Duff & Phelps Investment Management CO Southern CO Transaction History

Duff & Phelps Investment Management CO

$8.82 Billion
Q4 2025

A detailed history of Duff & Phelps Investment Management CO transactions in Southern CO stock. As of the latest transaction made, Duff & Phelps Investment Management CO holds 1,238,217 shares of SO stock, worth $112 Million. This represents 1.27% of its overall portfolio holdings.

Number of Shares

1,238,217

Previous 1,151,486 7.53%

Holding current value

$112 Million

Previous $109 Million 2.78%

% of portfolio

1.27%

Previous 1.27%

30 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2025 Jan 26, 2026	BUY	$90.58 - $99.72 $7.86 Million - $8.65 Million	86,731 Added 7.53%	1,238,217 $112 Million
Q3 2025 Nov 13, 2025	SELL	$90.83 - $96.0 $17.7 Million - $18.7 Million	-194,488 Reduced 14.45%	1,151,486 $109 Million
Q2 2025 Aug 11, 2025	BUY	$84.91 - $92.56 $3.83 Million - $4.17 Million	45,088 Added 3.47%	1,345,974 $124 Million
Q1 2025 May 13, 2025	SELL	$80.96 - $92.96 $5.24 Million - $6.01 Million	-64,688 Reduced 4.74%	1,300,886 $120 Million
Q4 2024 Feb 12, 2025	SELL	$81.5 - $94.15 $19.2 Million - $22.1 Million	-235,144 Reduced 14.69%	1,365,574 $112 Million

Q3 2024 Nov 15, 2024	SELL	$77.0 - $90.52 $19.5 Million - $23 Million	-253,862 Reduced 13.69%	1,600,718 $144 Million
Q2 2024 Aug 14, 2024	SELL	$67.77 - $80.71 $1.23 Million - $1.47 Million	-18,165 Reduced 0.97%	1,854,580 $144 Million
Q1 2024 May 14, 2024	BUY	$66.25 - $72.24 $18.8 Million - $20.5 Million	283,578 Added 17.84%	1,872,745 $134 Million
Q4 2023 Feb 05, 2024	BUY	$62.71 - $73.08 $4.84 Million - $5.64 Million	77,194 Added 5.11%	1,589,167 $111 Million
Q3 2023 Nov 13, 2023	SELL	$64.72 - $73.09 $435,112 - $491,384	-6,723 Reduced 0.44%	1,511,973 $97.9 Million
Q2 2023 Aug 03, 2023	SELL	$68.97 - $75.66 $4,896 - $5,371	-71 Reduced -0.0%	1,518,696 $107 Million
Q1 2023 May 10, 2023	BUY	$62.32 - $72.5 $4.08 Million - $4.74 Million	65,435 Added 4.5%	1,518,767 $106 Million
Q4 2022 Feb 08, 2023	BUY	$63.44 - $72.26 $370,489 - $421,998	5,840 Added 0.4%	1,453,332 $104 Million
Q3 2022 Nov 14, 2022	BUY	$68.0 - $80.16 $3.39 Million - $4 Million	49,869 Added 3.57%	1,447,492 $98.4 Million
Q2 2022 Aug 10, 2022	SELL	$65.39 - $76.51 $4.25 Million - $4.97 Million	-64,923 Reduced 4.44%	1,397,623 $99.7 Million
Q1 2022 May 11, 2022	SELL	$62.84 - $72.51 $4.19 Million - $4.84 Million	-66,731 Reduced 4.36%	1,462,546 $106 Million
Q4 2021 Feb 07, 2022	SELL	$61.1 - $68.58 $10.1 Million - $11.4 Million	-165,626 Reduced 9.77%	1,529,277 $105 Million
Q3 2021 Nov 10, 2021	SELL	$61.34 - $67.32 $547,091 - $600,427	-8,919 Reduced 0.52%	1,694,903 $105 Million
Q2 2021 Aug 09, 2021	SELL	$60.46 - $66.42 $1.57 Million - $1.73 Million	-26,028 Reduced 1.5%	1,703,822 $103 Million
Q1 2021 May 10, 2021	BUY	$56.72 - $62.32 $6.61 Million - $7.26 Million	116,470 Added 7.22%	1,729,850 $108 Million
Q4 2020 Jan 29, 2021	SELL	$54.62 - $64.17 $13.3 Million - $15.6 Million	-243,450 Reduced 13.11%	1,613,380 $99.1 Million
Q3 2020 Nov 03, 2020	BUY	$51.56 - $55.78 $9.52 Million - $10.3 Million	184,600 Added 11.04%	1,856,830 $101 Million
Q1 2020 May 14, 2020	BUY	$43.23 - $70.85 $5,187 - $8,502	120 Added 0.01%	1,672,230 $90.5 Million
Q4 2019 Jan 24, 2020	SELL	$60.33 - $63.86 $14.3 Million - $15.2 Million	-237,350 Reduced 12.43%	1,672,110 $107 Million
Q2 2019 Aug 02, 2019	SELL	$51.2 - $56.28 $4.8 Million - $5.27 Million	-93,680 Reduced 4.68%	1,909,460 $106 Million
Q3 2018 Oct 22, 2018	SELL	$42.66 - $49.08 $8,958 - $10,306	-210 Reduced 0.01%	2,003,140 $87.3 Million
Q2 2018 Aug 02, 2018	SELL	$42.73 - $46.6 $5,127 - $5,592	-120 Reduced 0.01%	2,003,350 $92.8 Million
Q1 2018 May 01, 2018	SELL	$42.92 - $47.2 $15,022 - $16,520	-350 Reduced 0.02%	2,003,470 $89.5 Million
Q4 2017 Jan 24, 2018	SELL	$48.05 - $53.25 $12,493 - $13,845	-260 Reduced 0.01%	2,003,820 $96.4 Million
Q3 2017 Oct 25, 2017	BUY	$47.92 - $50.64 $96 Million - $101 Million	2,004,080	2,004,080 $98.5 Million

Others Institutions Holding SO

# of Institutions

2,538

Shares Held

782M

Call Options Held

4.68M

Put Options Held

4.55M

View Full List

About SOUTHERN CO

Ticker SO
Exchange NYSE
Sector Utilities
Industry Utilities—Regulated Electric
Shares Outstandng 1,088,669,952
Market Cap $98.6B
Description
The Southern Company, through its subsidiaries, engages in the generation, transmission, and distribution of electricity. It operates through Gas Distribution Operations, Gas Pipeline Investments, Wholesale Gas Services, and Gas Marketing Services segments. The company also develops, constructs, acquires, owns, and manages power generation asset...

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Duff & Phelps Investment Management CO Southern CO Transaction History