Who owns American Electric Power (AEP)?
167 holders named in SEC filings declare between 59.5% and 85.5% of American Electric Power's shares outstanding, as of Sep 30, 2026. The largest are Vanguard (11.9%), BlackRock (9.4%) and State Street (5.7%); the five largest hold 34.0% together. Another 1,811 institutions hold small positions worth 6.6%. At least 7.9% of the shares appear in no ownership filing: investors who do not have to report, mostly individuals. From Mar 31, 2026 to Jun 30, 2026, institutions that filed both quarters bought 12.4% and sold 4.0% of the shares, a net purchase of 8.4%; 128 opened a position, 868 added, 576 reduced and 93 sold out. Biggest buyers: Vanguard (+8.4M shares) and Franklin Templeton (+7.7M shares). Biggest sellers: GQG Partners LLC (-4.8M) and Barclays (-3.5M). Over time, 1,966 managers declared American Electric Power in their 13F for Q2 2026, against 1,166 for Q4 2019: together at most 92.2% of the shares outstanding, against 73.3%.
| Holder | Filing | Share of capital | As of | Holding since (13F) |
|---|---|---|---|---|
| Vanguard | 13F | 11.9% | Jun 30, 2026 | Q4 2019 or earlier |
| BlackRock | 13F | 9.4% | Jun 30, 2026 | Q4 2019 or earlier |
| State Street | 13F | 5.7% | Jun 30, 2026 | Q4 2019 or earlier |
| Invesco | 13F | 3.6% | Jun 30, 2026 | Q4 2019 or earlier |
| Morgan Stanley | 13F | 3.5% | Jun 30, 2026 | Q4 2019 or earlier |
| Geode Capital | 13F | 2.6% | Jun 30, 2026 | Q4 2019 or earlier |
| Wellington | 13F | 2.5% | Jun 30, 2026 | Q4 2019 or earlier |
| Bank of America | 13F | 2.3% | Jun 30, 2026 | Q4 2019 or earlier |
| Goldman Sachs | 13F | 2.0% | Jun 30, 2026 | Q4 2019 or earlier |
| GQG Partners LLC | 13F | 1.9% | Jun 30, 2026 | Q2 2024 |
| Ameriprise Financial, Inc. | 13F | 1.8% | Jun 30, 2026 | Q4 2019 or earlier |
| Fidelity (FMR) | 13F | 1.7% | Jun 30, 2026 | Q4 2019 or earlier |
| Franklin Templeton | 13F | 1.7% | Jun 30, 2026 | Q4 2019 or earlier |
| Dodge & Cox | 13F | 1.6% | Jun 30, 2026 | Q1 2024 |
| Barclays | 13F | 1.3% | Jun 30, 2026 | Q4 2019 or earlier |
| ROYAL BANK OF CANADA | 13F | 1.1% | Jun 30, 2026 | Q4 2019 or earlier |
| Nuveen | 13F | 1.1% | Jun 30, 2026 | Q4 2019 or earlier |
| ALLIANCEBERNSTEIN L.P. | 13F | 0.99% | Jun 30, 2026 | Q4 2019 or earlier |
| Legal & General | 13F | 0.91% | Jun 30, 2026 | Q4 2019 or earlier |
| UBS | 13F | 0.88% | Jun 30, 2026 | Q4 2019 or earlier |
| Northern Trust | 13F | 0.85% | Jun 30, 2026 | Q4 2019 or earlier |
| Allspring Global Investments Holdings, LLC | 13F | 0.83% | Jun 30, 2026 | Q4 2021 |
| Millennium | 13F | 0.82% | Jun 30, 2026 | Q4 2019 or earlier |
| CITIGROUP INC | 13F | 0.80% | Jun 30, 2026 | Q4 2019 or earlier |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 13F | 0.77% | Jun 30, 2026 | Q4 2019 or earlier |
American Electric Power institutional ownership over time
| Quarter | 13F managers | Share of the company (upper bound) | Value declared | Held by stock pickers |
|---|---|---|---|---|
| Q4 2019 | 1,166 | 73.3% | $34.4B | 52.5% |
| Q4 2020 | 1,180 | 73.5% | $30.3B | 54.7% |
| Q4 2021 | 1,267 | 72.5% | $32.5B | 50.6% |
| Q4 2022 | 1,368 | 75.6% | $36.8B | 47.7% |
| Q4 2023 | 1,337 | 75.1% | $32.1B | 48.8% |
| Q4 2024 | 1,511 | 76.9% | $37.8B | 48.7% |
| Q4 2025 | 1,850 | 83.5% | $52.1B | 47.5% |
| Q2 2026 | 1,966 | 92.2% | $68.6B | 46.8% |
From SEC Form 13F, every quarter since the end of 2019, read like the current quarter: entities of a house summed, a value contradicting its share count set aside. The share of the company is an upper bound — two managers can declare the same shares — over the shares outstanding at that date.