American Electric Power Company, Inc.
US ˙ NasdaqGS ˙ US0255371017

SecurityAEP / American Electric Power Company, Inc.
InstitutionStandard Life Aberdeen plc
Latest Disclosed Ownership190,917 shares
Latest Disclosed Value $ 25,025,400
Standard Life Aberdeen plc reports 5.89% decrease in ownership of AEP / American Electric Power Company, Inc.

On April 29, 2026 - Standard Life Aberdeen plc filed a 13F-HR form disclosing ownership of 190,917 shares of American Electric Power Company, Inc. (US:AEP) valued at $25,025,400 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 16, 2026 disclosing 202,856 shares of American Electric Power Company, Inc.. This represents a change in shares of -5.89% during the quarter. The current value of the position is $24,655,021 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-04-29 2026-03-31 13F AMERICAN ELEC PWR COM 025537101 190,917 -11,939 -5.89 25,025 6.99 0.0219
2026-01-16 2025-12-31 13F AMERICAN ELEC PWR COM 025537101 202,856 -15,895 -7.27 23,391 -4.95 0.0362
2025-11-07 2025-09-30 13F AMERICAN ELEC PWR COM 025537101 218,751 -149,658 -40.62 24,609 -35.62 0.0389
2025-07-24 2025-06-30 13F AMERICAN ELEC PWR COM 025537101 368,409 22,134 6.39 38,226 1.56 0.0650
2025-05-13 2025-03-31 13F AMERICAN ELEC PWR COM 025537101 346,275 -29,224 -7.78 37,638 9.50 0.0734
2025-01-24 2024-12-31 13F AMERICAN ELEC PWR COM 025537101 375,499 15,791 4.39 34,373 -7.02 0.0645
2024-10-25 2024-09-30 13F AMERICAN ELEC PWR COM 025537101 359,708 61,267 20.53 36,967 41.18 0.0678
2024-08-09 2024-06-30 13F AMERICAN ELEC PWR COM 025537101 298,441 -55,842 -15.76 26,185 -14.16 0.0502
2024-05-09 2024-03-31 13F AMERICAN ELEC PWR COM 025537101 354,283 96,220 37.29 30,504 45.54 0.0598
2024-01-31 2023-12-31 13F AMERICAN ELEC PWR COM 025537101 258,063 4,876 1.93 20,960 10.06 0.0454
2023-11-07 2023-09-30 13F AMERICAN ELEC PWR COM 025537101 253,187 40,461 19.02 19,045 6.33 0.0486
2024-06-20 2023-06-30 13F/A-1 AMERICAN ELEC PWR COM 025537101 212,726 -2,363 -1.10 17,912 -8.48 0.0417
2023-08-04 2023-06-30 13F AMERICAN ELEC PWR COM 025537101 212,726 -2,363 17,912 0.0417
2024-06-20 2023-03-31 13F/A-1 AMERICAN ELEC PWR COM 025537101 215,089 14,415 7.18 19,571 2.71 0.0490
2023-04-28 2023-03-31 13F AMERICAN ELEC PWR COM 025537101 215,089 14,415 19,571 0.0490
2024-06-20 2022-12-31 13F/A-1 AMERICAN ELEC PWR COM 025537101 200,674 31,818 18.84 19,054 30.53 0.0518
2023-02-10 2022-12-31 13F AMERICAN ELEC PWR COM 025537101 200,674 31,818 19,054 0.0518
2022-11-10 2022-09-30 13F AMERICAN ELEC PWR COM 025537101 168,856 5,652 3.46 14,597 -6.86 0.0435
2022-08-05 2022-06-30 13F AMERICAN ELEC PWR COM 025537101 163,204 -7,191 -4.22 15,672 -8.23 0.0493
2022-05-04 2022-03-31 13F AMERICAN ELEC PWR COM 025537101 170,395 -118,705 -41.06 17,078 -33.60 0.0437
2022-02-10 2021-12-31 13F/A-1 AMERICAN ELEC PWR COM 025537101 289,100 9,819 3.52 25,721 12.48 0.0565
2022-02-08 2021-12-31 13F AMERICAN ELEC PWR COM 025537101 289,100 9,819 25,721 0.0185
2021-11-15 2021-09-30 13F AMERICAN ELEC PWR COM 025537101 279,281 -7,356 -2.57 22,868 -5.72 0.0515
2021-08-10 2021-06-30 13F AMERICAN ELEC PWR COM 025537101 286,637 3,405 1.20 24,255 1.10 0.0531
2021-05-06 2021-03-31 13F AMERICAN ELEC PWR COM 025537101 283,232 48,640 20.73 23,990 22.81 0.0545
2021-02-10 2020-12-31 13F AMERICAN ELEC PWR COM 025537101 234,592 -985 -0.42 19,535 1.45 0.0476
2020-10-21 2020-09-30 13F AMERICAN ELEC PWR COM 025537101 235,577 5,558 2.42 19,256 5.11 0.0514
2020-08-10 2020-06-30 13F AMERICAN ELEC PWR COM 025537101 230,019 -12,886 -5.30 18,320 -5.77 0.0496
2020-05-13 2020-03-31 13F AMERICAN ELEC PWR COM 025537101 242,905 -8,974 -3.56 19,442 -18.33 0.0618
2020-02-18 2019-12-31 13F AMERICAN ELEC PWR COM 025537101 251,879 -7,250 -2.80 23,806 -1.94 0.0575
2019-11-13 2019-09-30 13F AMERICAN ELEC PWR COM 025537101 259,129 -4,019 -1.53 24,278 4.82 0.0605
2019-08-13 2019-06-30 13F AMERICAN ELEC PWR COM 025537101 263,148 -6,280 -2.33 23,161 2.64 0.0514
2019-05-14 2019-03-31 13F AMERICAN ELEC PWR COM 025537101 269,428 55,373 25.87 22,566 40.48 0.0489
2019-02-12 2018-12-31 13F AMERICAN ELEC PWR COM 025537101 214,055 -8,262 -3.72 16,063 1.93 0.0381
2018-11-20 2018-09-30 13F/A-1 AMERICAN ELEC PWR COM 025537101 222,317 13,666 6.55 15,759 9.06 0.0294
2018-11-13 2018-09-30 13F AMERICAN ELEC PWR COM 025537101 222,317 13,666 15,759
2018-08-09 2018-06-30 13F AMERICAN ELEC PWR COM 025537101 208,651 45,051 27.54 14,450 28.76 0.0278
2018-05-15 2018-03-31 13F AMERICAN ELEC PWR COM 025537101 163,600 -50,859 -23.72 11,222 -28.88 0.0223
2018-02-12 2017-12-31 13F AMERICAN ELEC PWR COM 025537101 214,459 -10,054 -4.48 15,779 0.06 0.0302
2017-11-14 2017-09-30 13F AMERICAN ELEC PWR COM 025537101 224,513 224,513 15,770 0.0288
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.