Data as of Oct 28, 2026.
AGG vs IGSB: Differences, Returns & Fees
On Aug 31, 2026 AGG's duration was 5.8 years and IGSB's 2.7; AGG charges 0.03% to IGSB's 0.04%.
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askIQ about AGG and IGSBNet assets: $139.4bn on Oct 27, 2026 for iShares Core U.S. Aggregate Bond ETF, and $23.7bn on Oct 28, 2026 for iShares 1-5 Year Investment Grade Corporate Bond ETF.
Pair scorecard
AGG costs 0.01 points a year less; their one-year returns differ by 2.7 points; AGG is 5.9 times larger.
| Measure | AGG | IGSB |
|---|---|---|
| Return | ||
| Total return, 1 year | −1.4% | +1.3% |
| Drawdown | ||
| Below its high | 3.4%, high on Aug 4, 2020 | |
| Benchmark | ||
| What it tracks | Bloomberg U.S. Aggregate Bond Index | ICE BofA 1-5 Year US Corporate Index |
| Cost and size | ||
| Expense ratio | 0.03% | 0.04% |
| Net assets, as of Oct 26, 2026 | $139.3bn | $23.7bn |
| Holdings | ||
| Holdings in common | 10% | |
Holdings in common uses holdings dated Aug 31, 2026. Method
Risk and return
Jan 19, 2007 to Oct 23, 2026 · 1,031 weekly returnsAGG returned slightly more: +76.3% to +72.0%. IGSB swung less: 4.3% to 5.3%. IGSB fell less at its worst: −11.6% to −18.2%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | AGG | IGSB | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +76.3% | +72.0% | AGG (slight) | Price change plus distributions, reinvested. |
| Annualized | +2.9% | +2.8% | AGG (slight) | Total return as a yearly rate. |
| Price return | −3.9% | +2.8% | IGSB | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 5.3% | 4.3% | IGSB | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 4.0% | 3.3% | IGSB | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −18.2% | −11.6% | IGSB | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.26 | 0.29 | IGSB (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 0.35 | 0.38 | IGSB (slight) | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.16 | 0.24 | IGSB | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,031 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, AGG and IGSB hold 10% of their money in the same securities at the same weight. Holdings dated Aug 31, 2026.
half
10% in common
Only in one fund ↓
Side by side
AGG and IGSB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
AGG and IGSB do different jobs. What does each one do in a portfolio?
- What each follows. AGG follows Bloomberg U.S. Aggregate Bond Index and IGSB follows ICE BofA 1-5 Year US Corporate Index.
- Holdings in common. 10% of the weight is in the same securities (holdings dated Aug 31, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 AGG returned −1.4% and IGSB +1.3% with distributions reinvested, a gap of 2.7 points.
Data as of Oct 28, 2026.
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AGG
AGG tracks an index of US aggregate bonds. Over the year to Oct 28, 2026 it returned −1.4% with distributions reinvested, against −1.3% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.03% a year. It sat 3.4% below its high of Aug 4, 2020 on Oct 28, 2026.
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, AGG or IGSB?
- In the year to Oct 28, 2026, with distributions reinvested, AGG returned −1.4% and IGSB +1.3%.
- Which is cheaper, AGG or IGSB?
- AGG is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.
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How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
Cite this pageCitation, APA and Markdown
ETFIQ, AGG against IGSB, data as of Oct 28, 2026. https://etfiq.com/compare/any/agg-vs-igsb
ETFIQ. (Oct 28, 2026). AGG against IGSB. Retrieved from https://etfiq.com/compare/any/agg-vs-igsb
[AGG against IGSB (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/agg-vs-igsb)
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