Grayscale’s GCPU rebrand puts Bitcoin miners at the center of a broader AI infrastructure story, shifting attention from mining rigs to power, land and data centers.
Bitcoin miners are seeing a new role in the AI infrastructure space. Grayscale's rebranded AI Compute ETF, the GCPU, provides investors with exposure to firms with power, land, and data-center capacity capable of supporting high-performance computing workloads.
The Grayscale Fund launched the GCPU on September 22, 2026, following the change of its Grayscale Bitcoin Miners ETF, previously known as MNRS.
With firms such as Hut 8, Core Scientific, Riot, and TeraWulf building large-scale power and grid-connected facilities for mining purposes, this infrastructure is being redirected to AI compute, providing a link between two capital-intensive industries.
The new fund, set up to track the Indxx High Performance Computing Index, contains a portfolio of firms based on AI compute and digital infrastructure operators that are shifting existing power and capacity to AI workloads.
Grayscale stated that about half the target concentration of the portfolio at launch is set aside for firms focused on GPU cloud and AI hosting capacity. The rest of the fund's focus would be on operators with a heritage in high-performance computing, including Bitcoin miners who have disclosed or executed plans to redirect existing infrastructure towards AI.
This would provide the ETF with a broader mandate than its previous Bitcoin mining fund, as that was built around companies related in any way to the mining industry.
GCPU instead focuses on the physical infrastructure required to support AI computing, while still providing exposure to several Bitcoin miners who are adapting their assets.
The SEC prospectus confirms the change in the fund's name, index, and investment strategy. The filing identifies the GCPU as the Grayscale AI Compute ETF and states that it seeks to track the Indxx High Performance Computing Index pre-expenses. It carries an annual management fee of 0.59%.
The timing places the ETF within a broader AI infrastructure buildout. Grayscale stated that North American data centers are operating with record-low vacancy rates and new capacity can take two to five years to come online.
The firm has also cited projections that annual AI-related capital expenditure could exceed $1 trillion, with much of that spending being directed towards physical infrastructure.
For Bitcoin miners, the existing power infrastructure is therefore becoming an important part of the story.
Mining facilities already require substantial electricity, grid connections, and physical sites, and where they can support AI workloads, they provide another potential use for infrastructure that was previously developed around Bitcoin.
Grayscale specified two ways to expand AI compute capacity through the GCPU: one being building new infrastructure and the other being the use of repurposed power, land, and grid-connected facilities for AI workloads.
Despite the rebrand, Bitcoin still plays an important role in the fund. The ETF doesn't just remove miners from its portfolio, but where Bitcoin miners have moved or are moving infrastructure towards AI, they are still part of its investment universe.
The SEC filing shows that the GCPU was formerly known as the Grayscale Bitcoin Miners ETF. The ticker changed from MNRS to GCPU as part of the broader strategy overhaul.
This follows the fact that Bitcoin mining in itself shows signs of renewed network activity. A recent Block Insider report stated that Bitcoin's network hash rate had rebounded to around 1 zettahash per second, reaching two-month highs, and miner selling pressure had eased. The report also stated that long-term holder buying had strengthened.
Another Block Insider report put Bitcoin price above $85,000 and identified $83,796 as a key support level while $88,761 was cited as a major resistance based on CryptoQuant data.
The two developments, and the latest AI news, may not require the same investment thesis. While Bitcoin miners are still important, some mining companies are also becoming infrastructure providers for AI.
GCPU's rebrand formalizes this overlap in an exchange-traded product. Rather than just viewing mining infrastructure as a Bitcoin-specific asset, Grayscale is instead positioning the ETF within the broader physical computing infrastructure required by AI.
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