iShares Nasdaq US Biotechnology UCITS ETF

What this fund is

iShares Nasdaq US Biotechnology UCITS ETF is an exchange-traded fund (ETF) from iShares, traded under the ticker BTEK (ISIN IE00BYXG2H39). It lets you buy a basket of holdings in a single trade, spreading your money across them rather than one company. At its core it is a focused, thematic fund: it concentrates on the health care part of the market, so it lives or dies by that one area rather than the economy as a whole. Underneath, it is about owning small slices of companies, so you share in their growth when they do well — and their falls when they don't. It passively tracks the Nasdaq US Biotechnology index — mirroring that market instead of paying a manager to pick winners, which keeps costs low, and its largest holdings include VERTEX PHARMACEUTICALS INC, AMGEN INC and GILEAD SCIENCES INC.

Spread across roughly 261 holdings (the ten largest ≈ 41.3%), no one position makes or breaks the fund. Its biggest country exposures are ~93.1% United States, ~1.8% Belgium and ~1.3% Denmark. Its heaviest sectors are ~100% Health Care and ~0.1% Other. A focused fund like this is typically held as a smaller 'satellite' position around a broader core — a way to lean into one theme, not usually a portfolio's only holding. Its ongoing charge (TER) is 0.35% a year — about €35 a year on a €10,000 holding, taken automatically from the fund.

Income such as dividends is automatically reinvested inside the fund (an accumulating share class), so returns compound without you doing anything. It holds the underlying investments directly (physical replication); it is domiciled in Ireland and UCITS-regulated, a European standard built to protect everyday investors and trades in USD. Its price has swung about 17.7% over the past year, which describes how much its price tends to move rather than whether it is good. It launched in 2017. As with any investment, its value can go down as well as up, and past performance is not a guide to future results. (Fund data sourced from iShares.)