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Wednesday, October 28, 2026 · Today’s edition, 6:30 a.m. ETWed, Oct 28 · 6:30 a.m. editionSign inMy Desk 0EditionsSign in
SPMBSPDRINDEX

SPDR Portfolio Mortgage Backed Bond ETF

$21.60+0.09% vs prior close
212352-WK

Price through Oct 27, 2026 · Flows through Oct 26, 2026. Figures use the latest available records, not a live quote. Fund details retrieved Oct 27, 2026. Holdings snapshot retrieved Oct 27, 2026.

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.

SPMB price

Source: Market tape, daily closes; price return, distributions not reinvested
Table
DateSPMB close
Jul 27, 2026$22.03
Jul 28, 2026$22.10
Jul 29, 2026$22.01
Jul 30, 2026$22.02
Jul 31, 2026$21.92
Aug 3, 2026$21.90
Aug 4, 2026$22.02
Aug 5, 2026$22.03
Aug 6, 2026$21.96
Aug 7, 2026$22.03
Aug 10, 2026$21.94
Aug 11, 2026$21.96
Aug 12, 2026$22.00
Aug 13, 2026$22.07
Aug 14, 2026$22.00
Aug 17, 2026$21.95
Aug 18, 2026$21.98
Aug 19, 2026$22.08
Aug 20, 2026$22.00
Aug 21, 2026$21.96
Aug 24, 2026$22.02
Aug 25, 2026$22.12
Aug 26, 2026$22.07
Aug 27, 2026$22.06
Aug 28, 2026$21.99
Aug 31, 2026$21.97
Sep 1, 2026$21.82
Sep 2, 2026$21.82
Sep 3, 2026$21.86
Sep 4, 2026$21.87
Sep 8, 2026$21.84
Sep 9, 2026$21.78
Sep 10, 2026$21.61
Sep 11, 2026$21.57
Sep 14, 2026$21.53
Sep 15, 2026$21.55
Sep 16, 2026$21.52
Sep 17, 2026$21.66
Sep 18, 2026$21.57
Sep 21, 2026$21.63
Sep 22, 2026$21.60
Sep 23, 2026$21.38
Sep 24, 2026$21.21
Sep 25, 2026$21.32
Sep 28, 2026$21.17
Sep 29, 2026$21.13
Sep 30, 2026$21.14
Oct 1, 2026$21.12
Oct 2, 2026$21.05
Oct 5, 2026$21.00
Oct 6, 2026$21.07
Oct 7, 2026$21.05
Oct 8, 2026$21.16
Oct 9, 2026$21.19
Oct 12, 2026$21.20
Oct 13, 2026$21.23
Oct 14, 2026$21.26
Oct 15, 2026$21.39
Oct 16, 2026$21.38
Oct 19, 2026$21.30
Oct 20, 2026$21.36
Oct 21, 2026$21.36
Oct 22, 2026$21.56
Oct 23, 2026$21.54
Oct 26, 2026$21.58
Oct 27, 2026$21.60

Weekly net flows, 3M

Net inflow over the range: +$133M

  • Inflow / above zero
  • Outflow / below zero
Jul 27Aug 3Aug 10Aug 17Aug 24Aug 31Sep 7Sep 14−$89.7MSep 21Sep 28Oct 5Oct 12Oct 19+$15.4MOct 26Jul 27Aug 10Aug 24Sep 7−$89.7MSep 21Oct 5+$15.4MOct 26Jul 27Aug 24−$89.7MSep 21+$15.4MOct 26
Source: Daily creation and redemption records
Show as table
LabelValue ($)
Jul 27$17.6M
Aug 3$59.4M
Aug 10$68.2M
Aug 17$11M
Aug 24$22M
Aug 31$8.8M
Sep 7$11M
Sep 14$11M
Sep 21−$89.7M
Sep 28$8.4M
Oct 5−$8.4M
Oct 12−$18.9M
Oct 19$17.3M
Oct 26$15.4M
The desk’s read

