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
Largest holdings
| Rank by weight# | Holding | Weight as a percentage of the fund |
|---|---|---|
| 1 | Gilead SciencesGILDHealth Care | 8.96% |
| 2 | AmgenAMGNHealth Care | 8.40% |
| 3 | Vertex PharmaceuticalsVRTXHealth Care | 7.88% |
| 4 | ModernaMRNAHealth Care | 6.52% |
| 5 | Regeneron PharmaceuticalsREGNHealth Care | 5.88% |
| 6 | Revolution MedicinesRVMDHealth Care | 2.65% |
| 7 | BiogenBIIBHealth Care | 2.36% |
| 8 | IlluminaILMNHealth Care | 2.07% |
| 9 | Royalty Pharma · Class ARPRXHealth Care | 1.93% |
| 10 | Roivant SciencesROIVHealth Care | 1.81% |
The fund also holds 9 positions of under 0.005% each, about 0.0% of the fund together. They are not listed one by one.
All holdings
The fund publishes 250 holdings; the ten largest make up 48.5% of it.
Create a free account to see the full holdings list
Sign-up takes an email address. There is no card to enter and nothing to pay.
As of , holdings as published
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.