13F institutional ownership facts

Institutions tracked

27

Reported value

$2,157,599.00

Reported shares

345,769

Latest filing period

Q2 2026

Top institutional holders

  1. Ken Griffin - Citadel Advisors · $2,638,128 · <0.01%%
  2. Jane Street Group · $1,739,281 · <0.01%%
  3. Renaissance Technologies · $731,328 · <0.01%%
  4. Nuveen · $2,671,751 · <0.01%%
  5. Cliff Asness - AQR Capital Management · $1,434,513 · <0.01%%
  6. Larry Fink - BlackRock · $28,532,501 · <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.

$AMBC

Institutional Holdings

27

Top Institutions

Top Institutions

1

Ken Griffin - Citadel Advisors

422,777 shares

NaN%

% of Portfolio

2

Jane Street Group

278,731 shares

NaN%

% of Portfolio

3

Renaissance Technologies

117,200 shares

NaN%

% of Portfolio

4

Nuveen

428,165 shares

NaN%

% of Portfolio

5

Cliff Asness - AQR Capital Management

229,890 shares

NaN%

% of Portfolio

6

Larry Fink - BlackRock

4,572,516 shares

NaN%

% of Portfolio

7

Lazard Asset Management

43,331 shares

NaN%

% of Portfolio

8

David Solomon - Goldman Sachs

560,756 shares

NaN%

% of Portfolio

9

Geode Capital Management

1,106,335 shares

NaN%

% of Portfolio

10

Charles Schwab

377,869 shares

NaN%

% of Portfolio

11

Northern Trust Corp

352,680 shares

NaN%

% of Portfolio

12

Morgan Stanley

569,563 shares

NaN%

% of Portfolio

13

State Street Corp

898,673 shares

NaN%

% of Portfolio

14

UBS Group

147,197 shares

NaN%

% of Portfolio

15

Israel Englander - Millennium Management

19,610 shares

NaN%

% of Portfolio

16

T. Rowe Price

116,612 shares

NaN%

% of Portfolio

17

BNP Paribas

21,554 shares

NaN%

% of Portfolio

18

Invesco

127,868 shares

NaN%

% of Portfolio

19

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

12,207 shares

NaN%

% of Portfolio

20

SG Americas Securities

11,203 shares

NaN%

% of Portfolio

21

Franklin Resources

10,628 shares

NaN%

% of Portfolio

22

Jamie Dimon - JPMorgan Chase

18,668 shares

NaN%

% of Portfolio

23

Legal & General

3,839 shares

NaN%

% of Portfolio

24

PNC Financial Services

1,438 shares

NaN%

% of Portfolio

25

Paul Tudor Jones - Tudor Investment Corp

216,362 shares

NaN%

% of Portfolio

26

Steve Cohen - Point72 Asset Management

0 shares

0.00%

% of Portfolio

27

Verition Fund Management LLC

0 shares

0.00%

% of Portfolio

Institutional InsightPRO

Scale Distribution

MEGA

30%

LARGE

20%

MEDIUM

30%

SMALL

20%

Geographic Distribution

North America
60%
Europe
20%
Asia Pacific
11%
Other
9%

Institutional Activity

Buyers

55

Sellers

15

Holders

95

New

18

Exited

10

Unlock Pro to view full data

Insider TradingPRO

Trading Statistics

Insider Buyers

18

Insider Sellers

15

Purchase Value

$13.1M

Role Distribution

CEO
25%
CFO
17%
Director
33%
VP
16%
Other
5%
Unlock Pro to view full data

RatingPRO

85

A

Overall Score

Moderate institutional interest with stable holdings

Rating Dimensions

Institutional Ownership
70
Recent Activity
80
Concentration
60
Momentum
75
Stability
89

Recent Actions

New

10

Increased

25

Decreased

8

Exited

6

Total

35

Unlock Pro to view full data