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MBIA
MBI

Overview Fund Activity

110 hedge funds and large institutions have $101M invested in MBIA in 2025 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 45 increasing their positions, 33 reducing their positions, and 16 closing their positions.

Holders
110
Holders Change
-10
Holders Change %
-8.33%
% of All Funds
1.48%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
8
Increased
45
Reduced
33
Closed
16
Calls
$387K
Puts
$71K
Net Calls
+$316K
Net Calls Change
-$494K

Top Buyers

1
Marshall Wace
1
Marshall Wace
United Kingdom
$1.81M
2
TG
2
TCW Group
California
$4.46M
3
Citadel Advisors
3
Citadel Advisors
Florida
$1.74M
4
GCP
4
GSA Capital Partners
United Kingdom
$669K
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$11M

Top Sellers

1
WHCM
1
Wolf Hill Capital Management
Connecticut
$10.7M
2
UBS Group
2
UBS Group
Switzerland
$2.58M
3
BlackRock
3
BlackRock
New York
$14.5M
4
JEST
4
JTC Employer Solutions Trustee
Jersey
$782K
5
TI
5
Trexquant Investment
Connecticut
$274K
Name Market Value Shares Shares
Change 		Shares
Change %
Bank of New York Mellon
26
Bank of New York Mellon
New York
$582K 134,071 +1,163 +0.9%
Renaissance Technologies
27
Renaissance Technologies
New York
$580K 133,600 +54,500 +69%
NL
28
Nuveen LLC
North Carolina
$524K 120,640 -26,174 -18%
State of Wisconsin Investment Board
29
State of Wisconsin Investment Board
Wisconsin
$517K 119,111 +23,227 +24%
BCM
30
Bluefin Capital Management
New York
$493K 113,499 +11,457 +11%
JPMorgan Chase & Co
31
JPMorgan Chase & Co
New York
$471K 108,614 -54,457 -33%
T. Rowe Price Associates
32
T. Rowe Price Associates
Maryland
$441K 101,449 +1,257 +1%
Two Sigma Advisers
33
Two Sigma Advisers
New York
$430K 99,050 -13,000 -12%
NS
34
NBC Securities
Alabama
$426K 98,197 +15,349 +19%
Jane Street
35
Jane Street
New York
$420K 96,755 +42,669 +79%
CM
36
Caption Management
Oklahoma
$411K 94,607 -4,489 -5%
BCM
37
Bridgeway Capital Management
Texas
$347K 80,000 – –
Russell Investments Group
38
Russell Investments Group
United Kingdom
$339K 78,117 +654 +0.8%
AllianceBernstein
39
AllianceBernstein
Tennessee
$333K 76,640 +5,700 +8%
Barclays
40
Barclays
United Kingdom
$332K 76,521 +31,679 +71%
Tudor Investment Corp
41
Tudor Investment Corp
Connecticut
$318K 73,248 -9,234 -11%
SFI
42
Susquehanna Fundamental Investments
Pennsylvania
$307K 70,788 -57,740 -45%
RhumbLine Advisers
43
RhumbLine Advisers
Massachusetts
$303K 69,789 +3,626 +5%
TI
44
Trexquant Investment
Connecticut
$274K 63,067 -90,422 -59%
Squarepoint
45
Squarepoint
New York
$259K 59,613 +34,758 +140%
D.E. Shaw & Co
46
D.E. Shaw & Co
New York
$254K 58,542 -27,640 -32%
Royal Bank of Canada
47
Royal Bank of Canada
Ontario, Canada
$254K 58,527 +49,277 +533%
FNBT
48
FineMark National Bank & Trust
Florida
$217K 50,000 +50,000 New
Simplex Trading
49
Simplex Trading
Illinois
$209K 48,183 -26,348 -35%
XT
50
XTX Topco
Cayman Islands
$208K 47,829 +18,301 +62%
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