SIMPLEX TRADING, LLC

Position in ARQQ — Arqit Quantum Inc.

CIK 1488542 CHICAGO, IL

Position in ARQQ

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

Position Value

$340,947

-$348,531 QoQ

Shares Held

11,472

-35.5% QoQ

Ownership

0.066%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#26

of 64 holders

Holding Since

Dec 2021

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $269,753,903 across 71 Software - Infrastructure names. ARQQ ranks #42 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ORCL	Oracle Corp	567,292	$83,136,642
2	MSFT	Microsoft Corp	197,528	$73,681,894
3	PLTR	Palantir Technologies Inc.	201,696	$23,531,872
4	FTNT	Fortinet, Inc.	59,034	$9,068,803
5	AKAM	Akamai Technologies Inc	65,275	$7,716,157
6	OKTA	Okta, Inc.	45,957	$6,270,832
7	NET	Cloudflare, Inc.	24,408	$5,986,794
8	PANW	Palo Alto Networks Inc	14,905	$5,082,903

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$340,947	11,472	-35.5%	Shares	Sole	2026-08-12
2025-09-30	$689,478	17,793	+5811.3%	Shares	Sole	2025-11-12
2025-06-30	$11,146	301	-79.7%	Shares	Sole	2025-08-05
2025-03-31	$20,540	1,482	-85.7%	Shares	Sole	2025-05-12
2023-12-31	$4	10,352	-22.6%	Shares	Sole	2024-02-02
2023-09-30	$7	13,383	-21.6%	Shares	Sole	2023-11-01
2023-06-30	$20,642	17,060	-53.1%	Shares	Sole	2023-08-04
2023-03-31	$50,898	36,356	+228.0%	Shares	Sole	2023-04-27
2022-12-31	$40,013	11,084	+5.6%	Shares	Sole	2023-02-02
2022-09-30	$59,086	10,495	-25.5%	Shares	Sole	2022-11-04
2022-03-31	$219,568	14,093	-68.6%	Shares	Sole	2022-05-02
2021-12-31	$1,073,870	44,838	—	Shares	Sole	2022-02-23
No filing history on record for this holder in this stock.