Institutional holdings of Bitcoin (BTC) have climbed to roughly 4.11 million BTC, underscoring how steadily shrinking liquid supply is becoming a defining feature of the current market structure—and a potential tailwind for longer-term price dynamics. According to data compiled by BitcoinTreasuries as of Sunday, March 22 UTC (March 22 ET), institutions collectively hold 4,112,885 BTC across 344 entities.