SIMPLEX TRADING, LLC

Position in RHI — Robert Half Inc.

CIK 1488542 CHICAGO, IL

Position in RHI

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$165,201

-$273,270 QoQ

Shares Held

6,504

-59.7% QoQ

Ownership

0.006%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2021

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $458,040 across 6 Staffing & Employment Services names. RHI ranks #2 (36.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KELYA	Kelly Services Inc	22,333	$197,647
2	RHI	Robert Half Inc. This page	6,504	$165,201
3	MAN	ManpowerGroup Inc.	1,596	$47,018
4	TBI	TrueBlue, Inc.	7,996	$31,264
5	NSP	Insperity, Inc.	516	$13,952
6	KFY	Korn Ferry	47	$2,958

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$165,201	6,504	-59.7%	Shares	Sole	2026-05-14
2025-12-31	$438,471	16,144	-22.4%	Shares	Sole	2026-02-11
2025-09-30	$707,157	20,811	-70.0%	Shares	Sole	2025-11-12
2025-06-30	$2,851,661	69,468	+731.3%	Shares	Sole	2025-08-05
2024-09-30	$563,345	8,357	+8.0%	Shares	Sole	2024-11-08
2022-09-30	$591,880	7,737	+3192.3%	Shares	Sole	2022-11-04
2022-03-31	$26,832	235	-89.9%	Shares	Sole	2022-05-02
2021-12-31	$259,618	2,328	-54.8%	Shares	Sole	2022-02-23
2021-09-30	$516,900	5,152	0.0%	Shares	Sole	2021-10-28
2021-06-30	$458,373	5,152	+139.1%	Shares	Sole	2021-08-12
2021-03-31	$168,240	2,155	—	Shares	Sole	2021-04-26
No filing history on record for this holder in this stock.