SIMPLEX TRADING, LLC

Position in HNRG — Hallador Energy Co

CIK 1488542 CHICAGO, IL

Position in HNRG

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$912,244

+$57,089 QoQ

Shares Held

52,458

-0.1% QoQ

Ownership

0.111%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#68

of 172 holders

Holding Since

Jun 2022

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Utilities · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $16,661,017 across 7 Utilities - Independent Power Producers names. HNRG ranks #3 (5.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VST	Vistra Corp.	56,502	$8,962,912
2	OKLO	Oklo Inc.	103,032	$5,391,664
3	HNRG	Hallador Energy Co This page	52,458	$912,244
4	TAC	Transalta Corp	41,771	$577,692
5	TLN	Talen Energy Corp	1,072	$411,926
6	NRG	Nrg Energy, Inc.	1,656	$241,875
7	DGXX	Digi Power X Inc.	29,854	$162,704

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$912,244	52,458	-0.1%	Shares	Sole	2026-08-12
2026-03-31	$855,155	52,528	+66.1%	Shares	Sole	2026-05-14
2025-12-31	$602,254	31,631	-15.4%	Shares	Sole	2026-02-11
2025-09-30	$731,741	37,391	+58323.4%	Shares	Sole	2025-11-12
2025-06-30	$1,013	64	-99.5%	Shares	Sole	2025-08-05
2025-03-31	$168,088	13,688	-72.7%	Shares	Sole	2025-05-12
2024-09-30	$472,612	50,118	+62.3%	Shares	Sole	2024-11-08
2024-06-30	$239,898	30,875	+3319.2%	Shares	Sole	2024-07-25
2023-09-30	$13,021	903	-31.1%	Shares	Sole	2023-11-01
2023-06-30	$11,226	1,310	-87.6%	Shares	Sole	2023-08-04
2022-12-31	$105,913	10,602	+45.1%	Shares	Sole	2023-02-02
2022-09-30	$41,054	7,305	+326.2%	Shares	Sole	2022-11-04
2022-06-30	$9,272	1,714	—	Shares	Sole	2022-08-03
No filing history on record for this holder in this stock.