Bitcoin Whales Accumulate, Signaling Potential Bullish Breakout → Insights

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Briefing

On-chain data reveals that “shark” entities, or wallets holding 100 to 1,000 Bitcoin, have been aggressively accumulating since July 2025, reaching a new all-time high of over 3.65 million BTC in their portfolios. This consistent buying behavior, where these influential investors add to their holdings instead of selling during price increases, creates a supply deficit and historically signals the precursor to significant bullish market phases. The most important data point confirming this trend is the addition of nearly 65,000 BTC to shark portfolios in just the last seven days.

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Context

Many in the market are wondering if Bitcoin’s recent price movements are sustainable, or if larger players are preparing to take profits. The core question is whether underlying demand from significant investors supports a continued upward trend or if current levels represent a temporary peak.

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Analysis

The “Shark Net Position Change” indicator measures the net flow of Bitcoin into or out of wallets holding between 100 and 1,000 BTC, often referred to as “sharks.” When this indicator shows a positive figure, it means these mid-sized whales are adding to their Bitcoin holdings, reflecting strong conviction and a belief in future price appreciation. Conversely, a negative figure would suggest selling pressure from this cohort. Since July 2025, the data shows a very positive figure, indicating these sharks are not only accumulating but doing so at their fastest rate this year. This pattern has pushed their total holdings to a record 3.65 million BTC, with an additional 65,000 BTC acquired in the last week alone.

This aggressive buying activity has created a net supply deficit, as these entities absorb both newly issued coins and those from the secondary market. Historically, such sustained accumulation by this cohort has often preceded major bullish phases for Bitcoin.

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Parameters

Key Metric – Shark Net Position Change → Wallets holding 100-1,000 BTC are accumulating.
Observed Pattern – Record Accumulation → Total holdings reached over 3.65 million BTC.
Core Data Point – Recent Inflow → Nearly 65,000 BTC added to shark portfolios in the last seven days.
Timeframe – Sustained Trend → Accumulation has been aggressive since July 2025.

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Outlook

This aggressive accumulation by mid-sized whales suggests a strong underlying demand that could propel Bitcoin’s price higher in the near term. The market bias remains bullish as long as Bitcoin maintains its position above the crucial $113,000 support level. A confirming signal to watch for next is a decisive breakout above the $115,000 resistance level, which could open the path towards $120,000 to $125,000. Conversely, a sustained drop below $113,000 would serve as a counter-signal, indicating a weakening of this bullish momentum.