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AEE · Ameren Corp · Holdings

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$106.08 +2.32 (+2.24%) At close · Oct 16
Market Cap
$29.07B
Shares
276.84M
Volume · Oct 16 1.94M Avg daily vol (3M) 1.69M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.
The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.
Holders: 952
Total Value: $27,734,156,539
Total Shares: 245,543,779
Showing 1–100 of 961 holdings by value · page 1 of 10

Institutional Ownership Trend

27 quarters

Holder Concentration

Across 957 13F filers
Top Holder
10.5%
Sep 2023 → Jun 2026 · range 10.2% – 16.1%
of institutional value
Top 5
39.0%
Sep 2023 → Jun 2026 · range 39.0% – 50.7%
of institutional value
Top 10
54.2%
Sep 2023 → Jun 2026 · range 54.0% – 62.4%
of institutional value
HHI
399
Sep 2023 → Jun 2026 · range 399 – 633
Broadly held
Showing 100 of 961
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Holder Value (USD) % of 13F Shares Open

Showing the top 100 of 961 holders. Create a free account to see every holder, past quarters, search, filters and CSV export.

Key facts CIK 1002910 CUSIP 023608102 13F (30d) 113 filings 109 filers Visit website Investor relations