13F institutional ownership facts

Institutions tracked

50

Reported value

$170,671,899.00

Reported shares

344,736

Latest filing period

Q2 2026

Top institutional holders

  1. Lazard Asset Management · $393,036,972 · 0.59%
  2. Robeco Institutional Asset Management · $343,615,720 · 0.42%
  3. Voya Investment Mgmt · $345,884,671 · 0.3%
  4. PFA Pension · $96,537,485 · 0.25%
  5. Neuberger Berman · $221,521,891 · 0.15%
  6. UBS Group · $1,081,090,848 · 0.14%

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.

$ROK

Institutional Holdings

50

Top Institutions

Top Institutions

1

Lazard Asset Management

793,886 shares

0.59%

% of Portfolio

2

Robeco Institutional Asset Management

694,061 shares

0.42%

% of Portfolio

3

Voya Investment Mgmt

698,644 shares

0.30%

% of Portfolio

4

PFA Pension

194,994 shares

0.25%

% of Portfolio

5

Neuberger Berman

447,447 shares

0.15%

% of Portfolio

6

UBS Group

2,183,669 shares

0.14%

% of Portfolio

7

Dmitry Balyasny - Balyasny Asset Management

188,603 shares

0.12%

% of Portfolio

8

Joel Greenblatt - Gotham Asset Management

101,968 shares

0.12%

% of Portfolio

9

Amundi

910,796 shares

0.11%

% of Portfolio

10

Mitsubishi Ufj Asset Management Co., Ltd.

388,222 shares

0.11%

% of Portfolio

11

Charles Schwab

1,524,563 shares

0.10%

% of Portfolio

12

Larry Fink - BlackRock

12,380,576 shares

0.09%

% of Portfolio

13

David Solomon - Goldman Sachs

1,933,275 shares

0.08%

% of Portfolio

14

Geode Capital Management

3,132,604 shares

0.08%

% of Portfolio

15

Jamie Dimon - JPMorgan Chase

2,919,588 shares

0.08%

% of Portfolio

16

Legal & General

797,658 shares

0.08%

% of Portfolio

17

Morgan Stanley

3,040,314 shares

0.08%

% of Portfolio

18

Northern Trust Corp

1,437,183 shares

0.08%

% of Portfolio

19

State Street Corp

5,323,990 shares

0.08%

% of Portfolio

20

Invesco

1,820,740 shares

0.07%

% of Portfolio

21

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

81,687 shares

0.07%

% of Portfolio

22

T. Rowe Price

1,241,264 shares

0.06%

% of Portfolio

23

Nuveen

420,926 shares

0.05%

% of Portfolio

24

Artisan Partners

176,879 shares

0.14%

% of Portfolio

25

Ken Fisher - Fisher Asset Management

959,431 shares

0.14%

% of Portfolio

26

Adage Capital Partners

96,200 shares

0.07%

% of Portfolio

27

Jennison Associates

228,111 shares

0.07%

% of Portfolio

28

Canada Pension Plan Investment Board

229,482 shares

0.06%

% of Portfolio

29

CalPERS

196,560 shares

0.05%

% of Portfolio

30

BNP Paribas

229,501 shares

0.04%

% of Portfolio

31

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

145,738 shares

0.03%

% of Portfolio

32

Ensign Peak Advisors

39,462 shares

0.03%

% of Portfolio

33

Cliff Asness - AQR Capital Management

126,388 shares

0.02%

% of Portfolio

34

Franklin Resources

165,693 shares

0.02%

% of Portfolio

35

PSP Investments

17,916 shares

0.02%

% of Portfolio

36

SG Americas Securities

58,887 shares

0.02%

% of Portfolio

37

Ken Griffin - Citadel Advisors

47,991 shares

0.00%

% of Portfolio

38

Fidelity International (FIL)

60,003 shares

0.02%

% of Portfolio

39

Mike Hankin - Brown Advisory INC

29,598 shares

0.02%

% of Portfolio

40

PNC Financial Services

79,497 shares

0.02%

% of Portfolio

41

Jan van Eck - VanEck

27,244 shares

0.01%

% of Portfolio

42

Jeremy Grantham - GMO

9,915 shares

0.01%

% of Portfolio

43

Two Sigma Investments

12,360 shares

NaN%

% of Portfolio

44

Jane Street Group

9,738 shares

NaN%

% of Portfolio

45

Wellington Management

3,020 shares

NaN%

% of Portfolio

46

Israel Englander - Millennium Management

0 shares

0.00%

% of Portfolio

47

Mario Gabelli - GAMCO Investors

111,389 shares

0.49%

% of Portfolio

48

Mairs & Power

257,811 shares

1.17%

% of Portfolio

49

Tom Gayner - Markel Group

154,900 shares

0.58%

% of Portfolio

50

New York Life Invest

16,608 shares

0.06%

% of Portfolio

Institutional InsightPRO

Scale Distribution

MEGA

31%

LARGE

22%

MEDIUM

33%

SMALL

14%

Geographic Distribution

North America
61%
Europe
22%
Asia Pacific
14%
Other
5%

Institutional Activity

Buyers

56

Sellers

17

Holders

98

New

22

Exited

15

Unlock Pro to view full data

Insider TradingPRO

Trading Statistics

Insider Buyers

19

Insider Sellers

17

Purchase Value

$13.4M

Role Distribution

CEO
26%
CFO
19%
Director
36%
VP
12%
Other
5%
Unlock Pro to view full data

RatingPRO

86

A

Overall Score

Strong institutional support with positive momentum

Rating Dimensions

Institutional Ownership
71
Recent Activity
82
Concentration
63
Momentum
79
Stability
62

Recent Actions

New

11

Increased

27

Decreased

11

Exited

4

Total

40

Unlock Pro to view full data