ARK Invest

ARK Invest sold 93,160 shares of Tesla on Thursday and bought more shares of Xpeng as well as another Chinese company, Niu Technologies.

ARKQ bought 420,057 shares of Nio on Friday, worth about $8.4 million, or 0.5 percent of the ETF's total position.

As of December 23, ARKQ held 655,042 shares of Xpeng ADRs worth about $30 million, or 1.37 percent of the position.

ARKQ bought 92,271 shares of Xpeng on Tuesday, increasing the stock to 1.25 percent of its position.

ARKQ added 250,389 shares of Xpeng ADRs so far this week, worth about $11.02 million.

ARKQ bought 277,263 shares of Xpeng's ADRs worth about $13.4 million on Thursday, representing 0.56 percent of the position.

Nio is a company that is replacing charging with battery swap, and it could win the day, she said.