$16 billion on 1750 wallets: This is the second-largest BTC holder
The second-largest Bitcoin asset manager in the world is Grayscale.

The second-largest Bitcoin asset manager in the world is Grayscale. That's according to data and a tweet from Arkham Intelligence. In total, the company has $16 billion in Bitcoin in more than 1,750 different wallets.
Next come Binance (also $16 billion) and Bitfinex ($5 billion). The biggest hodler is Satoshi Nakamoto, Bitcoin's secret inventor (between $19 billion and $25 billion).
Grayscale is a U.S. asset manager and manages the largest Bitcoin trust fund. It will be converted into a spot ETF. So far, the relevant financial regulator SEC has rejected all applications. Grayscale managed to win a stage in court last time.