According to the latest on-chain statistics, Bitcoin’s top 10 mining pool currently controls 94.2% of the global hashrate, collectively holding $6.52 billion in Bitcoin across its wallet.
Inside the secret stash of Bitcoin’s biggest mining pool and its counterparty
As of today, the 10 largest mining pools by block production are Foundry, Antpool, Viabtc, F2pool, Mara Pool, Spider Pool, Sec Pool, Lucor, Binance Pool and Braiins Pool. Foundry leads the pack at 30.88% of the world’s hashrate. Arkham Intelligence’s on-chain data shows Foundry’s Wallets include 772.652 BTC worth $91.2 million. This is a notable DIP from over 2,000 BTC held in mid-March 2024.
When it comes to counterparties, Foundries frequently trade on Coinbase. Antpool is second in Hashpower, currently managing 20.49% of the global total. As of July 30th, Antpool held 441.839 BTC at $52.15 million, with Coinbase also serving as a major counterparty. VIABTC ranks third at 13.65% of the global hashrate, according to Mempool.space Stats, with the entity still maintaining 162.086 BTC worth $19.13 million at the time of writing.
According to Mempool.space Stats, the hashrate distribution for July 30, 2025.
VIABTC works closely with its owned and supported Coinex. The two are tightly linked through shared infrastructure and services. On Wednesday, F2Pool held 10.42% of its total hashrate, with its wallet containing 495.322 BTC worth $58.46 million. F2Pool works with two major counterparties: Coinbase and Custody Firm Cobo.
Mara Pool accounts for 5.01% of Bitcoin’s total computing power. The company also serves as the Bitcoin Treasury Ministry, with a considerable 50,000 BTC in the book. Mara’s mining wallet alone costs 11,034 BTC at $1.3 billion. Most of this stash is likely protected by NYDIG custody, and the Onchain pattern suggests that Mara will regularly trade with Foundry. The Spider Pool controls 4.22% of Bitcoin’s total hash power and holds 157.994 BTC at $18.65 million.
Spider Pool trades on Coinbase on a daily basis. Next is the SEC pool, which contributes 3.24% to the network hashrate. As of today, the SEC Pool wallet holds approximately 28.616 BTC, worth $3.38 million. On-chain activity shows that the SEC pool interacts with both Cobo and Coinbase, but Coinbase appears to be a more frequent partner. Ranked 8th in hashrate, Luxor Technology operates 2.71% of the network’s power. Currently, Luxor Tech owns 75.278 BTC, $8.91 million. Like some others, Luxor also has regular transaction flows using Coinbase.
The ninth on the list is the Binance Pool, which has a relatively small 2.09% slice of global hash power. Still, the Binance Pool Wallet tracked by Arkham shows an astounding 41,919 BTC, managing 41,919 BTC worth $4.96 billion. Finishing the top 10 is Briins Pool, a pool previously known as the slash, at 1.49% of the global hashrate. Braiins’ wallet includes 30.983 BTC, worth $3.67 million at today’s rate. The top 10 Bitcoin mining pool collectively holds 55,117.77 BTC as of today, with an estimated total of $6.52 billion.
The vast amount of Bitcoin held by these top miners underscores the dual role of both infrastructure providers and long-term stakeholders. Their collective stash, worth billions, places them in one of the protocol’s most influential economic actors and not merely secure a network.
Such a concentrated holding suggests that these pools are accumulating for strategic purposes, not merely selling block rewards. Some are openly and some secretly. Whether the Treasury protects, collateral, or institutional leverage, this growing BTC serves as a miner as a powerful player in Bitcoin’s evolving financial ecosystem.