Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IGSB vs VBK: how they differ
IGSB and VBK hold 0% of their weight in the same names, and VBK returned more over the year.
iShares 1-5 Year Investment Grade Corporate Bond ETF and Vanguard Small-Cap Growth Index Fund.
What they hold in common
By the books each fund has filed, IGSB and VBK hold 0% of their money in the same securities at the same weight.
| Only in IGSB | Only in VBK |
|---|---|
| EAGLE FUNDING LUXCO SARL 0.31% | Credo Technology Group Holding Ltd 1.27% |
| T-MOBILE USA INC 0.18% | REVOLUTION Medicines Inc 1.07% |
| BANK OF AMERICA CORP 0.16% | Astera Labs Inc 1.05% |
| ABBVIE INC 0.14% | Natera Inc 1.04% |
| AMAZON.COM INC 0.13% | Twilio Inc 0.88% |
| CVS HEALTH CORP 0.13% | Casey's General Stores Inc 0.83% |
| BOEING CO 0.12% | Carpenter Technology Corp 0.82% |
| MARS INC 0.12% | Curtiss-Wright Corp 0.79% |
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 Jun 30, 2026 and May 31, 2026.
| IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF | VBK Vanguard Small-Cap Growth Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | 1-5 Year Investment Grade Corporate Bond | Small-Cap Growth |
| Total return, 1 year | +1.7% | +13.8% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −15.8 pts | −3.7 pts |
| Expense ratio | 0.04% | 0.05% |
| Holdings | 4606 | 545 |
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.
VBK in plain words
VBK is an index equity fund tracking the Small-Cap Growth. Over the year to Sep 11, 2026 it returned +13.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. By its holdings filed for Jun 30, 2026, 10% of the fund by weight is stocks the S&P 500 also holds, across 545 positions, with the top ten at 9.3%. It sat 7.0% below its high of Aug 17, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IGSB or VBK?
- In the year to Sep 12, 2026, with distributions reinvested, IGSB returned +1.7% and VBK returned +13.8%, so VBK returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IGSB or VBK?
- IGSB charges 0.04% a year and VBK charges 0.05%, so IGSB is cheaper. Fees come from each fund's prospectus.
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 VBK, data as of Sep 12, 2026. https://etfiq.com/compare/any/IGSB-VBK Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources