Odaily News According to Nansen data, The Spartan Group has accumulated 336,332 AEROs (about $380,000) in the past 24 hours. The Spartan Group first purchased 443,851 AEROs on October 7 and has been steadily increasing its holdings since then. At the same time, DeFiance Capital has purchased 2.87 million AEROs in the past two weeks, currently worth $3.2 million.