SIMPLEX TRADING, LLC

Position in ASPI — ASP Isotopes Inc.

CIK 1488542 CHICAGO, IL

Position in ASPI

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

Position Value

$272,484

-$228,896 QoQ

Shares Held

61,648

-34.2% QoQ

Ownership

0.049%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2024

6 quarters on record

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

Basic Materials · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $21,410,404 across 6 Chemicals names. ASPI ranks #5 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DOW	Dow Inc.	459,257	$19,128,054
2	TROX	Tronox Holdings plc	93,642	$914,882
3	ASIX	AdvanSix Inc.	24,672	$601,996
4	HUN	Huntsman CORP	28,522	$379,627
5	ASPI	ASP Isotopes Inc. This page	61,648	$272,484
6	ACNT	Ascent Industries Co.	8,517	$113,361

6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$272,484	61,648	-34.2%	Shares	Sole	2026-05-14
2025-12-31	$501,380	93,716	+599.5%	Shares	Sole	2026-02-11
2025-09-30	$128,879	13,397	-94.4%	Shares	Sole	2025-11-12
2025-06-30	$1,767,504	240,150	+9215.4%	Shares	Sole	2025-08-05
2025-03-31	$12,090	2,578	+101.6%	Shares	Sole	2025-05-12
2024-12-31	$5,793	1,279	—	Shares	Sole	2025-02-11
No filing history on record for this holder in this stock.