DIAMOND HILL CAPITAL MANAGEMENT INC

Position in ILMN — Illumina, Inc.

CIK 1217541 COLUMBUS, OH

Position in ILMN

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$40,976,431

-$1,956,302 QoQ

Shares Held

332,439

+1.6% QoQ

Ownership

0.220%

of shares outstanding

% of Portfolio

0.26%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2025

5 quarters on record

Voting authority Sole 99.82703593742009.ToString("F0")% Shared 0.ToString("F0")% None 0.17296406257990188.ToString("F0")%

Healthcare · as of Mar 31, 2026

DIAMOND HILL CAPITAL MANAGEMENT INC holds $484,223,072 across 5 Diagnostics & Research names. ILMN ranks #3 (8.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LH	Labcorp Holdings Inc.	764,270	$203,914,878
2	TMO	Thermo Fisher Scientific Inc.	360,652	$177,271,277
3	ILMN	Illumina, Inc. This page	332,439	$40,976,431
4	RVTY	Revvity, Inc.	430,065	$37,677,994
5	ICLR	Icon PLC	220,337	$24,382,492

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.