ILMN Institutional Ownership & Shareholders
ILLUMINA INC (ILMN) is currently held by 919 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $27.01B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
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 $5.64B, representing an estimated gain of +67.03% 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
919
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
92
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 | $5,636,321,679 | +$2,261,898,275 | +67.03% | |
| Capital World Investors | 0.32% | 15,425,298 | $2,712,230,480 | $4,530,255,770 | +$1,818,025,290 | +67.03% | |
| Vanguard Portfolio Management Llc | 0.05% | 6,627,157 | $1,165,253,015 | $1,946,329,739 | +$781,076,724 | +67.03% | |
| Vanguard Capital Management Llc | 0.02% | 6,587,534 | $1,158,286,103 | $1,934,692,860 | +$776,406,757 | +67.03% | |
| State Street Corp | 0.03% | 6,507,288 | $1,144,176,449 | $1,911,125,413 | +$766,948,964 | +67.03% | |
| Wcm Investment Management, Llc | 2.04% | 6,206,701 | $1,124,033,551 | $1,822,846,017 | +$698,812,466 | +62.17% | |
| Fmr Llc | 0.03% | 4,523,417 | $795,352,414 | $1,328,482,339 | +$533,129,925 | +67.03% | |
| Aqr Capital Management Llc | 0.22% | 3,544,465 | $623,223,145 | $1,040,973,926 | +$417,750,781 | +67.03% | |
| Primecap Management Co/Ca/ | 0.37% | 3,514,649 | $617,980,735 | $1,032,217,265 | +$414,236,530 | +67.03% | |
| Geode Capital Management, Llc | 0.03% | 2,946,669 | $516,720,645 | $865,407,219 | +$348,686,574 | +67.48% | |
| Corvex Management Lp | 15.47% | 2,830,552 | $497,695,958 | $831,304,817 | +$333,608,859 | +67.03% | |
| Invesco Ltd. | 0.03% | 1,994,241 | $350,647,369 | $585,688,639 | +$235,041,270 | +67.03% | |
| Loomis Sayles & Co L P | 0.43% | 1,931,948 | $339,694,497 | $567,393,808 | +$227,699,311 | +67.03% | |
| Wellington Management Group Llp | 0.05% | 1,812,928 | $318,767,131 | $532,438,824 | +$213,671,693 | +67.03% | |
| Massachusetts Financial Services Co | 0.10% | 1,744,209 | $308,478,035 | $512,256,741 | +$203,778,706 | +66.06% | |
| Bank Of New York Mellon Corp | 0.05% | 1,671,192 | $293,845,659 | $490,812,378 | +$196,966,719 | +67.03% | |
| Morgan Stanley | 0.02% | 1,654,664 | $290,939,963 | $485,958,270 | +$195,018,307 | +67.03% | |
| Janus Henderson Group Plc | 0.13% | 2,100,638 | $258,924,054 | $616,936,374 | +$358,012,320 | +138.27% | |
| Bank Of America Corp | 0.02% | 1,455,287 | $255,883,167 | $427,403,239 | +$171,520,072 | +67.03% | |
| Northern Trust Corp | 0.03% | 1,429,299 | $251,313,642 | $419,770,823 | +$168,457,181 | +67.03% | |
| Agf Management Ltd | 0.93% | 1,364,815 | $239,975,422 | $400,832,517 | +$160,857,095 | +67.03% | |
| Baillie Gifford & Co | 0.21% | 1,335,846 | $234,881,803 | $392,324,612 | +$157,442,809 | +67.03% | |
| Jpmorgan Chase & Co | 0.01% | 1,181,215 | $213,918,119 | $346,911,033 | +$132,992,914 | +62.17% | |
| Legal & General Group Plc | 0.04% | 1,173,286 | $206,298,879 | $344,582,365 | +$138,283,486 | +67.03% | |
| Ameriprise Financial Inc | 0.04% | 1,148,102 | $201,882,586 | $337,186,076 | +$135,303,490 | +67.02% | |
| Sessa Capital Im, L.P. | 3.40% | 1,118,374 | $196,643,700 | $328,455,260 | +$131,811,560 | +67.03% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.04% | 1,563,239 | $192,684,840 | $459,107,662 | +$266,422,822 | +138.27% | |
| ARK Invest | Cathie Wood | 1.19% | 1,045,010 | $183,744,158 | $306,908,987 | +$123,164,829 | +67.03% |
| Nordea Investment Management Ab | 0.15% | 1,013,065 | $177,914,475 | $297,527,060 | +$119,612,585 | +67.23% | |
| Senvest Management, Llc | 5.20% | 1,008,718 | $177,362,886 | $296,250,389 | +$118,887,503 | +67.03% | |
