Artificial intelligence chips require rapid data processing and low‑latency access, which makes high‑bandwidth memory (HBM) located close to the processor essential.
For instance, Nvidia’s newly announced Rubin GPU is engineered to leverage up to 288 GB of HBM4, representing almost three times the memory capacity of its Blackwell predecessor. Competing AMD’s MI400 series accelerators are similarly designed to accommodate as much as 432 GB of HBM4.
Growing demand has created shortages throughout the memory market, necessitating investment throughout the semiconductor supply chain. The iShares Semiconductor ETF (NASDAQ: SOXX) provides exposure to Micron Technology (NASDAQ: MU), a leading designer of HBM, DRAM, and NAND, as well as to equipment suppliers that enable manufacturers to scale production.
Why the memory supply remains tight
Expanding memory supply will require major players to construct large, complex new fabrication facilities, a process constrained by lengthy construction timelines, scarcity of skilled labor, permitting hurdles, and additional energy infrastructure needs. Micron anticipates that DRAM and NAND supplies will remain tight well beyond 2027.
Capturing the broader memory opportunity
The ETF also offers exposure to firms that produce memory and stimulate its demand, holding 30 stocks and charging a 0.34% expense ratio.
Is SOXX a buy right now?
The ETF closed at $552.69 on July 21. Investors with access to fractional trading could acquire approximately 0.18 shares for $100.
The recent semiconductor sell‑off has created a more attractive entry point, with the ETF trading roughly 16% below its June 22 peak. Nonetheless, the fund remains up sharply year‑to‑date and trades at a premium valuation—over 66 times earnings as of July 21—exposing investors to downside risk if AI spending decelerates, memory prices decline, or new supply enters the market sooner than anticipated.
Even with these risks, the ETF provides diversification across the AI memory supply chain, avoiding reliance on a single producer. Investors comfortable with semiconductor volatility and planning a multi‑year horizon may consider allocating $100 or more to the fund.
Should you buy stock in iShares Trust – iShares Semiconductor ETF right now?
Investing in the iShares Semiconductor ETF should be evaluated based on its risk profile, diversification benefits, and alignment with long‑term AI memory trends. Prospective investors are advised to conduct thorough research and consider their investment objectives before proceeding.
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