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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
Private Wealth Daily
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ISTBISharesINDEX

iShares Core 1-5 Year USD Bond ETF

$47.44+0.06% vs prior close
474952-WK

Price through Oct 27, 2026 · Flows through Jul 18, 2025. Figures use the latest available records, not a live quote. Fund details retrieved Oct 27, 2026. Holdings snapshot retrieved Oct 27, 2026.

The fund will invest at least 80% of its assets in the component securities of the index and TBA transactions that have economic characteristics that are substantially identical to the economic characteristics of the component securities of the index and it will invest at least 90% of its assets in fixed income securities of the types included in the index.

ISTB price

Source: Market tape, daily closes; price return, distributions not reinvested
Table
DateISTB close
Jul 27, 2026$47.98
Jul 28, 2026$48.03
Jul 29, 2026$48.01
Jul 30, 2026$48.05
Jul 31, 2026$48.03
Aug 3, 2026$47.91
Aug 4, 2026$48.00
Aug 5, 2026$48.02
Aug 6, 2026$47.93
Aug 7, 2026$48.02
Aug 10, 2026$47.95
Aug 11, 2026$47.97
Aug 12, 2026$48.01
Aug 13, 2026$48.09
Aug 14, 2026$48.07
Aug 17, 2026$48.06
Aug 18, 2026$48.06
Aug 19, 2026$48.10
Aug 20, 2026$48.03
Aug 21, 2026$48.02
Aug 24, 2026$48.05
Aug 25, 2026$48.13
Aug 26, 2026$48.11
Aug 27, 2026$48.10
Aug 28, 2026$47.99
Aug 31, 2026$48.00
Sep 1, 2026$47.74
Sep 2, 2026$47.77
Sep 3, 2026$47.80
Sep 4, 2026$47.80
Sep 8, 2026$47.77
Sep 9, 2026$47.74
Sep 10, 2026$47.55
Sep 11, 2026$47.52
Sep 14, 2026$47.50
Sep 15, 2026$47.47
Sep 16, 2026$47.42
Sep 17, 2026$47.53
Sep 18, 2026$47.44
Sep 21, 2026$47.49
Sep 22, 2026$47.51
Sep 23, 2026$47.30
Sep 24, 2026$47.23
Sep 25, 2026$47.31
Sep 28, 2026$47.20
Sep 29, 2026$47.20
Sep 30, 2026$47.25
Oct 1, 2026$47.16
Oct 2, 2026$47.10
Oct 5, 2026$47.13
Oct 6, 2026$47.18
Oct 7, 2026$47.20
Oct 8, 2026$47.25
Oct 9, 2026$47.23
Oct 12, 2026$47.23
Oct 13, 2026$47.25
Oct 14, 2026$47.24
Oct 15, 2026$47.32
Oct 16, 2026$47.35
Oct 19, 2026$47.28
Oct 20, 2026$47.30
Oct 21, 2026$47.30
Oct 22, 2026$47.47
Oct 23, 2026$47.44
Oct 26, 2026$47.41
Oct 27, 2026$47.44

Weekly net flows, 3M

Net outflow over the range: −$96M

  • Inflow / above zero
  • Outflow / below zero
Apr 21Apr 28−$24MMay 5May 12May 19May 26Jun 2Jun 9Jun 16Jun 23Jun 30Jul 7$0Jul 14Apr 21−$24MMay 5May 19Jun 2Jun 16Jun 30$0Jul 14Apr 21−$24MMay 12Jun 2Jun 23$0Jul 14
Source: Daily creation and redemption records
Show as table
LabelValue ($)
Apr 21$9.6M
Apr 28$0
May 5−$24M
May 12−$24M
May 19−$19.2M
May 26−$19.2M
Jun 2$0
Jun 9$0
Jun 16$0
Jun 23$0
Jun 30−$19.2M
Jul 7$0
Jul 14$0
The desk’s read

Recent fund-flow records are unavailable, while the price has returned -2.7% so far this year. At 0.060% a year it is not the cheapest way in — AGG has a reported fee of 0.03%.

