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

iShares Core 1-5 Year USD Bond ETF

$47.16-0.19% vs prior close
474952-WK

Price through Sep 30 · Flows through Jul 17. Figures use the latest available records, not a live quote. Fund details retrieved Oct 1. Holdings snapshot retrieved Oct 1.

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.

Price & daily flows
48.648.147.647.16DAILY NET FLOWOct 1Jan 30Jun 1Oct 1

SOURCE: MARKET TAPE & DAILY CREATION/REDEMPTION RECORDS · 1Y SHOWN

The desk’s read

Recent fund-flow records are unavailable, while the price has returned -3.3% so far this year. At 0.060% a year, no lower reported fee appears among the alternatives shown here.

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
628Kavg daily volume, 30 days
5952holdings · US-domiciled
2012listed October 17, 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

HoldingsDownload CSV
#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%———

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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%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Country weights
United States78.07%
Supranational2.17%
Canada1.83%
United Kingdom1.36%
France0.98%
Japan0.97%
Germany0.93%
China0.6%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Performance
1 week-0.3%
1 month-1.2%
3 months-1.9%
6 months-2.5%
YTD-3.3%
1 year-3.3%
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
AugSepOctNovDecJanFebMarAprMayJunJul
DAILY CREATION/REDEMPTION RECORDS, TRAILING TWELVE MONTHS
The risk read
3%realized volatility, 30 days (annualized)
2%realized volatility, 1 year
-3.8%deepest fall from a peak, 1 year
-3.8%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
1.2Mshares 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%$16.3B+$489M-3bp on fee · 4× the assets · +$489M in over the monthHead-to-head
IJH iShares Core S&P Mid-Cap ETF0.05%$122.8B+$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+$575M-2bp on fee · 5× the assets · +$575M 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%$46B+$2B-1bp on fee · 10× 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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