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AEP

American Electric Power Co Inc
$137.53 +1.55 (+1.14%) At close · Jul 7
Market Cap
$74.83B
Shares
544,104,955

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.

The Jun 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.
Holders: 1,930
Total Value: $56,550,231,704
Total Shares: 431,346,599
Showing 1–100 of 1,978 holdings by value · page 1 of 20

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 1,928 13F filers
Top Holder
11.1%
Jun 2023 → Mar 2026 · range 11.1% – 12.8%
of institutional value
Top 5
33.0%
Jun 2023 → Mar 2026 · range 33.0% – 41.2%
of institutional value
Top 10
45.9%
Jun 2023 → Mar 2026 · range 45.9% – 52.1%
of institutional value
HHI
326
Jun 2023 → Mar 2026 · range 326 – 442
Broadly held
Showing 100 of 1,978
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 4904 CUSIP 025537101 13F (30d) 103 filings 82 filers