13FBOX
VANGUARD TAX-MANAGED FDS · 13F Institutional Holdings
Options Calculator Rankings
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VANGUARD TAX-MANAGED FDS

Institutions
3
Combined AUM (Q2 2026)
$8.6M
Combined Shares (Q2 2026)
121,400
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)
+59,600
2 institutions added · 0 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-10,900
1 institutions reduced · 0 exits
Est. sell amount
⚖️ Net Share Change
+48,700
Net Buy
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$8.6M
Institutions
3
New Buys
0
Adds
2
Reduces
1
Exits
0
Unchanged
0
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
SIMPLEX TRADING, LLC
<0.01%<0.01%#1$5.0M70,100$1.1M17,500+52,600+300.57%Add
IMC-Chicago, LLC
<0.01%<0.01%#3$2.5M35,400$3.0M46,300-10,900-23.54%Reduce
GROUP ONE TRADING LLC
<0.01%<0.01%#2$1.1M15,900$570,3128,900+7,000+78.65%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow