Illumina Ownership | Who Owns Illumina?
Illumina Ownership Summary
Illumina is owned by 102.02% institutional investors, 0.21% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 12.54% of ILMN shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.51% of its assets in Illumina shares.
ILMN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Illumina | 102.02% | 0.21% | -2.22% |
| Sector | Healthcare Stocks | 246.48% | 12.12% | -158.60% |
| Industry | Diagnostics & Research Stocks | 87.40% | 9.69% | 2.92% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 19.19M | 12.54% | $3.37B |
| Blackrock | 18.07M | 11.37% | $1.89B |
| Capital world investors | 15.43M | 10.08% | $2.71B |
| Vanguard group | 14.36M | 9.20% | $1.88B |
| Vanguard capital management | 6.59M | 4.31% | $1.16B |
| State street | 6.51M | 4.25% | $1.14B |
| Wcm investment management | 6.21M | 4.06% | $1.12B |
| Fmr | 4.52M | 2.96% | $795.35M |
| Aqr capital management | 3.54M | 2.32% | $623.22M |
| Primecap management co/ca/ | 3.51M | 2.30% | $617.98M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Thunderbird partners llp | 88.82K | 19.20% | $11.87M |
| Corvex management lp | 2.83M | 15.20% | $497.70M |
| Guardcap asset management | 740.13K | 9.15% | $128.75M |
| Kids capital management | 58.00K | 8.01% | $10.20M |
| Eagle health investments lp | 187.41K | 5.46% | $32.95M |
| Senvest management | 1.01M | 5.20% | $177.36M |
| Beau ventures | 200.08K | 5.17% | $54.76M |
| Casdin capital | 530.00K | 4.66% | $93.19M |
| Spyglass capital management | 458.77K | 4.37% | $80.67M |
| Ion asset management | 394.00K | 4.11% | $37.42M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 18.07M | 0.04% | 4.26M |
| Fmr | 4.52M | 0.03% | 2.98M |
| Primecap management co/ca/ | 3.51M | 0.37% | 1.45M |
| Agf management | 1.36M | 0.93% | 1.36M |
| Ninety one uk | 1.36M | 0.82% | 1.36M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sessa capital im | 1.12M | 3.29% | -2.16M |
| Southpoint capital advisors lp | 400.00K | 1.60% | -1.70M |
| Nuveen asset management | 984.13K | 0.04% | -1.09M |
| Loomis sayles & co l p | 1.93M | 0.43% | -1.01M |
| Corvex management lp | 2.83M | 15.20% | -999.06K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Agf management | 1.36M | 0.93% | 1.36M | $239.98M |
| Norges bank | 827.07K | 0.01% | 827.07K | $145.42M |
| Sixth street partners management company | 635.17K | 0.01% | 635.17K | $111.68M |
| Artisan partners limited partnership | 167.69K | 0.05% | 167.69K | $29.49M |
| Hrt financial lp | 137.98K | 0.04% | 137.98K | $24.26M |
Sold Out
| Holder | Change |
|---|---|
| Kingdom financial group llc. | -1.00 |
| Abound wealth management | -1.00 |
| West branch capital | -1.00 |
| Hm payson | -1.00 |
| Kohmann bosshard financial services | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 956 | 9.01% | 156,087,952 | -0.19% | 102 | 0.98% | 458 | 18.04% | 330 | 3.13% |
| Mar 31, 2026 | 616 | -31.02% | 96,466,028 | -39.00% | 63 | 0.61% | 268 | -43.46% | 217 | -20.22% |
| Dec 31, 2025 | 667 | -17.65% | 118,376,620 | -24.68% | 75 | 0.77% | 350 | -7.65% | 200 | -27.27% |
| Sep 30, 2025 | 769 | 0.79% | 154,998,047 | 3.40% | 98 | 1.09% | 356 | -11.44% | 266 | 18.22% |
| Jun 30, 2025 | 759 | 0.53% | 154,779,844 | -0.01% | 97 | 1.03% | 406 | 17.00% | 222 | -20.14% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 5.30M | 3.51% | 2.24K |
| Vanguard US Total Market Shares ETF | 5.04M | 3.19% | 3.78K |
| Vanguard MStar Total Stk Mkt Idx Invest | 4.57M | 3.02% | -10.17K |
| Vanguard Morn Total Stk Mkt Idx Investor | 4.56M | 3.02% | -58.41K |
| Vanguard Total Stock Mkt Idx Inv | 4.56M | 3.00% | -58.41K |
| Vanguard 500 Index Investor | 3.97M | 2.63% | 3.97M |
| American Funds Growth Fund of Amer A | 3.46M | 2.28% | -2.75M |
| Vanguard Small Cap Index | 3.40M | 2.25% | 90.85K |
| Edgewood Growth Instl | 3.51M | 2.21% | -150.34K |
| Invesco QQQ Trust | 3.16M | 1.99% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 03, 2026 | Meister Keith A. | - | Sell | $1.82M |
| Sep 03, 2026 | Meister Keith A. | - | Sell | $2.87M |
| Sep 02, 2026 | Meister Keith A. | - | Sell | $12.26M |
| Sep 02, 2026 | Meister Keith A. | - | Sell | $2.27M |
| Sep 03, 2026 | Meister Keith A. | - | Sell | $3.08M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | - |
| 2026 Q3 | - | 69 |
| 2026 Q2 | - | 39 |
| 2026 Q1 | 1 | 2 |
| 2025 Q4 | 1 | 2 |
ILMN Ownership FAQ
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