Altcoin Season Ignites: Whales Pile $300M into SOL, ADA, and Newcomers for October 2025 Boom

With strategic accumulation across developed and emerging tokens, recent altcoin whale activity heralds the start of a possible significant altcoin season in October 2025. Showing mixed signals, Solana (SOL) saw whales move $298 million in SOL through fast transactions, including Coinbase payments that indicated profit-taking or repositioning ahead of ETF announcements. Conversely, Cardano (ADA) whales aggressively gathered more than 40 million ADA in 24 hours, including a $54 million Coinbase withdrawal, supported by increasing Chaikin. Money Flow and On-Balance Volume show contributions from both whales and individual investors. Emerging tokens like Aster (ASTER), supported by Binance, saw $48 million in whale purchases driving a 240% rise since inception; Plasma (XPL), sponsored by Early accumulations were made by Bitfinex and Peter Thiel, with one whale locking $2.7 million and Justin Sun earning $16 million on trades.

Focusing on Litecoin (LTC), SPX, and ONDO to grab bullish momentum during market downturns, whales are distributing over more altcoins for October placement. They are rotating. into XRP and DOT as Bitcoin's bull run stops because of short positions. This extensive activity highlights a risk-spreading approach whereby whales balance aggressive purchases in high-potential assets against selective profit realization in established ones like Solana. Such trends show confidence in the upward potential of altcoins as money flows from Bitcoin and stress preparation for volatility especially surrounding regulatory drivers like Solana ETF approvals.

With Bitcoin dominance falling below 59%, Google searches for altcoins rising 40–50%, and the Altcoin Season Index increasing, market indicators support the altcoin season story. to 67 in the longest accumulation phase ever—exceeding cycles of 2017 and 2021. The broad expectations for Q4 rallies indicated by whales' sector diversification into DeFi (Aster), layer-1s (Plasma, Cardano), and payments (LTC) are tempered by cautious risk management to negotiate downward risks. October 2025 becomes a crucial springboard for altcoin comeback generally because of a convergence of dwindling BTC dominance, record accumulation, and whale flows.