FAIRFIELD, BUSH & CO.

Position in ILMN — Illumina, Inc.

CIK 1116247 DARIEN, CT

Position in ILMN

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$558,963

+$83,919 QoQ

Shares Held

3,179

-17.5% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.29%

of 13F equity value

Holder Rank

#542

of 932 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

FAIRFIELD, BUSH & CO. holds $4,240,593 across 4 Diagnostics & Research names. ILMN ranks #4 (13.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LH	Labcorp Holdings Inc.	7,724	$2,162,720
2	TMO	Thermo Fisher Scientific Inc.	1,799	$901,946
3	DHR	Danaher Corp /De/	3,239	$616,964
4	ILMN	Illumina, Inc. This page	3,179	$558,963

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$558,963	3,179	-17.5%	Shares	Sole	2026-08-13
2026-03-31	$475,044	3,854	-4.3%	Shares	Sole	2026-05-12
2025-12-31	$528,443	4,029	-15.7%	Shares	Sole	2026-02-13
2025-09-30	$453,861	4,779	-7.0%	Shares	Sole	2025-11-14
2025-06-30	$490,311	5,139	-30.2%	Shares	Sole	2025-08-15
2025-03-31	$583,863	7,359	-6.1%	Shares	Sole	2025-05-13
2024-12-31	$1,047,525	7,839	-2.5%	Shares	Sole	2025-02-13
2024-09-30	$1,048,105	8,037	+1.5%	Shares	Sole	2024-11-12
2024-06-30	$826,167	7,915	-2.0%	Shares	Sole	2024-08-15
2024-03-31	$1,108,859	8,075	+6.2%	Shares	Sole	2024-05-15
2023-12-31	$1,058,502	7,602	+4.5%	Shares	Sole	2024-02-13
2023-09-30	$998,300	7,272	-58.7%	Shares	Sole	2023-11-15
2023-06-30	$3,303,949	17,622	+18.2%	Shares	Sole	2023-08-15
2023-03-31	$3,467,786	14,912	+119.7%	Shares	Sole	2023-05-15
2022-12-31	$1,372,331	6,787	-6.9%	Shares	Sole	2023-02-14
2022-09-30	$1,390,286	7,287	+5.1%	Shares	Sole	2022-11-07
2022-06-30	$1,277,983	6,932	+9.3%	Shares	Sole	2022-08-09
2022-03-31	$2,215,545	6,341	0.0%	Shares	Sole	2022-05-12
2021-12-31	$2,412,369	6,341	-54.7%	Shares	Sole	2022-05-12
2021-09-30	$5,676,106	13,994	-1.2%	Shares	Sole	2021-11-08
2021-06-30	$6,704,912	14,169	+0.9%	Shares	Sole	2021-08-02
2021-03-31	$5,393,738	14,044	-9.0%	Shares	Sole	2021-05-14
2020-12-31	$5,713,170	15,441	-0.2%	Shares	Sole	2021-02-12
2020-09-30	$4,782,086	15,472	+1.7%	Shares	Sole	2020-11-18
2020-06-30	$5,632,282	15,208	-4.1%	Shares	Sole	2020-08-13
2020-03-31	$4,331,955	15,861	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.