13FBOX
BLACKSTONE MTG TR INC · 13F Institutional Holdings
Options Calculator Rankings
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B

BLACKSTONE MTG TR INC

Institutions
3
Combined AUM (Q2 2026)
$9.3M
Combined Shares (Q2 2026)
549,100
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)
+80,400
3 institutions added · 0 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-0
0 institutions reduced · 0 exits
Est. sell amount
⚖️ Net Share Change
+80,400
Net Buy
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$9.3M
Institutions
3
New Buys
0
Adds
3
Reduces
0
Exits
0
Unchanged
0
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
GROUP ONE TRADING LLC
<0.01%0.01%#1$3.6M213,900$3.3M173,900+40,000+23.00%Add
SIMPLEX TRADING, LLC
<0.01%<0.01%#2$3.3M194,600$3.1M161,700+32,900+20.35%Add
IMC-Chicago, LLC
<0.01%<0.01%#3$2.4M140,600$2.5M133,100+7,500+5.63%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow