SPDR Portfolio Mortgage Backed Bond ETF

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About SPMB

SPMB tracks an index of US agency mortgage pass-through debt.

Index-Tracked

BBgBarc US Agg Bond TR USD

Index-TrackedBBgBarc US Agg Bond TR USD

What's in this fund

Sectors

As of September 16, 2025

Securitized Bonds93.56%

Cash and Equivalents6.44%

Top 10 Holdings (11.98% of total assets)

As of September 16, 2025

NameSymbol% Assets

Ssi Us Gov Money Market Class State Street Inst Us Gov—6.45%

Federal Home Loan Mortgage Corp. 6%—0.93%

Federal Home Loan Mortgage Corp. 5.5%—0.69%

Federal Home Loan Mortgage Corp. 6%—0.61%

Federal National Mortgage Association 4.5%—0.59%

Federal National Mortgage Association 2%—0.58%

Federal Home Loan Mortgage Corp. 5.5%—0.57%

Government National Mortgage Association 5.5%—0.54%

Federal National Mortgage Association 5.5%—0.51%

Federal National Mortgage Association 6%—0.51%

SPMB Key Statistics

AUM

6.41B

AUM6.41B

Price-Earnings ratio

—

Price-Earnings ratio—

30-Day yield

3.91

30-Day yield3.91

Average volume

994.10K

Average volume994.10K

High today

$22.46

High today$22.46

Low today

$22.40

Low today$22.40

Open price

$22.44

Open price$22.44

Volume

597.54K

Volume597.54K

52 Week high

$22.75

52 Week high$22.75

52 Week low

$21.20

52 Week low$21.20

Expense ratio

0.05

Expense ratio0.05

View Prospectus and Reports