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Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

VBK vs VXF: how they differ

VBK and VXF hold 40% of their weight in the same names.

Vanguard Small-Cap Growth Index Fund and Vanguard Extended Market Index Fund.

What they hold in common

By the books each fund has filed, VBK and VXF hold 40% of their money in the same securities at the same weight.

Positions VBK and VXF both hold, largest shared weight first
HoldingVBKVXF
Astera Labs Inc1.05%0.76%
Credo Technology Group Holding Ltd1.27%0.52%
Natera Inc1.04%0.46%
REVOLUTION Medicines Inc1.07%0.44%
Twilio Inc0.88%0.37%
Carpenter Technology Corp0.82%0.36%
MKS Instruments Inc0.42%0.35%
Curtiss-Wright Corp0.79%0.33%
FTAI Aviation Ltd0.78%0.33%
Entegris Inc0.77%0.32%
nVent Electric PLC0.77%0.32%
ATI Inc0.76%0.32%
Largest positions each one holds and the other does not
Only in VBKOnly in VXF
Casey's General Stores Inc 0.83%Space Exploration Technologies Corp 1.19%
Incyte Corp 0.54%Snowflake Inc 1.03%
EMCOR Group Inc 0.52%Bloom Energy Corp 0.93%
Lennox International Inc 0.51%Cloudflare Inc 0.92%
Generac Holdings Inc 0.49%Rocket Lab Corp 0.61%
Nordson Corp 0.45%Cheniere Energy Inc 0.59%
Deckers Outdoor Corp 0.39%Ferguson Enterprises Inc 0.54%
PTC Inc 0.37%Alnylam Pharmaceuticals Inc 0.47%

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 and VXF on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
VBK
Vanguard Small-Cap Growth Index Fund
VXF
Vanguard Extended Market Index Fund
Where it sitsCore index fundCore index fund
IssuerVanguardVanguard
What it isSmall-Cap GrowthExtended Market
Total return, 1 year+13.8%+14.1%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−3.7 pts−3.4 pts
Expense ratio0.05%0.05%
Already in the S&P 50010.2%0.0%
Holdings5453365

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.

VXF in plain words

VXF is an index equity fund tracking the Extended Market. Over the year to Sep 11, 2026 it returned +14.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 3365 positions, with the top ten at 7.6%. It sat 5.1% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, VBK or VXF?
In the year to Sep 12, 2026, with distributions reinvested, VBK returned +13.8% and VXF returned +14.1%, so VXF returned more. One year is one year; the longer windows are in the table.
Which is cheaper, VBK or VXF?
VBK charges 0.05% a year and VXF charges 0.05%, so VBK is cheaper. Fees come from each fund's prospectus.
How much do VBK and VXF overlap with the S&P 500?
By their latest filed holdings, 10% of VBK and 0% of VXF by weight is stocks the S&P 500 already holds. Between the two funds, 40% of their books are the same securities at the same weight.

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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.

VBK against VXF, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, VBK against VXF, data as of Sep 12, 2026. https://etfiq.com/compare/any/VBK-VXF Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources