Strategy (formerly Microstrategy) and BlackRock currently hold the largest known institutional Bitcoin (BTC) positions, now neck-and-neck in their holdings. According to the latest data, Strategy (NASDAQ: MSTR) has accumulated approximately 592,100 BTC worth over $63.3 billion at press time, while BlackRock controls 669,523 BTC valued at approximately $71.41 billion through its iShares Bitcoin Trust (IBIT). Strategy has acquired 10,100 BTC for ~$1.05 billion at ~$104,080 per bitcoin and has achieved BTC Yield of 19.1% YTD 2025. As of 6/15/2025, we hodl 592,100 $BTC acquired for ~$41.84 billion at ~$70,666 per bitcoin. $MSTR $STRK $STRF $STRD https://t.co/n7q77DmqCY — Michael Saylor (@saylor) June 16, 2025 Strategy’s latest disclosed purchase involved acquiring 10,100 Bitcoin for $1 billion at an average price of $104,080 per coin. The purchase occurred during market volatility triggered by escalating Israel-Iran tensions, as Bitcoin dropped from $110,000 to an intraweek low of $103,639. The deal puts Strategy’s year-to-date Bitcoin yield at 19.1%, much closer to the company’s target of 25% by the end of 2025. Meanwhile, BlackRock, too, has been steadily building its BTC position, buying a staggering $1.1 billion worth of Bitcoin in recent weeks. Different approaches Strategy operates as a corporate treasury play, with CEO Michael Saylor positioning Bitcoin as the company’s primary asset and using various financing methods to acquire more. The company recently debuted its third Bitcoin-backed preferred stock, STRD, on Nasdaq to raise an additional $250 million for further Bitcoin purchases. BlackRock, on the other hand, accumulates Bitcoin through its exchange-traded fund (ETF) structure, pooling investor capital to build massive positions. The firm aims to become the world’s leading digital asset manager by 2030, aiming to manage at least $50 billion in crypto within five years. As both institutions maintain their aggressive Bitcoin accumulation strategies, the frontrunner may keep shifting. What’s certain is that together, BlackRock and Strategy now control over 1.3 million Bitcoin, representing roughly 6% of the total supply and demonstrating the massive institutional adoption that has transformed the entire crypto sector. Featured image via Shutetrstock.