Exhibit 21.1

SUBSIDIARIES OF REGISTRANT

The following table lists the direct and indirect subsidiaries of BlackRock, Inc. as of December 31, 2010.

Name of Subsidiary	Jurisdiction/State of Incorporation
BAA Holdings, LLC	Delaware
BlackRock Advisors, LLC	Delaware
BlackRock Advisors Holdings, Inc.	Pennsylvania
BlackRock Advisors Singapore Pte. Limited	Singapore
BlackRock Asset Management (Schweiz) AG	Switzerland
BlackRock Asset Management Australia Limited	Australia
BlackRock Asset Management Australia Services Limited	Australia
BlackRock Asset Management Canada Limited	Canada
BlackRock Asset Management Deutschland AG	Germany
BlackRock Asset Management Guernsey Limited	Guernsey
BlackRock Asset Management International Inc.	Delaware
BlackRock Asset Management Investors Services Limited	United Kingdom
BlackRock Asset Management Ireland Limited	Ireland
BlackRock Asset Management North Asia Limited	Hong Kong
BlackRock Asset Management Pensions Limited	United Kingdom
BlackRock Asset Management UK Limited	United Kingdom
BlackRock Australia Holdco Pty. Ltd.	Australia
BlackRock Australia Holdings Pty Limited	Australia
BlackRock AV, Inc.	Delaware
BlackRock Brasil Gestora de Investimentos Ltda.	Brazil
BlackRock Cal 1 Investor, LLC	Delaware
BlackRock Capital Holdings, Inc.	Delaware
BlackRock Capital Management, Inc.	Delaware
BlackRock Capital Markets, LLC	Delaware
BlackRock Cayco Limited	Cayman Islands
BlackRock Cayman Finco Limited	Cayman Islands
BlackRock (Channel Islands) Limited	Jersey
BlackRock Corporation US Inc.	California
BlackRock Delaware Holdings Inc.	Delaware
BlackRock Employee Trust Co. Limited	United Kingdom
BlackRock European Holdings S.à r.l.	Luxembourg
BlackRock Execution Services	California
BlackRock Executor & Trustee Co. Limited	United Kingdom
BlackRock Finance Europe Limited	United Kingdom
BlackRock Financial Management, Inc.	Delaware
BlackRock Financing, LLC	Delaware
BlackRock Finco UK Ltd.	United Kingdom
BlackRock Finco, LLC	Delaware

SUBSIDIARIES OF REGISTRANTS (continued) Exhibit 21.1

Name of Subsidiary	Jurisdiction/State of Incorporation
BlackRock First Partner Limited	Jersey
BlackRock Fund Advisors	California
BlackRock Fund Distribution Company	California
BlackRock Fund Management Company S.A.	Luxembourg
BlackRock Fund Managers (Isle of Man) Limited	Isle of Man
BlackRock Fund Managers Limited	United Kingdom
BlackRock Funding International, Ltd.	Cayman Islands
BlackRock Funding, Inc.	Delaware
BlackRock Global Real Estate Opportunity Fund (UK) LP Limited	United Kingdom
BlackRock Global Real Estate Opportunity Fund, LLC	Delaware
BlackRock Group Limited	United Kingdom
BlackRock Growth Partners, Inc.	Delaware
BlackRock HK Holdco Limited	Hong Kong
BlackRock Holdco 2, Inc.	Delaware
BlackRock Holdco 3, LLC	Delaware
BlackRock Holdco 4, LLC	Delaware
BlackRock Holdco 5, LLC	Delaware
BlackRock Holdco 6, LLC	Delaware
BlackRock Holdings Deutschland GmbH	Germany
BlackRock (Hong Kong) Limited	Hong Kong
BlackRock HPB Management LLC	Delaware
BlackRock India Private Ltd.	India
BlackRock Institutional Management Corporation	Delaware
BlackRock Institutional Trust Company, National Association	United States
BlackRock Insurance PCC Limited	Isle of Man
BlackRock International Holdings, Inc.	Delaware
BlackRock International Limited	Scotland
BlackRock Investment Management (Australia) Limited	Australia
BlackRock Investment Management (Dublin) Limited	Ireland
BlackRock Investment Management (Korea) Limited	Korea
BlackRock Investment Management (Taiwan) Limited	Taiwan
BlackRock Investment Management (UK) Limited	United Kingdom
BlackRock Investment Management B.V.	Netherlands
BlackRock Investment Management International Limited	United Kingdom
BlackRock Investment Management Ireland Holdings Limited	Ireland
BlackRock Investment Management, LLC	Delaware
BlackRock Investments, LLC	Delaware
BlackRock Investor Services Deutschland GmbH	Germany
BlackRock (Isle of Man) Holdings Limited	Isle of Man
BlackRock (Isle of Man) Limited	Isle of Man
BlackRock Japan Co., Ltd.	Japan

