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120 hedge funds and large institutions have $122M invested in MBIA in 2025 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 26 increasing their positions, 49 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

121% more call options, than puts

Call options by funds: $1.48M | Put options by funds: $669K

38% more first-time investments, than exits

New positions opened: 18 | Existing positions closed: 13

4% more funds holding

Funds holding: 115120 (+5)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

0.82% less ownership

Funds ownership: 49.59%48.76% (-0.82%)

25% less capital invested

Capital invested by funds: $163M → $122M (-$41M)

47% less repeat investments, than reductions

Existing positions increased: 26 | Existing positions reduced: 49

Holders
120
Holders Change
+5
Holders Change %
+4.35%
% of All Funds
1.61%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
18
Increased
26
Reduced
49
Closed
13
Calls
$1.48M
Puts
$669K
Net Calls
+$810K
Net Calls Change
+$3.33M
Name Holding Trade Value Shares
Change
Change in
Stake
Marshall Wace
26
Marshall Wace
United Kingdom
$731K +$908K +146,772 New
Wells Fargo
27
Wells Fargo
California
$692K -$11.8K -1,908 -1%
Bank of New York Mellon
28
Bank of New York Mellon
New York
$662K +$396 +64 +0%
SFI
29
Susquehanna Fundamental Investments
Pennsylvania
$640K -$218K -35,252 -22%
Two Sigma Advisers
30
Two Sigma Advisers
New York
$558K -$73K -11,800 -10%
BCM
31
Bluefin Capital Management
New York
$508K +$632K +102,042 New
T. Rowe Price Associates
32
T. Rowe Price Associates
Maryland
$499K +$72K +11,634 +13%
CM
33
Caption Management
Oklahoma
$493K -$1.22M -197,672 -67%
State of Wisconsin Investment Board
34
State of Wisconsin Investment Board
Wisconsin
$478K -$327K -52,762 -35%
D.E. Shaw & Co
35
D.E. Shaw & Co
New York
$429K -$623K -100,646 -54%
SC
36
Shay Capital
New York
$428K -$577K -93,187 -52%
NS
37
NBC Securities
Alabama
$412K +$512K +82,786 +133,526%
Tudor Investment Corp
38
Tudor Investment Corp
Connecticut
$411K -$488K -78,923 -49%
BCM
39
Bridgeway Capital Management
Texas
$398K -$217K -35,000 -30%
Renaissance Technologies
40
Renaissance Technologies
New York
$394K -$338K -54,568 -41%
Russell Investments Group
41
Russell Investments Group
United Kingdom
$386K +$8.96K +1,447 +2%
FCIM
42
Fairview Capital Investment Management
California
$383K +$477K +77,000 New
Simplex Trading
43
Simplex Trading
Illinois
$371K -$392K -63,349 -46%
AllianceBernstein
44
AllianceBernstein
Tennessee
$353K
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$329K -$26.3K -4,248 -6%
Jane Street
46
Jane Street
New York
$269K +$335K +54,086 New
PEAK6
47
PEAK6
Illinois
$249K -$383K -61,873 -55%
IMC Chicago
48
IMC Chicago
Illinois
$243K +$302K +48,852 New
Barclays
49
Barclays
United Kingdom
$223K -$456K -73,669 -62%
Deutsche Bank
50
Deutsche Bank
Germany
$223K -$32.2K -5,198 -10%

MBI Hedge Fund Activity: Q1 2025 in Review

120 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in MBIA (MBI) for Q1 2025, worth a combined $122M — down 25% from $163M a quarter earlier.

Buyers outnumbered sellers: 18 funds opened new MBI positions and 13 closed out — a net gain of 5 holders — while 26 added to existing stakes and 49 trimmed.

The largest buyer was UBS Group, adding an estimated $4.41M. The largest seller was Philadelphia Financial Management of San Francisco, exiting entirely with an estimated $7.24M sold.

  • 120 institutional investors held MBIA (MBI) as of Q1 2025, up from 115 in Q4 2024.
  • Funds reported $122M of MBIA stock for Q1 2025, down 25% quarter-over-quarter.
  • 18 funds opened new MBIA positions in Q1 2025 and 13 closed out, a net change of +5 holders.
  • The largest MBIA buyer in Q1 2025 was UBS Group, an estimated $4.41M added.
  • The largest MBIA seller in Q1 2025 was Philadelphia Financial Management of San Francisco, an estimated $7.24M sold.

Based on aggregated 13F filings for Q1 2025.