Mitsubishi UFJ Morgan Stanley Securities Co. Ltd. boosted its position in shares of Taiwan Semiconductor Manufacturing Company Limited (NYSE:TSM) by 7.5% in the second quarter, according to the company in its most recent filing with the SEC. The firm owned 1,290 shares of the semiconductor company’s stock after acquiring an additional 90 shares during the quarter. Taiwan Semiconductor Manufacturing comprises about 1.2% of Mitsubishi UFJ Morgan Stanley Securities Co. Ltd.’s portfolio, making the stock its 19th largest position. Mitsubishi UFJ Morgan Stanley Securities Co. Ltd.’s holdings in Taiwan Semiconductor Manufacturing were worth $155,000 at the end of the most recent…