Bitcoin’s biggest buyers have stopped buying. CryptoQuant reported that whale balances have been flat since February 2026, while the so-called dolphin cohort, mid-sized holders with 100 to 1,000 BTC, has been posting successively lower balance highs since September 2025.

When both groups go quiet at the same time, history says it doesn’t end well for price.

## The accumulation engine has stalled

Whales, the entities holding the largest Bitcoin positions, had shown notable appetite in late 2025. CryptoQuant data indicated that Great Whales, those holding more than 10,000 BTC, increased their positions by 36,019 BTC during a brief accumulation burst in November 2025.

That momentum didn’t last. By February 2026, whale balances flatlined and haven’t budged since.

Dolphins tell a similar story, just with an even longer downtrend. This cohort has been recording lower highs in their aggregate balances since September 2025.

Dolphins often include spot Bitcoin ETFs, corporate treasury allocations, and institutional players operating through custodial wallets. In late 2025, dolphins held approximately 26% of Bitcoin’s total supply.

## Earlier whale buying was overstated

CryptoQuant flagged in January 2026 that what appeared to be whale accumulation was actually overstated due to distortions from exchange wallets. Once the exchange wallet effects were stripped out, the data showed that major holders were actually distributing rather than accumulating their assets.

## What simultaneous stalls have meant historically

CryptoQuant’s analysis carries an implicit warning rooted in historical patterns. When whale and dolphin accumulation stalls at the same time, sustained Bitcoin price weakness has typically followed.

Bitcoin’s holding structure, as CryptoQuant described it, continues to deteriorate. The November 2025 whale accumulation spike is a useful reference point. That brief burst of buying from Great Whales coincided with a period where dolphins were already reducing their accumulation. Even a 36,019 BTC inflow from the largest holders wasn’t enough to offset the broader trend of weakening mid-tier demand.

## What this means for investors

The fact that dolphin balances have been trending lower for roughly eight months, since September 2025, suggests this isn’t just a brief pause. Spot Bitcoin ETF flows, corporate treasury decisions, and macroeconomic conditions could all reignite demand from these cohorts. But until those catalysts materialize in the data, the on-chain evidence points toward a market where the biggest buyers are content to wait on the sidelines.