Illumina, Inc. (ILMN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

5,337,198Shares held by institutions

$645,053,750Value of institutional holdings

99.47%Institutional ownership %

2.81%Shares Changed QoQ

736No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Illumina, Inc. (NASDAQ:ILMN) has 832 institutional investors that have filed 13F reports for the period ending December 2025.

These investors held 101.6% of outstanding shares in December 2025, down from 104.1% in September 2025.
Their total shares held in ILMN increased 0.46% quarter over quarter, and separately, investors owning Illumina decreased 1.3% from a year ago.
Of these 832 holders, 455 added to their stakes in Illumina, 272 trimmed positions, and 105 made no changes.
The aggregate institutional position in Illumina amounted to 158.54Mn shares as of December 2025, up by 732.48K shares quarter on quarter, and down 3.66Mn shares year over year.
Capital World Investors leads ownership in ILMN with 20.1Mn shares as of December 31, 2025, equal to 12.89% of outstanding shares.
The biggest buyers of Illumina for the quarter ending December 2025 included Invesco Ltd. (1.35Mn), AQR CAPITAL MANAGEMENT LLC (1.03Mn), Morgan Stanley (1.01Mn), NORDEA INVESTMENT MANAGEMENT AB (911.84K), Swedbank AB (826.88K).
The biggest sellers of Illumina for the quarter ending December 2025 included Bank Of America Corp /De/ (1.94Mn), Sessa Capital IM, L.P. (1.28Mn), PointState Capital LP (1.27Mn), Jpmorgan Chase & Co (890.24K), JACOBS LEVY EQUITY MANAGEMENT, INC (697.32K).
Business Quant data shows the 10 biggest positions in Illumina as of December 2025 are held by Capital World Investors (20.1Mn), BlackRock, Inc. (18.32Mn), VANGUARD GROUP INC (14.36Mn), State Street Corp (6.19Mn), AQR CAPITAL MANAGEMENT LLC (4.43Mn), LOOMIS SAYLES & CO L P (4.17Mn), WCM INVESTMENT MANAGEMENT, LLC (4.07Mn), Corvex Management LP (3.83Mn), Sessa Capital IM, L.P. (3.4Mn), GEODE CAPITAL MANAGEMENT, LLC (2.87Mn).

833 Institutional Holders

5,337,198 Total Shares Held

Rows:

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Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-364,907	-1.95%	$0.00
Capital World Investors	31 Dec, 2025	124,323	0.62%	$0.00
GUARDCAP ASSET MANAGEMENT Ltd	31 Dec, 2025	-275,161	-14.86%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	106,350	78.12%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-272,500	-1.86%	$0.00
ARK Investment Management LLC	31 Dec, 2025	72,472	4.94%	$0.00
Barclays Plc	31 Dec, 2025	-288,053	-59.11%	$0.00
State Street Corp	31 Dec, 2025	190,324	3.17%	$0.00
UBS Group AG	31 Dec, 2025	27,347	1.83%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	-157,619	-61.49%	$0.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,028,099	30.26%	$0.00
EDMOND DE ROTHSCHILD HOLDING S.A.	31 Dec, 2025	-153,329	-13.06%	$0.00
Osbon Capital Management LLC	31 Dec, 2025	46	0.00%	$0.00
LOOMIS SAYLES & CO L P	31 Dec, 2025	-115,708	-2.70%	$0.00
Patient Capital Management, LLC	31 Dec, 2025	-5,591	-0.96%	$0.00
WCM INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	-110,356	-2.64%	$0.00
Quantinno Capital Management LP	31 Dec, 2025	110,785	27.01%	$0.00
Corvex Management LP	31 Dec, 2025	0	0.00%	$0.00
Pacer Advisors, Inc.	31 Dec, 2025	-185,657	-28.59%	$0.00
Sessa Capital IM, L.P.	31 Dec, 2025	-1,282,720	-27.37%	$0.00

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