13FBOX
MATTELINC · 13F Institutional Holdings
Options Calculator Rankings
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M

MATTELINC

Institutions
4
Combined AUM (Q2 2026)
$2.1M
Combined Shares (Q2 2026)
148,400
Overall Trend
Increase
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)
+48,600
4 institutions added · 1 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-0
0 institutions reduced · 0 exits
Est. sell amount
⚖️ Net Share Change
+48,600
Net Buy
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$2.1M
Institutions
4
New Buys
1
Adds
3
Reduces
0
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%#3$1.1M82,200$1.2M79,700+2,500+3.14%Add
SIMPLEX TRADING, LLC
<0.01%<0.01%#2$548,26039,500$219,40315,100+24,400+161.59%Add
HRT FINANCIAL LP
<0.01%#1$277,60020,000$00+20,000New Buy
GROUP ONE TRADING LLC
<0.01%<0.01%#4$92,9966,700$72,6505,000+1,700+34.00%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow