13FBOX
B. RILEY FINANCIAL INC · 13F Institutional Holdings
Options Calculator Rankings
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B

B. RILEY FINANCIAL INC

Institutions
5
Combined AUM (Q2 2026)
$3.4M
Combined Shares (Q2 2026)
471,700
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)
+98,800
2 institutions added · 1 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-155,400
2 institutions reduced · 0 exits
Est. sell amount
⚖️ Net Share Change
-56,600
Net Sell
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$3.4M
Institutions
5
New Buys
1
Adds
1
Reduces
2
Exits
0
Unchanged
1
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
IMC-Chicago, LLC
<0.01%<0.01%#2$2.1M258,300$1.2M160,900+97,400+60.53%Add
IAT REINSURANCE CO LTD.
0.28%0.76%#1$738,000140,000$2.3M140,00000.00%Unchanged
SIMPLEX TRADING, LLC
<0.01%<0.01%#4$314,36439,100$607,56083,000-43,900-52.89%Reduce
GROUP ONE TRADING LLC
<0.01%<0.01%#3$264,51632,900$1.1M144,400-111,500-77.22%Reduce
JPMORGAN CHASE & CO
<0.01%#5$11,4521,400$00+1,400New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow