13F institutional ownership facts

Institutions tracked

50

Reported value

$577,801,519.00

Reported shares

10,154,684

Latest filing period

Q2 2026

Top institutional holders

  1. Jeremy Grantham - GMO · $164,645,840 · 0.37%
  2. Cliff Asness - AQR Capital Management · $457,391,485 · 0.16%
  3. Dmitry Balyasny - Balyasny Asset Management · $98,065,272 · 0.12%
  4. Joel Greenblatt - Gotham Asset Management · $47,838,504 · 0.11%
  5. Renaissance Technologies · $56,285,480 · 0.08%
  6. David E. Shaw - D.E. Shaw & Co. · $146,283,868 · 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

Jeremy Grantham - GMO

2,893,600 shares

0.37%

% of Portfolio

2

Cliff Asness - AQR Capital Management

8,147,337 shares

0.16%

% of Portfolio

3

Dmitry Balyasny - Balyasny Asset Management

1,723,467 shares

0.12%

% of Portfolio

4

Joel Greenblatt - Gotham Asset Management

840,747 shares

0.11%

% of Portfolio

5

Renaissance Technologies

989,200 shares

0.08%

% of Portfolio

6

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

2,570,894 shares

0.07%

% of Portfolio

7

Israel Englander - Millennium Management

3,157,913 shares

0.07%

% of Portfolio

8

Neuberger Berman

1,678,915 shares

0.06%

% of Portfolio

9

Capital International Investors

9,921,419 shares

0.12%

% of Portfolio

10

Artisan Partners

1,047,943 shares

0.09%

% of Portfolio

11

Fidelity International (FIL)

1,043,194 shares

0.04%

% of Portfolio

12

Morgan Stanley

11,900,157 shares

0.04%

% of Portfolio

13

Steve Cohen - Point72 Asset Management

586,006 shares

0.04%

% of Portfolio

14

T. Rowe Price

6,469,715 shares

0.04%

% of Portfolio

15

David Solomon - Goldman Sachs

5,986,256 shares

0.03%

% of Portfolio

16

Ken Griffin - Citadel Advisors

3,202,179 shares

0.02%

% of Portfolio

17

Larry Fink - BlackRock

24,808,188 shares

0.02%

% of Portfolio

18

Two Sigma Investments

294,304 shares

0.01%

% of Portfolio

19

BNP Paribas

488,366 shares

0.01%

% of Portfolio

20

Charles Schwab

1,887,492 shares

0.01%

% of Portfolio

21

Geode Capital Management

4,877,386 shares

0.01%

% of Portfolio

22

Jane Street Group

2,349,371 shares

0.01%

% of Portfolio

23

Northern Trust Corp

2,185,942 shares

0.01%

% of Portfolio

24

Nuveen

1,056,915 shares

0.01%

% of Portfolio

25

State Street Corp

8,185,957 shares

0.01%

% of Portfolio

26

UBS Group

1,540,794 shares

0.01%

% of Portfolio

27

Jennison Associates

809,531 shares

0.03%

% of Portfolio

28

Ken Fisher - Fisher Asset Management

1,450,212 shares

0.02%

% of Portfolio

29

CalPERS

461,277 shares

0.01%

% of Portfolio

30

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

124,065 shares

0.01%

% of Portfolio

31

SG Americas Securities

163,541 shares

0.01%

% of Portfolio

32

Wellington Management

542,447 shares

0.01%

% of Portfolio

33

Legal & General

378,527 shares

NaN%

% of Portfolio

34

Invesco

858,448 shares

NaN%

% of Portfolio

35

Voya Investment Mgmt

53,967 shares

NaN%

% of Portfolio

36

Jamie Dimon - JPMorgan Chase

874,460 shares

NaN%

% of Portfolio

37

Ensign Peak Advisors

16,114 shares

NaN%

% of Portfolio

38

First Eagle Investment Management

15,000 shares

NaN%

% of Portfolio

39

Amundi

72,592 shares

NaN%

% of Portfolio

40

Franklin Resources

78,660 shares

NaN%

% of Portfolio

41

PNC Financial Services

21,133 shares

NaN%

% of Portfolio

42

Mitsubishi Ufj Asset Management Co., Ltd.

804 shares

NaN%

% of Portfolio

43

Exoduspoint Capital Management, Lp

660,620 shares

0.24%

% of Portfolio

44

Farallon Capital

3,625,731 shares

0.95%

% of Portfolio

45

Natixis

205,264 shares

0.05%

% of Portfolio

46

Paul Tudor Jones - Tudor Investment Corp

480,809 shares

0.04%

% of Portfolio

47

Verition Fund Management LLC

135,150 shares

0.04%

% of Portfolio

48

Jefferies Group

57,688 shares

0.02%

% of Portfolio

49

New York Life Invest

31,910 shares

0.01%

% of Portfolio

50

Manning & Napier

55 shares

NaN%

% 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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