13FBOX
MAIN STR CAP CORP PUT · 13F Institutional Holdings
Options Calculator Rankings
M

MAIN STR CAP CORP PUT

Institutions
3
Combined AUM (Q2 2026)
$2.7M
Combined Shares (Q2 2026)
52,800
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+19,100
1 · 0 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-11,300
2 · 0 Exit · ≈
⚖️ Net
+7,800
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$2.7M
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
IMC-Chicago, LLC
<0.01%<0.01%#2$1.9M36,500$921,50417,400+19,100+109.77%Add
SIMPLEX TRADING, LLC
<0.01%<0.01%#1$762,63614,700$1.3M25,400-10,700-42.13%Reduce
GROUP ONE TRADING LLC
<0.01%<0.01%#3$83,0081,600$116,5122,200-600-27.27%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow