13F institutional ownership facts

Institutions tracked

50

Reported value

$2,408,294,048.00

Reported shares

4,574,679

Latest filing period

Q2 2026

Top institutional holders

  1. Ron Baron - Baron Capital · $1,040,655,010 · 1.56%
  2. Invesco · $1,901,193,880 · 0.15%
  3. Steve Cohen - Point72 Asset Management · $138,403,708 · 0.15%
  4. Neuberger Berman · $186,002,698 · 0.12%
  5. Renaissance Technologies · $57,794,689 · 0.08%
  6. Amundi · $299,926,028 · 0.07%

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.

$IDXX

Institutional Holdings

50

Top Institutions

Top Institutions

1

Ron Baron - Baron Capital

1,976,778 shares

1.56%

% of Portfolio

2

Invesco

3,611,416 shares

0.15%

% of Portfolio

3

Steve Cohen - Point72 Asset Management

262,905 shares

0.15%

% of Portfolio

4

Neuberger Berman

353,322 shares

0.12%

% of Portfolio

5

Renaissance Technologies

109,784 shares

0.08%

% of Portfolio

6

Amundi

569,725 shares

0.07%

% of Portfolio

7

Franklin Resources

575,784 shares

0.07%

% of Portfolio

8

Geode Capital Management

2,562,886 shares

0.07%

% of Portfolio

9

Wellington Management

726,695 shares

0.07%

% of Portfolio

10

Joel Greenblatt - Gotham Asset Management

47,154 shares

0.06%

% of Portfolio

11

Larry Fink - BlackRock

8,170,178 shares

0.06%

% of Portfolio

12

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

62,385 shares

0.06%

% of Portfolio

13

Northern Trust Corp

918,137 shares

0.06%

% of Portfolio

14

Nuveen

484,519 shares

0.06%

% of Portfolio

15

State Street Corp

3,748,660 shares

0.06%

% of Portfolio

16

Charles Schwab

650,429 shares

0.05%

% of Portfolio

17

Baillie Gifford

353,797 shares

0.17%

% of Portfolio

18

Robeco Institutional Asset Management

172,393 shares

0.11%

% of Portfolio

19

Mike Hankin - Brown Advisory INC

108,229 shares

0.09%

% of Portfolio

20

Legal & General

617,197 shares

0.07%

% of Portfolio

21

Mitsubishi Ufj Asset Management Co., Ltd.

199,070 shares

0.06%

% of Portfolio

22

Adage Capital Partners

70,301 shares

0.05%

% of Portfolio

23

CalPERS

158,871 shares

0.05%

% of Portfolio

24

Canada Pension Plan Investment Board

120,895 shares

0.04%

% of Portfolio

25

Morgan Stanley

1,356,103 shares

0.04%

% of Portfolio

26

Voya Investment Mgmt

95,942 shares

0.04%

% of Portfolio

27

Jane Street Group

105,108 shares

0.00%

% of Portfolio

28

BNP Paribas

141,180 shares

0.03%

% of Portfolio

29

David Solomon - Goldman Sachs

738,708 shares

0.03%

% of Portfolio

30

SG Americas Securities

87,840 shares

0.03%

% of Portfolio

31

Israel Englander - Millennium Management

78,980 shares

0.02%

% of Portfolio

32

Jamie Dimon - JPMorgan Chase

755,791 shares

0.02%

% of Portfolio

33

Lazard Asset Management

20,515 shares

0.02%

% of Portfolio

34

PSP Investments

12,811 shares

0.02%

% of Portfolio

35

T. Rowe Price

458,318 shares

0.02%

% of Portfolio

36

UBS Group

364,663 shares

0.02%

% of Portfolio

37

Ken Griffin - Citadel Advisors

38,846 shares

0.00%

% of Portfolio

38

Cliff Asness - AQR Capital Management

77,198 shares

0.01%

% of Portfolio

39

PFA Pension

42,986 shares

0.06%

% of Portfolio

40

Ensign Peak Advisors

30,147 shares

0.03%

% of Portfolio

41

Jan van Eck - VanEck

24,601 shares

0.01%

% of Portfolio

42

PNC Financial Services

46,351 shares

0.01%

% of Portfolio

43

Fidelity International (FIL)

8,278 shares

NaN%

% of Portfolio

44

Dmitry Balyasny - Balyasny Asset Management

1,808 shares

NaN%

% of Portfolio

45

Two Sigma Investments

1,020 shares

NaN%

% of Portfolio

46

Bill Nygren - Oakmark Select Fund

455 shares

NaN%

% of Portfolio

47

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

0 shares

0.00%

% of Portfolio

48

Capital World Investors

0 shares

0.00%

% of Portfolio

49

Ken Fisher - Fisher Asset Management

0 shares

0.00%

% of Portfolio

50

Terry Smith - Fundsmith

1,019,887 shares

3.93%

% of Portfolio

Institutional InsightPRO

Scale Distribution

MEGA

32%

LARGE

34%

MEDIUM

16%

SMALL

18%

Geographic Distribution

North America
62%
Europe
29%
Asia Pacific
17%
Other
9%

Institutional Activity

Buyers

37

Sellers

29

Holders

81

New

21

Exited

16

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Insider TradingPRO

Trading Statistics

Insider Buyers

15

Insider Sellers

29

Purchase Value

$8.9M

Role Distribution

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

67

B-

Overall Score

Moderate institutional interest with stable holdings

Rating Dimensions

Institutional Ownership
77
Recent Activity
74
Concentration
76
Momentum
93
Stability
63

Recent Actions

New

12

Increased

29

Decreased

14

Exited

6

Total

35

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