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MBIA
MBI

Overview Fund Activity

111 hedge funds and large institutions have $102M invested in MBIA in 2025 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 45 increasing their positions, 34 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
111
Holders Change
-9
Holders Change %
-7.5%
% of All Funds
1.49%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
8
Increased
45
Reduced
34
Closed
16
Calls
$387K
Puts
$250K
Net Calls
+$137K
Net Calls Change
-$673K

Top Buyers

1
Marshall Wace
Marshall Wace
United Kingdom
+$1.17M
2
TG
TCW Group
California
+$1M
3
Citadel Advisors
Citadel Advisors
Florida
+$599K
4
GCP
GSA Capital Partners
United Kingdom
+$526K
5
Vanguard Group
Vanguard Group
Pennsylvania
+$477K

Top Sellers

1
WHCM
Wolf Hill Capital Management
Connecticut
-$3.71M
2
UBS Group
UBS Group
Switzerland
-$1.44M
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$660K
4
BlackRock
BlackRock
New York
-$531K
5
JEST
JTC Employer Solutions Trustee
Jersey
-$434K
Name Holding Trade Value Shares
Change 		Shares
Change %
Bank of New York Mellon
26
Bank of New York Mellon
New York
$582K +$5.05K +1,163 +0.9%
Renaissance Technologies
27
Renaissance Technologies
New York
$580K +$237K +54,500 +69%
NL
28
Nuveen LLC
North Carolina
$524K -$114K -26,174 -18%
State of Wisconsin Investment Board
29
State of Wisconsin Investment Board
Wisconsin
$517K +$101K +23,227 +24%
BCM
30
Bluefin Capital Management
New York
$493K +$49.7K +11,457 +11%
JPMorgan Chase & Co
31
JPMorgan Chase & Co
New York
$471K -$236K -54,457 -33%
T. Rowe Price Associates
32
T. Rowe Price Associates
Maryland
$441K +$5.46K +1,257 +1%
Two Sigma Advisers
33
Two Sigma Advisers
New York
$430K -$56.4K -13,000 -12%
NS
34
NBC Securities
Alabama
$426K +$66.6K +15,349 +19%
Jane Street
35
Jane Street
New York
$420K +$185K +42,669 +79%
CM
36
Caption Management
Oklahoma
$411K -$19.5K -4,489 -5%
BCM
37
Bridgeway Capital Management
Texas
$347K – – –
Russell Investments Group
38
Russell Investments Group
United Kingdom
$339K +$2.84K +654 +0.8%
AllianceBernstein
39
AllianceBernstein
Tennessee
$333K +$24.7K +5,700 +8%
Barclays
40
Barclays
United Kingdom
$332K +$137K +31,679 +71%
Tudor Investment Corp
41
Tudor Investment Corp
Connecticut
$318K -$40.1K -9,234 -11%
SFI
42
Susquehanna Fundamental Investments
Pennsylvania
$307K -$251K -57,740 -45%
RhumbLine Advisers
43
RhumbLine Advisers
Massachusetts
$303K +$15.7K +3,626 +5%
TI
44
Trexquant Investment
Connecticut
$274K -$392K -90,422 -59%
Squarepoint
45
Squarepoint
New York
$259K +$151K +34,758 +140%
D.E. Shaw & Co
46
D.E. Shaw & Co
New York
$254K -$120K -27,640 -32%
Royal Bank of Canada
47
Royal Bank of Canada
Ontario, Canada
$254K +$214K +49,277 +533%
FNBT
48
FineMark National Bank & Trust
Florida
$217K +$217K +50,000 New
Simplex Trading
49
Simplex Trading
Illinois
$209K -$114K -26,348 -35%
XT
50
XTX Topco
Cayman Islands
$208K +$79.4K +18,301 +62%
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