Mackay Shields LLC lowered its position in BlackRock MuniYield Michigan Quality Fund, Inc. (NYSE:MIY – Get Rating) by 11.7% in the 4th quarter, according to its most recent 13F filing with the SEC. The firm owned 992,834 shares of the financial services provider’s stock after selling 131,987 shares during the period. Mackay Shields LLC’s holdings […]