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 $27.01B 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. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $4.39B, representing an estimated gain of +30.20% since the filing period.
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, Vanguard Portfolio Management Llc, 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
917
Total Reported Value
$27.01B
Largest Holder
Blackrock, Inc.
Largest Position
$3.37B
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
90
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 | $4,393,486,744 | +$1,019,063,340 | +30.20% | |
| Capital World Investors | 0.32% | 15,425,298 | $2,712,230,480 | $3,531,313,471 | +$819,082,991 | +30.20% | |
| Vanguard Portfolio Management Llc | 0.05% | 6,627,157 | $1,165,253,015 | $1,517,155,052 | +$351,902,037 | +30.20% | |
| Vanguard Capital Management Llc | 0.02% | 6,587,534 | $1,158,286,103 | $1,508,084,159 | +$349,798,056 | +30.20% | |
| State Street Corp | 0.03% | 6,507,288 | $1,144,176,449 | $1,489,713,442 | +$345,536,993 | +30.20% | |
| Wcm Investment Management, Llc | 2.04% | 6,206,701 | $1,124,033,551 | $1,420,900,060 | +$296,866,509 | +26.41% | |
| Fmr Llc | 0.03% | 4,523,417 | $795,352,414 | $1,035,545,854 | +$240,193,440 | +30.20% | |
| Aqr Capital Management Llc | 0.22% | 3,544,465 | $623,223,145 | $811,434,372 | +$188,211,227 | +30.20% | |
| Primecap Management Co/Ca/ | 0.37% | 3,514,649 | $617,980,735 | $804,608,596 | +$186,627,861 | +30.20% | |
| Geode Capital Management, Llc | 0.03% | 2,946,669 | $516,720,645 | $674,580,934 | +$157,860,289 | +30.55% | |
| Corvex Management Lp | 15.47% | 2,830,552 | $497,695,958 | $647,998,269 | +$150,302,311 | +30.20% | |
| Invesco Ltd. | 0.03% | 1,994,241 | $350,647,369 | $456,541,592 | +$105,894,223 | +30.20% | |
| Loomis Sayles & Co L P | 0.43% | 1,931,948 | $339,694,497 | $442,280,856 | +$102,586,359 | +30.20% | |
| Wellington Management Group Llp | 0.05% | 1,812,928 | $318,767,131 | $415,033,607 | +$96,266,476 | +30.20% | |
| Massachusetts Financial Services Co | 0.10% | 1,744,209 | $308,478,035 | $399,301,766 | +$90,823,731 | +29.44% | |
| Bank Of New York Mellon Corp | 0.05% | 1,671,192 | $293,845,659 | $382,585,985 | +$88,740,326 | +30.20% | |
| Morgan Stanley | 0.02% | 1,654,664 | $290,939,963 | $378,802,230 | +$87,862,267 | +30.20% | |
| Janus Henderson Group Plc | 0.13% | 2,100,638 | $258,924,054 | $480,899,057 | +$221,975,003 | +85.73% | |
| Bank Of America Corp | 0.02% | 1,455,287 | $255,883,167 | $333,158,853 | +$77,275,686 | +30.20% | |
| Northern Trust Corp | 0.03% | 1,429,299 | $251,313,642 | $327,209,420 | +$75,895,778 | +30.20% | |
| Agf Management Ltd | 0.93% | 1,364,815 | $239,975,422 | $312,447,098 | +$72,471,676 | +30.20% | |
| Baillie Gifford & Co | 0.21% | 1,335,846 | $234,881,803 | $305,815,225 | +$70,933,422 | +30.20% | |
| Jpmorgan Chase & Co | 0.01% | 1,181,215 | $213,918,119 | $270,415,550 | +$56,497,431 | +26.41% | |
