Pin Oak Investment Advisors Inc. reduced its holdings in Blackstone Group LP (NYSE:BX) by 2.3% during the 2nd quarter, according to the company in its most recent Form 13F filing with the Securities and Exchange Commission. The firm owned 85,879 shares of the asset manager’s stock after selling 2,040 shares during the period. Blackstone Group comprises 2.0% of Pin Oak Investment Advisors Inc.’s holdings, making the stock its 11th largest position. Pin Oak Investment Advisors Inc.’s holdings in Blackstone Group were worth $2,763,000 as of its most recent SEC filing.