SUBSIDIARIES OF REGISTRANTS (continued) Exhibit 21.1

Name of Subsidiary	Jurisdiction/State of Incorporation
BlackRock Japan Holdings GK	Japan
BlackRock Kelso Capital Advisors LLC	Delaware
BlackRock Lux Finco S.à r.l.	Luxembourg
BlackRock Luxembourg Holdco S.à r.l.	Luxembourg
BlackRock (Luxembourg) S.A.	Luxembourg
BlackRock Mexican Holdco, LLC	Delaware
BlackRock Mortgage Ventures, LLC	Delaware
BlackRock (Netherlands) B.V.	Netherlands
BlackRock Operations (Luxembourg) S.à r.l.	Luxembourg
BlackRock Pensions Limited	United Kingdom
BlackRock Pensions Nominees Limited	United Kingdom
BlackRock Realty Advisors, Inc.	Delaware
BlackRock Second Partner Limited	Jersey
BlackRock Securities Co., Ltd.	Japan
BlackRock Services India Private Limited	India
BlackRock (Singapore) Limited	Singapore
BlackRock (Singapore Holdco) Pte. Limited	Singapore
BlackRock (Taiwan) Limited	Taiwan
BlackRock Trident Holding Company Limited	Ireland
BlackRock UK 1 LP	United Kingdom
BlackRock Unit Trust Managers Limited	United Kingdom
BlackRock (Uruguay) SA	Uruguay
BLK Isle of Man Holdings Limited	Isle of Man
BR Acquisition Mexico S.A. de C.V.	Mexico
BR Jersey International Holdings L.P.	Jersey
DSP BlackRock Investment Managers Private Limited	India
DSP BlackRock Trustee Company Private Limited	India
Grosvenor Alternate Partner Limited	United Kingdom
Grosvenor Ventures Limited	United Kingdom
HLX Financial Holdings, LLC	Delaware
Impulsora y Promotora BlackRock Mexico, S.A. de C.V.	Mexico
iShares (DE) I Investmentaktiengesellschaft mit Teilvermögen	Germany
iShares Chile Holdings Inversiones Limitada	Chile
iShares Chile Inversiones Limitada	Chile
iShares Delaware Trust Sponsor LLC	Delaware
Mercury Carry Company Ltd.	Isle of Man
Mercury Private Equity MUST 3 (Jersey) Limited	Jersey
Portfolio Administration & Management Ltd.	Cayman Islands
Prestadora de Servicios Integrales BlackRock Mexico, S.A. de C.V.	Mexico

SUBSIDIARIES OF REGISTRANTS (continued) Exhibit 21.1

Name of Subsidiary	Jurisdiction/State of Incorporation
PSN Pty Ltd.	Australia
SSRM Holdings, Inc.	Delaware
St. Albans House Nominees (Jersey) Ltd.	Jersey
State Street Research & Management Company	Delaware
State Street Research Investment Services, Inc.	Massachusetts
The Tower Nominees No. 1 Jersey Limited	Jersey
The Tower Nominees No. 1 Limited	United Kingdom
The Tower Nominees No. 2 Jersey Limited	Jersey
The Tower Nominees No. 2 Limited	United Kingdom
Tower General Partner Limited	United Kingdom
Tower Management Services Limited	United Kingdom
Trident Merger, LLC	Delaware
Wimco Nominees Ltd.	United Kingdom

* Certain subsidiaries that are not significant have been omitted.