DIAMOND HILL CAPITAL MANAGEMENT INC

Position in ILMN — Illumina, Inc.

CIK 1217541 COLUMBUS, OH

Position in ILMN

as of Jun 30, 2026 · filed Aug 6, 2026 Compact

Position Value

$53,037,712

+$12,061,281 QoQ

Shares Held

301,642

-9.3% QoQ

Ownership

0.200%

of shares outstanding

% of Portfolio

0.43%

of 13F equity value

Holder Rank

#86

of 932 holders

Holding Since

Mar 2025

6 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

DIAMOND HILL CAPITAL MANAGEMENT INC holds $424,557,576 across 5 Diagnostics & Research names. ILMN ranks #3 (12.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LH	Labcorp Holdings Inc.	600,792	$168,221,760
2	TMO	Thermo Fisher Scientific Inc.	252,559	$126,622,980
3	ILMN	Illumina, Inc. This page	301,642	$53,037,712
4	RVTY	Revvity, Inc.	385,296	$42,868,032
5	ICLR	Icon PLC	194,618	$33,807,092

6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$53,037,712	301,642	-9.3%	Shares	Sole	2026-08-06
2026-03-31	$40,976,431	332,439	+1.6%	Shares	Sole	2026-05-07
2025-12-31	$42,932,733	327,331	-4.6%	Shares	Sole	2026-02-06
2025-09-30	$32,570,626	342,957	-9.7%	Shares	Sole	2025-11-05
2025-06-30	$36,234,905	379,781	+15.4%	Shares	Sole	2025-08-12
2025-03-31	$26,100,717	328,973	—	Shares	Sole	2025-05-06
No filing history on record for this holder in this stock.