Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IGSB vs VGLT: how they differ
IGSB and VGLT hold 0% of their weight in the same names, and IGSB returned more over the year.
iShares 1-5 Year Investment Grade Corporate Bond ETF and Vanguard Long-Term Treasury Index Fund.
What they hold in common
By the books each fund has filed, IGSB and VGLT hold 0% of their money in the same securities at the same weight.
| Only in IGSB | Only in VGLT |
|---|---|
| BLK CSH FND TREASURY SL AGENCY 0.56% | JPMorgan Chase & Co 0.62% |
| EAGLE FUNDING LUXCO S. R.L. 144A 0.29% | Mexico Government International Bond 0.50% |
| SPACE EXPLORATION TECHNOLOGIES COR 144A 0.15% | United States Treasury Note/Bond 0.49% |
| DEUTSCHE TELEKOM INTERNATIONAL FIN 0.10% | United States Treasury Note/Bond 0.48% |
| BAYER US FINANCE II LLC 144A 0.09% | United States Treasury Note/Bond 0.48% |
| JPMORGAN CHASE & CO MTN 0.09% | Mexico Government International Bond 0.48% |
| GOLDMAN SACHS BANK USA (FXD-FRN) 0.08% | United States Treasury Note/Bond 0.44% |
| GOLDMAN SACHS GROUP INC/THE MTN 0.08% | Province of British Columbia Canada 0.43% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Apr 30, 2026 and Sep 10, 2026.
| IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF | VGLT Vanguard Long-Term Treasury Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | 1-5 Year Investment Grade Corporate Bond | Long-term Treasury |
| Total return, 1 year | +1.7% | −5.4% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −15.8 pts | −22.9 pts |
| Expense ratio | 0.04% | not published |
| Holdings | 4496 | 1703 |
IGSB in plain words
IGSB is a bond fund tracking the 1-5 Year Investment Grade Corporate Bond. Over the year to Sep 11, 2026 it returned +1.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.04% a year.
VGLT in plain words
VGLT is a bond fund tracking the Long-term Treasury. Over the year to Sep 11, 2026 it returned −5.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. It sat 39.2% below its high of Aug 4, 2020 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IGSB or VGLT?
- In the year to Sep 13, 2026, with distributions reinvested, IGSB returned +1.7% and VGLT returned −5.4%, so IGSB returned more. One year is one year; the longer windows are in the table.
Other comparisons
Where to next
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, IGSB against VGLT, data as of Sep 13, 2026. https://etfiq.com/compare/any/igsb-vs-vglt Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources