BROUGHT TO YOU BY:

ETF Portfolio Builder

New

ETF Portfolio Builder

New

DLUXvsSPMBETF Comparison

ETF 1

DLUX

DoubleLine Ultrashort Income ETF

This fund is part of

US Aggregate Bonds

+0.24%

Full DLUX fund page

VS

ETF 2

SPMB

State Street State Street SPDR Portfolio Mortgage Backed Bond ETF

This fund is part of

MBS & ABS

+0.31%

Full SPMB fund page

DoubleLine Ultrashort Income ETF (DLUX) belongs to the US Aggregate Bonds segment. State Street State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) is part of the MBS & ABS segment. DLUX's top 3 sector exposures are Finance, Industrials and Non-Corporate. In contrast, SPMB's top sector exposures are Industrials, Finance and Government Agencies. DLUX is more expensive with a Total Expense Ratio (TER) of 0.18%, versus 0.04% for SPMB. Run a side-by-side ETF comparison of DLUX and SPMB below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

Find out how industry players manage ETF portfolios. Discover our library of Model portfolios

DLUX vs SPMB performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

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

Data Services

Historic performance and flows

Data as of 10/30/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	DLUX SPMB	+0.72%+3.07%	+0.56%-0.44%	n/a-0.34%	n/a+0.34%	n/a+20.05%	n/a+0.78%
Flows	DLUX SPMB	+$65M+$29M	+$70M+$143M	-+$618M	-+$804M	-+$2.48B	-+$3.53B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	DLUX SPMB	+0.87%+6.02%	n/a+4.72%	n/a+5.73%	n/a+6.80%
Max drawdown	DLUX SPMB	-0.48%-4.41%	n/a-5.57%	n/a-5.57%	n/a-17.04%
Max drawdown duration	DLUX SPMB	30d66d	n/a243d	n/a243d	n/a1436d

Trading data

Create an account to view trading data

Join for free

	DLUX	SPMB
Last sale 11/2/2026 at 2:30 PM		$21.64
Previous close 10/30/2026		$21.70
Consolidated volume 10/30/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of October 30, 2026

1-year trailing difference

Create an account to view replication metrics

Join for free

DLUX

is actively managed and doesn’t replicate an index

Create an account to view replication quality

Join for free

	DLUX	SPMB
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 11/2/2026 at 2:30 PM

Live

Closed

	DLUX	SPMB
Last price	–	$21.64
1D performance	–	-0.28%
AuM	$276.39 M	$7.03 B
E/R	0.18%	0.04%

Characteristics

	DLUX	SPMB
Management strategy	Active	Passive
Provider	DoubleLine	State Street Investment Management
Benchmark	-	Bloomberg U.S. MBS Index
N° of holdings	61	568
Asset class	-	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	March 31, 2026	January 15, 2009
ESG	No	No

More DLUX data on Trackinsight

More SPMB data on Trackinsight

Exposure

Countries

DLUX

USA

30.35%

Other

69.65%

SPMB

USA

32.36%

Other

67.64%

Sectors

DLUX

Finance

14.14%

Industrials

12.07%

Other

73.8%

SPMB

Industrials

32.01%

Other

67.99%

Diversification

DLUX

Total weight of top 15 holdings out of 15

33.93%

SPMB

Total weight of top 15 holdings out of 15

9.74%

Top 15 holdings

Data as of September 30, 2026

DLUX

US38384AE741

3.35%

US3136G66B94

3.32%

US3136G6RC44

3.15%

US38385WBT09

2.78%

US18914KAA07

2.33%

US3137HRZJ18

2.29%

US3137GBQ730

2.26%

US3137HR6F17

2.25%

US3137GCBE27

2.24%

US38384EB384

2.21%

US05766JAL52

1.79%

US912797WR48

1.64%

Connecticut Avenue Securities 2024-R06, FRN 26sep2044, USD (2024-R06, ABS, 1A1)

1.46%

US884887AN08

1.43%

US89624CDG42

1.43%

SPMB

US01F0526A56

1.42%

US3142J6C840

1.13%

FN MA4547, 2% 1feb2052, USD (ABS)

0.75%

US3142J6DY61

0.74%

US3142J6BK85

0.73%

FR SD8212, 2.5% 1may2052, USD (ABS)

0.58%

US01F0506A92

0.57%

US3132DWMY65

0.53%

G2 MB0424, 5.5% 20jun2055, USD (ABS)

0.52%

US3618N56H72

0.50%

FN MA4701, 4.5% 1aug2052, USD (ABS)

0.49%

FN FA0608, 5.5% 1feb2055, USD (ABS)

0.47%

FN MA4465, 2% 1nov2051, USD (ABS)

0.45%

FR SD8193, 2% 1feb2052, USD (ABS)

0.43%

FN FS2040, 2% 1feb2052, USD (ABS)

0.42%

Frequently asked questions about DLUX and SPMB

Which ETF is bigger: DLUX or SPMB?

As of October 30, 2026, DLUX holds $276.39 M in assets under management (AUM), while SPMB manages $7.03 B.

What sectors do the DLUX and SPMB ETFs invest in?

DLUX leans toward sectors like Finance and Industrials. Meanwhile, SPMB focuses on Industrials.

What are the top holdings of the DLUX ETF and SPMB ETF?

DLUX top holdings include US38384AE741, US3136G66B94 and US3136G6RC44. SPMB holds in its top three: US01F0526A56, US3142J6C840 and FN MA4547, 2% 1feb2052, USD (ABS).

DLUXvsSPMBETF Comparison

DoubleLine Ultrashort Income ETF

State Street State Street SPDR Portfolio Mortgage Backed Bond ETF

DLUX vs SPMB performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

Which ETF is bigger: DLUX or SPMB?

As of October 30, 2026, DLUX holds $276.39 M in assets under management (AUM), while SPMB manages $7.03 B.

What sectors do the DLUX and SPMB ETFs invest in?

DLUX leans toward sectors like Finance and Industrials. Meanwhile, SPMB focuses on Industrials.

What are the top holdings of the DLUX ETF and SPMB ETF?

DLUX top holdings include US38384AE741, US3136G66B94 and US3136G6RC44. SPMB holds in its top three: US01F0526A56, US3142J6C840 and FN MA4547, 2% 1feb2052, USD (ABS).

Which ETF is more diversified: DLUX or SPMB?

DLUX holds 206 securities with 33.93% of its assets in the top 15. SPMB has 2752 securities and a top 15 weight of 9.74%.

ETFs’ Next Act: From Access to Selection