13F institutional ownership facts

Institutions tracked

45

Reported value

$618,876,424.00

Reported shares

52,011,527

Latest filing period

Q1 2026

Top institutional holders

  1. Jane Street Group · $19,817,740 · 0%
  2. Wellington Management · $109,189,995 · 0.02%
  3. Dmitry Balyasny - Balyasny Asset Management · $17,825,263 · 0.02%
  4. Nuveen · $42,649,497 · 0.01%
  5. Israel Englander - Millennium Management · $14,665,349 · 0.01%
  6. First Eagle Investment Management · $5,349,421 · 0.01%

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.

$MGNI

Institutional Holdings

45

Top Institutions

Top Institutions

1

Jane Street Group

1,668,160 shares

0.00%

% of Portfolio

2

Wellington Management

9,191,077 shares

0.02%

% of Portfolio

3

Dmitry Balyasny - Balyasny Asset Management

1,500,443 shares

0.02%

% of Portfolio

4

Nuveen

3,590,025 shares

0.01%

% of Portfolio

5

Israel Englander - Millennium Management

1,234,457 shares

0.01%

% of Portfolio

6

First Eagle Investment Management

450,288 shares

0.01%

% of Portfolio

7

Ken Griffin - Citadel Advisors

1,052,908 shares

NaN%

% of Portfolio

8

Two Sigma Investments

394,856 shares

NaN%

% of Portfolio

9

Voya Investment Mgmt

210,567 shares

NaN%

% of Portfolio

10

Geode Capital Management

3,553,790 shares

NaN%

% of Portfolio

11

Larry Fink - BlackRock

11,657,496 shares

NaN%

% of Portfolio

12

David Solomon - Goldman Sachs

1,500,852 shares

NaN%

% of Portfolio

13

Charles Schwab

1,180,431 shares

NaN%

% of Portfolio

14

Northern Trust Corp

1,322,571 shares

NaN%

% of Portfolio

15

State Street Corp

3,163,139 shares

NaN%

% of Portfolio

16

AllianceBernstein (AB)

223,191 shares

NaN%

% of Portfolio

17

UBS Group

450,349 shares

NaN%

% of Portfolio

18

SG Americas Securities

57,237 shares

NaN%

% of Portfolio

19

Capital World Investors

456,672 shares

NaN%

% of Portfolio

20

Morgan Stanley

926,819 shares

NaN%

% of Portfolio

21

Cliff Asness - AQR Capital Management

121,212 shares

NaN%

% of Portfolio

22

Mike Hankin - Brown Advisory INC

31,524 shares

NaN%

% of Portfolio

23

Invesco

261,370 shares

NaN%

% of Portfolio

24

Jennison Associates

57,849 shares

NaN%

% of Portfolio

25

Canada Pension Plan Investment Board

46,052 shares

NaN%

% of Portfolio

26

Janus Henderson Group

58,423 shares

NaN%

% of Portfolio

27

Legal & General

122,047 shares

NaN%

% of Portfolio

28

Franklin Resources

109,583 shares

NaN%

% of Portfolio

29

Ensign Peak Advisors

13,658 shares

NaN%

% of Portfolio

30

BNP Paribas

31,464 shares

NaN%

% of Portfolio

31

T. Rowe Price

165,440 shares

NaN%

% of Portfolio

32

PNC Financial Services

3,783 shares

NaN%

% of Portfolio

33

Chuck Royce - Royce & Associates

1,365,489 shares

0.16%

% of Portfolio

34

Exoduspoint Capital Management, Lp

149,219 shares

0.01%

% of Portfolio

35

Mario Gabelli - GAMCO Investors

60,653 shares

0.01%

% of Portfolio

36

Paul Tudor Jones - Tudor Investment Corp

73,645 shares

NaN%

% of Portfolio

37

Natixis

42,100 shares

NaN%

% of Portfolio

38

Joel Greenblatt - Gotham Asset Management

12,885 shares

NaN%

% of Portfolio

39

Ray Dalio - Bridgewater Associates

0 shares

0.00%

% of Portfolio

40

John P. Calamos, Sr. - Calamos Advisors LLC

0 shares

0.00%

% of Portfolio

41

Verition Fund Management LLC

0 shares

0.00%

% of Portfolio

42

Parallax Volatility Advisers

13,133 shares

NaN%

% of Portfolio

43

Jamie Dimon - JPMorgan Chase

0 shares

0.00%

% of Portfolio

44

Nine Ten Capital Management

3,481,283 shares

13.14%

% of Portfolio

45

325 Capital

2,005,387 shares

8.68%

% of Portfolio

Institutional InsightPRO

Scale Distribution

MEGA

34%

LARGE

28%

MEDIUM

22%

SMALL

16%

Geographic Distribution

North America
64%
Europe
28%
Asia Pacific
11%
Other
9%

Institutional Activity

Buyers

59

Sellers

23

Holders

67

New

19

Exited

6

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Insider TradingPRO

Trading Statistics

Insider Buyers

22

Insider Sellers

23

Purchase Value

$14.1M

Role Distribution

CEO
29%
CFO
17%
Director
33%
VP
16%
Other
5%
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RatingPRO

89

A

Overall Score

Moderate institutional interest with stable holdings

Rating Dimensions

Institutional Ownership
74
Recent Activity
88
Concentration
72
Momentum
91
Stability
77

Recent Actions

New

14

Increased

33

Decreased

20

Exited

4

Total

55

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