Healthcare of Ontario Pension Plan Trust Fund increased its holdings in shares of Taiwan Semiconductor Manufacturing Company Limited ( NYSE:TSM – Get Rating ) by 723.1% during the first quarter, according to its most recent Form 13F filing with the Securities and Exchange Commission. The firm owned 2,965,700 shares of the semiconductor company’s stock after acquiring an additional 2,605,413 shares during the quarter. Taiwan Semiconductor Manufacturing makes up about 1.1% of Healthcare of Ontario Pension Plan Trust Fund’s holdings, making the stock its 12th largest position. Healthcare of Ontario Pension Plan Trust Fund owned about 0.06% of Taiwan Semiconductor Manufacturing...