SIMPLEX TRADING, LLC

Position in COHR — Coherent Corp.

CIK 1488542 CHICAGO, IL

Position in COHR

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

Position Value

$10,564,695

+$8,076,830 QoQ

Shares Held

26,782

+156.4% QoQ

Ownership

0.014%

of shares outstanding

% of Portfolio

0.34%

of 13F equity value

Holder Rank

#313

of 1,302 holders

Holding Since

Sep 2022

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $23,150,058 across 13 Scientific & Technical Instruments names. COHR ranks #1 (45.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	COHR	Coherent Corp. This page	26,782	$10,564,695
2	ESE	Esco Technologies Inc	10,944	$3,830,837
3	MKSI	Mks Inc	5,931	$2,638,108
4	ITRN	Ituran Location & Control Ltd.	38,435	$2,344,919
5	VPG	Vishay Precision Group, Inc.	7,850	$1,176,793
6	NOVT	Novanta Inc	5,780	$937,747
7	GRMN	Garmin Ltd	2,865	$680,552
8	CGNX	Cognex Corp	6,198	$448,859

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$10,564,695	26,782	+156.4%	Shares	Sole	2026-08-12
2026-03-31	$2,487,865	10,444	-76.4%	Shares	Sole	2026-05-14
2025-12-31	$8,160,024	44,211	+145.6%	Shares	Sole	2026-02-11
2025-09-30	$1,938,744	17,998	-39.5%	Shares	Sole	2025-11-12
2024-06-30	$2,155,540	29,748	-78.4%	Shares	Sole	2024-07-25
2024-03-31	$8,363,438	137,965	+156.4%	Shares	Sole	2024-04-25
2023-12-31	$2,342,218	53,807	-19.9%	Shares	Sole	2024-02-02
2023-09-30	$2,192,657	67,177	-33.3%	Shares	Sole	2023-11-01
2023-06-30	$5,136,489	100,755	+148.0%	Shares	Sole	2023-08-04
2023-03-31	$1,547,228	40,631	+557.2%	Shares	Sole	2023-04-27
2022-12-31	$216,988	6,182	+142.6%	Shares	Sole	2023-02-02
2022-09-30	$88,797	2,548	—	Shares	Sole	2022-11-04
No filing history on record for this holder in this stock.