Data as of Oct 28, 2026.

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VXF vs XBI: Differences, Returns & Fees

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Over the year to Oct 28, 2026, VXF returned +10.6% to XBI's +41.2%, and VXF charges 0.05% to XBI's 0.35%.

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Net assets: $30.2bn on Sep 30, 2026 for Vanguard Extended Market ETF, and $10.3bn on Oct 27, 2026 for State Street SPDR S&P Biotech ETF.

At a glance
+10.6%
VXF total return, 1 year
+41.2%
XBI total return, 1 year
0.05%
VXF expense ratio
0.35%
XBI expense ratio

Pair scorecard

VXF costs 0.30 points a year less; their one-year returns differ by 30.6 points; VXF is 2.9 times larger.

VXF vs XBI: Differences, Returns & Fees
MeasureVXFXBI
Return
Total return, 1 year+10.6%+41.2%
Drawdown
Below its high6.6%, high on Aug 14, 2026
Below its all-time high8.9%, high on Feb 8, 2021
Benchmark
What it tracksS&P Completion IndexBiotech
Cost and size
Expense ratio0.05%0.35%
Net assets, as of Sep 30, 2026$30.2bn$10.4bn
Active share vs the S&P 50098%
Holdings
Holdings in common7%
Top ten holdings, share of the fund11.3%18%

Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method

What they share

7%

By the books each fund has filed, VXF and XBI hold 7% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.

0 half 100%

half

7% in common

Positions both hold · largest shared weight first VXF XBI
Natera Inc 0.72% 1.82%
Revolution Medicines Inc 0.51% 1.31%
Alnylam Pharmaceuticals Inc 0.40% 1.29%
Insmed Inc 0.30% 1.08%
United Therapeutics Corp 0.28% 1.71%
Roivant Sciences Ltd 0.24% 1.28%
Exelixis Inc 0.17% 1.64%
Neurocrine Biosciences Inc 0.17% 1.38%
Twist Bioscience Corp 0.15% 1.86%
Halozyme Therapeutics Inc 0.15% 1.75%
BioMarin Pharmaceutical Inc 0.14% 1.26%
Bridgebio Pharma Inc 0.14% 1.33%
Only in one fund ↓
Only in VXF
Space Exploration Technologies Corp 2.50%
SLCMT1142 2.26%
Snowflake Inc 1.42%
Cloudflare Inc 1.35%
Strategy Inc 0.67%
Astera Labs Inc 0.67%
Cheniere Energy Inc 0.67%
Twilio Inc 0.54%
Only in XBI
MODERNA INC 2.24%
BIOGEN INC 1.75%
AMGEN INC 1.68%
ABBVIE INC 1.67%
GILEAD SCIENCES INC 1.60%
REGENERON PHARMACEUTICALS 1.48%
VERTEX PHARMACEUTICALS INC 1.46%
INCYTE CORP 1.35%
Check overlap with more funds →

Side by side

VXF Vanguard Extended Market ETF XBI State Street SPDR S&P Biotech ETF
Where it sits Stock ETF Thematic ETF
What it is Tracks an index of Extended Market Biotech
Total return, 1 year +10.6% +41.2%
Expense ratio 0.05% 0.35%
Already in the S&P 500 0.0% 13.2%
Holdings 3361 165
Net assets, VXF as of Sep 30, 2026 and XBI as of Oct 27, 2026 $30.2bn $10.3bn

VXF and XBI on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

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About each fund
VXF

VXF tracks an index of Extended Market. Over the year to Oct 28, 2026 it returned +10.6% with distributions reinvested. The prospectus expense ratio is 0.05% a year. By its holdings published by its issuer as of Sep 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 3,361 positions, with the top ten at 11.3%. It sat 6.6% below its high of Aug 14, 2026 on Oct 28, 2026.

XBI

By weight, 13% of XBI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 18% of the fund across 165 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +41.2% with distributions reinvested. It sits 8.9% below its all-time high of Feb 8, 2021.

Questions people ask

Are VXF and XBI in the same category?
VXF is a stock ETF and XBI is a thematic ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
Which returned more over the last year, VXF or XBI?
In the year to Oct 28, 2026, with distributions reinvested, VXF returned +10.6% and XBI +41.2%.
Which is cheaper, VXF or XBI?
VXF is cheaper, by 0.30 percentage points a year. That is about $30 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do VXF and XBI overlap with the S&P 500?
By their latest filed holdings, 0% of VXF and 13% of XBI by weight is stocks the S&P 500 already holds.
Other comparisons
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ETFIQ, VXF against XBI, data as of Oct 28, 2026. https://etfiq.com/compare/any/vxf-vs-xbi

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