SIMPLEX TRADING, LLC

Position in TAC — Transalta Corp

CIK 1488542 CHICAGO, IL

Position in TAC

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

Position Value

$175,435

+$54,761 QoQ

Shares Held

13,392

+40.3% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#138

of 176 holders

Holding Since

Dec 2022

10 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. TAC ranks #4 (3.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VST	Vistra Corp.	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 This page	13,392	$175,435
5	KEN	Kenon Holdings Ltd.	8	$658

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$175,435	13,392	+40.3%	Shares	Sole	2026-05-14
2025-12-31	$120,674	9,547	-81.4%	Shares	Sole	2026-02-11
2025-06-30	$553,753	51,321	-19.9%	Shares	Sole	2025-08-05
2025-03-31	$599,381	64,105	+126.0%	Shares	Sole	2025-05-12
2024-12-31	$401,294	28,360	-55.4%	Shares	Sole	2025-02-11
2024-09-30	$658,885	63,599	+1488.4%	Shares	Sole	2024-11-08
2024-06-30	$28,348	4,004	-79.6%	Shares	Sole	2024-07-25
2023-09-30	$170,798	19,632	+2943.7%	Shares	Sole	2023-11-01
2023-03-31	$5,643	645	-78.0%	Shares	Sole	2023-04-27
2022-12-31	$26,309	2,933	—	Shares	Sole	2023-02-02
No filing history on record for this holder in this stock.