IBBiShares Biotechnology ETF
ETF · iSHARES TRUST
The fund
Holdings as of Jun 30, 2026, filed with the SEC.
net assets, all share classes
yearly cost, from the prospectus
positions on file
Growth of $100
Total return with dividends reinvested, month by month since July 2019.
last 12 months
a year, over 3 years
a year, over 5 years
Largest holdings
The top 10 issuers of 252 positions, by share of the fund. Under each, about how much of the company the fund owns.
- BlackRock Funds IIICash and short-term
- 12.0%
Where it owns the most
The companies of which IBB alone owns the largest share, from its holdings and each company's share count.
- HALOHalozyme Therapeutics, Inc.0.7% of the fund0.7% of the company
- ADMAADMA Biologics, Inc.0.1% of the fund0.7% of the company
- ZYMEZymeworks Inc.0.1% of the fund0.7% of the company
- ZVRAZevra Therapeutics, Inc.0.1% of the fund0.7% of the company
- TECHBio-Techne0.9% of the fund0.7% of the company
- VCELVericel Corporation0.2% of the fund0.7% of the company
Most alike
The funds whose stock holdings overlap most with IBB's: stock by stock, the smaller of the two weights, added up.
The closest is XBI (State Street SPDR S&P Biotech ETF): 40%of the two funds’ stock holdings are the same.
- XBIState Street SPDR S&P Biotech ETF0.35% a year40% in common
- VHTVanguard Health Care ETF0.09% a year17% in common
- IWOiShares Russell 2000 Growth ETF0.24% a year14% in common
- VBKVanguard Small-Cap Growth ETF0.05% a year12% in common
- XLVState Street Health Care Select Sector SPDR ETF0.08% a year11% in common
- IWMiShares Russell 2000 ETF0.19% a year9.6% in common
IBB costs 0.44% a year. Overlap counts only the stocks we can match to a listing; bonds, cash and unmatched foreign shares are left out. Every group of near-identical funds and what each costs.
Sectors
The stocks we can place, by sector.
- Healthcare96.8%
Countries
Where the holdings are, by share of the fund.
- United States96.4%
- Netherlands4.3%
- Denmark2.4%
- Switzerland2.2%
- Bermuda1.4%
- Canada1.2%
- Cayman Islands0.9%
- Ireland0.8%
- France0.7%
- Germany0.7%
What it holds
By kind of asset.
- Stocks99.9%
- Cash and short-term12.0%
From the fund’s Form N-PORT for June 2026 (filed Aug 25, 2026) and its prospectus, via the SEC’s public data sets. Shares of net assets can sum above 100% where a fund holds cash collateral or derivatives.