SIMPLEX TRADING, LLC

Position in DTCX — Datacentrex, Inc.

CIK 1488542 CHICAGO, IL

Position in DTCX

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

Position Value

$328

-$3,087 QoQ

Shares Held

153

-87.7% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $1,665,287 across 5 Financial Data & Stock Exchanges names. DTCX ranks #5 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CME	Cme Group Inc.	3,061	$904,066
2	CBOE	Cboe Global Markets, Inc.	1,207	$339,251
3	MSCI	MSCI Inc.	620	$334,186
4	TRU	TransUnion	1,264	$87,456
5	DTCX	Datacentrex, Inc. This page	153	$328

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$328	153	-87.7%	Shares	Sole	2026-05-14
2025-12-31	$3,415	1,242	—	Shares	Sole	2026-02-11
No filing history on record for this holder in this stock.