American Electric Power Company, Inc.
MX ˙ BMV ˙ US0255371017
SecurityMX:AEP / American Electric Power Company, Inc.
InstitutionGabelli Funds Llc
Latest Disclosed Ownership591,850 shares
Latest Disclosed Value $ 77,579,698
Gabelli Funds Llc reports 1.65% decrease in ownership of AEP / American Electric Power Company, Inc.

On May 14, 2026 - Gabelli Funds Llc filed a 13F-HR form disclosing ownership of 591,850 shares of American Electric Power Company, Inc. (MX:AEP) valued at $77,579,698 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 601,750 shares of American Electric Power Company, Inc.. This represents a change in shares of -1.65% during the quarter.

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)
2026-05-14 2026-03-31 13F AMERICAN ELECTRIC POWER EQUITY 025537101 591,850 -9,900 -1.65 77,580 11.81 0.5240
2026-02-05 2025-12-31 13F AMERICAN ELECTRIC POWER EQUITY 025537101 601,750 -7,600 -1.25 69,388 1.22 0.4697
2025-11-12 2025-09-30 13F AMERICAN ELECTRIC POWER EQUITY 025537101 609,350 -7,100 -1.15 68,552 7.17 0.4640
2025-08-13 2025-06-30 13F AMERICAN ELECTRIC POWER EQUITY 025537101 616,450 -11,900 -1.89 63,963 -6.84 0.4541
2025-05-14 2025-03-31 13F AMERICAN ELECTRIC POWER EQUITY 025537101 628,350 -24,000 -3.68 68,660 14.12 0.5233
2025-02-13 2024-12-31 13F AMERICAN ELECTRIC POWER EQUITY 025537101 652,350 -10,500 -1.58 60,166 -11.53 0.4518
2024-11-13 2024-09-30 13F AMERICAN ELECTRIC POWER EQUITY 025537101 662,850 -6,300 -0.94 68,008 15.84 0.4902
2024-08-13 2024-06-30 13F AMERICAN ELECTRIC POWER EQUITY 025537101 669,150 -8,800 -1.30 58,711 0.58 0.4459
2024-05-14 2024-03-31 13F AMERICAN ELECTRIC POWER EQUITY 025537101 677,950 -28,600 -4.05 58,371 1.72 0.4300
2024-02-13 2023-12-31 13F AMERICAN ELECTRIC POWER EQUITY 025537101 706,550 -29,900 -4.06 57,386 3.59 0.4419
2023-11-08 2023-09-30 13F AMERICAN ELECTRIC POWER EQUITY 025537101 736,450 -4,500 -0.61 55,396 -11.21 0.4495
2023-08-10 2023-06-30 13F AMERICAN ELECTRIC POWER EQUITY 025537101 740,950 -2,500 -0.34 62,388 -7.77 0.4728
2023-05-12 2023-03-31 13F AMERICAN ELECTRIC POWER EQUITY 025537101 743,450 0 0.00 67,647 -4.17 0.5127
2023-02-13 2022-12-31 13F AMERICAN ELECTRIC POWER EQUITY 025537101 743,450 -3,500 -0.47 70,591 9.32 0.5486
2022-11-14 2022-09-30 13F/A-1 AMERICAN ELECTRIC POWER COM 025537101 746,950 0 0.00 64,574 -9.89 0.5323
2022-11-10 2022-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 746,950 0 64,574 0.5323
2022-08-12 2022-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 746,950 0 0.00 71,662 -3.84 0.5502
2022-05-18 2022-03-31 13F/A-1 AMERICAN ELECTRIC POWER COM 025537101 746,950 -5,500 -0.73 74,523 11.32 0.4896
2022-05-13 2022-03-31 13F AMERICAN ELECTRIC POWER COM 025537101 746,950 -5,500 74,523 0.5031
2022-02-11 2021-12-31 13F AMERICAN ELECTRIC POWER COM 025537101 752,450 -3,000 -0.40 66,945 9.16 0.4225
2021-11-12 2021-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 755,450 -1,000 -0.13 61,327 -4.16 0.4063
2021-08-13 2021-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 756,450 -5,000 -0.66 63,988 -0.79 0.4075
2021-05-14 2021-03-31 13F AMERICAN ELECTRIC POWER COM 025537101 761,450 -8,000 -1.04 64,495 0.66 0.4323
2021-02-05 2020-12-31 13F AMERICAN ELECTRIC POWER COM 025537101 769,450 -7,000 -0.90 64,072 0.97 0.4564
2021-02-05 2020-12-31 13F AEP 6 1 CONVERTIBLE PREF 025537127 32,252 -29,938 1,598 0.0114
2020-11-06 2020-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 776,450 5,000 0.65 63,459 3.29 0.4944
2020-11-06 2020-09-30 13F AEP 6 1 CONVERTIBLE PREF 025537127 62,190 -19,160 3,023 0.0236
2020-08-13 2020-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 771,450 500 0.06 61,438 -0.36 0.5006
