
Mar 2, 2026Mar 6, 2026$0.06
Feb 2, 2026Feb 6, 2026$0.06
Dec 19, 2025Dec 26, 2025$0.07
Dec 1, 2025Dec 5, 2025$0.17
Nov 3, 2025Nov 7, 2025$0.07
Oct 1, 2025Oct 7, 2025$0.07

MBSD Risk

How much the fund’s monthly returns vary, scaled to a year.
4.3%
Annualised · 36 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.
−0.07
vs 3-month T-bills · 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.
−13.8%
Trough Oct 2022
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.
0.74
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.

MBSD Cost

Expense ratio0.21%
  • The middle half of Mortgage-Backed Securities funds
  • Median 0.32%

5 of the 24 Mortgage-Backed Securities funds charge less.

MBSD costs $21.00 a year on $10,000. The median Mortgage-Backed Securities fund costs $32.50.