Data as of Oct 28, 2026.

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IBDU vs IGSB: Differences, Returns & Fees

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IBDU's duration was 2.6 years on Jul 31, 2026 and IGSB's 2.7 on Aug 31, 2026; IGSB charges 0.04% to IBDU's 0.10%.

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Net assets: $4.0bn on Oct 27, 2026 for iShares iBonds Dec 2029 Term Corporate ETF, and $23.7bn on Oct 28, 2026 for iShares 1-5 Year Investment Grade Corporate Bond ETF.

At a glance
+1.3%
IBDU total return, 1 year
+1.3%
IGSB total return, 1 year
0.10%
IBDU expense ratio
0.04%
IGSB expense ratio

Pair scorecard

IGSB costs 0.06 points a year less; both returned +1.3% over a year; IGSB is 5.9 times larger.

IBDU vs IGSB: Differences, Returns & Fees
MeasureIBDUIGSB
Return
Total return, 1 year+1.3%+1.3%
Benchmark
What it tracksBloomberg December 2029 Maturity Corporate IndexICE BofA 1-5 Year US Corporate Index
Cost and size
Expense ratio0.10%0.04%
Net assets, as of Oct 26, 2026$4.0bn$23.7bn
Holdings
Holdings in common13%

Holdings in common uses holdings dated Jul 31, 2026 and Aug 31, 2026. Method

Risk and return

Sep 27, 2019 to Oct 23, 2026 · 369 weekly returns
IBDU IGSB
Return
Total return edge IGSB +16.3% +20.2%
Annualized edge IGSB +2.1% +2.6%
Price return edge IGSB −10.3% −4.0%
Risk
Volatility edge IGSB 8.3% 5.2%
Max drawdown edge IGSB −18.9% −11.6%
Risk-adjusted
Sharpe edge IGSB −0.05 −0.03
Sortino edge IGSB −0.06 −0.05
Calmar edge IGSB 0.11 0.23
Reading

IGSB returned more: +20.2% to +16.3%. IGSB swung less: 5.2% to 8.3%. IGSB fell less at its worst: −11.6% to −18.9%.

Full scorecard

9 measures, with how each is measured
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Risk and return: IBDU vs IGSB: Differences, Returns & Fees
MeasureIBDUIGSBEdgeHow it is measured
Return
Total return+16.3%+20.2%IGSBPrice change plus distributions, reinvested.
Annualized+2.1%+2.6%IGSBTotal return as a yearly rate.
Price return−10.3%−4.0%IGSBPrice change alone, distributions left out.
Risk
Volatility8.3%5.2%IGSBSpread of weekly returns, annualized. Lower is steadier.
Downside deviation6.4%3.7%IGSBLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−18.9%−11.6%IGSBDeepest fall from a high to the low after it.
Risk-adjusted
Sharpe−0.05−0.03IGSBReturn above Treasury bills per unit of volatility.
Sortino−0.06−0.05IGSBReturn above Treasury bills per unit of downside deviation.
Calmar0.110.23IGSBAnnualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 369 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

13%

By the books each fund has filed, IBDU and IGSB hold 13% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Aug 31, 2026.

0 half 100%

half

13% in common

Positions both hold · largest shared weight first IBDU IGSB
AbbVie Inc, due Nov 21, 2029 0.97% 0.13%
Salesforce Inc, due Mar 15, 2029 0.73% 0.11%
Verizon Communications Inc, due Dec 3, 2029 0.63% 0.08%
International Business Machines Corp, due May 15, 2029 0.61% 0.08%
AT&T Inc, due Mar 1, 2029 0.58% 0.08%
Oracle Corp, due Feb 4, 2029 0.58% 0.08%
NVIDIA Corp, due Jun 15, 2029 0.56% 0.07%
Amazon.com Inc, due Mar 13, 2029 0.58% 0.07%
Anheuser-Busch InBev Worldwide Inc, due Jan 23, 2029 0.56% 0.07%
Fiserv Inc, due Jul 1, 2029 0.57% 0.07%
Amazon.com Inc, due Jul 9, 2029 0.49% 0.07%
Fidelity National Information Services Inc, due Mar 10, 2029 0.32% 0.06%
Only in one fund ↓
Only in IBDU
Honeywell Aerospace Inc, due Mar 16, 2029 0.28%
Intercontinental Exchange Inc, due Jun 15, 2029 0.25%
Tyson Foods Inc, due Mar 15, 2029 0.12%
Oncor Electric Delivery Co LLC, due Mar 15, 2029 0.06%
American Airlines 2017-1 Class AA Pass Through Trust, due Feb 15, 2029 0.04%
American Airlines 2017-2 Class AA Pass Through Trust, due Oct 15, 2029 0.03%
Barings Private Credit Corp, due Feb 6, 2029 0.02%
Only in IGSB
Eagle Funding Luxco Sarl, due Aug 17, 2030 0.29%
T-Mobile USA Inc, due Apr 15, 2030 0.17%
Space Exploration Technologies Corp, due Jul 15, 2031 0.15%
Bank of America Corp, due Dec 20, 2028 0.14%
Amazon.com Inc, due Mar 13, 2031 0.13%
Mars Inc, due Mar 1, 2030 0.12%
CVS Health Corp, due Mar 25, 2028 0.12%
Amazon.com Inc, due Jul 9, 2031 0.12%
Check overlap with more funds →

Side by side

IBDU iShares iBonds Dec 2029 Term Corporate ETF IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index Tracks an index of 1-5 Year Investment Grade Corporate Bond
Total return, 1 year +1.3% +1.3%
Its benchmark over the same days −1.2% (IUSB) not measured
Gap to its benchmark +2.5 pts vs IUSB not measured
Expense ratio 0.10% 0.04%
Holdings 729 4781
Net assets, IBDU as of Oct 27, 2026 and IGSB as of Oct 28, 2026 $4.0bn $23.7bn

IBDU and IGSB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-2A5EB60999

IBDU and IGSB are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. IBDU follows Bloomberg December 2029 Maturity Corporate Index and IGSB follows ICE BofA 1-5 Year US Corporate Index.
  2. Holdings in common. 13% of the weight is in the same securities (holdings dated Jul 31, 2026 and Aug 31, 2026).
  3. Number of holdings. IBDU holds 729 positions and IGSB holds 4781.

Data as of Oct 28, 2026.

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About each fund
IBDU

IBDU tracks an index. Over the year to Oct 28, 2026 it returned +1.3% with distributions reinvested, against −1.2% for its benchmark, the Bloomberg U.S. Universal Index. The prospectus expense ratio is 0.10% a year.

IGSB

IGSB tracks an index of 1-5 Year Investment Grade Corporate Bond. Over the year to Oct 28, 2026 it returned +1.3% with distributions reinvested. The prospectus expense ratio is 0.04% a year.

Questions people ask

Which returned more over the last year, IBDU or IGSB?
In the year to Oct 28, 2026, with distributions reinvested, IBDU returned +1.3% and IGSB +1.3%.
Which is cheaper, IBDU or IGSB?
IGSB is cheaper, by 0.06 percentage points a year. That is about $6 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, IBDU against IGSB, data as of Oct 28, 2026. https://etfiq.com/compare/any/ibdu-vs-igsb

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