CAPITAL FUND MANAGEMENT S.A.

Position in SO — Southern Co

CIK 1323645 PARIS, I0

Back to SO Full portfolio

Position in SO

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$57,693,864

+$28,967,481 QoQ

Shares Held

597,740

+81.4% QoQ

Ownership

0.053%

of shares outstanding

% of Portfolio

0.54%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Common Shares in SO Over Time

Shares Held

Position Value (USD)

Derivatives in SO

reported options exposure · as of Mar 31, 2026

CallValue

$4,391,660

CallShares

45,500

PutValue

$3,880,104

PutShares

40,200

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Utilities - Regulated Electric

Utilities · as of Mar 31, 2026

CAPITAL FUND MANAGEMENT S.A. holds $256,595,082 across 18 Utilities - Regulated Electric names. SO ranks #1 (22.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SO	Southern Co This page	597,740	$57,693,864
2	AEP	American Electric Power Co Inc	383,428	$50,259,742
3	ED	Consolidated Edison Inc	421,349	$47,688,279
4	XEL	Xcel Energy Inc	381,019	$30,268,149
5	DUK	Duke Energy CORP	112,706	$14,757,723
6	PNW	Pinnacle West Capital Corp	117,108	$11,798,631
7	EXC	Exelon Corp	219,074	$10,739,007
8	PEG	Public Service Enterprise Group Inc	91,943	$7,442,785

All Filings in SO

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$57,693,864	597,740	+1386.9%	Shares	Sole	2026-05-14
2026-03-31	$3,880,104	40,200	-11.6%	Put	Sole	2026-05-14
2026-03-31	$4,391,660	45,500	+37.5%	Call	Sole	2026-05-14
2025-12-31	$2,886,320	33,100	-11.3%	Call	Sole	2026-02-17
2025-12-31	$3,252,560	37,300	-88.7%	Put	Sole	2026-02-17
2025-12-31	$28,726,383	329,431	+243.9%	Shares	Sole	2026-02-17
2025-09-30	$9,078,966	95,800	+7.1%	Call	Sole	2025-11-13
2025-09-30	$8,477,555	89,454	+91.1%	Shares	Sole	2025-11-13
2025-09-30	$4,435,236	46,800	+25.1%	Put	Sole	2025-11-13
2025-06-30	$3,434,442	37,400	-74.6%	Put	Sole	2025-08-13
2025-06-30	$13,508,193	147,100	+47.3%	Call	Sole	2025-08-13
2025-06-30	$9,172,806	99,889	-55.1%	Shares	Sole	2025-08-13
2025-03-31	$20,440,485	222,300	-42.9%	Call	Sole	2025-05-14
2025-03-31	$35,797,790	389,318	+345.4%	Shares	Sole	2025-05-14
2025-03-31	$8,036,430	87,400	-19.4%	Put	Sole	2025-05-14
2024-12-31	$8,923,899	108,405	-36.2%	Shares	Sole	2025-02-13
2024-12-31	$13,994,400	170,000	-45.5%	Put	Sole	2025-02-13
2024-12-31	$25,659,144	311,700	+36.1%	Call	Sole	2025-02-13
2024-09-30	$20,660,238	229,100	+390.6%	Call	Sole	2024-11-13
2024-09-30	$4,211,406	46,700	-22.0%	Put	Sole	2024-11-13
2024-06-30	$4,646,443	59,900	-32.6%	Put	Sole	2024-08-13
2024-06-30	$6,895,973	88,900	+106.2%	Call	Sole	2024-08-13
2024-06-30	$3,344,120	43,111	-76.6%	Shares	Sole	2024-08-13
2024-03-31	$13,207,620	184,104	+103.0%	Shares	Sole	2024-05-15
2024-03-31	$6,506,818	90,700	+98.0%	Call	Sole	2024-05-15
2024-03-31	$3,285,692	45,800	-78.7%	Put	Sole	2024-05-15
2023-12-31	$15,089,824	215,200	+54.5%	Call	Sole	2024-02-14
2023-12-31	$9,767,716	139,300	-12.2%	Put	Sole	2024-02-14
2023-09-30	$10,264,592	158,600	+48.1%	Call	Sole	2023-11-14
2023-09-30	$6,931,512	107,100	-62.9%	Put	Sole	2023-11-14
2023-06-30	$20,267,125	288,500	+226.0%	Call	Sole	2023-08-14
2023-06-30	$6,217,125	88,500	-32.7%	Put	Sole	2023-08-14
2023-03-31	$9,149,770	131,500	-52.1%	Put	Sole	2023-05-15
2023-03-31	$19,092,752	274,400	+34.4%	Call	Sole	2023-05-15
2022-12-31	$14,574,781	204,100	+10.9%	Put	Sole	2023-02-13
2022-12-31	$13,139,440	184,000	+122.5%	Call	Sole	2023-02-13
2022-09-30	$5,623,600	82,700	+57.7%	Put	Sole	2022-11-14
2022-09-30	$3,566,328	52,446	-59.7%	Shares	Sole	2022-11-14
2022-09-30	$8,840,000	130,000	-0.9%	Call	Sole	2022-11-14
2022-06-30	$9,355,872	131,200	+115.8%	Call	Sole	2022-08-12
2022-06-30	$4,335,648	60,800	+100.7%	Put	Sole	2022-08-12
2022-03-31	$2,197,053	30,300	-68.3%	Put	Sole	2022-05-12
2022-03-31	$6,924,705	95,500	0.0%	Call	Sole	2022-05-12
2021-12-31	$6,549,390	95,500	+291.4%	Call	Sole	2022-02-10
2021-12-31	$1,673,352	24,400	-34.6%	Put	Sole	2022-02-10
2021-09-30	$2,312,162	37,311	-3.6%	Shares	Sole	2021-11-12
2021-09-30	$2,398,239	38,700	-39.5%	Call	Sole	2021-11-12
2021-06-30	$3,870,098	63,958	+99.2%	Shares	Sole	2021-08-12
2021-06-30	$1,942,371	32,100	+17.2%	Call	Sole	2021-08-12
2021-06-30	$1,657,974	27,400	—	Put	Sole	2021-08-12
No filing history on record for this holder in this stock.