ILLUMINA INC (ILMN) Institutional Ownership

ILMN is currently held by 4 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $260.14M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is ARK Invest, which reported ownership valued at approximately $139.22M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, ARK Invest's ILMN position is now estimated to be worth approximately $186.28M, representing an estimated gain of +33.81% since the filing period.

Major shareholders tracked on this page include ARK Invest, Renaissance Technologies LLC, Sequoia Financial Advisors, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks asset manager ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward ILLUMINA INC (ILMN).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20264$260,144,5882,416,689
Q4 20254$351,792,5713,055,950
Q3 20254$254,463,3553,069,617
Q2 20254$209,561,4522,729,851
Q1 20256$187,395,7643,250,757
Q4 20246$230,677,7662,221,033
Q3 20243$198,080,2921,518,904
Q2 20243$149,780,6201,434,955
Q1 20244$93,345,2301,436,525
Q4 20235$127,642,7291,300,028
Q3 20234$775,514,3616,078,714
Q2 20234$966,736,6265,585,774