GROUP ONE TRADING LLC

Position in VST — Vistra Corp.

CIK 932540 CHICAGO, IL

Position in VST

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$4,161,023

-$15,974,928 QoQ

Shares Held

26,231

-80.4% QoQ

Ownership

0.008%

of shares outstanding

% of Portfolio

0.14%

of 13F equity value

Holder Rank

#417

of 1,395 holders

Holding Since

Sep 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Utilities · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $16,813,811 across 4 Utilities - Independent Power Producers names. VST ranks #2 (24.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NRG	Nrg Energy, Inc.	70,008	$10,225,368
2	VST	Vistra Corp. This page	26,231	$4,161,023
3	DGXX	Digi Power X Inc.	433,091	$2,360,345
4	TAC	Transalta Corp	4,850	$67,075

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,161,023	26,231	-80.4%	Shares	Sole	2026-08-14
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.