SIMPLEX TRADING, LLC

Position in WHD — Cactus, Inc.

CIK 1488542 CHICAGO, IL

Position in WHD

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

Position Value

$24,590

-$41,600 QoQ

Shares Held

480

-66.9% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#270

of 340 holders

Holding Since

Sep 2020

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $7,675,213 across 24 Oil & Gas Equipment & Services names. WHD ranks #16 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LBRT	Liberty Energy Inc.	97,406	$2,551,063
2	KGS	Kodiak Gas Services, Inc.	11,387	$855,505
3	PUMP	ProPetro Holding Corp.	54,889	$787,108
4	OII	Oceaneering International Inc	14,822	$600,587
5	WTTR	Select Water Solutions, Inc.	23,996	$479,440
6	TDW	Tidewater Inc	6,667	$444,222
7	NOV	NOV Inc.	23,905	$443,437
8	AROC	Archrock, Inc.	9,134	$371,845

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$24,590	480	-66.9%	Shares	Sole	2026-08-12
2025-12-31	$66,190	1,449	+311.6%	Shares	Sole	2026-02-11
2025-06-30	$15,389	352	+266.7%	Shares	Sole	2025-08-05
2025-03-31	$4,399	96	-70.5%	Shares	Sole	2025-05-12
2024-09-30	$19,392	325	-90.3%	Shares	Sole	2024-11-08
2024-03-31	$167,601	3,346	+101.2%	Shares	Sole	2024-04-25
2023-12-31	$75,500	1,663	+63.8%	Shares	Sole	2024-02-02
2022-06-30	$40,874	1,015	-82.6%	Shares	Sole	2022-08-03
2022-03-31	$331,702	5,846	+7908.2%	Shares	Sole	2022-05-02
2021-12-31	$2,783	73	-35.4%	Shares	Sole	2022-02-23
2021-09-30	$4,262	113	0.0%	Shares	Sole	2021-10-28
2021-06-30	$4,149	113	-27.6%	Shares	Sole	2021-08-12
2020-09-30	$2,993	156	—	Shares	Sole	2020-10-14
No filing history on record for this holder in this stock.