13FBOX
STAK INC · 13F Institutional Holdings
Options Calculator Rankings
S

STAK INC

STAK
Institutions
7
Combined AUM (Q2 2026)
$1.2M
Combined Shares (Q2 2026)
325,805
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+260,413
7 · 4 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-2,500
1 · 1 Exit · ≈
⚖️ Net
+257,913
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$1.2M
Institutions
7
New Buys
4
Adds
3
Reduces
0
Exits
1
Unchanged
0
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
HRT FINANCIAL LP
<0.01%#3$500,962131,486$00+131,486New Buy
JANE STREET GROUP, LLC
<0.01%<0.01%#5$499,945131,219$54,40354,403+76,816+141.20%Add
XTX Topco Ltd
<0.01%#2$81,36321,355$00+21,355New Buy
UBS Group AG
<0.01%<0.01%#6$77,09920,236$8,0898,089+12,147+150.17%Add
Scientech Research LLC
0.05%#1$62,89516,508$00+16,508New Buy
Tower Research Capital LLC (TRC)
<0.01%<0.01%#4$19,0505,000$2,9002,900+2,100+72.41%Add
Caitong International Asset Management Co., Ltd
<0.01%#7$41$00+1New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow