SIMPLEX TRADING, LLC

Position in MSA — MSA Safety Inc

CIK 1488542 CHICAGO, IL

Position in MSA

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

Position Value

$1,571

-$136,025 QoQ

Shares Held

-98.9% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#431

of 453 holders

Holding Since

Mar 2020

8 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $2,233,633 across 6 Security & Protection Services names. MSA ranks #6 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CXW	CoreCivic, Inc.	37,343	$1,134,480
2	EVLV	Evolv Technologies Holdings, Inc.	92,936	$539,028
3	MG	Mistras Group, Inc.	13,151	$229,747
4	ALLE	Allegion plc	1,304	$183,198
5	BCO	Brinks Co	1,541	$145,609
6	MSA	MSA Safety Inc This page	9	$1,571

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,571	9	-98.9%	Shares	Sole	2026-08-12
2023-12-31	$137,596	815	-41.7%	Shares	Sole	2024-02-02
2023-09-30	$220,394	1,398	+13880.0%	Shares	Sole	2023-11-01
2023-06-30	$1	10	-99.4%	Shares	Sole	2023-08-04
2020-12-31	$248,286	1,662	+489.4%	Shares	Sole	2021-02-02
2020-09-30	$37,835	282	-71.0%	Shares	Sole	2020-10-14
2020-06-30	$111,121	971	-73.8%	Shares	Sole	2020-07-13
2020-03-31	$374,946	3,705	—	Shares	Sole	2020-04-29
No filing history on record for this holder in this stock.