MARA Holdings

Who they are

If Bitcoin mining had a title belt, MARA would be the one wearing it. For years it has been the largest publicly traded Bitcoin miner in the US by hashrate — think enormous warehouses packed with specialized machines, all racing to solve the math puzzles that mint new bitcoin. It rebranded from Marathon Digital to the snappier MARA Holdings as it grew from "a company that mines coins" into "a company that owns a lot of power and points it at whatever's most profitable."

That last part is the whole story lately.

What they actually do

Two things, and the balance between them is shifting in real time.

1. Mine bitcoin. This is the day job. MARA runs one of the world's largest mining fleets, and its profitability comes down to a single unglamorous number: the price of electricity. Cheap power in, bitcoin out — that's the machine.

2. Rent out power and compute — increasingly to AI. Here's the plot twist. It turns out that "owns gigawatts of cheap, grid-connected power and knows how to run giant data centers" is exactly what the AI boom is desperate for, and hyperscalers are stuck in multi-year queues just to plug in. MARA looked at its power-hungry mining sites and thought: what if some of these hummed for AI instead of just for coins? So it's building dedicated AI/HPC capacity and toggling power between "mine bitcoin" and "host GPUs" depending on which pays better that day.

How they make money

Historically, almost all of it came from mining — sell the bitcoin you produce, and sit on a big pile of it as a treasury asset (MARA long ran a strict "never sell" HODL policy). Two forces are reshaping that mix in 2026:

First, mining economics got brutal. After the 2024 halving cut the reward per block in half, and with the whole network racing to add more machines, the cost to produce a coin crept uncomfortably close to — and at times above — what a coin was worth. Not a fun business to be in.

Second, MARA broke its own cardinal rule. In early 2026 it sold a large chunk of its bitcoin — roughly a quarter of the stash, around $1.5 billion worth — using most of it to buy back debt and fund the AI buildout. The maximalist finally hit "sell," which tells you how serious the pivot is. Management's stated goal is to have a meaningful share of revenue — they've floated figures like 30–50% (and, ambitiously, higher) — coming from AI and HPC within a couple of years. As of 2026 that's a target, not a reality — the AI revenue is just getting started.

Where it sits in the value chain

MARA is interesting precisely because it straddles two of our five chains — and is quietly wedging into a third.

That overlap is why MARA shows up in two places on our industry map — under mining and under bitcoin treasuries. One company, several hats.

The bigger trend it's riding

MARA isn't doing this alone — it's the loudest example of a sector-wide scramble. Post-halving, the pure-play mining model got squeezed hard, and miners who happened to own large, power-rich sites realized those sites were suddenly worth more hosting AI than mining coins. Core Scientific, TeraWulf, and IREN are all running versions of the same play. Policymakers, too, have started re-labeling these companies from "energy-guzzling crypto factories" into "national digital infrastructure" — which is a much friendlier hat to wear when you need power and permits.

This page presents market data and educational analysis only. It does not constitute investment advice, a recommendation, or a solicitation to buy or sell any asset. Company details, strategy, and figures are described as of 2026 and change frequently — verify current information before relying on it. Past performance does not guarantee future results. Company details reflect information available at the time each page was written and may not capture subsequent changes — check the company's own investor relations page for the latest figures.