Illumina Inc (ILMN)
Healthcare
Diagnostics & Research
205.10 $
+0.0%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Illumina Inc (ILMN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.6% of the shares are freely tradable; institutional investors hold 106.5%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
106.5%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
0.2%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
97.6%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
9.5%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
151Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.57 | 19,023,590 | +3.8 | 03/31/2026 |
| Capital World Investors | 10.28 | 15,549,960 | -22.6 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.51 | 6,823,654 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.36 | 6,594,836 | +0.0 | 03/31/2026 |
| State Street Corp | 4.25 | 6,429,344 | +3.9 | 03/31/2026 |
| WCM Investment Management | 3.91 | 5,923,173 | +45.5 | 03/31/2026 |
| AQR Capital Management LLC | 2.63 | 3,981,080 | -10.1 | 03/31/2026 |
| Corvex Management LP | 2.53 | 3,829,608 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.43 | 5,196,624 | +0.0 | 07/30/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.02 | 4,564,130 | -1.3 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.