CoinVoice has learned that according to Arkham monitoring, Gemini co-founders Cameron Winklevoss and Tyler Winklevoss once held 1% of circulating BTC. Although their current holdings have slightly decreased, they still hold Bitcoin worth $1.25 billion, with accumulated profits reaching $2.3 billion. They currently hold only about 10% of their original position, but they still own over $1.25 billion worth of BTC.