GAM Holding AG boosted its holdings in Taiwan Semiconductor Manufacturing Company Limited ( NYSE:TSM – Get Rating ) by 5.7% during the first quarter, according to its most recent Form 13F filing with the SEC. The fund owned 209,836 shares of the semiconductor company’s stock after acquiring an additional 11,379 shares during the period. Taiwan Semiconductor Manufacturing accounts for about 1.1% of GAM Holding AG’s portfolio, making the stock its 22nd largest holding. GAM Holding AG’s holdings in Taiwan Semiconductor Manufacturing were worth $21,877,000 at the end of the most recent quarter. Other large investors have also recently added to...