VANGUARD INDEX FUNDS

Institutions

Combined AUM (Q2 2026)

$415.1M

Combined Shares (Q2 2026)

4.2M

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)

+3.8M

3 institutions added · 2 new buys

Est. buy amount ≈ —

📤 Outflow (Q1 2026→Q2 2026)

-1,300

1 institutions reduced · 0 exits

Est. sell amount ≈ —

⚖️ Net Share Change

+3.8M

—

Net Buy

💰 Est. Net Value

≈ —

—

est. price —

⏳

Latest AUM (Q2 2026)

$415.1M

Institutions

New Buys

Adds

Reduces

Exits

Unchanged

	Portfolio %	Prev Q %	Rank	Q2 2026 Value	Q2 2026 Shares	Prev Q Value	Prev Q Shares	Shares Change	Action
IMC-Chicago, LLC	0.09%	0.06%	#1	$390.1M	4.0M	$156.4M	321,600	+3.7M+1,137.84%	Add
GROUP ONE TRADING LLC	0.02%	0.02%	#2	$11.9M	122,000	$11.3M	123,300	-1,300-1.05%	Reduce
JPMORGAN CHASE & CO	<0.01%	—	#4	$9.6M	98,000	$0	0	+98,000	New Buy
HRT FINANCIAL LP	0.01%	—	#3	$3.4M	35,200	$0	0	+35,200	New Buy

🧭 Institutional Sector Flow Heatmap

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Net Outflow Net Inflow