ILLUMINA INC (ILMN) Institutional Shareholders
ILLUMINA INC (ILMN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $21.37B in ILMN holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of ILMN tracked by InsiderSet, reporting ownership valued at approximately $3.37B in its June 30, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 49% of the total disclosed ILMN value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Capital World Investors, State Street Corp, and several other long-term asset managers with concentrated positions in ILLUMINA INC (ILMN).
This page ranks the largest institutional ILMN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
880
Total Reported Value
$21.37B
Largest Holder
Blackrock, Inc.
Largest Position
$3.37B
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
56
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.05% | 19,191,398 | $3,374,423,404 | — | — | — | |
| Capital World Investors | 0.26% | 15,549,960 | $1,916,663,417 | — | — | — | |
| State Street Corp | 0.03% | 6,507,288 | $1,144,176,449 | — | — | — | |
| Vanguard Portfolio Management Llc | 0.04% | 6,823,654 | $841,083,592 | — | — | — | |
| Vanguard Capital Management Llc | 0.02% | 6,594,836 | $812,879,485 | — | — | — | |
| Wcm Investment Management, Llc | 1.63% | 5,923,173 | $715,578,530 | — | — | — | |
| Aqr Capital Management Llc | 0.22% | 3,981,080 | $490,707,847 | — | — | — | |
| Corvex Management Lp | 18.77% | 3,829,608 | $472,037,482 | — | — | — | |
| Sessa Capital Im, L.P. | 7.68% | 3,275,849 | $403,781,148 | — | — | — | |
| Geode Capital Management, Llc | 0.02% | 3,051,279 | $375,144,886 | — | — | — | |
| Loomis Sayles & Co L P | 0.49% | 2,942,977 | $362,751,403 | — | — | — | |
| Invesco Ltd. | 0.05% | 2,657,602 | $327,576,008 | — | — | — | |
| Massachusetts Financial Services Co | 0.10% | 1,744,209 | $308,478,035 | — | — | — | |
| Storebrand Asset Management As | 0.10% | 977,632 | $301,364,087 | — | — | — | |
| Bank Of New York Mellon Corp | 0.05% | 1,671,192 | $293,845,659 | — | — | — | |
| Janus Henderson Group Plc | 0.13% | 2,100,638 | $258,924,054 | — | — | — | |
| Southpoint Capital Advisors Lp | 5.33% | 2,100,000 | $258,846,000 | — | — | — | |
| Primecap Management Co/Ca/ | 0.20% | 2,067,299 | $254,815,276 | — | — | — | |
| Baillie Gifford & Co | 0.21% | 1,335,846 | $234,881,803 | — | — | — | |
| Morgan Stanley | 0.01% | 1,843,612 | $227,243,884 | — | — | — | |
| Northern Trust Corp | 0.03% | 1,578,358 | $194,548,408 | — | — | — | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.04% | 1,563,239 | $192,684,840 | — | — | — | |
| Fmr Llc | 0.01% | 1,546,861 | $190,666,085 | — | — | — | |
| Senvest Management, Llc | 6.33% | 1,544,567 | $190,383,328 | — | — | — | |
| Bank Of America Corp | 0.01% | 1,516,629 | $186,939,681 | — | — | — | |
| Nordea Investment Management Ab | 0.15% | 1,013,065 | $177,914,475 | — | — | — | |
| Sumitomo Mitsui Trust Group, Inc. | 0.10% | 950,071 | $167,050,984 | — | — | — | |
| Ubs Group Ag | 0.03% | 1,162,435 | $143,281,738 | — | — | — | |
| Alliancebernstein L.P. | 0.05% | 1,091,559 | $143,168,878 | — | — | — | |
| Ameriprise Financial Inc | 0.03% | 1,155,973 | $142,485,524 | — | — | — | |
| Legal & General Group Plc | 0.03% | 1,149,713 | $141,713,620 | — | — | — | |
| ARK Invest | Cathie Wood | 1.08% | 1,129,459 | $139,217,163 | — | — | — |
| Jupiter Asset Management Ltd | 0.72% | 1,087,790 | $134,080,996 | — | — | — | |
| Guardcap Asset Management Ltd | 9.15% | 740,132 | $128,748,557 | — | — | — | |
| Renaissance Technologies LLC | Jim Simons | 0.19% | 972,642 | $119,887,853 | — | — | — |
| Vanguard Fiduciary Trust Co | 0.03% | 944,161 | $116,377,285 | — | — | — | |
| Vaughan Nelson Investment Management, L.P. | 0.99% | 637,701 | $112,126,967 | — | — | — | |
| Letko, Brosseau & Associates Inc | 1.69% | 852,903 | $105,128,824 | — | — | — | |
| Federated Hermes, Inc. | 0.16% | 816,943 | $100,696,394 | — | — | — | |
| Edmond De Rothschild Holding S.A. | 1.37% | 767,379 | $94,587,136 | — | — | — | |
| Stephens Investment Management Group Llc | 1.01% | 537,926 | $94,583,529 | — | — | — | |
| Goldman Sachs Group Inc | 0.01% | 755,079 | $93,070,969 | — | — | — | |
| First Trust Advisors Lp | 0.06% | 734,621 | $90,549,419 | — | — | — | |
| Amova Asset Management Americas, Inc. | 1.26% | 721,532 | $88,863,881 | — | — | — | |
| Citigroup Inc | 0.04% | 465,311 | $81,815,668 | — | — | — | |
| Charles Schwab Investment Management Inc | 0.01% | 645,737 | $79,593,543 | — | — | — | |
| Wellington Management Group Llp | 0.01% | 624,924 | $77,028,133 | — | — | — | |
| Quantinno Capital Management Lp | 0.13% | 617,543 | $76,118,359 | — | — | — | |
| Rhumbline Advisers | 0.06% | 609,802 | $75,164,143 | — | — | — | |
| Ilex Capital Partners (Uk) Llp | 1.84% | 605,343 | $74,614,578 | — | — | — |
Frequently asked questions about ILMN
Who owns the most ILMN stock?
The largest holders of ILMN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ILLUMINA INC (ILMN).
Is ILMN widely held by superinvestors?
Many widely followed stocks like ILMN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ILMN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.