Magnetar Financial LLC

Position in DLB — Dolby Laboratories, Inc.

CIK 1352851 EVANSTON, IL

Position in DLB

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$2,504,963

+$934,876 QoQ

Shares Held

47,641

+82.2% QoQ

Ownership

0.051%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#99

of 391 holders

Holding Since

Jun 2021

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Magnetar Financial LLC holds $51,427,658 across 5 Specialty Business Services names. DLB ranks #2 (4.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	UNF	Unifirst Corp	174,619	$46,179,740
2	DLB	Dolby Laboratories, Inc. This page	47,641	$2,504,963
3	CPRT	Copart Inc	61,694	$1,739,153
4	ARMK	Aramark	12,003	$682,970
5	RTO	Rentokil Initial PLC /Fi	11,214	$320,832

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,504,963	47,641	+82.2%	Shares	Sole	2026-08-14
2026-03-31	$1,570,087	26,142	+93.6%	Shares	Sole	2026-05-13
2025-12-31	$867,226	13,504	+257.7%	Shares	Sole	2026-02-17
2025-06-30	$280,331	3,775	-81.7%	Shares	Sole	2025-08-12
2025-03-31	$1,660,971	20,682	+456.9%	Shares	Sole	2025-05-15
2024-12-31	$290,063	3,714	-40.5%	Shares	Sole	2025-02-11
2023-06-30	$522,665	6,246	-8.6%	Shares	Sole	2023-08-11
2023-03-31	$583,931	6,836	-63.2%	Shares	Sole	2023-05-15
2022-12-31	$1,310,421	18,577	-12.2%	Shares	Sole	2023-02-14
2022-09-30	$1,378,508	21,159	+156.8%	Shares	Sole	2022-11-14
2021-06-30	$810,007	8,241	—	Shares	Sole	2021-08-06
No filing history on record for this holder in this stock.