Citadel Advisors’s Southern Company SO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$96.3M Buy
998,100
+290,600
+41% +$26.9M 0.02% 832
2025
Q4
$61.7M Sell
707,500
-216,800
-23% -$19.8M 0.01% 1234
2025
Q3
$87.6M Buy
924,300
+241,200
+35% +$22.5M 0.01% 934
2025
Q2
$62.7M Buy
683,100
+171,200
+33% +$15.4M 0.01% 1065
2025
Q1
$47.1M Buy
511,900
+143,400
+39% +$12.4M 0.01% 1203
2024
Q4
$30.3M Sell
368,500
-947,300
-72% -$83.1M 0.01% 1729
2024
Q3
$119M Buy
1,315,800
+493,200
+60% +$42.1M 0.02% 602
2024
Q2
$63.8M Buy
822,600
+109,800
+15% +$8.32M 0.01% 962
2024
Q1
$51.1M Sell
712,800
-136,600
-16% -$9.43M 0.01% 1190
2023
Q4
$59.6M Buy
849,400
+43,200
+5% +$2.97M 0.01% 1051
2023
Q3
$52.2M Buy
806,200
+46,100
+6% +$3.2M 0.01% 1043
2023
Q2
$53.4M Sell
760,100
-68,300
-8% -$4.9M 0.01% 998
2023
Q1
$57.6M Buy
828,400
+47,000
+6% +$3.16M 0.01% 960
2022
Q4
$55.8M Sell
781,400
-69,600
-8% -$4.65M 0.01% 1040
2022
Q3
$57.9M Sell
851,000
-182,300
-18% -$13.8M 0.01% 948
2022
Q2
$73.7M Buy
1,033,300
+109,700
+12% +$8.05M 0.02% 763
2022
Q1
$67M Buy
923,600
+369,100
+67% +$25M 0.01% 901
2021
Q4
$38M Buy
554,500
+193,000
+53% +$12.3M 0.01% 1398
2021
Q3
$22.4M Buy
361,500
+37,300
+12% +$2.4M ﹤0.01% 1874
2021
Q2
$19.6M Sell
324,200
-356,400
-52% -$22.8M ﹤0.01% 2102
2021
Q1
$42.3M Buy
680,600
+326,100
+92% +$19.5M 0.01% 1183
2020
Q4
$21.8M Sell
354,500
-387,500
-52% -$23.3M 0.01% 1710
2020
Q3
$40.2M Buy
742,000
+260,500
+54% +$13.9M 0.01% 1007
2020
Q2
$25M Sell
481,500
-254,400
-35% -$14.1M 0.01% 1310
2020
Q1
$39.8M Buy
735,900
+472,500
+179% +$29.9M 0.02% 757
2019
Q4
$16.8M Sell
263,400
-95,400
-27% -$5.91M 0.01% 1649
2019
Q3
$22.2M Buy
358,800
+161,200
+82% +$9.34M 0.01% 1374
2019
Q2
$10.9M Sell
197,600
-134,600
-41% -$7.21M 0.01% 2078
2019
Q1
$17.2M Sell
332,200
-100
-0% -$4.9K 0.01% 1488
2018
Q4
$14.6M Sell
332,300
-414,800
-56% -$18.9M 0.01% 1497
2018
Q3
$32.6M Buy
747,100
+163,200
+28% +$7.52M 0.01% 1026
2018
Q2
$27M Buy
583,900
+75,200
+15% +$3.37M 0.01% 1079
2018
Q1
$22.7M Buy
508,700
+453,100
+815% +$20.1M 0.01% 1026
2017
Q4
$2.67M Sell
55,600
-197,600
-78% -$10.1M ﹤0.01% 3243
2017
Q3
$12.4M Buy
253,200
+82,200
+48% +$3.98M 0.01% 1419
2017
Q2
$8.19M Sell
171,000
-151,100
-47% -$7.58M 0.01% 1615
2017
Q1
$16M Sell
322,100
-179,700
-36% -$8.88M 0.01% 1109
2016
Q4
$24.7M Buy
501,800
+36,200
+8% +$1.78M 0.02% 725
2016
Q3
$23.9M Buy
465,600
+130,100
+39% +$6.85M 0.02% 769
2016
Q2
$18M Sell
335,500
-144,400
-30% -$7.26M 0.02% 849
2016
Q1
$24.8M Buy
479,900
+113,500
+31% +$5.53M 0.03% 626
2015
Q4
$17.1M Buy
366,400
+161,700
+79% +$7.33M 0.02% 927
2015
Q3
$9.15M Sell
204,700
-38,500
-16% -$1.69M 0.01% 1419
2015
Q2
$10.2M Buy
243,200
+56,200
+30% +$2.45M 0.01% 1466
2015
Q1
$8.28M Sell
187,000
-214,900
-53% -$10.2M 0.01% 1611
2014
Q4
$19.7M Buy
401,900
+226,800
+130% +$10.7M 0.02% 952
2014
Q3
$7.64M Sell
175,100
-39,500
-18% -$1.74M 0.01% 1597
2014
Q2
$9.74M Buy
214,600
+44,000
+26% +$1.95M 0.01% 1287
2014
Q1
$7.5M Sell
170,600
-64,300
-27% -$2.7M 0.01% 1466
2013
Q4
$9.66M Buy
234,900
+72,100
+44% +$2.98M 0.01% 1226
2013
Q3
$6.7M Sell
162,800
-19,100
-11% -$823K 0.01% 1364
2013
Q2
$8.03M Buy
+181,900
New +$8.36M 0.01% 1213

Other funds holding SO

Citadel Advisors's SO Position: Q1 2026 in Review

Citadel Advisors increased its Southern Company (SO) stake by 128% in Q1 2026, buying an estimated $46.5M and bringing the position to 894,897 shares worth $86.4M. The position accounts for 0.01% of the portfolio, ranked #916.

Citadel Advisors first reported a position in SO in Q2 2013 and has held it in 50 quarters since. The position peaked at $224M in Q1 2025. 2,344 funds tracked by Wall St. Rank hold SO as of Q1 2026.

  • Citadel Advisors held 894,897 shares of Southern Company worth $86.4M as of Q1 2026.
  • Citadel Advisors bought 502,837 Southern Company shares in Q1 2026, an estimated $46.5M.
  • Southern Company made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #916 holding.
  • Citadel Advisors first reported a position in Southern Company in Q2 2013 and has held it in 50 quarters since.
  • Citadel Advisors's Southern Company position peaked at $224M in Q1 2025.
  • 2,344 funds tracked by Wall St. Rank held Southern Company as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.