Fundology

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.

BTEK: price, returns and charges

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

Map of the largest holdings

The 10 largest holdings of BTEK, together 48.5% of the fund. Each tile’s area is its share of the whole fund; the colour is its sector. Signed-in members can read every holding in the Holdings tab.

Gilead Sciences (GILD): 8.96% of the fund · Health CareGilead Sciences9.0%Amgen (AMGN): 8.40% of the fund · Health CareAmgen8.4%Vertex Pharmaceuticals (VRTX): 7.88% of the fund · Health CareVertex Pharmaceuticals7.9%Moderna (MRNA): 6.52% of the fund · Health CareModerna6.5%Regeneron Pharmaceuticals (REGN): 5.88% of the fund · Health CareRegeneron Pharmaceuticals5.9%Revolution Medicines (RVMD): 2.65% of the fund · Health CareRevolution Med…2.6%Biogen (BIIB): 2.36% of the fund · Health CareBiogen2.4%Illumina (ILMN): 2.07% of the fund · Health CareILMN2.1%Royalty Pharma · Class A (RPRX): 1.93% of the fund · Health CareRPRX1.9%Roivant Sciences (ROIV): 1.81% of the fund · Health CareROIV1.8%
  • Health Care 48.5%

Weights of the whole fund, as of 06/11/2026. The same holdings as a list

As of

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.