BLAIR WILLIAM & CO/IL

Position in CBZ — CBIZ, Inc.

CIK 902367 CHICAGO, IL

Position in CBZ

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$4,421,496

-$3,113,514 QoQ

Shares Held

164,674

+10.3% QoQ

Ownership

0.299%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2023

11 quarters on record

Voting authority Sole 93% Shared 0% None 7%

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $433,455,051 across 11 Specialty Business Services names. CBZ ranks #6 (1.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CTAS	Cintas Corp	973,553	$164,666,754
2	CPRT	Copart Inc	4,070,990	$135,156,868
3	ULS	UL Solutions Inc.	725,672	$62,197,347
4	RBA	Rb Global Inc.	570,387	$54,671,593
5	UNF	Unifirst Corp	28,312	$7,123,016
6	CBZ	CBIZ, Inc. This page	164,674	$4,421,496
7	DLB	Dolby Laboratories, Inc.	30,708	$1,844,322
8	FA	First Advantage Corp	132,249	$1,555,248

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,421,496	164,674	+10.3%	Shares	Sole	2026-05-08
2025-12-31	$7,535,010	149,356	-57.7%	Shares	Sole	2026-02-17
2025-09-30	$18,679,627	352,712	-18.8%	Shares	Sole	2025-11-12
2025-06-30	$31,157,851	434,498	+1.6%	Shares	Sole	2025-07-24
2025-03-31	$32,438,115	427,605	+1.1%	Shares	Sole	2025-05-09
2024-12-31	$34,603,124	422,866	+4.2%	Shares	Sole	2025-02-12
2024-09-30	$27,309,108	405,842	+33.1%	Shares	Sole	2024-11-12
2024-06-30	$22,601,685	305,016	+134.3%	Shares	Sole	2024-08-12
2024-03-31	$10,219,993	130,191	+102.7%	Shares	Sole	2024-05-09
2023-12-31	$4,019,717	64,223	+9.6%	Shares	Sole	2024-02-12
2023-09-30	$3,042,170	58,616	—	Shares	Sole	2023-11-09
No filing history on record for this holder in this stock.