MULL ETF holdings change: MU, MULL enter the watchlistMULL 美股 ETF 成交异动：GraniteShares 2x Long MU Daily ETF

The ETF Signal

The GraniteShares 2x Long MU Daily ETF (ticker: MULL), which first listed on November 11, 2024, has triggered an ETF flow/turnover spike signal. The fund holds $1.11 billion in assets under management, records a $262.6 million daily turnover, has trading volume 3.52 times its average level, and posted a 10.75% one-day price increase. The fund holds only two assets, with 100% top-10 and top-5 concentration: Micron Technology (MU) at 66.65% weight ($472.9 million market value) and U.S. dollars at 33.35% weight ($236.6 million market value).

Portfolio Mechanics

MULL is a daily 2x leveraged long ETF tied to Micron Technology, with a stated goal of delivering 200% of the daily percentage change of Micron’s common stock (before fees and expenses), with explicit disclosure that it cannot guarantee cumulative return targets. Detected holdings additions include Micron Technology and U.S. dollars, with 100% portfolio concentration, directly aligning with the HBM/semiconductor memory theme via its Micron exposure.

Active vs. Passive Read

Per the provided strategy classification, the fund is labeled active_inferred: this is an InvestLog inference based on the fund’s name, investment mandate, and structure, and not an explicit active management statement from GraniteShares.

Investor Relevance

Launched on November 11, 2024, MULL has amassed $1.11 billion in AUM within roughly six months, a sizable scale for a new leveraged ETF. Combined with the 3.52x above-average volume, $262.6 million daily turnover, and 10.75% one-day price jump, the signal signals sharp recent investor interest in the product. This activity aligns with a May 12, 2026 Zacks Investment Research note titled "4 Leveraged ETF Winners of Last Week" highlighting leveraged ETFs as recent market outperformers. Its near-total concentration in Micron Technology allows investors to adjust short-term, leveraged exposure to the memory chip sector.

Signal Limits

This signal only reflects a single snapshot of daily trading activity and portfolio holdings, and does not confirm long-term performance, cover fund expense ratios (not publicly provided), or guarantee future flow trends. The signal does not constitute a trading recommendation, and the daily rebalancing structure of leveraged ETFs will likely create gaps between long-term holding returns and the cumulative performance of the underlying Micron stock.