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AEP · American Electric Power Co Inc · Holdings

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$121.53 -0.55 (-0.45%)
Market Cap
$66.42B
Shares
544.10M
Volume · Oct 8 601.36K Avg daily vol (3M) 3.82M

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: 1,995
Total Value: $69,054,107,915
Total Shares: 504,935,153
Showing 1–100 of 2,034 holdings by value · page 1 of 21

Institutional Ownership Trend

28 quarters

Holder Concentration

Across 1,994 13F filers
Top Holder
10.1%
Sep 2023 → Jun 2026 · range 10.1% – 12.5%
of institutional value
Top 5
31.7%
Sep 2023 → Jun 2026 · range 31.7% – 41.1%
of institutional value
Top 10
45.7%
Sep 2023 → Jun 2026 · range 45.7% – 51.9%
of institutional value
HHI
302
Sep 2023 → Jun 2026 · range 302 – 439
Broadly held
Showing 100 of 2,034
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 4904 CUSIP 025537101 13F (30d) 69 filings 57 filers