Bitcoin Entities Step Up Accumulation, Adding 65K BTC ($7.4B) in a Week

Over the past week, Bitcoin has shown signs of renewed strength, not just in price, but in who’s buying. On-chain data from Glassnode reveals that wallets holding between 100 and 1,000 BTC have significantly expanded their holdings. 

These entities, referred to as “sharks”, added roughly 65,000 BTC, worth around $7.4 billion, in the past seven days. Over the last 30 days, their total balance rose by 93,000 BTC, worth roughly $10.5 billion at current market prices. This indicates that most of that surge came in just the past week, showing momentum is accelerating.

#Bitcoin entities holding 100–1k #BTC (“sharks”) have sharply ramped up accumulation. Over the past 7 days, their holdings grew by ~65k $BTC. The pace of accumulation has grown as well, with a 30D net increase of 93k $BTC. This group now holds a record 3.65M $BTC. pic.twitter.com/MRcIPcTB1T

— glassnode (@glassnode) September 11, 2025

Bitcoin Sharks Hold 3.65M BTC

This rapid accumulation has pushed their collective holdings to a record 3.65 million BTC, currently worth about $412.5 billion. Historically, this substantial accumulation preceded major bullish phases in Bitcoin, as it reflects strong conviction from entities with substantial capital at stake.

Like real sharks in the ocean, these entities are powerful enough to make waves in the market. However, they’re not the absolute top movers.  Meanwhile, the movement of the sharks comes as BTC makes a strong rebound from key support, adding fuel to investor confidence. The apex coin is trading around the $114,000 mark amid positive macro signals and spot ETF flows.

Moreover, the rebound is being supported by on-chain metrics. These include declines in short-term holder pressure, sustained accumulation from long-term holders, and high net outflows from exchanges. Historically, this scenario is a textbook setup for tighter markets if demand remains steady.

Accumulation Strengthens BTC Outlook

Institutional adoption accelerated in 2025, driven by regulatory clarity and macroeconomic conditions. Inflows from US spot ETF and corporate accumulation from firms, like Strategy, and pension funds are major players. For instance, Strategy acquired 1,955 BTC worth roughly $217 million between September 2 and 7. Metaplanet recently raised $1.4 billion to fund more bitcoin purchases, days after spending $15.2 million on 136 BTC. 

Consequently, the accumulation of Bitcoin by both whales and mid-tier entities suggests that the market may be setting up for continued strength. However, this outlook depends on whether key resistance zones are crossed and macro conditions remain favorable. 

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