The CalPERS opened a position in Nio in the first quarter of 2019, when it bought 140,451 shares. Nio went public in the US on September 12, 2018.

The largest US public pension kept its positions in Nio and Xpeng Motors essentially unchanged in the second quarter, while significantly increasing its bets on their local peer Li Auto.

The California Public Employees' Retirement System (CalPERS) held 2,466,961 shares of Nio's US-traded ADRs at the end of the second quarter, according to a Form 13F earlier this month.

That's down 76,718 shares, or 3 percent, from 2,543,679 at the end of the first quarter.

The CalPERS currently has about $470 billion in assets under management, making it the largest public pension in the US.

The pension's holdings in Nio were valued at $53.58 million at the end of the second quarter, essentially unchanged from $53.54 million at the end of the first quarter.

The CalPERS opened a position in Nio in the first quarter of 2019, when it bought 140,451 shares. Nio went public in the United States on September 12, 2018.

The pension also currently holds Xpeng as well as Li Auto.

As of the end of the second quarter, the CalPERS owned 975,106 shares of Xpeng's ADRs traded in the US, up 8,847 shares or 0.92 percent from 966,259 at the end of the first quarter.

The pension's holdings in Xpeng were valued at about $30.95 million, an increase of $4.25 million, or 16 percent, from $26.7 million at the end of the first quarter.

The pension held 958,705 shares of Li Auto at the end of the second quarter, up 152,127 shares, or 19 percent, from 806,578 at the end of the first quarter.

The CalPERS' holdings in Li Auto were worth about $36.7 million, an increase of $15.9 million, or 76 percent, from $20.8 million at the end of the first quarter.

During the second quarter, Nio was up 3 percent, Xpeng was up 15 percent and Li Auto was up 48 percent.

The previously released 13F filing for Baillie Gifford & Co shows that the Scottish investment firm increased its holdings in Nio and decreased its holdings in Tesla and Li Auto during the second quarter. It did not hold a stake in Xpeng.

Bridgewater Associates, the world's largest hedge fund, increased its bets on Nio and Xpeng and slightly reduced its position in Li Auto in the second quarter.

Renaissance Technologies LLC, one of the world's most prominent hedge funds, increased its positions in both Nio and Xpeng by more than 200 percent and in Li Auto by 34.76 percent in the second quarter.

US billionaire George Soros' Soros Fund Management increased its bet on Nio in the second quarter, although not through the more common stock.

Canada Pension Plan Investment Board, the largest pension fund in the North American country, reduced its position in all three companies in the second quarter, after adding to its position in the first quarter.

Canada's largest pension fund reduces holdings in NIO, XPeng and Li Auto in Q2