SIMPLEX TRADING, LLC

Position in WDFC — Wd 40 Co

CIK 1488542 CHICAGO, IL

Position in WDFC

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

Position Value

$68,950

+$67,931 QoQ

Shares Held

283

+5560.0% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#291

of 383 holders

Holding Since

Jun 2020

16 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $6,010,293 across 26 Specialty Chemicals names. WDFC ranks #16 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LYB	LyondellBasell Industries N.V.	17,453	$918,900
2	SHW	Sherwin Williams Co	2,385	$821,203
3	LWLG	Lightwave Logic, Inc.	75,117	$710,606
4	BCPC	Balchem Corp	4,085	$690,160
5	CBT	Cabot Corp	6,472	$587,787
6	SSL	Sasol Ltd	33,944	$333,330
7	PRM	Perimeter Solutions, Inc.	9,058	$322,917
8	NEU	Newmarket Corp	315	$249,240

16 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$68,950	283	+5560.0%	Shares	Sole	2026-08-12
2026-03-31	$1,019	5	-99.5%	Shares	Sole	2026-05-14
2025-12-31	$207,926	1,056	-44.1%	Shares	Sole	2026-02-11
2024-09-30	$487,135	1,889	-40.2%	Shares	Sole	2024-11-08
2024-06-30	$694,062	3,160	+29.8%	Shares	Sole	2024-07-25
2024-03-31	$616,556	2,434	+48.1%	Shares	Sole	2024-04-25
2023-12-31	$393,031	1,644	-64.3%	Shares	Sole	2024-02-02
2023-09-30	$935,716	4,604	+372.7%	Shares	Sole	2023-11-01
2023-06-30	$183,745	974	+72.1%	Shares	Sole	2023-08-04
2022-09-30	$99,468	566	+225.3%	Shares	Sole	2022-11-04
2021-09-30	$40,277	174	0.0%	Shares	Sole	2021-10-28
2021-06-30	$44,594	174	-40.2%	Shares	Sole	2021-08-12
2021-03-31	$89,098	291	-57.1%	Shares	Sole	2021-04-26
2020-12-31	$180,396	679	+255.5%	Shares	Sole	2021-02-02
2020-09-30	$36,158	191	-3.5%	Shares	Sole	2020-10-14
2020-06-30	$39,263	198	—	Shares	Sole	2020-07-13
No filing history on record for this holder in this stock.