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TMBvsBRTRETF Comparison

ETF 1
TMB

Thornburg Multi Sector Bond ETF

This fund is part of
Intl Aggregate Bonds
+0.01%
VS
ETF 2
BRTR

iShares Total Return Active ETF

This fund is part of
US Aggregate Bonds
+0.03%

Thornburg Multi Sector Bond ETF (TMB) belongs to the Intl Aggregate Bonds segment. iShares Total Return Active ETF (BRTR) is part of the US Aggregate Bonds segment. TMB's top 3 sector exposures are Finance, Sovereign and Industrials. In contrast, BRTR's top sector exposures are Sovereign, Industrials and Finance. TMB is more expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.41% for BRTR. TMB is down -0.2% year-to-date (YTD) with +$198M in YTD flows. BRTR performs worse with -1.88% YTD performance, and +$348M in YTD flows. Run a side-by-side ETF comparison of TMB and BRTR below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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TMB vs BRTR performance and flow charts

Performance

-1.5-1.0-0.50.00.5%Sep 16Sep 23Sep 30Oct 7Oct 14

Cumulative Flows

0 M10 M20 M30 M40 M50 M60 MSep 16Sep 23Sep 30Oct 7Oct 14

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Historic performance and flows
Data as of 10/16/2026
1M3MYTD1Y3Y5Y
Perf.
TMB
BRTR
-0.09%-0.37%
-1.10%-2.16%
-0.20%-1.88%
+0.28%-1.77%
n/an/a
n/an/a
Flows
TMB
BRTR
+$7M+$60M
+$37M+$119M
+$198M+$348M
+$194M+$597M
--
--
Volatility and drawdown
3M1Y3Y5Y
Volatility
TMB
BRTR
+2.92%+4.33%
+2.60%+3.97%
n/an/a
n/an/a
Max drawdown
TMB
BRTR
-2.30%-3.54%
-2.53%-4.97%
n/an/a
n/an/a
Max drawdown duration
TMB
BRTR
52d52d
229d229d
n/an/a
n/an/a
Trading data

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TMB
BRTR
Last sale
10/16/2026 at 1:30 PM
$24.82
$48.08
Previous close
10/15/2026
$24.81
$48.07
Consolidated volume
10/15/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
TMB
BRTR
Last price
$24.82
$48.08
1D performance
+0.04%
+0.02%
AuM$266.36 M$820.05 M
E/R0.55%0.41%
Characteristics
TMB
BRTR
Management strategyActiveActive
ProviderThornburgiShares
Benchmark--
N° of holdings3676464
Asset class--
Trailing 12m distribution yield
Join
Join
Inception dateFebruary 5, 2025December 12, 2023
ESGNoNo
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Exposure

Countries

TMB
USA
49.95%
Other
50.05%
BRTR
Data will be available soon

Sectors

TMB
Finance
12.66%
Sovereign
8.69%
Industrials
7.9%
Other
70.75%
BRTR
Data will be available soon
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Diversification

TMB

Total weight of top 15 holdings out of 15

25.83%
BRTR
Data will be available soon

Top 15 holdings

Data as of August 31, 2026
TMB
US91282CRF04
9.33%
USA, Notes 4.25% 30jun2033, USD (M-2033)
3.42%
Thornburg Capital Management Fund
2.90%
USA, Bonds 2.875% 15aug2045, USD
1.66%
USA, Notes 3.75% 31aug2031, USD (P-2031)
1.31%
FR RQ0146, 5.5% 1aug2056, USD (ABS)
1.14%
US3140W5WV28
1.02%
FN MA5497, 5.5% 1oct2054, USD (ABS)
0.92%
US31418D3H34
0.89%
US912803HV84
0.72%
FR SD8178, 2.5% 1nov2051, USD (ABS)
0.64%
US31418F2K27
0.57%
USA, STRIPS 0% 15may2042, USD (10957D)
0.51%
US3140XRWW19
0.40%
US142921AG08
0.38%
BRTR
Data will be available soon
Frequently asked questions about TMB and BRTR

How have the TMB and BRTR ETFs performed in 2026?

As of October 16, 2026, TMB is down -0.2% year-to-date (YTD), while BRTR has lost -1.88%. That puts TMB better performer ahead so far this year.

Which ETF is attracting more investor money: TMB or BRTR?

Year-to-date, the TMB ETF saw +$198M in flows, compared to +$348M for BRTR.

Which ETF is more volatile: TMB or BRTR?

Over the past year, TMB had a volatility of 2.6%, while BRTR experienced 3.97%.

Which ETF is bigger: TMB or BRTR?

As of October 16, 2026, TMB holds $266.36 M in assets under management (AUM), while BRTR manages $820.05 M.

What sectors do the TMB and BRTR ETFs invest in?

TMB leans toward sectors like Finance, Sovereign and Industrials. Meanwhile, BRTR focuses on Sovereign and Industrials.

What are the top holdings of the TMB ETF and BRTR ETF?

TMB top holdings include US91282CRF04, USA, Notes 4.25% 30jun2033, USD (M-2033) and Thornburg Capital Management Fund. BRTR holds in its top three: US01F0526982, BlackRock Cash Funds - Institutional and USA, Bonds 4.75% 15nov2043, USD.

Which ETF is more diversified: TMB or BRTR?

TMB holds 631 securities with 25.83% of its assets in the top 15. BRTR has 9316 securities and a top 15 weight of 41.49%.

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