What does it mean to get Bitcoin exposure through stocks?
It means buying a publicly traded share whose value moves with Bitcoin, instead of holding Bitcoin itself. That share can be a spot ETF that holds BTC for you, a treasury company that puts Bitcoin on its balance sheet, or a miner whose business is tied to the Bitcoin price. In every case you own a security in a brokerage account — not coins and not keys.
What is the difference between a Bitcoin treasury company, a miner, and a spot ETF?
A spot ETF is built to track the Bitcoin price closely, holding roughly one dollar of BTC for every dollar of fund value. A Bitcoin treasury company is an operating business that holds Bitcoin on its balance sheet, often funded with debt or share issuance — so its stock can trade at a premium or discount to the coins it holds. A miner earns Bitcoin by running hardware, so its stock reflects both the Bitcoin price and the economics of mining: energy costs, hardware, and difficulty.
What is mNAV or premium-to-NAV?
mNAV (market-cap-to-net-asset-value), often called premium-to-NAV, measures how far a stock trades from the Bitcoin it holds per share. A premium means the market pays more than a dollar for each dollar of Bitcoin on the balance sheet; a discount means less. That gap is its own moving part on top of the Bitcoin price, and it can swing hard. The treasuries comparison lays out where each company sits on that ladder.
Do I own any Bitcoin if I buy a treasury or miner stock?
No. You own a slice of a business, not a claim on specific coins. The company holds the Bitcoin; you hold stock. You cannot withdraw, send, or hold the keys to any Bitcoin, and if the business takes on debt or issues new shares, your exposure per share can change without the Bitcoin price moving at all.
Is stock exposure better than holding Bitcoin directly?
Neither is universally better — each trades one thing for another. Stock exposure adds a familiar tax wrapper, fits inside accounts where coins or even ETFs may not be available, and can offer leverage. Direct ownership removes the issuer, the fees, and the premium/discount gap, but puts custody entirely on you. The right choice depends on what you are optimizing for: control, convenience, a tax wrapper, or leverage.