$BRK.B

Artisan Partners

2,605,656 股

Adage Capital Partners

1,677,769 股

State Street Corp

74,099,062 股

Geode Capital Management

41,159,806 股

Mitsubishi Ufj Asset Management Co., Ltd.

3,654,486 股

Larry Fink - BlackRock

121,207,647 股

Northern Trust Corp

15,487,316 股

Canada Pension Plan Investment Board

2,991,382 股

Charles Schwab

11,381,789 股

Morgan Stanley

26,854,441 股

Nuveen

5,591,328 股

AllianceBernstein (AB)

4,372,927 股

Legal & General

5,895,041 股

Two Sigma Investments

1,621,590 股

Neuberger Berman

1,650,174 股

Mike Hankin - Brown Advisory INC

1,012,512 股

Ensign Peak Advisors

863,874 股

Voya Investment Mgmt

1,034,837 股

Fidelity International (FIL)

1,017,790 股

Invesco

4,895,145 股

Cliff Asness - AQR Capital Management

1,642,048 股

UBS Group

4,563,946 股

PNC Financial Services

1,082,746 股

Dmitry Balyasny - Balyasny Asset Management

439,396 股

SG Americas Securities

509,344 股

Rajiv Jain - Gqg Partners

1,896,646 股

Robeco Institutional Asset Management

365,647 股

Wellington Management

1,645,590 股

Franklin Resources

1,113,061 股

Israel Englander - Millennium Management

653,140 股

David E. Shaw - D.E. Shaw & Co.

468,204 股

Ken Griffin - Citadel Advisors

1,193,500 股

First Eagle Investment Management

57,603 股

CalPERS

0 股

Capital International Investors

844,452 股

Lazard Asset Management

105,390 股

Janus Henderson Group

249,365 股

Jane Street Group

65,867 股

Bill Nygren - Oakmark Select Fund

25,439 股

Ken Fisher - Fisher Asset Management

38,121 股

Josef Lakonishok - Lsv Asset Management

11,200 股

Dodge & Cox

11,440 股

Renaissance Technologies

1,722 股

Steve Cohen - Point72 Asset Management

0 股

Bill Gates - Gates Foundation Trust

17,048,304 股

Tom Russo - Gardner Russo & Quinn

1,110,429 股

Tom Gayner - Markel Group

1,531,971 股

Diamond Hill Capital Management

1,272,427 股

Andrew Beck - River Road Asset Mgmt

455,439 股

Chris Davis - Davis Selected Advisers

749,846 股