IBB
iShares Biotechnology ETF
The largest biotechnology ETF tracking the ICE Biotechnology Index. High risk/reward profile with exposure to drug development pipelines. More concentrated and volatile than broad healthcare (XLV). Pairs with XBI for different biotech weighting approaches.
EquityTER 0.44%Dist.US-domiciled
TER
0.44%
AUM
$6B
Holdings
~270
Data Range
— → —
Key Facts
ISIN
US4642875565
Issuer
BlackRock
Benchmark
ICE Biotechnology Index
Total Expense Ratio (TER)
0.44%
Assets Under Management
$6B approx.
Inception Date
2001-02-05
Domicile
US
Legal Structure
Open-End Fund
Dividend Policy
Distributing (pays dividends)
Replication Method
Physical (Full Replication)
UCITS Status
✗ Not UCITS
Fund Currency
USD
Primary Exchange
Nasdaq
Number of Holdings
~270
Top 10 Holdings
Top 10 represent 45.5% of the fund.
1
GILDGilead Sciences
8.20%
2
AMGNAmgen Inc.
8.00%
3
REGNRegeneron Pharma
7.50%
4
VRTXVertex Pharma
7.00%
5
MRNAModerna Inc.
3.50%
6
ILMNIllumina Inc.
2.80%
7
ALNYAlnylam Pharma
2.50%
8
BMRNBioMarin Pharma
2.20%
9
BIIBBiogen Inc.
2.00%
10
SGENSeagen Inc.
1.80%
Equivalent ETFs
These ETFs track the same or very similar underlying index:
Who Is This ETF For?
✓General portfolio building block for the asset class it covers.
Key Risks to Consider
• Market risk: equity values can drop 30-50% in severe bear markets.
• Non-UCITS: may have unfavorable tax treatment for non-US investors (US estate tax, withholding tax).
Similar ETFs
Continue Your Analysis
Data & Methodology
Metadata sourced from official issuer documentation. Price data from Yahoo Finance (monthly adjusted close, includes reinvested dividends and splits). AUM figures are approximate and updated quarterly.
Data source: Yahoo Finance (IBB), iShares (metadata)Last verified: 2026-05-06
Related Guides from FinClaro Chile
How to Invest in S&P 500 from Chile
Compare Chilean, US, and UCITS ETF routes with tax analysis
finclaro.cl
What Is an ETF? Complete Guide
Learn the basics of ETFs, how they work, and why they matter
finclaro.cl
ETF Chile vs International Broker
Compare buying ETFs locally vs through international brokers
finclaro.cl
Related ETFs
Similar ETFs
💬 Frequently Asked Questions
The largest biotechnology ETF tracking the ICE Biotechnology Index. High risk/reward profile with exposure to drug development pipelines. More concentrated and volatile than broad healthcare (XLV). Pairs with XBI for different biotech weighting approaches.
IBB has a total expense ratio (TER) of 0.44%, which means you pay $44 per year for every $10,000 invested.
Yes, IBB is a distributing ETF that pays dividends to shareholders. The frequency depends on the fund's schedule.
IBB is a US-domiciled ETF (not UCITS). Non-US investors should consider the US estate tax implications (40% on US assets above $60,000) and the 30% dividend withholding tax (reduced by treaty in some countries).
IBB uses full physical replication, meaning it holds all (or nearly all) securities in the ICE Biotechnology Index index directly.
Similar ETFs tracking the same or a very similar index include: XBI. These may differ in domicile, currency, dividend policy, or expense ratio.