GROUP ONE TRADING LLC

Position in VST — Vistra Corp.

CIK 932540 CHICAGO, IL

Position in VST

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$20,135,951

+$19,395,608 QoQ

Shares Held

133,945

+2818.8% QoQ

Ownership

0.040%

of shares outstanding

% of Portfolio

0.78%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

13 quarters on record

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

Utilities · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $24,025,766 across 5 Utilities - Independent Power Producers names. VST ranks #1 (83.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VST	Vistra Corp. This page	133,945	$20,135,951
2	NRG	Nrg Energy, Inc.	23,918	$3,495,376
3	DGXX	Digi Power X Inc.	111,432	$226,206
4	TAC	Transalta Corp	10,252	$134,301
5	KEN	Kenon Holdings Ltd.	412	$33,932

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$20,135,951	133,945	+2818.8%	Shares	Sole	2026-05-13
2025-12-31	$740,343	4,589	-58.0%	Shares	Sole	2026-02-12
2025-09-30	$2,138,270	10,914	+96.3%	Shares	Sole	2025-11-12
2025-06-30	$1,077,583	5,560	-62.8%	Shares	Sole	2025-08-14
2025-03-31	$1,754,318	14,938	-85.8%	Shares	Sole	2025-05-14
2024-12-31	$14,519,916	105,316	-46.4%	Shares	Sole	2025-05-14
2022-09-30	$4,129,146	196,626	+552.5%	Shares	Sole	2022-11-09
2022-06-30	$688,607	30,136	-80.2%	Shares	Sole	2022-08-11
2022-03-31	$3,536,720	152,117	+11.7%	Shares	Sole	2022-05-12
2021-12-31	$3,102,253	136,243	-51.9%	Shares	Sole	2022-02-11
2021-09-30	$4,840,001	283,041	+18.1%	Shares	Sole	2021-11-12
2021-06-30	$4,447,343	239,749	+744.5%	Shares	Sole	2021-08-10
2020-09-30	$535,397	28,388	—	Shares	Sole	2020-11-12
No filing history on record for this holder in this stock.