Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
VBK vs VOO: how they differ
VBK and VOO hold 1% of their weight in the same names, and VOO returned more over the year.
Vanguard Small-Cap Growth Index Fund and Vanguard 500 Index Fund.
What they hold in common
By the books each fund has filed, VBK and VOO hold 1% of their money in the same securities at the same weight.
| Holding | VBK | VOO |
|---|---|---|
| Flex Ltd | 0.42% | 0.09% |
| EMCOR Group Inc | 0.52% | 0.06% |
| EQT Corp | 0.23% | 0.05% |
| Casey's General Stores Inc | 0.83% | 0.05% |
| Hubbell Inc | 0.20% | 0.04% |
| First Solar Inc | 0.34% | 0.04% |
| Texas Pacific Land Corp | 0.36% | 0.04% |
| Incyte Corp | 0.54% | 0.03% |
| Lennox International Inc | 0.51% | 0.03% |
| Generac Holdings Inc | 0.49% | 0.03% |
| Weyerhaeuser Co | 0.24% | 0.03% |
| Albemarle Corp | 0.23% | 0.03% |
| Only in VBK | Only in VOO |
|---|---|
| Credo Technology Group Holding Ltd 1.27% | NVIDIA Corp 7.53% |
| REVOLUTION Medicines Inc 1.07% | Apple Inc 6.61% |
| Astera Labs Inc 1.05% | Microsoft Corp 4.31% |
| Natera Inc 1.04% | Amazon.com Inc 3.63% |
| Twilio Inc 0.88% | Alphabet Inc 3.26% |
| Carpenter Technology Corp 0.82% | Broadcom Inc 2.78% |
| Curtiss-Wright Corp 0.79% | Alphabet Inc 2.60% |
| FTAI Aviation Ltd 0.78% | Micron Technology Inc 2.02% |
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.
| VBK Vanguard Small-Cap Growth Index Fund | VOO Vanguard 500 Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Vanguard | Vanguard |
| What it is | Small-Cap Growth | S&P 500 |
| Total return, 1 year | +13.8% | +17.6% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −3.7 pts | +0.1 pts |
| Expense ratio | 0.05% | 0.03% |
| Already in the S&P 500 | 10.2% | 100.0% |
| Holdings | 545 | 506 |
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.
VOO in plain words
VOO is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 36.5%.
Questions people ask
- Which returned more over the last year, VBK or VOO?
- In the year to Sep 12, 2026, with distributions reinvested, VBK returned +13.8% and VOO returned +17.6%, so VOO returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, VBK or VOO?
- VBK charges 0.05% a year and VOO charges 0.03%, so VOO is cheaper. Fees come from each fund's prospectus.
- How much do VBK and VOO overlap with the S&P 500?
- By their latest filed holdings, 10% of VBK and 100% of VOO by weight is stocks the S&P 500 already holds. Between the two funds, 1% of their books are the same securities at the same weight.
Other comparisons
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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, VBK against VOO, data as of Sep 12, 2026. https://etfiq.com/compare/any/VBK-VOO Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources