iShares Biotechnology ETF
Twelve months
- Assets under management
- $10.7B
- Expense ratio
- 0.44%
- Holdings
- 247
- NAV
- $213.81
- Inception
- Feb 4, 2001
- Issuer
- IShares
- Asset class
- Equity
- Exchange
- —
- Average volume
- 1.5M
- Volume
- —
- 50-day average
- —
- 200-day average
- —
- Day range
- —
- Previous close
- —
- Domicile
- US
- Official page
- ishares.com
About this fund
The iShares Biotechnology ETF (IBB) is designed to mirror the investment performance of a specific market index. This index comprises publicly traded stocks from companies operating within the U.S. biotechnology sector.
Sector exposure
- Healthcare100.00%
Top holdings
Largest positions by weight. Each links to its own stock page.
- 1AMGNAMGEN INC8.55%
- 2VRTXVERTEX PHARMACEUTICALS8.04%
- 3GILDGILEAD SCIENCES7.33%
- 4REGNREGENERON PHARMACEUTICALS5.85%
- 5MRNAMODERNA3.94%
- 6ARGXARGENX SE ADR3.76%
- 7NTRANATERA3.08%
- 8RVMDREVOLUTION MEDICINES2.81%
- 9ALNYALNYLAM PHARMACEUTICALS2.30%
- 10BIIBBIOGEN2.22%
- 11ILMNILLUMINA INC2.20%
- 12ONCBEONE MEDICINES AG2.01%
- 13INSMINSMED1.84%
- 14INCYINCYTE CORP1.74%
- 15UTHRUNITED THERAPEUTICS1.48%
- 16ROIVROIVANT SCIENCES LTD1.25%
- 17GMABGENMAB SPONSORED ADR1.22%
- 18ASNDASCENDIS PHARMA1.13%
- 19NBIXNEUROCRINE BIOSCIENCES1.09%
- 20EXELEXELIXIS INC0.97%
- 21CRLCHARLES RIVER LABORATORIES INTERNA0.95%
- 22MEDPMEDPACE HOLDINGS0.94%
- 23BBIOBRIDGEBIO PHARMA0.91%
- 24HALOHALOZYME THERAPEUTICS0.89%
- 25BMRNBIOMARIN PHARMACEUTICAL0.87%
Similar funds
All ETFs →Questions
What does IBB hold?
IBB is iShares Biotechnology ETF, run by IShares and listed in the US. It currently holds 247 positions; the largest are AMGN, VRTX, GILD.
What is the expense ratio of IBB?
IBB charges 0.44% per year. The fee is taken out of the fund's assets, so it shows up as a small drag on performance rather than as a separate bill.
How large is IBB?
The fund manages $10.7B. Size matters mainly for liquidity: larger funds tend to trade with tighter spreads and are less likely to be closed by the issuer.
How do I research what is inside IBB?
The holdings list on this page links every position to its own Plutux stock page, where you get the company's price history, financials and AI analysis.
Market data is provided for information only and is not investment advice. Figures can be delayed or restated by the data provider.
Plutux is not an investment adviser. Market data and AI-generated analysis are for information and education only, not investment advice. Disclaimer