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

$4.4Bassets under management
0.060%expense ratio · $6 per $10,000 a year
—net flow, trailing month
804Kavg daily volume, 30 days
5952holdings · US-domiciled
2012listed October 18, 2012 · beta 0.06
The book at a glance
—0.9%—0.9%—0.8%—0.8%—0.8%—0.8%—0.7%—0.7%—0.7%—0.7%—0.7%—0.7%—0.7%—0.7%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.6%—0.5%—0.5%—0.5%—0.5%—0.5%—0.5%—0.5%—0.5%—0.5%—0.5%—0.5%

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

Holdings
#HoldingWeightPriceDay52-wk
1—TREASURY NOTE (OLD)0.89%———
2—TREASURY NOTE0.88%———
3—TREASURY NOTE0.77%———
4—TREASURY NOTE0.76%———
5—TREASURY NOTE0.75%———
6—TREASURY NOTE0.75%———
7—TREASURY NOTE (OTR)0.72%———
8—TREASURY NOTE0.71%———
9—TREASURY NOTE0.69%———
10—TREASURY NOTE0.69%———
11—TREASURY NOTE0.68%———
12—TREASURY NOTE0.67%———
13—TREASURY NOTE (OLD)0.65%———
14—TREASURY NOTE0.65%———
15—TREASURY NOTE0.64%———

The full book, free with one sign-in.

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Sector weights

  • Treasury51.44%
  • Industrial14.73%
  • Financial Institutions11.09%
  • MBS Pass-Through3.41%
  • Agency2.77%
  • CMBS2.21%
  • Supranational2.17%
  • Sovereign1.95%
  • Utility1.28%
  • ABS0.75%
Source: Portfolio composition, latest disclosure
Show as table
ItemValue (%)
Treasury51.44%
Industrial14.73%
Financial Institutions11.09%
MBS Pass-Through3.41%
Agency2.77%
CMBS2.21%
Supranational2.17%
Sovereign1.95%
Utility1.28%
ABS0.75%

Country weights

  • United States78.07%
  • Supranational2.17%
  • Canada1.83%
  • United Kingdom1.36%
  • France0.98%
  • Japan0.97%
  • Germany0.93%
  • China0.6%
Source: Portfolio composition, latest disclosure
Show as table
ItemValue (%)
United States78.07%
Supranational2.17%
Canada1.83%
United Kingdom1.36%
France0.98%
Japan0.97%
Germany0.93%
China0.6%
Performance
1 week+0.3%
1 month+0.3%
3 months-1.1%
6 months-2.3%
YTD-2.7%
1 year-3.1%
3 years—

PRICE RETURN, DISTRIBUTIONS NOT REINVESTED

Net flows
1 week—
1 month—
3 months—
YTD—
1 year—

CREATION/REDEMPTION DOLLARS, DAILY RECORDS

Monthly net flows

  • Inflow / above zero
  • Outflow / below zero
−$14.4MAug−$97.5MSep+$38.4MOct+$81.6MNov+$57.6MDec+$48MJan−$4.8MFeb−$33.6MMar+$244.8MApr−$86.4MMay$0Jun−$19.2MJulAugSepOctNovDecJanFebMar+$244.8MAprMayJun−$19.2MJulAugOctDecFeb+$244.8MApr−$19.2MJul
Source: Daily creation/redemption records, trailing twelve months
Show as table
LabelValue ($)
Aug−$14.4M
Sep−$97.5M
Oct$38.4M
Nov$81.6M
Dec$57.6M
Jan$48M
Feb−$4.8M
Mar−$33.6M
Apr$244.8M
May−$86.4M
Jun$0
Jul−$19.2M
The risk read
2%realized volatility, 30 days (annualized)
2%realized volatility, 1 year
-3.9%deepest fall from a peak, 1 year
-3.2%latest close versus that peak

The top holding is 1.1% of the book; the top ten carry 8%. Spread across 250+ names, it behaves like roughly 128 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
344Kshares traded
The case against ISTB

Due diligence cuts both ways. These funds sit on the same shelf and beat ISTB 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-3bp on fee · 4× the assets · +$489M in over the monthHead-to-head
IJH iShares Core S&P Mid-Cap ETF0.05%$123.5B+$2.3B-1bp on fee · 28× the assets · +$2.3B in over the monthHead-to-head
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF0.04%$23.7B+$47M-2bp on fee · 5× the assets · +$47M in over the monthHead-to-head
IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF0.04%$18.6B+$412M-2bp on fee · 4× the assets · +$412M in over the monthHead-to-head
MUB iShares National Muni Bond ETF0.05%$48B+$2B-1bp on fee · 11× the assets · +$2B in over the monthHead-to-head
Sign in to save this to The RecordA timestamped copy for the file — documentation, not advice.
InstrumentsHarvest substitutesTrade cost at $1MClient tearsheetStress this fund
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