2020-08-13 2020-06-30 13F AEP 6 1 CONVERTIBLE PREF 025537127 81,350 19,500 3,942 0.0321
2020-05-14 2020-03-31 13F AMERICAN ELECTRIC POWER COM 025537101 770,950 -3,550 -0.46 61,661 -15.76 0.5494
2020-05-14 2020-03-31 13F AEP 6 1 CONVERTIBLE PREF 025537127 61,850 -11,785 3,010 0.0268
2020-02-14 2019-12-31 13F AMERICAN ELECTRIC POWER COM 025537101 774,500 -21,000 -2.64 73,198 -1.79 0.4735
2020-02-14 2019-12-31 13F AEP 6 1 CONVERTIBLE PREF 025537127 73,635 0 3,970 0.0257
2019-11-01 2019-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 795,500 -5,000 -0.62 74,530 5.79 0.4924
2019-11-01 2019-09-30 13F AEP 6 1 CONVERTIBLE PREF 025537127 73,635 0 4,059 0.0268
2019-08-02 2019-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 800,500 0 0.00 70,452 5.09 0.4523
2019-08-02 2019-06-30 13F AEP 6 1 CONVERTIBLE PREF 025537127 73,635 0 3,939 0.0253
2019-05-02 2019-03-31 13F AMERICAN ELECTRIC POWER COM 025537101 800,500 0 0.00 67,042 12.06 0.4215
2019-05-02 2019-03-31 13F AEP 6 1 CONVERTIBLE PREF 025537127 73,635 -726,865 3,785 0.0238
2019-01-30 2018-12-31 13F AMERICAN ELECTRIC POWER COM 025537101 800,500 -5,000 -0.62 59,829 4.79 0.4102
2018-11-02 2018-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 805,500 0 0.00 57,094 2.35 0.3276
2018-08-10 2018-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 805,500 -14,000 -1.71 55,781 -0.76 0.3304
2018-05-09 2018-03-31 13F AMERICAN ELECTRIC POWER COM 025537101 819,500 0 0.00 56,210 -6.77 0.3353
2018-02-02 2017-12-31 13F AMERICAN ELECTRIC POWER COM 025537101 819,500 2,000 0.24 60,291 5.00 0.3473
2017-11-01 2017-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 817,500 -2,000 -0.24 57,421 0.86 0.3289
2017-08-03 2017-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 819,500 -4,500 -0.55 56,931 2.92 0.3383
2017-05-04 2017-03-31 13F AMERICAN ELECTRIC POWER COM 025537101 824,000 0 0.00 55,315 6.62 0.3261
2017-02-10 2016-12-31 13F AMERICAN ELECTRIC POWER COM 025537101 824,000 -2,000 -0.24 51,879 -2.18 0.3070
2016-11-10 2016-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 826,000 -8,000 -0.96 53,037 -9.27 0.3147
2016-08-04 2016-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 834,000 -10,000 -1.18 58,455 4.31 0.3448
2016-05-05 2016-03-31 13F AMERICAN ELECTRIC POWER COM 025537101 844,000 -79,000 -8.56 56,042 4.20 0.3379
2016-02-05 2015-12-31 13F AMERICAN ELECTRIC POWER COM 025537101 923,000 -15,000 -1.60 53,783 0.84 0.3256
2015-10-23 2015-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 938,000 -40,000 -4.09 53,335 2.95 0.3170
2015-08-05 2015-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 978,000 -11,000 -1.11 51,805 -6.88 0.2712
2015-05-01 2015-03-31 13F AMERICAN ELECTRIC POWER COM 025537101 989,000 -236,000 -19.27 55,631 -25.21 0.2823
2015-02-05 2014-12-31 13F AMERICAN ELECTRIC POWER COM 025537101 1,225,000 -8,000 -0.65 74,382 15.54 0.3617
2014-10-30 2014-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 1,233,000 -5,000 -0.40 64,375 -6.76 0.3268
2014-08-06 2014-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 1,238,000 -2,000 -0.16 69,043 9.91 0.3413
2014-05-16 2014-03-31 13F/A-1 AMERICAN ELECTRIC POWER COM 025537101 1,240,000 -61,000 -4.69 62,818 3.30 0.3261
2014-05-02 2014-03-31 13F AMERICAN ELECTRIC POWER COM 025537101 1,240,000 62,818
2014-02-07 2013-12-31 13F AMERICAN ELECTRIC POWER COM 025537101 1,301,000 -7,000 -0.54 60,809 7.24 0.3238
2013-11-07 2013-09-30 13F AMERICAN ELECTRIC POWER COM 025537101 1,308,000 -39,000 -2.90 56,702 -6.00 0.3228
2013-08-02 2013-06-30 13F/A-1 AMERICAN ELECTRIC POWER COM 025537101 1,347,000 1,347,000 60,319 0.3660
2013-08-01 2013-06-30 13F AMERICAN ELECTRIC POWER COM 025537101 1,347,000 60,319 0.3660
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.