Data as of Oct 28, 2026.

vsCompare their flowsaskIQ about these two fundsAsk the committee about these two funds
Across categories

IBB vs VXUS: Differences, Returns & Fees

Share
Share on XDownload as PDF

Over the year to Oct 28, 2026, IBB returned +37.5% to VXUS's +13.8%, and VXUS charges 0.05% to IBB's 0.44%.

askIQ about this page

askIQ about IBB and VXUS

Net assets: $11.0bn on Oct 27, 2026 for iShares Biotechnology ETF, and $163.2bn on Sep 30, 2026 for Vanguard Total International Stock ETF.

At a glance
+37.5%
IBB total return, 1 year
+13.8%
VXUS total return, 1 year
0.44%
IBB expense ratio
0.05%
VXUS expense ratio

Pair scorecard

VXUS costs 0.39 points a year less; their one-year returns differ by 23.7 points; VXUS is 14.6 times larger.

IBB vs VXUS: Differences, Returns & Fees
MeasureIBBVXUS
Return
Total return, 1 year+37.5%+13.8%
Drawdown
Below its high5.1%, high on Sep 4, 2026
Benchmark
What it tracksBiotechFTSE Global All Cap ex US Index
Cost and size
Expense ratio0.44%0.05%
Net assets, as of Sep 30, 2026$11.2bn$163.2bn
Active share vs the S&P 50099%
Holdings
Holdings in common0%
Top ten holdings, share of the fund50%14.6%

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

What they share

0%

By the books each fund has filed, IBB and VXUS hold 0% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first IBB VXUS
ARGENX SE ADR 3.42% 0.14%
BEONE MEDICINES AG 2.15% 0.05%
GENMAB SPONSORED ADR 1.72% 0.05%
EMERGENT BIOSOLUTIONS 0.02% 0.09%
ABIVAX AMERICAN DEPOSITARY SHARES 0.44% 0.02%
10X GENOMICS CLASS A 0.63% 0.01%
CHARLES RIVER LABORATORIES INTERNA 1.18% 0.00%
LAKEFRONT BIOTHERAPEUTICS ADR NV 0.10% 0.00%
ALVOTECH SA 0.06% 0.00%
AURA BIOSCIENCES 0.03% 0.00%
CARIS LIFE SCIENCES 0.30% 0.00%
AKERO THERAPEUTICS CVR 0.00% 0.01%
Only in one fund ↓
Only in IBB
GILEAD SCIENCES 8.56%
AMGEN INC 8.20%
VERTEX PHARMACEUTICALS 7.53%
REGENERON PHARMACEUTICALS 5.64%
MODERNA 5.29%
NATERA 3.85%
ILLUMINA INC 2.93%
BIOGEN 2.58%
Only in VXUS
Taiwan Semiconductor Manufacturing Co Ltd 4.27%
Samsung Electronics Co Ltd 2.03%
SK hynix Inc 1.67%
SLCMT1142 1.66%
ASML Holding NV 1.55%
Tencent Holdings Ltd 0.76%
HSBC Holdings PLC 0.76%
Roche Holding AG 0.66%
Check overlap with more funds →

Side by side

IBB iShares Biotechnology ETF VXUS Vanguard Total International Stock ETF
Where it sits Thematic ETF Stock ETF
What it is Biotech Tracks an index of Total International Stock
Total return, 1 year +37.5% +13.8%
Expense ratio 0.44% 0.05%
Already in the S&P 500 40.2% 0.0%
Holdings 245 8913
Net assets, IBB as of Oct 27, 2026 and VXUS as of Sep 30, 2026 $11.0bn $163.2bn

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

Alert

IBB flows, by email on Sundays.

One-click unsubscribe. See Privacy.

About each fund
IBB

By weight, 40% of IBB's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 50% of the fund across 245 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +37.5% with distributions reinvested.

VXUS

VXUS tracks an index of Total International Stock. Over the year to Oct 28, 2026 it returned +13.8% 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 8,913 positions, with the top ten at 14.6%. It sat 5.1% below its high of Sep 4, 2026 on Oct 28, 2026.

Questions people ask

Are IBB and VXUS in the same category?
IBB is a thematic ETF and VXUS is a stock ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
Which returned more over the last year, IBB or VXUS?
In the year to Oct 28, 2026, with distributions reinvested, IBB returned +37.5% and VXUS +13.8%.
Which is cheaper, IBB or VXUS?
VXUS is cheaper, by 0.39 percentage points a year. That is about $39 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IBB and VXUS overlap with the S&P 500?
By their latest filed holdings, 40% of IBB and 0% of VXUS by weight is stocks the S&P 500 already holds.
Other comparisons
Cite this pageCitation, APA and Markdown

ETFIQ, IBB against VXUS, data as of Oct 28, 2026. https://etfiq.com/compare/any/ibb-vs-vxus

Open data →

Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.