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Friday, October 2, 2026The Morning Brief →Sign in
SPMBSPDRINDEX

SPDR Portfolio Mortgage Backed Bond ETF

$21.12-0.09% vs prior close
212352-WK

Price through Oct 1 · Flows through Sep 30. Figures use the latest available records, not a live quote. Fund details retrieved Oct 1. Holdings snapshot retrieved Oct 1.

The fund generally invests substantially all, but at least 80%, of its total assets in the securities comprising the index and in securities that the Adviser determines have economic characteristics that are substantially identical to the economic characteristics of the securities that comprise the index. The index is designed to measure the performance of the U.S. agency mortgage pass-through segment of the U.S. investment grade bond market.

Price & daily flows
22.522.021.521.12DAILY NET FLOWOct 1Jan 30Jun 1Oct 1

SOURCE: MARKET TAPE & DAILY CREATION/REDEMPTION RECORDS · 3Y SHOWN · NET +$2.5B OVER THIS RANGE

The desk’s read

Money is leaving — −$53M in net outflows over the past month, about 0.8% of the fund's asset base, while the price has returned -5.8% so far this year. At 0.040% a year, no lower reported fee appears among the alternatives shown here.

COMPOSED FROM THE FUND’S OWN DAILY RECORDS · UPDATED WITH EACH REFRESH

$6.8Bassets under management
0.040%expense ratio · $4 per $10,000 a year
−$53Mnet flow, trailing month
1.7Mavg daily volume, 30 days
2427holdings · US-domiciled
2009listed January 15, 2009 · beta 0.14
The book at a glance
—1.1%—1.1%—0.8%—0.7%—0.7%—0.6%—0.6%—0.5%—0.5%—0.5%—0.5%—0.5%—0.5%—0.4%—0.4%—0.4%—0.4%—0.4%—0.4%—0.4%—0.4%—0.4%—0.4%—0.4%—0.4%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%—0.3%

CELL SIZE IS PORTFOLIO WEIGHT · COLOR IS THE CHANGE IN THE LATEST AVAILABLE SNAPSHOT · TOP 40 POSITIONS

HoldingsDownload CSV
#HoldingWeightPriceDay52-wk
1—FED HM LN PC POOL RQ0094 FR 02/56 FIXED 51.13%———
2—FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE1.07%———
3—FNMA 30YR 2% 02/52#MA45470.75%———
4—FED HM LN PC POOL RQ0118 FR 05/56 FIXED 50.74%———
5—FED HM LN PC POOL RQ0041 FR 08/55 FIXED 60.73%———
6—FED HM LN PC POOL SD8212 FR 05/52 FIXED 2.50.58%———
7—FNMA TBA 30 YR 5 SINGLE FAMILY MORTGAGE0.57%———
8—FED HM LN PC POOL SD8475 FR 11/54 FIXED 5.50.53%———
9—GNMA II POOL MB0424 G2 06/55 FIXED 5.50.52%———
10—GNMA II POOL MB0871 G2 01/56 FIXED 50.50%———
11—FNMA POOL MA4701 FN 08/52 FIXED 4.50.49%———
12—FEDERAL NATIONAL MORTGAGE ASSOCIATION 5.5 02/01/20550.47%———
13—FNMA POOL MA4465 FN 11/51 FIXED 20.45%———
14—FED HM LN PC POOL SD8193 FR 02/52 FIXED 20.43%———
15—FNMA 30YR 2% 02/52#FS20400.42%———

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Sector weights
Other100%
MBS100%
Cash & Others100%
Securitized93.87%
Mutual fund5.53%
Agency0.54%
Miscellaneous0.07%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Performance
1 week-0.9%
1 month-3.2%
3 months-4.8%
6 months-5.4%
YTD-5.8%
1 year-5.8%
3 years—

PRICE RETURN, DISTRIBUTIONS NOT REINVESTED

Net flows
1 week−$4M
1 month−$53M
3 months+$127M
YTD+$590M
1 year+$867M

CREATION/REDEMPTION DOLLARS, DAILY RECORDS

Monthly net flows
OctNovDecJanFebMarAprMayJunJulAugSep
DAILY CREATION/REDEMPTION RECORDS, TRAILING TWELVE MONTHS
The risk read
7%realized volatility, 30 days (annualized)
5%realized volatility, 1 year
-7.4%deepest fall from a peak, 1 year
-7.4%latest close versus that peak

The top holding is 6.4% of the book; the top ten carry 13%. Spread across 250+ names, it behaves like roughly 68 equally-weighted positions.

VOLATILITY & DRAWDOWN FROM THE DAILY TAPE · CONCENTRATION FROM THE LATEST DISCLOSED BOOK

Options tape
—calls · latest snapshot
—puts · latest snapshot
—put/call ratio
3.1Mshares traded
The case against SPMB

Due diligence cuts both ways. These funds sit on the same shelf and beat SPMB on at least one dimension that matters — the fee, the asset base, or where the money is going.

FundFeeAssetsFlow, 1MThe case
STIP iShares 0-5 Year TIPS Bond ETF0.03%$16.3B+$489M-1bp on fee · 2× the assets · +$489M in over the monthHead-to-head
IJH iShares Core S&P Mid-Cap ETF0.05%$122.8B+$2.3B18× the assets · +$2.3B in over the monthHead-to-head
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF0.04%$23.7B+$575M3× the assets · +$575M in over the monthHead-to-head
IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF0.04%$18.6B+$412M3× the assets · +$412M in over the monthHead-to-head
MUB iShares National Muni Bond ETF0.05%$46B+$2B7× the assets · +$2B in over the monthHead-to-head
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InstrumentsHarvest substitutesTrade cost at $1MClient tearsheetStress this fund
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