Campbell & CO Investment Adviser LLC

Position in DLB — Dolby Laboratories, Inc.

CIK 1353570 BALTIMORE, MD

Position in DLB

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$821,320

-$800,170 QoQ

Shares Held

13,675

-45.8% QoQ

Ownership

0.014%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2021

14 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Industrials · as of Mar 31, 2026

Campbell & CO Investment Adviser LLC holds $12,726,958 across 10 Specialty Business Services names. DLB ranks #5 (6.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CTAS	Cintas Corp	18,643	$3,153,277
2	TRI	Thomson Reuters Corp /Can/	34,273	$3,083,884
3	CPRT	Copart Inc	56,566	$1,877,991
4	CBZ	CBIZ, Inc.	43,558	$1,169,532
5	DLB	Dolby Laboratories, Inc. This page	13,675	$821,320
6	FA	First Advantage Corp	57,291	$673,742
7	RELX	Relx PLC	18,650	$618,247
8	AZZ	Azz Inc	4,543	$568,465

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$821,320	13,675	-45.8%	Shares	Sole	2026-05-15
2025-12-31	$1,621,490	25,249	+46.2%	Shares	Sole	2026-02-12
2025-06-30	$1,282,841	17,275	+193.2%	Shares	Sole	2025-08-07
2025-03-31	$473,106	5,891	-84.4%	Shares	Sole	2025-05-14
2024-12-31	$2,944,213	37,698	+45.2%	Shares	Sole	2025-02-10
2024-09-30	$1,987,101	25,965	-24.0%	Shares	Sole	2024-11-12
2024-06-30	$2,707,130	34,168	+304.4%	Shares	Sole	2024-08-13
2024-03-31	$707,856	8,450	+202.2%	Shares	Sole	2024-05-10
2023-12-31	$240,959	2,796	-77.2%	Shares	Sole	2024-02-13
2023-06-30	$1,024,577	12,244	+11.3%	Shares	Sole	2023-08-11
2023-03-31	$939,790	11,002	+127.6%	Shares	Sole	2023-05-11
2022-12-31	$340,919	4,833	-21.5%	Shares	Sole	2023-02-14
2022-09-30	$401,063	6,156	-21.4%	Shares	Sole	2022-11-14
2021-09-30	$689,216	7,832	—	Shares	Sole	2021-11-10
No filing history on record for this holder in this stock.