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RHUMBLINE ADVISERS

Position in SO — Southern Co

CIK 1115418 BOSTON, MA

Position in SO

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$188,289,325
+$2,732,425 QoQ
Shares Held
1,967,290
+2.3% QoQ
Ownership
0.175%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
#55
of 2,360 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 52% Shared 0% None 48%

Common Shares in SO Over Time

Shares Held

Position Value (USD)

Position in Utilities - Regulated Electric

Utilities · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $2,107,473,063 across 39 Utilities - Regulated Electric names. SO ranks #2 (8.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 SO
Southern Co
This page
1,967,290 $188,289,325

All Filings in SO

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28 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $188,289,325 1,967,290
2026-03-31 $185,556,900 1,922,471
2025-12-31 $169,508,777 1,943,908
2025-09-30 $183,537,362 1,936,661
2025-06-30 $176,578,805 1,922,888
2025-03-31 $180,690,761 1,965,098
2024-12-31 $168,361,440 2,045,207
2024-09-30 $186,385,647 2,066,818
2024-06-30 $165,209,982 2,129,818
2024-03-31 $155,058,190 2,161,391
2023-12-31 $148,647,598 2,119,903
2023-09-30 $137,331,956 2,121,940
2023-06-30 $146,083,540 2,079,481
2023-03-31 $147,184,383 2,115,326
2022-12-31 $150,157,448 2,102,751
2022-09-30 SOJE $318,250 16,750
2022-09-30 $139,105,764 2,045,673
2022-06-30 SOJE $273,843 14,375
2022-06-30 $140,107,962 1,964,773
2022-03-31 $132,311,027 1,824,728
2021-12-31 $124,617,198 1,817,107
2021-09-30 $111,197,108 1,794,370
2021-06-30 $110,314,570 1,823,080
2021-03-31 $115,738,066 1,861,938
2020-12-31 $121,515,665 1,978,116
2020-09-30 $108,378,134 1,998,859
2020-06-30 $104,135,902 2,008,407
2020-03-31 $105,995,941 1,957,812