Illumina, Inc. (ILMN) Institutional Ownership

Institutions by Trading Activity

156,000,000Shares Outstanding

159,123,860Shares held by institutions

$21,001,167,043Value of institutional holdings

102.00%Institutional ownership %

0.52%Shares Changed QoQ

834No. of institutional investors

Illumina, Inc. (NASDAQ:ILMN) has 832 institutional investors with active 13F positions as of 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% from the prior quarter, while the number of investors in Illumina decreased 1.3% year over year.
Activity in ILMN broke down as 455 buyers, 272 sellers, and 105 unchanged among 832 total holders.
Combined, these investors held 158.54Mn shares in ILMN for December 2025, up by 732.48K shares quarter on quarter, and down 3.66Mn shares year over year.
As of December 31, 2025, the biggest holder of Illumina is Bangor Savings Bank at 65 shares, representing 0.0% of shares outstanding.
The biggest sellers of Illumina for the quarter ending December 2025 included MJT & Associates Financial Advisory Group, Inc. (43), Bangor Savings Bank (14).
According to Business Quant data, leading holders of ILMN for December 2025 are Bangor Savings Bank (65), MJT & Associates Financial Advisory Group, Inc. (25), Ares Financial Consulting, LLC (14).

159,123,860 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Capital World Investors	31 Dec, 2025	20,101,173	124,323	0.62%	$2,636,483,169.00
BlackRock, Inc.	31 Dec, 2025	18,321,677	-364,907	-1.95%	$2,403,071,143.00
VANGUARD GROUP INC	31 Dec, 2025	14,355,380	-272,500	-1.86%	$1,882,851,641.00
State Street Corp	31 Dec, 2025	6,190,114	190,324	3.17%	$811,895,352.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	4,426,126	1,028,099	30.26%	$580,530,638.00
LOOMIS SAYLES & CO L P	31 Dec, 2025	4,171,720	-115,708	-2.70%	$547,162,803.00
WCM INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	4,071,325	-110,356	-2.64%	$540,468,394.00
Corvex Management LP	31 Dec, 2025	3,829,608	0	0.00%	$502,291,385.00
Sessa Capital IM, L.P.	31 Dec, 2025	3,404,059	-1,282,720	-27.37%	$446,476,378.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,869,047	130,139	4.75%	$375,260,358.00
Invesco Ltd.	31 Dec, 2025	2,747,986	1,352,731	96.95%	$360,425,824.00
Morgan Stanley	31 Dec, 2025	2,529,045	1,005,474	65.99%	$331,709,792.00
Janus Henderson Group Plc	31 Dec, 2025	2,071,544	41,747	2.06%	$271,702,970.00
PRIMECAP MANAGEMENT CO/CA/	31 Dec, 2025	1,989,679	104,400	5.54%	$260,966,299.00
Bank Of America Corp /De/	31 Dec, 2025	1,842,348	-1,943,258	-51.33%	$241,642,364.00
Southpoint Capital Advisors LP	31 Dec, 2025	1,750,464	250,464	16.70%	$229,590,858.00
FMR LLC	31 Dec, 2025	1,694,354	123,631	7.87%	$222,231,446.00
Swedbank AB	31 Dec, 2025	1,652,372	826,881	100.17%	$216,725,114.00
BAILLIE GIFFORD & CO	31 Dec, 2025	1,626,776	-59,916	-3.55%	$213,367,940.00
Bank of New York Mellon Corp	31 Dec, 2025	1,623,435	-57,611	-3.43%	$212,929,701.00

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