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WELLINGTON MANAGEMENT GROUP LLP

Position in SO — Southern Co

CIK 902219 Boston, MA

Position in SO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$528,262,730
+$92,404,472 QoQ
Shares Held
5,519,410
+22.2% QoQ
Ownership
0.490%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#26
of 2,359 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in SO Over Time

Shares Held

Position Value (USD)

Position in Utilities - Regulated Electric

Utilities · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $10,126,884,845 across 19 Utilities - Regulated Electric names. SO ranks #7 (5.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 SO
Southern Co
This page
5,519,410 $528,262,730

All Filings in SO

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33 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $528,262,730 5,519,410
2026-03-31 $435,858,258 4,515,730
2025-12-31 $322,735,745 3,701,098
2025-09-30 $288,938,376 3,048,838
2025-06-30 $280,116,394 3,050,380
2025-03-31 $279,439,083 3,039,033
2024-12-31 $245,660,083 2,984,209
2024-09-30 $272,948,886 3,026,712
2024-06-30 $247,732,360 3,193,662
2024-03-31 $246,621,887 3,437,718
2023-12-31 $247,457,125 3,529,052
2023-09-30 $167,922,834 2,594,605
2023-06-30 $550,852,447 7,841,316
2023-03-31 $457,305,712 6,572,373
2022-12-31 $178,880,478 2,504,978
2022-09-30 $169,279,676 2,489,407
2022-06-30 SOLN 107,231
2022-06-30 $182,143,138 2,554,244
2022-03-31 SOLN 112,931
2022-03-31 $188,364,518 2,597,773
2021-12-31 SOLN 116,471
2021-12-31 $172,854,860 2,520,485
2021-09-30 SOLN 111,671
2021-09-30 $155,134,581 2,503,382
2021-06-30 SOLN 103,071
2021-06-30 $143,226,866 2,366,995
2021-03-31 SOLN 103,071
2021-03-31 $190,089,006 3,058,060
2020-12-31 SOLN 105,071
2020-12-31 $203,111,842 3,306,395
2020-09-30 SOLN 105,071
2020-09-30 $54,814,518 1,010,965
2020-03-31 $63,551,047 1,173,828