Investment Research & Advisory Group Inc. reduced its stake in Taiwan Semiconductor Manufacturing Company Limited (NYSE:TSM) by 6.9% in the 2nd the company in its most recent filing with the SEC. The fund owned 12,748 shares of the semiconductor company’s stock after selling 950 shares during the quarter. Taiwan Semiconductor Manufacturing makes up 1.0% of Investment Research & Advisory Group Inc.’s investment portfolio, making the stock its 29th largest holding. Investment Research & Advisory Group Inc.’s holdings in Taiwan Semiconductor Manufacturing were worth $1,532,000 as of its most recent filing with the SEC. A number of other institutional investors and...