William Blair & Company
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William Blair & Company’s American Electric Power AEP Stock Holding History

William Blair & Company’s Portfolio AEP Stock Details AEP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$7.01M Buy
53,446
+6,134
+13% +$767K 0.02% 424
2025
Q4 		$5.46M Sell
47,312
-267
-0.6% -$31.5K 0.01% 498
2025
Q3 		$5.35M Sell
47,579
-49
-0.1% -$5.36K 0.01% 501
2025
Q2 		$4.94M Buy
47,628
+8,641
+22% +$899K 0.01% 495
2025
Q1 		$4.26M Sell
38,987
-610
-2% -$61.8K 0.01% 526
2024
Q4 		$3.65M Buy
39,597
+663
+2% +$64.2K 0.01% 573
2024
Q3 		$3.99M Buy
38,934
+262
+0.7% +$25.6K 0.01% 549
2024
Q2 		$3.39M Sell
38,672
-1,132
-3% -$99K 0.01% 564
2024
Q1 		$3.43M Buy
39,804
+522
+1% +$42.4K 0.01% 560
2023
Q4 		$3.19M Sell
39,282
-597
-1% -$46.3K 0.01% 561
2023
Q3 		$3M Sell
39,879
-1,441
-3% -$117K 0.01% 562
2023
Q2 		$3.48M Buy
41,320
+77
+0.2% +$6.8K 0.01% 521
2023
Q1 		$3.75M Sell
41,243
-422
-1% -$38.6K 0.02% 504
2022
Q4 		$3.96M Buy
41,665
+1,176
+3% +$107K 0.02% 472
2022
Q3 		$3.5M Sell
40,489
-2,051
-5% -$203K 0.02% 489
2022
Q2 		$4.08M Buy
42,540
+1,143
+3% +$113K 0.02% 466
2022
Q1 		$4.13M Sell
41,397
-2,791
-6% -$255K 0.01% 514
2021
Q4 		$3.93M Buy
44,188
+4,337
+11% +$366K 0.01% 540
2021
Q3 		$3.23M Sell
39,851
-585
-1% -$51.1K 0.01% 572
2021
Q2 		$3.42M Buy
40,436
+179
+0.4% +$15.4K 0.01% 554
2021
Q1 		$3.41M Sell
40,257
-1,476
-4% -$119K 0.01% 543
2020
Q4 		$3.48M Sell
41,733
-540
-1% -$46.9K 0.01% 514
2020
Q3 		$3.46M Buy
42,273
+23,001
+119% +$1.89M 0.01% 470
2020
Q2 		$1.53M Sell
19,272
-797
-4% -$65.1K 0.01% 617
2020
Q1 		$1.6M Buy
20,069
+1,110
+6% +$105K 0.01% 561
2019
Q4 		$1.79M Buy
18,959
+3,489
+23% +$322K 0.01% 631
2019
Q3 		$1.45M Sell
15,470
-785
-5% -$71.3K 0.01% 661
2019
Q2 		$1.43M Buy
16,255
+1,977
+14% +$170K 0.01% 664
2019
Q1 		$1.2M Sell
14,278
-122
-0.8% -$9.7K 0.01% 688
2018
Q4 		$1.08M Sell
14,400
-27,823
-66% -$2.09M 0.01% 672
2018
Q3 		$2.99M Buy
42,223
+7,216
+21% +$513K 0.02% 472
2018
Q2 		$2.42M Sell
35,007
-193
-0.5% -$13K 0.02% 514
2018
Q1 		$2.41M Sell
35,200
-9,422
-21% -$634K 0.02% 512
2017
Q4 		$3.28M Sell
44,622
-861
-2% -$64.3K 0.02% 454
2017
Q3 		$3.19M Buy
45,483
+1,523
+3% +$108K 0.02% 441
2017
Q2 		$3.05M Sell
43,960
-1,093
-2% -$75.9K 0.02% 462
2017
Q1 		$3.02M Buy
45,053
+26,900
+148% +$1.74M 0.02% 441
2016
Q4 		$1.14M Buy
18,153
+2,233
+14% +$138K 0.01% 625
2016
Q3 		$1.02M Sell
15,920
-228
-1% -$15.3K 0.01% 642
2016
Q2 		$1.13M Buy
16,148
+653
+4% +$42.7K 0.01% 605
2016
Q1 		$1.03M Sell
15,495
-317
-2% -$19.6K 0.01% 616
2015
Q4 		$920K Sell
15,812
-57
-0.4% -$3.23K 0.01% 654
2015
Q3 		$902K Sell
15,869
-593
-4% -$32.9K 0.01% 784
2015
Q2 		$871K Sell
16,462
-797
-5% -$44.1K ﹤0.01% 1614
2015
Q1 		$971K Sell
17,259
-1,380
-7% -$81.9K ﹤0.01% 1555
2014
Q4 		$1.13M Sell
18,639
-941
-5% -$53.8K ﹤0.01% 1462
2014
Q3 		$1.02M Buy
19,580
+408
+2% +$21.6K ﹤0.01% 1462
2014
Q2 		$1.07M Buy
19,172
+322
+2% +$17K ﹤0.01% 1435
2014
Q1 		$955K Sell
18,850
-213
-1% -$10.3K ﹤0.01% 1441
2013
Q4 		$890K Buy
19,063
+1,096
+6% +$50.6K ﹤0.01% 1416
2013
Q3 		$778K Buy
17,967
+330
+2% +$14.7K ﹤0.01% 1412
2013
Q2 		$790K Buy
+17,637
New +$847K ﹤0.01% 1357

Other funds holding AEP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
GQG Partners
GQG Partners Ft. Lauderdale, Florida $63.1B AUM 23.07% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

William Blair & Company's AEP Position: Q1 2026 in Review

William Blair & Company increased its American Electric Power (AEP) stake by 13% in Q1 2026, buying an estimated $767K and bringing the position to 53,446 shares worth $7.01M. The position accounts for 0.02% of the portfolio, ranked #424.

William Blair & Company first reported a position in AEP in Q2 2013 and has held it in 52 quarters since. 1,928 funds tracked by Wall St. Rank hold AEP as of Q1 2026.

  • William Blair & Company held 53,446 shares of American Electric Power worth $7.01M as of Q1 2026.
  • William Blair & Company bought 6,134 American Electric Power shares in Q1 2026, an estimated $767K.
  • American Electric Power made up 0.02% of William Blair & Company's portfolio in Q1 2026, its #424 holding.
  • William Blair & Company first reported a position in American Electric Power in Q2 2013 and has held it in 52 quarters since.
  • 1,928 funds tracked by Wall St. Rank held American Electric Power as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.