SIMPLEX TRADING, LLC

Position in ATRO — Astronics Corp

CIK 1488542 CHICAGO, IL

Position in ATRO

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

Position Value

$115,389

-$1,690 QoQ

Shares Held

1,420

-76.6% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#246

of 310 holders

Holding Since

Mar 2021

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $38,870,259 across 50 Aerospace & Defense names. ATRO ranks #31 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GE	General Electric Co	37,191	$13,899,392
2	AVAV	AeroVironment Inc	26,573	$4,386,405
3	ESLT	Elbit Systems Ltd	5,383	$4,084,189
4	RKLB	Rocket Lab Corp	32,873	$3,341,540
5	RDW	Redwire Corp	212,133	$2,594,386
6	HEI	Heico Corp	2,859	$1,018,347
7	ACHR	Archer Aviation Inc.	205,356	$971,333
8	ARXS	Arxis, Inc.	19,227	$887,133

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$115,389	1,420	-70.7%	Shares	Sole	2026-08-12
2025-03-31	$117,079	4,844	+274.9%	Shares	Sole	2025-05-12
2024-03-31	$24,599	1,292	-54.2%	Shares	Sole	2024-04-25
2023-12-31	$49,089	2,818	-49.4%	Shares	Sole	2024-02-02
2023-09-30	$88,276	5,566	+4282.7%	Shares	Sole	2023-11-01
2023-06-30	$2	127	-95.4%	Shares	Sole	2023-08-04
2023-03-31	$36,886	2,761	-40.4%	Shares	Sole	2023-04-27
2022-12-31	$47,699	4,631	+1621.6%	Shares	Sole	2023-02-02
2022-09-30	$2,114	269	-56.0%	Shares	Sole	2022-11-04
2022-06-30	$6,213	611	-38.8%	Shares	Sole	2022-08-03
2021-12-31	$11,987	999	+152.9%	Shares	Sole	2022-02-23
2021-03-31	$7,125	395	—	Shares	Sole	2021-04-26
No filing history on record for this holder in this stock.