Marathon Digital, in particular, produced 1,232 Bitcoin in September, which accounted for a record 4.3% share of Bitcoin miner rewards.
Source: https://cointelegraph.com/news/bitcoin-miner-marathon-digital-riot-platforms-increase-btc-production
Bitcoin miners Marathon, Riot, CleanSpark increase BTC output in September
October 5, 2023
CoinTelegraph