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MBIA
MBI

130 hedge funds and large institutions have $181M invested in MBIA in 2026 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 51 increasing their positions, 33 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

55% more repeat investments, than reductions

Existing positions increased: 51 | Existing positions reduced: 33

18% more capital invested

Capital invested by funds: $153M → $181M (+$27.7M)

3.62% more ownership

Funds ownership: 50.76% → 54.38% (+3.6%)

3% less call options, than puts

Call options by funds: $4.87M | Put options by funds: $5.04M

3% less funds holding

Funds holding: 134 → 130 (-4)

15% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 20

Holders
130
Holders Change
-4
Holders Change %
-2.99%
% of All Funds
1.57%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
17
Increased
51
Reduced
33
Closed
20
Calls
$4.87M
Puts
$5.04M
Net Calls
-$167K
Net Calls Change
+$2.05M

Top Buyers

Rank Fund Capital Flow
1
KBG
Kahn Brothers Group
New York
+$13M
2
Cerity Partners
Cerity Partners
New York
+$3.95M
3
BlackRock
BlackRock
New York
+$1.69M
4
AQR Capital Management
AQR Capital Management
Connecticut
+$694K
5
Group One Trading
Group One Trading
Illinois
+$343K

Top Sellers

Rank Fund Capital Flow
1
WHCM
Wolf Hill Capital Management
Connecticut
-$2.58M
2
UBS Group
UBS Group
Switzerland
-$1.6M
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$1.35M
4
Jane Street
Jane Street
New York
-$1.28M
5
Citadel Advisors
Citadel Advisors
Florida
-$813K

MBI Hedge Fund Activity: Q2 2026 in Review

130 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in MBIA (MBI) for Q2 2026, worth a combined $181M — up 18% from $153M a quarter earlier.

Sellers outnumbered buyers: 20 funds closed out of MBI and 17 opened new positions — a net loss of 3 holders — while 33 trimmed existing stakes and 51 added.

The largest buyer was Kahn Brothers Group, adding an estimated $13M. The largest seller was Wolf Hill Capital Management, cutting an estimated $2.58M.

  • 130 institutional investors held MBIA (MBI) as of Q2 2026, down from 134 in Q1 2026.
  • Funds reported $181M of MBIA stock for Q2 2026, up 18% quarter-over-quarter.
  • 17 funds opened new MBIA positions in Q2 2026 and 20 closed out, a net change of -3 holders.
  • The largest MBIA buyer in Q2 2026 was Kahn Brothers Group, an estimated $13M added.
  • The largest MBIA seller in Q2 2026 was Wolf Hill Capital Management, an estimated $2.58M sold.

Based on aggregated 13F filings for Q2 2026.