SIMPLEX TRADING, LLC

Position in VST — Vistra Corp.

CIK 1488542 CHICAGO, IL

Position in VST

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

Position Value

$2,022,690

-$4,848,677 QoQ

Shares Held

13,455

-68.4% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

18 quarters on record

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

Utilities · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $4,801,484 across 5 Utilities - Independent Power Producers names. VST ranks #1 (42.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VST	Vistra Corp. This page	13,455	$2,022,690
2	CEG	Constellation Energy Corp	6,258	$1,747,546
3	HNRG	Hallador Energy Co	52,528	$855,155
4	TAC	Transalta Corp	13,392	$175,435
5	KEN	Kenon Holdings Ltd.	8	$658

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,022,690	13,455	-68.4%	Shares	Sole	2026-05-14
2025-12-31	$6,871,367	42,592	+43.4%	Shares	Sole	2026-02-11
2025-03-31	$3,489,259	29,711	+3.1%	Shares	Sole	2025-05-12
2024-12-31	$3,972,172	28,811	-69.3%	Shares	Sole	2025-02-11
2024-09-30	$11,133,513	93,922	+49.2%	Shares	Sole	2024-11-08
2024-03-31	$4,385,094	62,959	+85.7%	Shares	Sole	2024-04-25
2023-09-30	$1,125,166	33,911	+51.4%	Shares	Sole	2023-11-01
2023-06-30	$588,026	22,401	-89.9%	Shares	Sole	2023-08-04
2023-03-31	$5,323,920	221,830	+430.5%	Shares	Sole	2023-04-27
2022-12-31	$970,131	41,816	-55.8%	Shares	Sole	2023-02-02
2022-06-30	$2,162,866	94,655	+0.6%	Shares	Sole	2022-08-03
2022-03-31	$2,188,290	94,120	-1.9%	Shares	Sole	2022-05-02
2021-12-31	$2,184,212	95,925	+689.2%	Shares	Sole	2022-02-23
2021-03-31	$214,900	12,155	-1.4%	Shares	Sole	2021-04-26
2020-12-31	$242,289	12,324	+128.7%	Shares	Sole	2021-02-02
2020-09-30	$101,617	5,388	-77.9%	Shares	Sole	2020-10-14
2020-06-30	$454,309	24,399	-21.0%	Shares	Sole	2020-07-13
2020-03-31	$492,956	30,887	—	Shares	Sole	2020-04-29
No filing history on record for this holder in this stock.