13F institutional ownership facts

Institutions tracked

50

Reported value

$4,345,600,644.00

Reported shares

9,068,428

Latest filing period

Q1 2026

Top institutional holders

  1. Artisan Partners · $1,248,630,355 · 2%
  2. New York State Teachers Retirement System · $707,598,000 · 1.44%
  3. Adage Capital Partners · $803,986,905 · 1.24%
  4. State Street Corp · $35,508,270,510 · 1.23%
  5. Geode Capital Management · $19,683,991,574 · 1.22%
  6. Mitsubishi Ufj Asset Management Co., Ltd. · $1,751,229,691 · 1.18%

Data source and limitations

This page uses public SEC Form 13F disclosures and related institutional filing data. 13F reports are periodic disclosures and may not represent current real-time holdings.

13F Hub provides research and education data only. It does not provide personalized investment advice.

$BRK.B

Institutional Holdings

50

Top Institutions

Top Institutions

1

Artisan Partners

2,605,656 shares

2.00%

% of Portfolio

2

New York State Teachers Retirement System

1,476,623 shares

1.44%

% of Portfolio

3

Adage Capital Partners

1,677,769 shares

1.24%

% of Portfolio

4

State Street Corp

74,099,062 shares

1.23%

% of Portfolio

5

Geode Capital Management

41,159,806 shares

1.22%

% of Portfolio

6

Mitsubishi Ufj Asset Management Co., Ltd.

3,654,486 shares

1.18%

% of Portfolio

7

Larry Fink - BlackRock

121,207,647 shares

1.01%

% of Portfolio

8

Northern Trust Corp

15,487,316 shares

0.98%

% of Portfolio

9

Canada Pension Plan Investment Board

2,991,382 shares

0.92%

% of Portfolio

10

Charles Schwab

11,381,789 shares

0.83%

% of Portfolio

11

Morgan Stanley

26,854,441 shares

0.78%

% of Portfolio

12

Nuveen

5,591,328 shares

0.73%

% of Portfolio

13

AllianceBernstein (AB)

4,372,927 shares

0.71%

% of Portfolio

14

Legal & General

5,895,041 shares

0.65%

% of Portfolio

15

Two Sigma Investments

1,621,590 shares

0.63%

% of Portfolio

16

Neuberger Berman

1,650,174 shares

0.60%

% of Portfolio

17

Mike Hankin - Brown Advisory INC

1,012,512 shares

0.80%

% of Portfolio

18

Ensign Peak Advisors

863,874 shares

0.77%

% of Portfolio

19

Voya Investment Mgmt

1,034,837 shares

0.52%

% of Portfolio

20

Fidelity International (FIL)

1,017,790 shares

0.38%

% of Portfolio

21

Cliff Asness - AQR Capital Management

1,642,048 shares

0.36%

% of Portfolio

22

Invesco

4,895,145 shares

0.36%

% of Portfolio

23

UBS Group

4,563,946 shares

0.33%

% of Portfolio

24

PNC Financial Services

1,082,746 shares

0.30%

% of Portfolio

25

Dmitry Balyasny - Balyasny Asset Management

439,396 shares

0.27%

% of Portfolio

26

SG Americas Securities

509,344 shares

0.26%

% of Portfolio

27

Rajiv Jain - Gqg Partners

1,896,646 shares

1.44%

% of Portfolio

28

Robeco Institutional Asset Management

365,647 shares

0.25%

% of Portfolio

29

Wellington Management

1,645,590 shares

0.15%

% of Portfolio

30

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

468,204 shares

0.13%

% of Portfolio

31

Franklin Resources

1,113,061 shares

0.13%

% of Portfolio

32

Israel Englander - Millennium Management

653,140 shares

0.13%

% of Portfolio

33

Ken Griffin - Citadel Advisors

1,193,500 shares

0.09%

% of Portfolio

34

First Eagle Investment Management

57,603 shares

0.04%

% of Portfolio

35

CalPERS

0 shares

0.00%

% of Portfolio

36

Capital International Investors

844,452 shares

0.09%

% of Portfolio

37

Lazard Asset Management

105,390 shares

0.08%

% of Portfolio

38

Janus Henderson Group

249,365 shares

0.06%

% of Portfolio

39

Jane Street Group

65,867 shares

0.00%

% of Portfolio

40

Bill Nygren - Oakmark Select Fund

25,439 shares

0.02%

% of Portfolio

41

Josef Lakonishok - Lsv Asset Management

11,200 shares

0.01%

% of Portfolio

42

Ken Fisher - Fisher Asset Management

38,121 shares

0.01%

% of Portfolio

43

Jeremy Grantham - GMO

2,654 shares

NaN%

% of Portfolio

44

Dodge & Cox

11,440 shares

NaN%

% of Portfolio

45

Renaissance Technologies

1,722 shares

NaN%

% of Portfolio

46

Bill Gates - Gates Foundation Trust

17,048,304 shares

25.80%

% of Portfolio

47

Tom Russo - Gardner Russo & Quinn

1,110,429 shares

6.26%

% of Portfolio

48

Tom Gayner - Markel Group

1,531,971 shares

6.15%

% of Portfolio

49

Diamond Hill Capital Management

1,272,427 shares

3.81%

% of Portfolio

50

Andrew Beck - River Road Asset Mgmt

455,439 shares

2.47%

% of Portfolio

Institutional InsightPRO

Scale Distribution

MEGA

40%

LARGE

25%

MEDIUM

20%

SMALL

15%

Geographic Distribution

North America
70%
Europe
15%
Asia Pacific
17%
Other
9%

Institutional Activity

Buyers

45

Sellers

20

Holders

65

New

8

Exited

8

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Insider TradingPRO

Trading Statistics

Insider Buyers

8

Insider Sellers

20

Purchase Value

$10.7M

Role Distribution

CEO
25%
CFO
21%
Director
39%
VP
16%
Other
5%
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RatingPRO

75

B+

Overall Score

Moderate institutional interest with stable holdings

Rating Dimensions

Institutional Ownership
85
Recent Activity
60
Concentration
65
Momentum
65
Stability
71

Recent Actions

New

10

Increased

25

Decreased

8

Exited

2

Total

45

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