CMC Magnetics (TPE:2323) acquired about 1.5 million shares of Quanta Computer (TPE:2382) for NT$341 million.
The shares were purchased between April 11 and April 22, at an average price of NT$225.52 apiece, according to a Tuesday filing with the Taiwan Exchange.
Following the acquisition, CMC now holds about 2 million shares, representing 0.051% of Quanta Computer's total shares.
The optical storage products manufacturer said the purchase was part of its portfolio management strategy.