| Goldman Sachs Group Inc | 0.02% | 992,574 | $174,524,363 | $291,509,058 | +$116,984,695 | +67.03% | |
| Vanguard Fiduciary Trust Co | 0.04% | 951,296 | $167,266,376 | $279,386,122 | +$112,119,746 | +67.03% | |
| Sumitomo Mitsui Trust Group, Inc. | 0.10% | 950,071 | $167,050,984 | $279,026,352 | +$111,975,368 | +67.03% | |
| First Trust Advisors Lp | 0.09% | 907,489 | $159,563,763 | $266,520,444 | +$106,956,681 | +67.03% | |
| Pointstate Capital Lp | 2.67% | 862,210 | $151,602,384 | $253,222,455 | +$101,620,071 | +67.03% | |
| Jupiter Asset Management Ltd | 0.73% | 840,681 | $147,816,940 | $246,899,603 | +$99,082,663 | +67.03% | |
| Ubs Group Ag | 0.02% | 840,533 | $147,790,919 | $246,856,137 | +$99,065,218 | +67.03% | |
| Letko, Brosseau & Associates Inc | 2.16% | 830,293 | $145,990,418 | $243,848,751 | +$97,858,333 | +67.03% | |
| Norges Bank | 0.01% | 827,073 | $145,424,246 | $242,903,069 | +$97,478,823 | +67.03% | |
| Renaissance Technologies LLC | Jim Simons | 0.20% | 826,642 | $145,348,463 | $242,776,489 | +$97,428,026 | +67.03% |
| Edmond De Rothschild Holding S.A. | 1.71% | 738,165 | $129,791,552 | $216,791,679 | +$87,000,127 | +67.03% | |
| Guardcap Asset Management Ltd | 9.15% | 740,132 | $128,748,557 | $217,369,367 | +$88,620,810 | +68.83% | |
| Chevy Chase Trust Holdings, Llc | 0.33% | 727,705 | $127,952,370 | $213,719,681 | +$85,767,311 | +67.03% | |
| Thrivent Financial For Lutherans | 0.20% | 675,917 | $118,862,000 | $198,510,064 | +$79,648,064 | +67.01% | |
| Quantinno Capital Management Lp | 0.14% | 670,767 | $117,941,015 | $196,997,560 | +$79,056,545 | +67.03% | |
| Vaughan Nelson Investment Management, L.P. | 0.99% | 637,701 | $112,126,967 | $187,286,407 | +$75,159,440 | +67.03% | |
| Charles Schwab Investment Management Inc | 0.01% | 635,168 | $111,681,589 | $186,542,490 | +$74,860,901 | +67.03% | |
| Amova Asset Management Americas, Inc. | 1.40% | 617,972 | $108,658,017 | $181,492,197 | +$72,834,180 | +67.03% | |
| Alliancebernstein L.P. | 0.04% | 881,041 | $108,597,114 | $258,752,931 | +$150,155,817 | +138.27% | |
| Dimensional Fund Advisors Lp | 0.02% | 608,463 | $107,034,977 | $178,699,498 | +$71,664,521 | +66.95% |
Frequently asked questions about ILMN
Who are the largest institutional holders of ILMN?
The largest institutional holders of ILMN reported in the latest SEC Form 13F filings include Blackrock, Inc., Capital World Investors, Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, and State Street Corp. InsiderSet ranks institutional holders by their latest reported ILMN position.
What is ILMN institutional ownership?
This page tracks ILMN positions reported by institutional investment managers through SEC Form 13F. ILLUMINA INC (ILMN) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own ILMN?
InsiderSet currently tracks 919 institutional managers reporting ILMN holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of ILMN shareholders.
How much ILMN stock do institutions own?
Institutional investment managers disclosed approximately $27.01B in ILMN holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was ILMN institutional ownership last updated?
The latest ILMN institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional ILMN holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its ILMN position after the reporting date.
Are institutions buying or selling ILMN?
Institutional buying and selling can be analyzed by comparing ILMN positions across consecutive 13F reporting periods. InsiderSet's ILMN Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View ILMN ownership changes.
How has ILMN institutional ownership changed over time?
InsiderSet tracks ILMN institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.