According to Viewbase, currently 18.9M Ethereum or about 16.2% of its circulating supply is held on centralized exchanges:

Coinbase – 7.5m ETH
Binance – 2.8m ETH
Kraken– 2.1m ETH
Gemini – 1.6m ETH
Bitfinex – 1.5m ETH
Huobi – 1.3m ETH
Other exchanges – 2.1m ETH

Noteworthy is that Coinbase and Binance hold more ETH than other crypto exchanges combined: 10.3m ETH vs 8.6m ETH.

The latest market intelligence and in-depth reports in our Telegram channel and Twitter