13F institutional ownership facts

Institutions tracked

50

Reported value

$111,640,463.00

Reported shares

516,710

Latest filing period

Q2 2026

Top institutional holders

  1. Robeco Institutional Asset Management · $170,923,341 · 0.21%
  2. Josef Lakonishok - Lsv Asset Management · $95,941,000 · 0.17%
  3. Cliff Asness - AQR Capital Management · $416,928,075 · 0.15%
  4. Joel Greenblatt - Gotham Asset Management · $60,475,194 · 0.14%
  5. Wellington Management · $673,560,352 · 0.12%
  6. Amundi · $327,726,507 · 0.08%

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.

$BIIB

Institutional Holdings

50

Top Institutions

Top Institutions

1

Robeco Institutional Asset Management

791,092 shares

0.21%

% of Portfolio

2

Josef Lakonishok - Lsv Asset Management

444,049 shares

0.17%

% of Portfolio

3

Cliff Asness - AQR Capital Management

1,936,859 shares

0.15%

% of Portfolio

4

Joel Greenblatt - Gotham Asset Management

279,900 shares

0.14%

% of Portfolio

5

Wellington Management

3,117,469 shares

0.12%

% of Portfolio

6

Amundi

1,516,831 shares

0.08%

% of Portfolio

7

Dmitry Balyasny - Balyasny Asset Management

265,090 shares

0.07%

% of Portfolio

8

Geode Capital Management

4,449,295 shares

0.05%

% of Portfolio

9

Larry Fink - BlackRock

15,985,736 shares

0.05%

% of Portfolio

10

State Street Corp

7,344,327 shares

0.05%

% of Portfolio

11

Voya Investment Mgmt

246,782 shares

0.05%

% of Portfolio

12

Legal & General

1,493,289 shares

0.07%

% of Portfolio

13

Fidelity International (FIL)

342,623 shares

0.05%

% of Portfolio

14

Adage Capital Partners

129,599 shares

0.04%

% of Portfolio

15

CalPERS

329,106 shares

0.04%

% of Portfolio

16

Mitsubishi Ufj Asset Management Co., Ltd.

358,823 shares

0.04%

% of Portfolio

17

New York State Teachers Retirement System - New York State Teachers Retirement System

108,004 shares

0.04%

% of Portfolio

18

Northern Trust Corp

1,429,490 shares

0.04%

% of Portfolio

19

BNP Paribas

387,542 shares

0.03%

% of Portfolio

20

Charles Schwab

1,117,663 shares

0.03%

% of Portfolio

21

Invesco

1,803,944 shares

0.03%

% of Portfolio

22

Morgan Stanley

2,411,271 shares

0.03%

% of Portfolio

23

UBS Group

1,030,150 shares

0.03%

% of Portfolio

24

Renaissance Technologies

77,744 shares

0.02%

% of Portfolio

25

David Solomon - Goldman Sachs

1,230,390 shares

0.02%

% of Portfolio

26

Jamie Dimon - JPMorgan Chase

1,823,140 shares

0.02%

% of Portfolio

27

Lazard Asset Management

57,071 shares

0.02%

% of Portfolio

28

Nuveen

317,204 shares

0.02%

% of Portfolio

29

Steve Cohen - Point72 Asset Management

88,149 shares

0.02%

% of Portfolio

30

T. Rowe Price

774,283 shares

0.02%

% of Portfolio

31

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

74,438 shares

0.01%

% of Portfolio

32

Ken Griffin - Citadel Advisors

418,356 shares

0.01%

% of Portfolio

33

PSP Investments

24,211 shares

0.01%

% of Portfolio

34

Ken Fisher - Fisher Asset Management

338,018 shares

0.02%

% of Portfolio

35

Ensign Peak Advisors

37,354 shares

0.01%

% of Portfolio

36

Franklin Resources

137,436 shares

0.01%

% of Portfolio

37

Jan van Eck - VanEck

98,109 shares

0.01%

% of Portfolio

38

PNC Financial Services

41,119 shares

NaN%

% of Portfolio

39

SG Americas Securities

22,800 shares

NaN%

% of Portfolio

40

Neuberger Berman

13,048 shares

NaN%

% of Portfolio

41

Canada Pension Plan Investment Board

13,602 shares

NaN%

% of Portfolio

42

Jane Street Group

11,435 shares

NaN%

% of Portfolio

43

Two Sigma Investments

7,105 shares

NaN%

% of Portfolio

44

Mike Hankin - Brown Advisory INC

3,155 shares

NaN%

% of Portfolio

45

Israel Englander - Millennium Management

0 shares

0.00%

% of Portfolio

46

Sarah Ketterer - Causeway Capital Management

278,283 shares

0.65%

% of Portfolio

47

Lord, Abbett & Co. LLC

130,184 shares

0.08%

% of Portfolio

48

Jefferies Group

27,463 shares

0.04%

% of Portfolio

49

John P. Calamos, Sr. - Calamos Advisors LLC

34,879 shares

0.03%

% of Portfolio

50

New York Life Invest

22,013 shares

0.03%

% of Portfolio

Institutional InsightPRO

Scale Distribution

MEGA

33%

LARGE

21%

MEDIUM

19%

SMALL

27%

Geographic Distribution

North America
63%
Europe
26%
Asia Pacific
8%
Other
5%

Institutional Activity

Buyers

58

Sellers

16

Holders

84

New

15

Exited

13

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Insider TradingPRO

Trading Statistics

Insider Buyers

21

Insider Sellers

16

Purchase Value

$32.8M

Role Distribution

CEO
28%
CFO
15%
Director
30%
VP
12%
Other
5%
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RatingPRO

78

B+

Overall Score

Strong institutional support with positive momentum

Rating Dimensions

Institutional Ownership
83
Recent Activity
86
Concentration
74
Momentum
87
Stability
84

Recent Actions

New

13

Increased

31

Decreased

17

Exited

6

Total

50

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