K33 Says Long-Term Bitcoin Holder Selling May Be Nearing Exhaustion

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Amin Ayan

Crypto Journalist

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Apr 2025

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Amin Ayan is a crypto journalist with over four years of experience in the industry. He has contributed to leading publications such as Cryptonews, Investing.com, 99Bitcoins, and 24/7 Wall St. He has…

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Bitcoin’s prolonged sell-side pressure from long-term holders may be approaching its limits after years of steady distribution, according to a new report from research and brokerage firm K33.

Key Takeaways:

  • About 1.6 million BTC from long-term holders have returned to circulation since 2024.
  • K33 says the scale points to deliberate selling, not technical wallet movements.
  • Institutional liquidity has enabled early investors to exit at high prices.

The firm argues that a large portion of early holders has already taken profits, potentially setting the stage for a shift in market dynamics.

1.6M BTC From Long-Term Holders Has Re-Entered Circulation Since 2024

In a recent note, K33 head of research Vetle Lunde said Bitcoin supply held in unspent transaction outputs (UTXOs) older than two years has been declining consistently since 2024.

Over that period, roughly 1.6 million BTC, worth about $138 billion at current prices, has re-entered circulation, signaling sustained onchain selling from early investors.

Lunde said the scale of this decline suggests intentional distribution rather than routine technical activity.

While some reactivations can be explained by factors such as Grayscale’s Bitcoin Trust converting into an ETF, wallet consolidation, or security upgrades, he argued those factors alone cannot account for the magnitude of supply that has moved.

“The numbers point to meaningful selling,” Lunde wrote, rather than passive reshuffling of coins.

According to K33, 2024 and 2025 rank as the second- and third-largest years on record for long-term supply reactivation, exceeded only by 2017.

Unlike that earlier cycle, which was driven by ICO participation and altcoin speculation, the current wave appears to be fueled by direct selling into deeper institutional liquidity.

Lunde pointed to the growth of U.S. spot Bitcoin ETFs and increased corporate treasury demand as key enablers of this shift.

The report cited several large transactions as evidence, including an 80,000 BTC over-the-counter sale facilitated by Galaxy in July, a whale swapping 24,000 BTC for ether in August, and another selling roughly 11,000 BTC between October and November.

K33 said similar activity has been widespread among large holders and is likely a major factor behind Bitcoin’s relative underperformance in 2025.

In total, K33 estimates that about $300 billion worth of Bitcoin aged one year or more has been revived this year alone.

Lunde said the availability of institutional liquidity has allowed long-term holders to exit positions at six-digit prices, reducing ownership concentration and establishing new cost bases across the market.

K33 Expects Bitcoin Sell-Side Pressure to Ease as Long-Term Supply Stabilizes

Looking ahead, K33 expects sell-side pressure to ease. “With 20% of BTC’s supply reactivated over the past two years, we expect onchain sell-side pressure to approach saturation,” Lunde said.

He expects the two-year supply metric to stabilize and end 2026 above its current level of around 12.16 million BTC.

The firm also flagged potential portfolio rebalancing effects as the quarter turns. Bitcoin has historically tended to move opposite the prior quarter early in a new one, Lunde noted.

After underperforming other asset classes in Q4, Bitcoin could see renewed inflows in late December and early January as managers rebalance fixed allocations.

As reported, Bitwise Chief Investment Officer Matt Hougan and Grayscale Research both project BTC will exceed its previous peak despite conventional wisdom suggesting 2026 should be a pullback year.