13FBOX
MBIA INC CALL · 13F Institutional Holdings
Options Calculator Rankings
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M

MBIA INC CALL

Institutions
3
Combined AUM (Q2 2026)
$1.3M
Combined Shares (Q2 2026)
205,200
Overall Trend
Decrease
All institutions combined
Basis: holder count and combined value / shares merge all share classes of the same company (e.g. Class A / C); each institution is counted once, and value & shares are the sum across classes.
📥 Inflow (Q1 2026→Q2 2026)
+32,000
1 institutions added · 0 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-42,900
2 institutions reduced · 0 exits
Est. sell amount
⚖️ Net Share Change
-10,900
Net Sell
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$1.3M
Institutions
3
New Buys
0
Adds
1
Reduces
2
Exits
0
Unchanged
0
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
GROUP ONE TRADING LLC
<0.01%<0.01%#1$818,912125,600$908,367153,700-28,100-18.28%Reduce
SIMPLEX TRADING, LLC
<0.01%<0.01%#2$355,34054,500$132,97522,500+32,000+142.22%Add
IMC-Chicago, LLC
<0.01%<0.01%#3$163,65225,100$235,80939,900-14,800-37.09%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow