BTEK holdings
As of , BTEK (iShares NASDAQ US Biotechnology UCITS ETF, ISIN IE00BYXG2H39) has 244 holdings on our record. The fund reports 250 positions in all. Weights are shares of the whole fund.
- Holdings
- 244
- 250 reported in all
- Ten largest
- 48.5%
- of the whole fund
- Effective number of holdings
- 29
- As concentrated as this many equal-sized holdings (how it is worked out)
- Largest holding
- 9.0%
- Gilead Sciences
What changed since 30/10/2026
The portfolio on 06/11/2026 compared with the previous month-end, 30/10/2026: the holdings that entered or left, the largest moves in weight and the shift between sectors.
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More:BTEK: key facts, returns and chargesCompare what it holds with another fundHoldings overlapHow overlap is measured
Holdings and weights are as published on 06/11/2026 and change as the fund trades. This is information, not advice.