Money keeps arriving — +$14M of net inflows over the past month, about 0.2% of the fund's asset base, while the price has returned -3.6% 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

$7Bassets under management
0.040%expense ratio · $4 per $10,000 a year
+$14Mnet flow, trailing month
2.6Mavg daily volume, 30 days
2427holdings · US-domiciled
2009listed January 15, 2009 · beta 0.14
The book at a glance
—1.1%—1.0%—1.0%—0.8%—0.8%—0.7%—0.6%—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%—0.4%—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%

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

Holdings
#HoldingWeightPriceDay52-wk
1—FED HM LN PC POOL RQ0094 FR 02/56 FIXED 51.12%———
2—FED HM LN PC POOL RQ0118 FR 05/56 FIXED 51.01%———
3—FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE0.95%———
4—US DOLLAR0.84%———
5—FNMA 30YR 2% 02/52#MA45470.75%———
6—FED HM LN PC POOL RQ0041 FR 08/55 FIXED 60.72%———
7—FED HM LN PC POOL SD8212 FR 05/52 FIXED 2.50.58%———
8—FED HM LN PC POOL SD8475 FR 11/54 FIXED 5.50.52%———
9—GNMA II POOL MB0424 G2 06/55 FIXED 5.50.52%———
10—GNMA II POOL MB0871 G2 01/56 FIXED 50.49%———
11—FNMA POOL MA4701 FN 08/52 FIXED 4.50.48%———
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 20.42%———
15—FNMA 30YR 2% 02/52#FS20400.42%———

The full book, free with one sign-in.

Top 15 positions are open to everyone. Sign in once and every fund’s complete holdings — plus watchlists and flow alerts — unlock across the network.

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Sector weights

  • Other100%
  • MBS100%
  • Cash & Others100%
  • Securitized93.87%
  • Mutual fund5.53%
  • Agency0.54%
  • Miscellaneous0.07%
Source: Portfolio composition, latest disclosure
Show as table
ItemValue (%)
Other100%
MBS100%
Cash & Others100%
Securitized93.87%
Mutual fund5.53%
Agency0.54%
Miscellaneous0.07%
Performance
1 week+1.1%
1 month+1.3%
3 months-2.0%
6 months-3.7%
YTD-3.6%
1 year-4.7%
3 years—

PRICE RETURN, DISTRIBUTIONS NOT REINVESTED

Net flows
1 week+$26M
1 month+$14M
3 months+$133M
YTD+$589M
1 year+$773M

CREATION/REDEMPTION DOLLARS, DAILY RECORDS

Monthly net flows

  • Inflow / above zero
  • Outflow / below zero
+$49MNov+$134.6MDec+$69.3MJan+$118.8MFeb+$80.9MMar+$17.8MApr+$52.8MMay+$123.2MJun+$11MJul+$169.4MAug−$53MSep−$900KOctNovDecJanFebMarAprMayJunJul+$169.4MAugSep−$900KOctNovJanMarMayJul+$169.4M−$900KOct
Source: Daily creation/redemption records, trailing twelve months
Show as table
LabelValue ($)
Nov$49M
Dec$134.6M
Jan$69.3M
Feb$118.8M
Mar$80.9M
Apr$17.8M
May$52.8M
Jun$123.2M
Jul$11M
Aug$169.4M
Sep−$53M
Oct−$900K
The risk read
5%realized volatility, 30 days (annualized)
5%realized volatility, 1 year
-8.0%deepest fall from a peak, 1 year
-5.3%latest close versus that peak

The top holding is 4.5% of the book; the top ten carry 12%. Spread across 250+ names, it behaves like roughly 100 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
1.5Mshares 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%$16.4B+$489M-1bp on fee · 2× the assets · +$489M in over the monthHead-to-head
IJH iShares Core S&P Mid-Cap ETF0.05%$123.5B+$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+$47M3× the assets · +$47M 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%$48B+$2B7× the assets · +$2B in over the monthHead-to-head
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