Business Overview	9 Months Ended
Sep. 30, 2012
Business Overview	1. Business Overview BlackRock, Inc. (together, with its subsidiaries, unless the context otherwise indicates, “BlackRock” or the “Company”) provides diversified investment management services to institutional clients, intermediary and individual investors through various investment vehicles. Investment management services primarily consist of the management of equity, fixed income, multi-asset class, alternative investment and cash management products. BlackRock offers its investment products in a variety of vehicles, including open-end and closed-end mutual funds, iShares^® exchange-traded funds (“ETFs”), collective investment trusts and separate accounts. In addition, BlackRock provides market risk management, financial markets advisory and enterprise investment system services to a broad base of clients. Financial markets advisory services include valuation services relating to illiquid securities, dispositions and workout assignments (including long-term portfolio liquidation assignments), risk management and strategic planning and execution. On May 29, 2012, BlackRock completed a secondary offering of 26,211,335 shares of common stock held by Barclays Bank PLC (“Barclays”) at a price of $160.00 per share, which included 23,211,335 shares of common stock issued upon the conversion of Series B Convertible Participating Preferred Stock by a subsidiary of Barclays. Upon completion of this offering, BlackRock repurchased 6,377,552 shares directly from Barclays at a price of $156.80 per share (consisting of 6,346,036 of Series B Convertible Preferred Stock and 31,516 shares of common stock). The total transactions, including the full exercise of the underwriters’ option to purchase 2,621,134 additional shares in the secondary offering, amounted to 35,210,021 shares, resulting in Barclays exiting its entire ownership position in BlackRock. On September 30, 2012, The PNC Financial Services Group, Inc. (“PNC”) held 21.0% of the Company’s voting common stock and 21.8% of the Company’s capital stock, which includes outstanding common and non-voting preferred stock.

Business Overview

9 Months Ended

Sep. 30, 2012

1. Business Overview

BlackRock, Inc. (together, with its subsidiaries, unless the context otherwise indicates, “BlackRock” or the “Company”) provides diversified investment management services to institutional clients, intermediary and individual investors through various investment vehicles. Investment management services primarily consist of the management of equity, fixed income, multi-asset class, alternative investment and cash management products. BlackRock offers its investment products in a variety of vehicles, including open-end and closed-end mutual funds, iShares^® exchange-traded funds (“ETFs”), collective investment trusts and separate accounts. In addition, BlackRock provides market risk management, financial markets advisory and enterprise investment system services to a broad base of clients. Financial markets advisory services include valuation services relating to illiquid securities, dispositions and workout assignments (including long-term portfolio liquidation assignments), risk management and strategic planning and execution.

On May 29, 2012, BlackRock completed a secondary offering of 26,211,335 shares of common stock held by Barclays Bank PLC (“Barclays”) at a price of $160.00 per share, which included 23,211,335 shares of common stock issued upon the conversion of Series B Convertible Participating Preferred Stock by a subsidiary of Barclays. Upon completion of this offering, BlackRock repurchased 6,377,552 shares directly from Barclays at a price of $156.80 per share (consisting of 6,346,036 of Series B Convertible Preferred Stock and 31,516 shares of common stock). The total transactions, including the full exercise of the underwriters’ option to purchase 2,621,134 additional shares in the secondary offering, amounted to 35,210,021 shares, resulting in Barclays exiting its entire ownership position in BlackRock.

On September 30, 2012, The PNC Financial Services Group, Inc. (“PNC”) held 21.0% of the Company’s voting common stock and 21.8% of the Company’s capital stock, which includes outstanding common and non-voting preferred stock.