13FBOX
AMBAC FINL GROUP INC · 13F Institutional Holdings
Options Calculator Rankings
A

AMBAC FINL GROUP INC

Institutions
3
Combined AUM (Q2 2026)
$2.6M
Combined Shares (Q2 2026)
423,400
Overall Trend
Decrease
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+251,600
1 · 0 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-266,400
2 · 0 Exit · ≈
⚖️ Net
-14,800
Net Sell
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$2.6M
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
SIMPLEX TRADING, LLC
<0.01%<0.01%#1$1.7M272,200$95,79020,600+251,600+1,221.36%Add
GROUP ONE TRADING LLC
<0.01%<0.01%#2$631,488101,200$1.5M327,300-226,100-69.08%Reduce
IMC-Chicago, LLC
<0.01%<0.01%#3$312,00050,000$419,89590,300-40,300-44.63%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow