13FBOX
SOC OPTIONS · 13F Institutional Holdings
Options Calculator Rankings
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SOC OPTIONS

Institutions
4
Combined AUM (Q2 2026)
$5.4M
Combined Shares (Q2 2026)
1.8M
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)
+147,500
2 institutions added · 0 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-359,200
2 institutions reduced · 0 exits
Est. sell amount
⚖️ Net Share Change
-211,700
Net Sell
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$5.4M
Institutions
4
New Buys
0
Adds
2
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%0.03%#1$2.1M697,700$13.9M843,200-145,500-17.26%Reduce
IMC-Chicago, LLC
<0.01%<0.01%#4$1.6M524,200$7.5M451,900+72,300+16.00%Add
SIMPLEX TRADING, LLC
<0.01%0.01%#3$940,940305,500$8.6M519,200-213,700-41.16%Reduce
HRT FINANCIAL LP
<0.01%0.01%#2$745,052241,900$2.8M166,700+75,200+45.11%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow