William Blair Investment Management LLC boosted its stake in Taiwan Semiconductor Manufacturing Company Limited (NYSE:TSM) by 1.6% in the third quarter, according to its most recent filing with the Securities & Exchange Commission. The institutional investor owned 11,012,683 shares of the semiconductor company’s stock after buying an additional 177,950 shares during the period. Taiwan Semiconductor Manufacturing accounts for 3.5% of William Blair Investment Management LLC’s portfolio, making the stock its biggest holding. William Blair Investment Management LLC owned about 0.21% of Taiwan Semiconductor Manufacturing worth $1,229,547,000 as of its most recent filing with the Securities & Exchange Commission. A number…