| Legal & General Group Plc | 0.04% | 1,173,286 | $206,298,879 | $268,600,364 | +$62,301,485 | +30.20% | |
| Ameriprise Financial Inc | 0.04% | 1,148,102 | $201,882,586 | $262,834,991 | +$60,952,405 | +30.19% | |
| Sessa Capital Im, L.P. | 3.40% | 1,118,374 | $196,643,700 | $256,029,360 | +$59,385,660 | +30.20% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.04% | 1,563,239 | $192,684,840 | $357,872,304 | +$165,187,464 | +85.73% | |
| ARK Invest | Cathie Wood | 1.19% | 1,045,010 | $183,744,158 | $239,234,139 | +$55,489,981 | +30.20% |
| Nordea Investment Management Ab | 0.15% | 1,013,065 | $177,914,475 | $231,920,970 | +$54,006,495 | +30.36% | |
| Senvest Management, Llc | 5.20% | 1,008,718 | $177,362,886 | $230,925,812 | +$53,562,926 | +30.20% | |
| Goldman Sachs Group Inc | 0.02% | 992,574 | $174,524,363 | $227,229,966 | +$52,705,603 | +30.20% | |
| Vanguard Fiduciary Trust Co | 0.04% | 951,296 | $167,266,376 | $217,780,193 | +$50,513,817 | +30.20% | |
| Sumitomo Mitsui Trust Group, Inc. | 0.10% | 950,071 | $167,050,984 | $217,499,754 | +$50,448,770 | +30.20% | |
| First Trust Advisors Lp | 0.09% | 907,489 | $159,563,763 | $207,751,457 | +$48,187,694 | +30.20% | |
| Pointstate Capital Lp | 2.67% | 862,210 | $151,602,384 | $197,385,735 | +$45,783,351 | +30.20% | |
| Jupiter Asset Management Ltd | 0.73% | 840,681 | $147,816,940 | $192,457,101 | +$44,640,161 | +30.20% | |
| Ubs Group Ag | 0.02% | 840,533 | $147,790,919 | $192,423,220 | +$44,632,301 | +30.20% | |
| Letko, Brosseau & Associates Inc | 2.16% | 830,293 | $145,990,418 | $190,078,976 | +$44,088,558 | +30.20% | |
| Norges Bank | 0.01% | 827,073 | $145,424,246 | $189,341,822 | +$43,917,576 | +30.20% | |
| Renaissance Technologies LLC | Jim Simons | 0.20% | 826,642 | $145,348,463 | $189,243,153 | +$43,894,690 | +30.20% |
| Edmond De Rothschild Holding S.A. | 1.71% | 738,165 | $129,791,552 | $168,988,113 | +$39,196,561 | +30.20% | |
| Guardcap Asset Management Ltd | 9.15% | 740,132 | $128,748,557 | $169,438,419 | +$40,689,862 | +31.60% | |
| Chevy Chase Trust Holdings, Llc | 0.33% | 727,705 | $127,952,370 | $166,593,506 | +$38,641,136 | +30.20% | |
| Thrivent Financial For Lutherans | 0.20% | 675,917 | $118,862,000 | $154,737,679 | +$35,875,679 | +30.18% | |
| Quantinno Capital Management Lp | 0.14% | 670,767 | $117,941,015 | $153,558,689 | +$35,617,674 | +30.20% | |
| Vaughan Nelson Investment Management, L.P. | 0.99% | 637,701 | $112,126,967 | $145,988,890 | +$33,861,923 | +30.20% | |
| Charles Schwab Investment Management Inc | 0.01% | 635,168 | $111,681,589 | $145,409,010 | +$33,727,421 | +30.20% | |
| Amova Asset Management Americas, Inc. | 1.40% | 617,972 | $108,658,017 | $141,472,330 | +$32,814,313 | +30.20% | |
| Alliancebernstein L.P. | 0.04% | 881,041 | $108,597,114 | $201,696,716 | +$93,099,602 | +85.73% | |
| Dimensional Fund Advisors Lp | 0.02% | 608,463 | $107,034,977 | $139,295,435 | +$32,260,458 | +30.14% |
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.