State Street Corporation increases stake in Strategy by 7% to $758M

State Street Corporation just placed another large bet on Strategy Inc., the company formerly known as MicroStrategy that has essentially become a publicly traded Bitcoin vault. The firm added 506,635 shares to its existing position, bringing its total MSTR holdings to 7.52 million shares worth approximately $758 million.

That’s a 7% increase from State Street’s previous position of roughly 7.02 million shares reported as of March 31, 2026.

The Bitcoin proxy trade keeps getting bigger

State Street didn’t buy any Bitcoin directly. It didn’t touch a single token or interact with a blockchain. What it did was buy more equity in a company that has turned itself into the single largest corporate holder of Bitcoin on the planet.

Strategy Inc. holds approximately 843,775 Bitcoin as of late July 2026, acquired at a total cost basis of around $63.69 billion. Think of MSTR as a wrapper: investors get exposure to Bitcoin’s price movements through a regulated, publicly traded security that fits neatly into existing portfolio infrastructure.

The filing appeared as part of the standard 13F quarterly reporting cycle, where institutional investment managers with more than $100 million in qualifying assets are required to disclose their equity holdings.

Why institutions keep choosing MSTR over spot Bitcoin

The appeal of MSTR as a leveraged Bitcoin play comes down to mechanics. Strategy Inc. has been relentlessly acquiring Bitcoin using a combination of equity issuance and debt offerings. That means the company’s Bitcoin holdings per share can actually increase over time if capital raises are executed at prices above the underlying Bitcoin value, creating a compounding effect that a direct Bitcoin purchase can’t replicate.

The flip side is equally important: leverage cuts both ways. If Bitcoin drops significantly, MSTR tends to fall harder than Bitcoin itself. Investors who buy MSTR are implicitly accepting amplified volatility in exchange for the convenience and structural advantages of equity ownership.

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