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TMB

GradeBNASDAQ Global Select

Thornburg Multi Sector Bond ETF

Specialty Bonds · Thornburg · Inception 2025-02-03

$24.84−0.16 (−0.64%)

As of Sep 23, 2026, 3:03 PM EDT

History starts Feb 5, 2025.
Intraday session: down, 52 prints from 25.00 to 24.84. Range 24.80 to 24.98. Use the arrow keys to read each point.$24.80$24.90$24.9510 AM12 PM2 PM4 PM
Expense ratio
0.55%
Fund size
$261M
1Y return
+1.3%
Yield · Last 12 months
4.33%
Volume · 30D
0.1M sh
NAV per share
$24.96
52W range
low $24.88high $26.52

The ETF.net TMB Grade

B

67/ 100

Rank 6 of 25 in Multi-Sector Bond Income

Confidence High

Six-pillar profile for TMB. Scores out of 100: Cost 50, Risk 50, Mission 83, Tradability 83, Holdings 82, Durability 71. Strongest: Mission (83). Weakest: Risk (50). No single pillar leads.
F< 25
D≥ 25
C≥ 40
B≥ 55
A≥ 70

Score 67 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.
    CScore 50
    Category rank13/25 · mid-pack
  • Mission

    How faithfully it does the job it claims — tracking its mandate or index with minimal slippage.
    AScore 83
    Category rank4/14 · top 29%
  • Risk

    How violently it can move — volatility, drawdown depth, and downside capture versus its category.
    CScore 50
    Category rank10/20 · top 50%
  • Tradability

    How cheaply and easily you can get in and out — liquidity, spread, and premium/discount stability.
    AScore 83
    Category rank4/25 · top 16%
  • Holdings

    What it actually owns — the quality, breadth, and concentration of the underlying portfolio.
    AScore 82
    Category rank4/25 · top 16%
  • Durability

    Whether it will still be here — the fund’s assets, age, flows, and issuer staying power.
    AScore 71
    Category rank8/25 · top 32%

Graded as of Sep 22, 2026

Our read on TMB

ETF.net Research

BThornburg's veteran bond desk in an ETF wrapper: one actively managed sleeve that roams across sectors, geographies and credit tiers instead of locking you into a single slice of the bond market.

Stated mandate

The Fund seeks total return from income and capital appreciation. Its investment objective may be changed without shareholder approval.

Why people hold it

  1. 01Go-anywhere mandate. Managers shift across sectors, geographies, credit qualities and maturities, including a deliberate slug of non-investment-grade bonds, rather than tracking one fixed slice.thornburg.com
  2. 02Most rivals here are single-sleeve index funds: green bonds (BGRN), agency paper (AGZ), EM local currency (EMLC). TMB is the one hired to pick among all of them.
  3. 03Income arrives monthly, not quarterly, which suits anyone treating a bond sleeve as a paycheck line.
  4. 04The portfolio does what the label says. Holdings match the multi-sector brief closely, and it lands in the stronger half of our bond group on how faithfully it delivers its stated mission.

Worth knowing

  1. 01Active pricing: 0.55% a year, above the typical fund in this bond group. You are paying for the manager's judgment, not an index license.
  2. 02A standing allocation to below-investment-grade bonds means more credit risk than a plain core bond fund, and those bonds tend to wobble when markets get nervous.thornburg.com
  3. 03Launched in 2025, so the track record is short and the asset base still modest. The objective itself can also be changed without a shareholder vote.thornburg.com

TMB Holdings

As of Sep 20, 2026, 10:32 PM
Asset class
Bonds
Holdings
Top-10 weight
21%
Largest holding
United States Treasury Note/Bond8.2%
The fund’s holdings, weight-ordered — page 1 of 43.
#TickerCompanyWeight %SharesMarket valueIn ETFs
001United States Treasury Note/Bond8.23%22,225,000$22M29
002United States Treasury Note/Bond2.41%6,575,000$6M14
003Cash & Cash EquivalentsCash & Cash Equivalents2.38%1,201,685$6M67
004United States Treasury Note/Bond1.65%6,140,000$4M10
005Freddie Mac Pool1.12%3,030,755$3M5
006Fannie Mae Pool1.01%3,134,899$3M2
007United States Treasury Note/Bond0.99%2,660,000$3M29
008United States Treasury Strip Principal0.97%11,978,000$3M4
009Fannie Mae Pool0.90%2,426,082$2M4
010Fannie Mae Pool0.88%2,842,820$2M5
011Freddie Mac Pool0.63%2,048,765$2M3
012Fannie Mae Pool0.57%1,490,181$1M2
013United States Treasury Strip Coupon0.50%3,060,000$1M3
014Fannie Mae Pool0.50%1,469,516$1M2
015Fannie Mae Pool0.39%1,058,596$1M1

Showing 1–15 of 640 holdings

TMB Performance

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

TMB$10,134
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. TMB $10,134. 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 TMB. Periods over one year show the average yearly return.
PeriodTMB
Year to date+0.2%
1 month−0.7%
3 months−0.5%
1 year+1.3%
3 yearsFund is under 3 years oldper year
5 yearsFund is under 5 years oldper year
10 yearsFund is under 10 years oldper 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 TMB
YearReturn barTMB
2026 YTD+0.2%
2025+6.1%

History from Feb 5, 2025

TMB in the news

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

TMB 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.
4.33%Last 12 months
Payout per share
$1.08Last 12 months
Last payment
$0.09 per share
Paid on
Shares bought on or after this date do not qualify for this distribution.
Frequency
Monthly

Distribution history

2025–2026

One bar per payment. 19 payments from 2025 to 2026 YTD. Feb 27, 2025 $0.04; Mar 28, 2025 $0.11; Apr 29, 2025 $0.10; May 29, 2025 $0.09; Jun 27, 2025 $0.09; Jul 30, 2025 $0.09; Aug 28, 2025 $0.09; Sep 29, 2025 $0.08; Oct 30, 2025 $0.10; Nov 26, 2025 $0.08; Dec 30, 2025 $0.17; Jan 29, 2026 $0.02; Feb 26, 2026 $0.08; Mar 30, 2026 $0.07; Apr 29, 2026 $0.10; May 28, 2026 $0.09; Jun 29, 2026 $0.09; Jul 30, 2026 $0.10; Aug 28, 2026 $0.09. Use the arrow keys to read each point.20252026YTD
Ex-datePay dateAmount per share
Aug 28, 2026Aug 31, 2026$0.09
Jul 30, 2026Jul 31, 2026$0.10
Jun 29, 2026Jun 30, 2026$0.09
May 28, 2026May 29, 2026$0.09
Apr 29, 2026Apr 30, 2026$0.10
Mar 30, 2026Mar 31, 2026$0.07
Feb 26, 2026Feb 27, 2026$0.08
Jan 29, 2026Jan 30, 2026$0.02
Dec 30, 2025Dec 31, 2025$0.17
Nov 26, 2025Nov 28, 2025$0.08
Oct 30, 2025Oct 31, 2025$0.10
Sep 29, 2025Sep 30, 2025$0.08

TMB Risk

How much the fund’s monthly returns vary, scaled to a year.
2.0%
Annualised · 18 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.
−0.09
vs 3-month T-bills · 18 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.
−2.0%
19 months · trough Mar 2026
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.
0.05
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.

TMB Cost

Expense ratio0.55%
  • The middle half of Multi-Sector Bond Income funds
  • Median 0.55%

11 of the 23 Multi-Sector Bond Income funds charge less.

TMB costs $55.00 a year on $10,000. The median Multi-Sector Bond Income fund costs $55.00.