Guoyi (SHA:688828) saw the retail portion of its Shanghai Stock Exchange's STAR Market board listing oversubscribed 5,645.64 times, according to a Thursday bourse filing.
The online offering comprised 6.4 million shares, but the offering size was increased to 9.6 million shares, accounting for 30% of the initial public offering after the clawback mechanism.
The offline offering comprised 25.6 million shares, but declined to 22.4 million shares, representing 70% of the IPO.
The Chinese quantum instrument maker refunded any excess subscription funds to investors of the strategic placement before Thursday.