Generated June 2026 from current fund data.
Overview
DRAM and HBMX are both equity ETFs targeting the memory semiconductor ecosystem—a thematic bet on the infrastructure powering AI training and deployment. DRAM is a passive, broad-based memory-focused fund with $17.5B in assets, while HBMX is a smaller, actively managed fund launched more recently that concentrates on the entire memory supply chain: DRAM, NAND, high-bandwidth memory, and the equipment and packaging firms that support them. The key distinction is scope and approach: DRAM casts a wider net with lower fees, while HBMX narrows the field through active stock selection and adds annual distributions to a growth strategy.
How they differ
DRAM runs a passive strategy seeking broad exposure to memory companies, whereas HBMX uses active management to build a concentrated portfolio across the full memory ecosystem—including not just chip makers but the equipment, testing, and advanced packaging suppliers underpinning them. The second major difference is income: HBMX pays an annual distribution (adding a yield component to capital appreciation), while DRAM distributes nothing. Third, the cost structures diverge: DRAM charges 0.65% annually versus HBMX's 0.95%, and DRAM's $17.5B in assets vastly exceeds HBMX's scale, giving DRAM deeper liquidity and tighter spreads.
Who each is best for
DRAM: Fits investors seeking low-cost, passive exposure to memory semiconductors as a broad AI-infrastructure play, with no expectation of current distributions and tolerance for a pure growth profile over a long holding period.
HBMX: Designed for investors who value active curation of the memory supply chain and are willing to accept higher fees and concentration risk in exchange for both capital appreciation potential and an annual income component layered atop the thematic exposure.
Key risks to know
- Thematic concentration: Both funds hinge entirely on the memory semiconductor cycle and AI infrastructure demand. A slowdown in AI adoption, oversupply of chip capacity, or a major shift in memory technology (e.g., computing architectures that reduce DRAM/NAND demand) could compress valuations across both holdings simultaneously.
- HBMX active-management risk: Active selection in a narrow ecosystem means portfolio performance depends on the manager's stock picks within memory and ancillary suppliers. A prolonged period of underperformance relative to a broader semiconductor index would compound the 0.95% fee drag.
- HBMX concentration and liquidity: With a more concentrated, supply-chain-focused approach, HBMX carries higher single-name and subsector risk than DRAM. Lower AUM also suggests tighter trading volume, which may widen the bid-ask spread during market stress.
- Valuation sensitivity: Memory semiconductor stocks are highly cyclical and sensitive to earnings revisions tied to capex cycles and demand forecasts. Both funds will experience larger NAV swings during periods of elevated volatility in chip stocks.
Bottom line
DRAM offers passive, low-cost access to the memory space with the liquidity and simplicity of a $17.5B fund; HBMX adds active management, a wider supply-chain lens, and annual income, but at higher cost and with smaller scale. The choice hinges on whether you prefer a hands-off, diversified memory bet or are comfortable with active management and concentration in pursuit of supply-chain insight. Past performance in the memory semiconductor space does not guarantee future returns, especially given the cyclicality of the industry.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.
