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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
ProShare Advisors
126
ProShare Advisors
Maryland
-$81.2K -12,568 Closed
KBG
127
Kahn Brothers Group
New York
-$68.5K -10,600 Closed
ACM
128
Aquatic Capital Management
Illinois
-$49.8K -7,710 Closed
RS
129
R Squared
Hong Kong
-$17.5K -2,710 Closed
S
130
SignatureFD
Georgia
-$7.01K -1,085 Closed
PD
131
Point72 (DIFC)
United Arab Emirates
-$6.3K -976 Closed
FIA
132
FNY Investment Advisers
New York
-$371 -60 -26%
GI
133
GAMMA Investing
California
-$52 -8 Closed

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.