13F institutional ownership facts

Institutions tracked

50

Reported value

$468,549,321.00

Reported shares

11,557,704

Latest filing period

Q1 2026

Top institutional holders

  1. Janus Henderson Group · $729,104,278 · 0.36%
  2. Jeremy Grantham - GMO · $118,528,136 · 0.3%
  3. Cliff Asness - AQR Capital Management · $401,470,968 · 0.18%
  4. Fidelity International (FIL) · $153,243,146 · 0.12%
  5. Capital International Investors · $419,685,269 · 0.1%
  6. Artisan Partners · $45,364,828 · 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.

$ARMK

Institutional Holdings

50

Top Institutions

Top Institutions

1

Janus Henderson Group

17,984,812 shares

0.36%

% of Portfolio

2

Jeremy Grantham - GMO

2,923,733 shares

0.30%

% of Portfolio

3

Cliff Asness - AQR Capital Management

9,903,082 shares

0.18%

% of Portfolio

4

Fidelity International (FIL)

3,780,048 shares

0.12%

% of Portfolio

5

Capital International Investors

10,354,916 shares

0.10%

% of Portfolio

6

Artisan Partners

1,119,014 shares

0.07%

% of Portfolio

7

Neuberger Berman

1,841,850 shares

0.06%

% of Portfolio

8

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

1,719,351 shares

0.04%

% of Portfolio

9

Renaissance Technologies

683,100 shares

0.04%

% of Portfolio

10

Morgan Stanley

14,444,250 shares

0.04%

% of Portfolio

11

T. Rowe Price

5,707,675 shares

0.03%

% of Portfolio

12

David Solomon - Goldman Sachs

4,825,433 shares

0.02%

% of Portfolio

13

Israel Englander - Millennium Management

1,207,246 shares

0.02%

% of Portfolio

14

Larry Fink - BlackRock

25,546,283 shares

0.02%

% of Portfolio

15

Ken Griffin - Citadel Advisors

412,704 shares

0.00%

% of Portfolio

16

Charles Schwab

1,863,997 shares

0.01%

% of Portfolio

17

Dmitry Balyasny - Balyasny Asset Management

170,578 shares

0.01%

% of Portfolio

18

Geode Capital Management

4,829,037 shares

0.01%

% of Portfolio

19

Northern Trust Corp

2,150,191 shares

0.01%

% of Portfolio

20

Nuveen

1,216,212 shares

0.01%

% of Portfolio

21

State Street Corp

7,919,118 shares

0.01%

% of Portfolio

22

UBS Group

2,327,604 shares

0.01%

% of Portfolio

23

Ken Fisher - Fisher Asset Management

1,463,992 shares

0.02%

% of Portfolio

24

CalPERS

473,125 shares

0.01%

% of Portfolio

25

Invesco

829,312 shares

0.01%

% of Portfolio

26

New York State Teachers Retirement System

119,660 shares

0.01%

% of Portfolio

27

Jane Street Group

166,928 shares

NaN%

% of Portfolio

28

BNP Paribas

188,559 shares

NaN%

% of Portfolio

29

Voya Investment Mgmt

93,869 shares

NaN%

% of Portfolio

30

AllianceBernstein (AB)

327,820 shares

NaN%

% of Portfolio

31

Legal & General

378,927 shares

NaN%

% of Portfolio

32

Lazard Asset Management

30,433 shares

NaN%

% of Portfolio

33

Ensign Peak Advisors

19,814 shares

NaN%

% of Portfolio

34

Wellington Management

154,662 shares

NaN%

% of Portfolio

35

First Eagle Investment Management

11,000 shares

NaN%

% of Portfolio

36

PNC Financial Services

22,800 shares

NaN%

% of Portfolio

37

Two Sigma Investments

14,907 shares

NaN%

% of Portfolio

38

Mitsubishi Ufj Asset Management Co., Ltd.

804 shares

NaN%

% of Portfolio

39

SG Americas Securities

0 shares

0.00%

% of Portfolio

40

Farallon Capital

6,135,431 shares

1.42%

% of Portfolio

41

Exoduspoint Capital Management, Lp

491,322 shares

0.16%

% of Portfolio

42

Joel Greenblatt - Gotham Asset Management

771,165 shares

0.10%

% of Portfolio

43

Verition Fund Management LLC

39,735 shares

0.01%

% of Portfolio

44

New York Life Invest

30,804 shares

0.01%

% of Portfolio

45

Paul Tudor Jones - Tudor Investment Corp

0 shares

0.00%

% of Portfolio

46

Natixis

0 shares

0.00%

% of Portfolio

47

PSP Investments

0 shares

0.00%

% of Portfolio

48

Permian Investment Partners

2,462,657 shares

11.03%

% of Portfolio

49

Black Creek Investment Management

542,258 shares

1.18%

% of Portfolio

50

Jamie Dimon - JPMorgan Chase

0 shares

0.00%

% of Portfolio

Institutional InsightPRO

Scale Distribution

MEGA

44%

LARGE

28%

MEDIUM

32%

SMALL

-4%

Geographic Distribution

North America
74%
Europe
23%
Asia Pacific
17%
Other
9%

Institutional Activity

Buyers

49

Sellers

23

Holders

97

New

9

Exited

16

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Insider TradingPRO

Trading Statistics

Insider Buyers

12

Insider Sellers

23

Purchase Value

$29.5M

Role Distribution

CEO
29%
CFO
21%
Director
39%
VP
16%
Other
5%
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RatingPRO

69

B-

Overall Score

Moderate institutional interest with stable holdings

Rating Dimensions

Institutional Ownership
74
Recent Activity
68
Concentration
82
Momentum
81
Stability
71

Recent Actions

New

14

Increased

33

Decreased

20

Exited

6

Total

35

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