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Wednesday, August 19, 2026The Morning Brief →Sign in
IBTLISharesINDEX

iShares iBonds Dec 2031 Term Treasury ETF

$20.05+0.10% today
19.952152-WK

The fund seeks to meet its investment objective generally by investing in individual securities which satisfy the criteria of the underlying index. The underlying index consists of publicly-issued U.S. Treasury securities that are scheduled to mature between January 1, 2031 and December 15, 2031, inclusive. The fund will invest at least 80% of its assets in the component securities of the underlying index.

Price & daily flows
20.620.420.120.05DAILY NET FLOWAug 19Dec 16Apr 17Aug 19

SOURCE: MARKET TAPE & DAILY CREATION/REDEMPTION RECORDS · 3Y SHOWN · NET +$576M OVER THIS RANGE

The desk’s read

Money keeps arriving — +$52M of net buying over the past month, about 7.6% of the fund's asset base, while the price has returned -2.3% so far this year. At 0.070% a year it is not the cheapest way in — AGG runs the same ground at 0.03%.

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

$683Massets under management
0.070%expense ratio · $7 per $10,000 a year
+$52Mnet flow, trailing month
238Kavg daily volume, 30 days
11holdings · US-domiciled
2021listed July 12, 2021 · beta 0.07
The book at a glance
9.0%8.6%8.5%8.5%6.5%4.4%4.3%4.3%4.3%4.3%4.2%4.2%4.2%4.1%4.1%3.9%3.9%3.8%3.7%

CELL SIZE IS PORTFOLIO WEIGHT · COLOR IS TODAY’S MOVE · TOP 40 POSITIONS

HoldingsDownload CSV
#HoldingWeightPriceDay52-wk
1TREASURY NOTE9.02%
2TREASURY NOTE8.62%
3TREASURY NOTE8.52%
4TREASURY NOTE8.47%
5TREASURY NOTE6.51%
6TREASURY NOTE4.39%
7TREASURY NOTE4.34%
8TREASURY NOTE4.33%
9TREASURY NOTE4.32%
10TREASURY NOTE4.28%
11TREASURY NOTE4.24%
12TREASURY NOTE4.21%
13TREASURY NOTE4.18%
14TREASURY NOTE4.13%
15TREASURY NOTE (OTR)4.07%

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Sector weights
Treasury99.79%
Cash and/or Derivatives0.22%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Performance
1 week+0.3%
1 month-0.2%
3 months-0.2%
6 months-3.1%
YTD-2.3%
1 year
3 years

PRICE RETURN, DISTRIBUTIONS NOT REINVESTED

Net flows
1 week+$10M
1 month+$52M
3 months+$127M
YTD+$243M
1 year+$286M

CREATION/REDEMPTION DOLLARS, DAILY RECORDS

Monthly net flows
AugSepOctNovDecJanFebMarAprMayJulAug
DAILY CREATION/REDEMPTION RECORDS, TRAILING TWELVE MONTHS
The risk read
3%realized volatility, 30 days (annualized)
4%realized volatility, 1 year
-4.1%deepest fall from a peak, 1 year
-3.7%where it sits vs. that peak today

The top holding is 9.0% of the book; the top ten carry 63%. Spread across 21+ names, it behaves like roughly 17 equally-weighted positions.

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

The case against IBTL

Due diligence cuts both ways. These funds sit on the same shelf and beat IBTL 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%$16B+$288M-4bp on fee · 23× the assets · +$288M in over the monthHead-to-head
MBB iShares MBS ETF0.04%$39B+$26M-3bp on fee · 57× the assets · +$26M in over the monthHead-to-head
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF0.04%$23.4B+$520M-3bp on fee · 34× the assets · +$520M in over the monthHead-to-head
IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF0.04%$18.7B+$312M-3bp on fee · 27× the assets · +$312M in over the monthHead-to-head
MUB iShares National Muni Bond ETF0.05%$45.8B+$585M-2bp on fee · 67× the assets · +$585M in over the monthHead-to-head
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InstrumentsHarvest substitutesTrade cost at $1MClient tearsheetStress this fund
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