13F institutional ownership facts

Institutions tracked

50

Reported value

$3,198,840,745.00

Reported shares

50,977,542

Latest filing period

Q1 2026

Top institutional holders

  1. David E. Shaw - D.E. Shaw & Co. · $1,525,600,089 · 0.92%
  2. Ensign Peak Advisors · $282,829,436 · 0.53%
  3. Janus Henderson Group · $1,035,201,522 · 0.51%
  4. Lazard Asset Management · $306,251,634 · 0.5%
  5. Two Sigma Investments · $590,554,745 · 0.48%
  6. Adage Capital Partners · $290,735,622 · 0.45%

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.

$BSX

Institutional Holdings

50

Top Institutions

Top Institutions

1

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

24,312,352 shares

0.92%

% of Portfolio

2

Ensign Peak Advisors

4,507,242 shares

0.53%

% of Portfolio

3

Janus Henderson Group

16,497,366 shares

0.51%

% of Portfolio

4

Lazard Asset Management

4,880,504 shares

0.50%

% of Portfolio

5

Two Sigma Investments

9,411,231 shares

0.48%

% of Portfolio

6

Adage Capital Partners

4,633,237 shares

0.45%

% of Portfolio

7

Neuberger Berman

7,072,894 shares

0.34%

% of Portfolio

8

Canada Pension Plan Investment Board

8,035,947 shares

0.33%

% of Portfolio

9

Renaissance Technologies

3,152,005 shares

0.31%

% of Portfolio

10

Steve Cohen - Point72 Asset Management

3,687,315 shares

0.30%

% of Portfolio

11

Franklin Resources

14,498,741 shares

0.22%

% of Portfolio

12

Wellington Management

18,833,406 shares

0.22%

% of Portfolio

13

Nuveen

11,734,314 shares

0.20%

% of Portfolio

14

BNP Paribas

5,101,806 shares

0.16%

% of Portfolio

15

Fidelity International (FIL)

3,214,116 shares

0.16%

% of Portfolio

16

Cliff Asness - AQR Capital Management

5,239,836 shares

0.15%

% of Portfolio

17

Legal & General

10,600,766 shares

0.15%

% of Portfolio

18

New York State Teachers Retirement System

1,205,249 shares

0.15%

% of Portfolio

19

State Street Corp

67,986,847 shares

0.15%

% of Portfolio

20

David Solomon - Goldman Sachs

18,891,624 shares

0.14%

% of Portfolio

21

Larry Fink - BlackRock

131,822,037 shares

0.14%

% of Portfolio

22

Mitsubishi Ufj Asset Management Co., Ltd.

3,364,108 shares

0.14%

% of Portfolio

23

UBS Group

14,824,662 shares

0.14%

% of Portfolio

24

Geode Capital Management

33,285,757 shares

0.13%

% of Portfolio

25

Dmitry Balyasny - Balyasny Asset Management

1,356,133 shares

0.11%

% of Portfolio

26

Northern Trust Corp

13,373,881 shares

0.11%

% of Portfolio

27

Israel Englander - Millennium Management

4,337,804 shares

0.10%

% of Portfolio

28

CalPERS

2,261,265 shares

0.09%

% of Portfolio

29

Charles Schwab

9,170,180 shares

0.09%

% of Portfolio

30

Invesco

9,051,941 shares

0.09%

% of Portfolio

31

Morgan Stanley

22,266,664 shares

0.08%

% of Portfolio

32

SG Americas Securities

931,155 shares

0.06%

% of Portfolio

33

AllianceBernstein (AB)

1,625,785 shares

0.05%

% of Portfolio

34

Capital World Investors

15,309,738 shares

0.13%

% of Portfolio

35

T. Rowe Price

7,873,368 shares

0.06%

% of Portfolio

36

Ken Griffin - Citadel Advisors

4,217,314 shares

0.04%

% of Portfolio

37

PNC Financial Services

1,159,624 shares

0.04%

% of Portfolio

38

Jane Street Group

4,032,117 shares

0.03%

% of Portfolio

39

Voya Investment Mgmt

422,418 shares

0.03%

% of Portfolio

40

Jennison Associates

897,775 shares

0.04%

% of Portfolio

41

Ken Fisher - Fisher Asset Management

450,603 shares

0.01%

% of Portfolio

42

Robeco Institutional Asset Management

105,313 shares

0.01%

% of Portfolio

43

Artisan Partners

44,384 shares

NaN%

% of Portfolio

44

Jan van Eck - VanEck

88,773 shares

NaN%

% of Portfolio

45

Dodge & Cox

88,885 shares

NaN%

% of Portfolio

46

Jeremy Grantham - GMO

15,000 shares

NaN%

% of Portfolio

47

Mike Hankin - Brown Advisory INC

20,300 shares

NaN%

% of Portfolio

48

Lee Ainslie - Maverick Capital

4,195,089 shares

3.04%

% of Portfolio

49

Farallon Capital

7,470,684 shares

2.67%

% of Portfolio

50

PSP Investments

2,077,623 shares

0.41%

% of Portfolio

Institutional InsightPRO

Scale Distribution

MEGA

32%

LARGE

44%

MEDIUM

16%

SMALL

8%

Geographic Distribution

North America
62%
Europe
24%
Asia Pacific
17%
Other
9%

Institutional Activity

Buyers

57

Sellers

39

Holders

81

New

11

Exited

8

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Insider TradingPRO

Trading Statistics

Insider Buyers

20

Insider Sellers

39

Purchase Value

$32.5M

Role Distribution

CEO
27%
CFO
21%
Director
39%
VP
16%
Other
5%
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RatingPRO

77

B+

Overall Score

Moderate institutional interest with stable holdings

Rating Dimensions

Institutional Ownership
82
Recent Activity
84
Concentration
71
Momentum
83
Stability
79

Recent Actions

New

12

Increased

29

Decreased

14

Exited

2

Total

45

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