SIMPLEX TRADING, LLC

Position in ASTL — Algoma Steel Group Inc.

CIK 1488542 CHICAGO, IL

Position in ASTL

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

Position Value

$509,186

-$130,571 QoQ

Shares Held

125,725

-18.8% QoQ

Ownership

0.119%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#42

of 95 holders

Holding Since

Jun 2022

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $1,426,014 across 6 Steel names. ASTL ranks #1 (35.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASTL	Algoma Steel Group Inc. This page	125,725	$509,186
2	NWPX	NWPX Infrastructure, Inc.	2,572	$385,645
3	RS	Reliance, Inc.	846	$316,065
4	TX	Ternium S.A.	4,671	$199,451
5	MTUS	Metallus Inc.	619	$11,569
6	MSB	Mesabi Trust	162	$4,098

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$509,186	125,725	-18.8%	Shares	Sole	2026-08-12
2026-03-31	$639,757	154,905	+109.0%	Shares	Sole	2026-05-14
2025-12-31	$303,924	74,128	+1266.2%	Shares	Sole	2026-02-11
2024-12-31	$53,066	5,426	-47.5%	Shares	Sole	2025-02-11
2024-09-30	$105,655	10,328	-56.7%	Shares	Sole	2024-11-08
2024-06-30	$166,058	23,859	+332.1%	Shares	Sole	2024-07-25
2024-03-31	$46,881	5,522	-96.2%	Shares	Sole	2024-04-25
2023-12-31	$1,457,158	145,280	+65.6%	Shares	Sole	2024-02-02
2023-09-30	$596,570	87,731	-53.8%	Shares	Sole	2023-11-01
2023-06-30	$1,347,203	189,747	+54.6%	Shares	Sole	2023-08-04
2023-03-31	$991,553	122,717	+1939.8%	Shares	Sole	2023-04-27
2022-12-31	$38,141	6,016	-96.6%	Shares	Sole	2023-02-02
2022-06-30	$1,583,730	176,362	—	Shares	Sole	2022-08-03
No filing history on record for this holder in this stock.