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

MASTECINC

Institutions
4
Combined AUM (Q2 2026)
$82.5M
Combined Shares (Q2 2026)
198,350
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+130,950
4 · 1 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-80,000
1 · 1 Exit · ≈
⚖️ Net
+50,950
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$82.5M
Institutions
4
New Buys
1
Adds
3
Reduces
0
Exits
1
Unchanged
0
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
IMC-Chicago, LLC
0.01%0.01%#2$46.5M111,800$15.7M48,900+62,900+128.63%Add
GROUP ONE TRADING LLC
0.04%0.01%#1$31.5M75,700$4.9M15,100+60,600+401.32%Add
SIMPLEX TRADING, LLC
<0.01%<0.01%#3$4.4M10,600$1.1M3,400+7,200+211.76%Add
CI INVESTMENTS INC.
<0.01%#4$104,000250$00+250New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow