According to TechFlow, according to Ember's monitoring, a whale who participated in the Ethereum ICO in 2015 transferred about 48,500 ETH, worth about US$154 million, to OKX in the past month.
This address purchased 1 million ETH at $0.311 during the Ethereum ICO.
The number of ETH currently held by this whale/institution is still as high as 682,000, which is worth approximately US$1.756 billion based on the current market price.
345,000 ETH were staked through the address 0xb05...8d3;
The address 0x7d6...1B4 holds 287,000 ETH;
0xd65...22d address pledged 50,000 ETH;